Lock pin opening type valve structure

Abstract

The utility model relates to the technical field of dust raising experiments, and discloses a lock pin opening type valve structure which comprises a testing machine, a testing box body and a connecting pipe fixedly installed at the top of the testing machine, a fixing seat is fixedly installed at the top of the connecting pipe, a first flange is fixedly installed at the top of the fixing seat, and a plurality of threaded sleeves are fixedly installed at the top of the first flange. According to the lock pin opening type valve structure, through the design of a spring, when a connecting valve needs to be limited, a fixing block can move up and down by pulling a pull ring, then when a middle clamping hole is located in the top of a lock pin column, the spring can deform to drive the lock pin column to move, and the lock pin column can be clamped into the clamping hole; through the design of the lock pin column, the connecting valve can be fixed, through the design of the moving rod, when the lock pin column moves up and down, the moving rod can move up and down in the sliding groove, the moving rod can make contact with the switch key, and when the connecting valve is opened, the control switch is triggered at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of dust-raising experiments, in particular to a lock pin opening type valve structure. Background Art

[0002] Dust testers are usually used to evaluate the amount of dust generated by materials or products during handling, transportation or processing. Dust testers often use valves at the feed pipe to open and close the feed pipe to ensure a sealed environment inside, which can better simulate the scene during the dust experiment.

[0003] In the prior art, although the valve can open and close the dust test machine, the valve can only be opened manually. Not only is it inconvenient to trigger the control switch at the same time to open and close the entire device during the process of opening the valve, but the prior art is also inconvenient to achieve automatic resetting of the valve, and the staff needs to manually reset it, resulting in more work steps and poor practicality. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a lock pin opening type valve structure, which can effectively solve the problems in the prior art that it is not convenient to trigger the control switch at the same time to open and close the overall device during the process of opening the valve, and it is not convenient to realize automatic resetting of the valve, and the staff needs to manually reset the valve, resulting in more working steps and poor practicality.

[0005] The technical solution adopted by the utility model is: a lock pin opening type valve structure, including a testing machine, a testing box body and a connecting pipe fixedly installed on the top of the testing machine, a fixing seat fixedly installed on the top of the connecting pipe, a flange 1 fixedly installed on the top of the fixing seat, a plurality of threaded sleeves fixedly installed on the top of the flange 1, a flange 2 fixedly installed on the top of the threaded sleeve, connecting bolts are provided through the flange 1 and the flange 2, a mounting seat is fixedly installed on the top of the flange 2, a funnel is fixedly installed on the top of the mounting seat, a groove is provided on the inner side of the flange 1, a connecting valve is provided on the top of the flange 1, and the top of the flange 1 A fixing column is fixedly installed on the top, a connecting hole is opened on the inner side of the connecting valve, a clamping hole is opened on the bottom of the connecting valve, a fixing plate is fixedly installed on the top of the flange, a mounting frame is fixedly installed on the bottom of the flange, a movable groove is opened on one side of the mounting frame, a positioning bolt is arranged on the inner side of the movable groove, a locking pin assembly is fixedly installed on the bottom of the flange, a control switch is fixedly installed on the other side of the mounting frame, the mounting frame is in an "L"-shaped structure, the positioning bolt passes through the mounting frame and extends to the interior of the control switch, the positioning bolt is adapted to the movable groove, and a switch key is fixedly installed on the top of the control switch.

[0006] Preferably, the locking pin assembly includes a fixed sleeve, a fixed block is provided on the inner side of the fixed sleeve, a spring is fixedly installed on the bottom of the fixed block, a locking pin column is fixedly installed inside the fixed block, a pull ring is fixedly installed on the bottom of the locking pin column, the other end of the spring is fixedly installed on the fixed sleeve, the locking pin column is the same size as the card hole, a moving rod is fixedly installed on one side of the locking pin column, a sliding groove is provided on the side of the fixed sleeve close to the moving rod, and the moving rod is located at the top of the switch key.

[0007] Through the above technical scheme, through the design of the spring, when it is necessary to limit the connecting valve, the pull ring can be pulled to make the fixed block move up and down, and then when the clamping hole is located at the top of the locking pin column, the spring can be deformed to drive the locking pin column to move, so that the locking pin column can be clamped into the clamping hole, and the connecting valve can be fixed. Through the design of the moving rod, when the locking pin column moves up and down, the moving rod can move up and down in the sliding groove, and the moving rod can contact the switch key. When the connecting valve is opened, the control switch is triggered at the same time. Through the design of the mounting frame, the other end of the mounting frame can be fixedly installed with flange 1, and with the positioning bolt, the control switch can be moved to a suitable position and then fixed with the positioning bolt. The design of the moving groove can adjust the height of the control switch to facilitate the matching of the moving rod.

