Combined sealing valve of vacuum pipeline of vacuum hot press

Abstract

The utility model discloses a combined sealing valve of a vacuum pipeline of a vacuum hot press, which comprises a valve body, flanges are arranged at two ends of the valve body, a mounting plate is arranged on the outer wall of the valve body, an adjusting sleeve is arranged at the top end of the mounting plate, a screw rod is arranged in the adjusting sleeve, a movable sleeve is sleeved on the outer wall of the screw rod, and the movable sleeve is sleeved on the outer wall of the movable sleeve. The bottom end of the movable sleeve extends into the valve body to be connected with a sealing plug, an isolation plate is arranged in the valve body, a circulation hole matched with the sealing plug is formed in the top end of the isolation plate, and the top end of the lead screw extends out of the adjusting sleeve to be connected with a rotating wheel. A locking assembly matched with the movable sleeve is arranged on the outer wall of the adjusting sleeve. The device has the beneficial effects that the locking assembly is arranged, after the sealing valve is closed, the sealing valve cannot be opened due to external vibration of the rotating wheel, then the safety is improved, and meanwhile the locking assembly is easy to use and firm in limiting through elastic cooperation of the spring and the locking rod.

Description

Technical Field

[0001] The utility model relates to the technical field of hot press sealing valves, in particular to a combined sealing valve for a vacuum pipeline of a vacuum hot press. Background Art

[0002] A hot press heats two pre-fluxed, tinned parts to a temperature high enough to melt and flow the solder. Once solidified, a permanent electrical and mechanical connection is formed between the parts and the solder. Heating rates can be selected to suit different products. The titanium alloy indenter ensures uniform temperature, rapid heating, and an exceptionally long service life. The indenter features a horizontally adjustable design to ensure even pressure on the components. Temperatures are digitally controlled for clarity and precision. A digital pressure gauge is available with preset pressure ranges. Existing combined sealing valves in hot press piping lack a self-locking function, making them easily opened by accident and less safe.

[0003] Currently, no effective solutions have been proposed for the problems in related technologies. Utility Model Content

[0004] In view of the problems in the related art, the present invention proposes a combined sealing valve for a vacuum pipeline of a vacuum hot press to overcome the above technical problems existing in the existing related art.

[0005] To this end, the specific technical solutions adopted in this utility model are as follows:

[0006] A combination sealing valve for the vacuum pipeline of a vacuum hot press comprises a valve body, flanges are provided at both ends of the valve body, a mounting plate is provided on the outer wall of the valve body, an adjusting sleeve is provided on the top of the mounting plate, a screw rod is provided in the adjusting sleeve, a movable sleeve is sleeved on the outer wall of the screw rod, the bottom end of the movable sleeve extends into the valve body and is connected to the sealing plug, an isolation plate is provided in the valve body, a flow hole matching the sealing plug is opened on the top of the isolation plate, the top end of the screw rod extends to the outside of the adjusting sleeve and is connected to the runner, and the outer wall of the adjusting sleeve is provided with a locking assembly matching the movable sleeve.

[0007] Preferably, the mounting plate is connected to the valve body via bolts.

[0008] Preferably, the screw rod is connected to the adjusting sleeve through a bearing, the inner wall of the movable sleeve is provided with a threaded groove matching the screw rod, the outer wall of the movable sleeve is provided with a symmetrically arranged guide frame, and the inner wall of the adjusting sleeve is provided with a guide groove matching the guide frame.

[0009] Preferably, a through hole matching the screw rod is provided on the valve body, and a sealing sleeve is provided on the inner wall of the through hole.

[0010] Preferably, the locking assembly includes a symmetrically arranged locking sleeve provided on the outer wall of the adjusting sleeve, a locking rod is provided in the locking sleeve, a pressure block matching the locking sleeve is fixedly sleeved on the outer wall of the locking rod, a spring is sleeved on one side of the pressure block and located on the outer wall of the locking rod, one side of the locking rod extends into the adjusting sleeve and conflicts with the movable sleeve, a locking groove matching the locking rod is provided on the outer wall of the movable sleeve, and the locking rod extends away from one side of the movable sleeve to the outside of the locking sleeve and is connected to the pull block.

[0011] Preferably, the pressure block is connected to the locking sleeve via the spring.

[0012] Preferably, the outer wall of the rotating wheel is provided with a symmetrically arranged mounting groove, a rotating shaft is provided in the mounting groove, a mounting ring is provided on the outer wall of the rotating shaft, a handle is provided on the outer wall of the mounting ring, the inner wall of the rotating wheel is provided with a symmetrically arranged fixing frame, and the inner wall of the fixing frame is provided with a pressure pad matching the handle.