[0008] Preferably, a tension spring is provided on the outer side of the fixing plate, the other end of the tension spring is fixedly mounted to the connecting valve, and two identical tension springs are provided.

[0009] Through the above technical solution and the design of the tension spring, when the limit of the connecting valve is cancelled, the tension spring can be reset, and the connecting valve can be driven to return to the open state, thereby achieving automatic reset.

[0010] Preferably, the connecting valve is rotatably mounted with the flange via a fixing column and a connecting hole, and the connecting valve is located at the top of the groove.

[0011] Through the above technical solution, through the design of the fixing column and the connecting hole, the other end of the connecting valve can be pushed so that the connecting valve rotates around the fixing column and the connecting hole, thereby realizing the movement of the connecting valve.

[0012] Preferably, the connecting bolt passes through flange 2 and is threadedly connected to the threaded sleeve, and the connecting bolt and the threaded sleeve are provided with the same five.

[0013] Through the above technical solution, through the design of the connecting bolt, the fixed installation of flange one and flange two can be achieved to prevent flange one and flange two from moving, and the design of multiple connecting bolts can further improve the stability of flange one and flange two when connected.

[0014] Compared with the prior art, the utility model provides a lock pin opening valve structure, which has the following beneficial effects:

[0015] 1. The lock pin opening valve structure, through the design of the spring, when the connecting valve needs to be limited, the pull ring can be pulled to make the fixed block move up and down, and then when the clamping hole is located at the top of the lock pin column, the spring can be deformed to drive the lock pin column to move, so that the lock pin column can be clamped into the clamping hole, and the connecting valve can be fixed. Through the design of the moving rod, when the lock pin column moves up and down, the moving rod can move up and down in the sliding groove, and the moving rod can contact the switch key. When the connecting valve is opened, the control switch is triggered at the same time;

[0016] 2. The lock pin opening valve structure can be fixedly installed with the flange at the other end of the mounting frame through the design of the mounting frame, and can be fixed with the positioning bolt after the control switch is moved to a suitable position. The design of the movable groove can adjust the height of the control switch to facilitate the coordination with the moving rod. Through the design of the tension spring, when the limit of the connecting valve is cancelled, the tension spring can be reset, which can drive the connecting valve to return to the open state, and can achieve automatic reset. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0018] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0019] Figure 3 This is a schematic diagram of the split structure of the utility model Figure 1 ;

[0020] Figure 4 This is a schematic diagram of the split structure of the utility model Figure 2 ;

[0021] Figure 5 This is a schematic diagram of the three-dimensional structure of the lock pin assembly of the utility model;

[0022] Figure 6 This is a schematic diagram of the installation structure of the fixed plate and the tension spring of the utility model.

[0023] Wherein: 1. testing machine; 2. testing box body; 3. connecting pipe; 4. fixing seat; 5. flange one; 6. threaded sleeve; 7. flange two; 8. connecting bolt; 9. mounting seat; 10. funnel; 11. groove; 12. connecting valve; 13. fixing column; 14. connecting hole; 15. clamping hole; 16. fixing plate; 17. tension spring; 18. mounting frame; 19. moving groove; 20. positioning bolt; 21. control switch; 22. switch key; 23. locking pin assembly; 2301. fixing sleeve; 2302. fixing block; 2303. spring; 2304. locking pin column; 2305. pull ring; 2306. moving rod; 2307. sliding groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1: Figure 1-6 As shown, the lock pin opening type valve structure provided by the utility model includes a testing machine 1, a testing box body 2 and a connecting pipe 3 fixedly installed on the top of the testing machine 1, a fixing seat 4 is fixedly installed on the top of the connecting pipe 3, a flange 15 is fixedly installed on the top of the fixing seat 4, a plurality of threaded sleeves 6 are fixedly installed on the top of the flange 15, a flange 2 7 is fixedly installed on the top of the threaded sleeve 6, a connecting bolt 8 is arranged through the flange 15 and the flange 2 7, a mounting seat 9 is fixedly installed on the top of the flange 2 7, a funnel 10 is fixedly installed on the top of the mounting seat 9, a groove 11 is provided on the inner side of the flange 15, a connecting valve 12 is arranged on the top of the flange 15, a fixing column 13 is fixedly installed on the top of the flange 15, a connecting hole 14 is provided on the inner side of the connecting valve 12, a clamping hole 15 is provided on the bottom of the connecting valve 12, a fixing plate 16 is fixedly installed on the top of the flange 15, a mounting frame 18 is fixedly installed on the bottom of the flange 15, a moving groove 19 is provided on one side of the mounting frame 18, a positioning bolt 20 is provided on the inner side of the moving groove 19, and a lock pin assembly 23 is fixedly installed on the bottom of the flange 15.

[0026] Specifically, the locking pin assembly 23 includes a fixing sleeve 2301, a fixing block 2302 is arranged inside the fixing sleeve 2301, the fixing block 2302, a spring 2303 is fixedly installed at the bottom of the fixing block 2302, a locking pin column 2304 is fixedly installed inside the fixing block 2302, a pull ring 2305 is fixedly installed at the bottom of the locking pin column 2304, the other end of the spring 2303 is fixedly installed with the fixing sleeve 2301, and the locking pin column 2304 is the same size as the clamping hole 15. The advantage is that through the design of the spring 2303, when it is necessary to limit the connection valve 12, the fixing block 2302 can be moved up and down by pulling the pull ring 2305, and then when the clamping hole 15 is located at the top of the locking pin column 2304, the spring 2303 can be deformed to drive the locking pin column 2304 to move, so that the locking pin column 2304 can be clamped into the clamping hole 15, and the connection valve 12 can be fixed.

[0027] Specifically, the locking pin assembly 23 also includes a moving rod 2306 fixedly installed on one side of the locking pin column 2304, a sliding groove 2307 is opened on the side of the fixed sleeve 2301 close to the moving rod 2306, and a switch key 22 is fixedly installed on the top of the control switch 21. The moving rod 2306 is located at the top of the switch key 22. The advantage is that through the design of the moving rod 2306, when the locking pin column 2304 moves up and down, the moving rod 2306 can move up and down in the sliding groove 2307, and the moving rod 2306 can contact the switch key 22. When the connected valve 12 is opened, the control switch 21 is triggered at the same time.

[0028] Specifically, a control switch 21 is fixedly installed on the other side of the mounting frame 18. The mounting frame 18 is in an "L"-shaped structure. The positioning bolt 20 passes through the mounting frame 18 and extends to the interior of the control switch 21. The positioning bolt 20 is compatible with the movable groove 19. The advantage is that, through the design of the mounting frame 18, the other end of the mounting frame 18 can be fixedly installed on the flange 5, and in combination with the positioning bolt 20, the control switch 21 can be moved to a suitable position and then fixed in combination with the positioning bolt 20. In addition, the design of the movable groove 19 can adjust the height of the control switch 21, which is convenient for cooperating with the movable rod 2306.

[0029] Embodiment 2: Figure 2-6 As shown, as an improvement to the previous embodiment.

[0030] Specifically, a tension spring 17 is provided on the outer side of the fixed plate 16, and the other end of the tension spring 17 is fixedly installed with the connecting valve 12. Two identical tension springs 17 are provided. The advantage is that, through the design of the tension spring 17, when the limit of the connecting valve 12 is cancelled, the tension spring 17 can be reset, and the connecting valve 12 can be driven to return to the open state, thereby realizing automatic reset.

[0031] Specifically, the connecting valve 12 is rotatably installed with the flange 5 through the fixing column 13 and the connecting hole 14, and the connecting valve 12 is located at the top of the groove 11. The advantage is that through the design of the fixing column 13 and the connecting hole 14, the other end of the connecting valve 12 can be pushed so that the connecting valve 12 rotates around the fixing column 13 and the connecting hole 14, thereby realizing the movement of the connecting valve 12.

[0032] Specifically, the connecting bolt 8 passes through flange 2 7 and is threadedly connected to the threaded sleeve 6. The connecting bolt 8 and the threaded sleeve 6 are provided with the same five. The advantage is that through the design of the connecting bolt 8, the fixed installation of flange 1 5 and flange 2 7 can be achieved to avoid the movement of flange 1 5 and flange 2 7, and the design of multiple connecting bolts 8 can further improve the stability of flange 1 5 and flange 2 7 when connected.