[0013] The beneficial effects of the utility model are as follows: by arranging the locking assembly, the rotary wheel will not cause the sealing valve to open due to external vibration when the sealing valve is closed, thereby improving its safety. At the same time, the locking assembly is used in conjunction with the elastic force of the spring and the locking rod to simply limit the position firmly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 This is a schematic diagram of the overall structure of a combined sealing valve for a vacuum pipeline of a vacuum hot press according to an embodiment of the present utility model;

[0016] Figure 2 This is a front view of a combined sealing valve for a vacuum pipeline of a vacuum hot press according to an embodiment of the present utility model;

[0017] Figure 3 This is a top view of a combined sealing valve of a vacuum pipeline of a vacuum hot press according to an embodiment of the present utility model;

[0018] Figure 4 This is a cross-sectional view of a combined sealing valve of a vacuum pipeline of a vacuum hot press according to an embodiment of the present utility model;

[0019] Figure 5 yes Figure 4 A local enlarged schematic diagram of point A in the middle.

[0020] In the picture:

[0021] 1. Valve body; 2. Flange; 3. Mounting plate; 4. Adjusting sleeve; 5. Screw; 6. Moving sleeve; 7. Sealing plug; 8. Isolation plate; 9. Flow hole; 10. Rotor; 11. Bolt; 12. Bearing; 13. Threaded groove; 14. Guide frame; 15. Guide groove; 16. Through hole; 17. Sealing sleeve; 18. Locking sleeve; 19. Locking rod; 20. Pressure block; 21. Spring; 22. Mounting groove; 23. Rotating shaft; 24. Mounting ring; 25. Handle; 26. Fixing frame; 27. Pressure pad; 28. Locking groove. DETAILED DESCRIPTION

[0022] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. By referring to these contents, ordinary technicians in this field should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0023] According to an embodiment of the utility model, a combined sealing valve for a vacuum pipeline of a vacuum hot press is provided.

[0024] Embodiment 1;

[0025] like Figure 1-5 As shown, the orthopedic spinal fixation device according to the embodiment of the present invention includes a valve body 1, flanges 2 are provided at both ends of the valve body 1, a mounting plate 3 is provided on the outer wall of the valve body 1, an adjusting sleeve 4 is provided on the top of the mounting plate 3, a screw rod 5 is provided in the adjusting sleeve 4, a movable sleeve 6 is sleeved on the outer wall of the screw rod 5, the bottom end of the movable sleeve 6 extends into the valve body 1 and is connected with the sealing plug 7, an isolation plate 8 is provided in the valve body 1, a flow hole 9 matching the sealing plug 7 is opened on the top of the isolation plate 8, the top of the screw rod 5 extends to the outside of the adjusting sleeve 4 and is connected with a rotating wheel 10, and the outer wall of the adjusting sleeve 4 is provided with a locking assembly matching the movable sleeve 6.

[0026] Embodiment 2;

[0027] like Figure 1-5As shown, it includes a valve body 1, with flanges 2 at both ends of the valve body 1, a mounting plate 3 on the outer wall of the valve body 1, an adjusting sleeve 4 on the top of the mounting plate 3, a screw 5 in the adjusting sleeve 4, a movable sleeve 6 on the outer wall of the screw 5, the bottom end of the movable sleeve 6 extending into the valve body 1 and connected to the sealing plug 7, an isolation plate 8 in the valve body 1, a flow hole 9 matching the sealing plug 7 on the top of the isolation plate 8, the top end of the screw 5 extending to the outside of the adjusting sleeve 4 and connected to the rotating wheel 10, the outer wall of the adjusting sleeve 4 is provided with a locking assembly matching the movable sleeve 6. The outer wall of the rotating wheel 10 is provided with symmetrical mounting grooves 22, a rotating shaft 23 in the mounting groove 22, a mounting ring 24 on the outer wall of the rotating shaft 23, a handle 25 on the outer wall of the mounting ring 24, a symmetrical fixing frame 26 on the inner wall of the rotating wheel 10, a pressure pad 27 matching the handle 25 on the inner wall of the fixing frame 26. When the wheel 10 is difficult to rotate, the operator can move the handle 25 to rotate it toward the outside of the wheel 10, so that the two sets of handles 25 are in a horizontal state outside the wheel 10. The operator can push the handle 25 to drive the wheel 10 to rotate, which makes the operation more flexible and convenient.