[0033] Working principle: During use, through the design of spring 2303, when it is necessary to limit the connection valve 12, the pull ring 2305 can be pulled to make the fixing block 2302 move up and down, and then when the clamping hole 15 is located at the top of the locking pin column 2304, the spring 2303 can be deformed to drive the locking pin column 2304 to move, so that the locking pin column 2304 can be clamped into the clamping hole 15, and the connection valve 12 can be fixed. Through the design of the moving rod 2306, when the locking pin column 2304 moves up and down, the moving rod 2306 can move up and down in the sliding groove 2307, and the moving rod 2306 can contact the switch key 22. When the connection valve 12 is opened, the control switch 21 is triggered at the same time. Through the design of the mounting frame 18, the other end of the mounting frame 18 can be fixedly installed with the flange 5, and cooperate with the upper positioning The bolt 20 can move the control switch 21 to a suitable position, and then it can be fixed in conjunction with the positioning bolt 20. The design of the movable groove 19 can adjust the height of the control switch 21 to facilitate the cooperation with the movable rod 2306. Through the design of the tension spring 17, when the limit of the connecting valve 12 is cancelled, the tension spring 17 can be reset, and the connecting valve 12 can be driven to return to the open state, and automatic reset can be achieved. Through the design of the fixing column 13 and the connecting hole 14, the other end of the connecting valve 12 can be pushed to make the connecting valve 12 rotate around the fixing column 13 and the connecting hole 14, so as to realize the movement of the connecting valve 12. Through the design of the connecting bolt 8, the fixed installation of flange 15 and flange 27 can be realized to prevent flange 15 and flange 27 from moving. In addition, the design of multiple connecting bolts 8 can further improve the stability of flange 15 and flange 27 when connected.

[0034] 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 lock pin opening valve structure, comprising a testing machine (1), a testing box body (2), and a connecting pipe (3) fixedly mounted on the top of the testing machine (1), characterized in that: A fixing seat (4) is fixedly mounted on the top of the connecting pipe (3), a flange 1 (5) is fixedly mounted on the top of the fixing seat (4), a plurality of threaded sleeves (6) are fixedly mounted on the top of the flange 1 (5), a flange 2 (7) is fixedly mounted on the top of the threaded sleeve (6), a connecting bolt (8) is provided through the flange 1 (5) and the flange 2 (7), a mounting seat (9) is fixedly mounted on the top of the flange 2 (7), a funnel (10) is fixedly mounted on the top of the mounting seat (9), a groove (11) is provided on the inner side of the flange 1 (5), a connecting valve (12) is provided on the top of the flange 1 (5), a fixing column (13) is fixedly mounted on the top of the flange 1 (5), a connecting hole (14) is provided on the inner side of the connecting valve (12), and the connecting valve A clamping hole (15) is provided at the bottom of the door (12); a fixing plate (16) is fixedly mounted on the top of the flange (5); a mounting frame (18) is fixedly mounted on the bottom of the flange (5); a movable groove (19) is provided on one side of the mounting frame (18); a positioning bolt (20) is arranged inside the movable groove (19); a locking pin assembly (23) is fixedly mounted on the bottom of the flange (5); a control switch (21) is fixedly mounted on the other side of the mounting frame (18); the mounting frame (18) is in an "L"-shaped structure; the positioning bolt (20) penetrates the mounting frame (18) and extends to the inside of the control switch (21); the positioning bolt (20) is matched with the movable groove (19); and a switch key (22) is fixedly mounted on the top of the control switch (21).

2. The lock pin opening valve structure according to claim 1, characterized in that: The locking pin assembly (23) comprises a fixing sleeve (2301), a fixing block (2302) is arranged inside the fixing sleeve (2301), a spring (2303) is fixedly installed at the bottom of the fixing block (2302), a locking pin column (2304) is fixedly installed inside the fixing block (2302), a pull ring (2305) is fixedly installed at the bottom of the locking pin column (2304), the other end of the spring (2303) is fixedly installed with the fixing sleeve (2301), the locking pin column (2304) is the same size as the clamping hole (15), a moving rod (2306) is fixedly installed on one side of the locking pin column (2304), a sliding groove (2307) is provided on the side of the fixing sleeve (2301) close to the moving rod (2306), and the moving rod (2306) is located at the top of the switch key (22).

3. The lock pin opening valve structure according to claim 1, characterized in that: A tension spring (17) is provided on the outside of the fixing plate (16), the other end of the tension spring (17) is fixedly mounted to the connecting valve (12), and two identical tension springs (17) are provided.

4. The lock pin opening valve structure according to claim 1, characterized in that: The connecting valve (12) is rotatably mounted on the flange 1 (5) via a fixing column (13) and a connecting hole (14), and the connecting valve (12) is located at the top of the groove (11).

5. The lock pin opening valve structure according to claim 1, characterized in that: The connecting bolt (8) passes through the second flange (7) and is threadedly connected to the threaded sleeve (6). The connecting bolt (8) and the threaded sleeve (6) are provided with the same five.

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