[0028] Embodiment 3;

[0029] like Figure 1-5As shown, it includes a valve body 1, with flanges 2 at both ends of the valve body 1. The outer wall of the valve body 1 is provided with a mounting plate 3, and an adjusting sleeve 4 is provided at the top of the mounting plate 3. The adjusting sleeve 4 is provided with a screw 5. The outer wall of the screw 5 is sleeved with a movable sleeve 6. The bottom end of the movable sleeve 6 extends into the valve body 1 and is connected to the sealing plug 7. The valve body 1 is provided with an isolation plate 8, and the top of the isolation plate 8 is provided with a flow hole 9 that matches the sealing plug 7. The top end of the screw 5 extends to the outside of the adjusting sleeve 4 and is connected to the runner 10. The outer wall of the adjusting sleeve 4 is provided with a locking assembly that matches the movable sleeve 6. The mounting plate 3 is connected to the valve body 1 by a bolt 11. The screw 5 is connected to the adjusting sleeve 4 via a bearing 12. The inner wall of the movable sleeve 6 is provided with a threaded groove 13 that matches the screw 5. The outer wall of the movable sleeve 6 is provided with a symmetrically arranged guide frame 14, and the inner wall of the adjusting sleeve 4 is provided with a guide groove 15 that matches the guide frame 14. The valve body 1 is provided with a through hole 16 that matches the screw rod 5. A sealing sleeve 17 is provided on the inner wall of the through hole 16. The locking assembly includes a symmetrically arranged locking sleeve 18 provided on the outer wall of the adjusting sleeve 4. A locking rod 19 is provided within the locking sleeve 18. A pressure block 20 that matches the locking sleeve 18 is fixedly mounted on the outer wall of the locking rod 19. A spring 21 is provided on one side of the pressure block 20 and on the outer wall of the locking rod 19. One side of the locking rod 19 extends into the adjusting sleeve 4 to contact the movable sleeve 6. A locking groove 28 that matches the locking rod 19 is provided on the outer wall of the movable sleeve 6. The locking rod 19 extends away from the movable sleeve 6 to the outside of the locking sleeve 18 and connects to the pull block. The pressure block 20 is connected to the locking sleeve 18 via the spring 21. When closing the valve, rotating the wheel 10 drives the screw rod 5 to rotate, and the screw rod 5 drives the movable sleeve 6 to move downward, and the movable sleeve 6 drives the sealing plug 7 to move downward and close the flow hole 9 on the isolation plate 8. When the sealing plug 7 contacts the flow hole 9, the locking groove 28 on the movable sleeve 6 moves to a horizontal state with the locking rod 19, and the spring 21 pushes the mounting ring 24 through the elastic force, and the mounting ring 24 drives the locking rod 19 to move until it is inserted into the locking groove 28 to lock the movable sleeve 6. By setting the locking assembly, when the sealing valve is closed, the wheel will not cause the sealing valve to open due to external vibration, thereby improving its safety. At the same time, the locking assembly is simple and reliable in limit by cooperating with the elastic force of the spring and the locking rod.

[0030] When the valve is closed, the rotary wheel 10 is rotated to rotate by rotating the handle 25, so that the two sets of handles 25 are in a horizontal state outside the rotary wheel 10. The personnel can push the handle 25 to drive the rotary wheel 10 to rotate, which makes the operation more flexible and convenient.

[0031] To sum up, by setting up the locking assembly, the wheel will not cause the sealing valve to open due to external vibration when the sealing valve is closed, thereby improving its safety. At the same time, the locking assembly is used in conjunction with the spring and the elastic force of the locking rod to simply limit the position firmly.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A combined sealing valve for a vacuum pipeline of a vacuum hot press, comprising a valve body (1), characterized in that: Both ends of the valve body (1) are provided with flanges (2), the outer wall of the valve body (1) is provided with a mounting plate (3), the top of the mounting plate (3) is provided with an adjusting sleeve (4), the adjusting sleeve (4) is provided with a screw rod (5), the outer wall of the screw rod (5) is provided with a movable sleeve (6), the bottom end of the movable sleeve (6) extends into the valve body (1) and is connected to the sealing plug (7), the valve body (1) is provided with an isolation plate (8), the top of the isolation plate (8) is provided with a flow hole (9) matching the sealing plug (7), the top of the screw rod (5) extends to the outside of the adjusting sleeve (4) and is connected to the rotary wheel (10), and the outer wall of the adjusting sleeve (4) is provided with a locking assembly matching the movable sleeve (6).

2. The combined sealing valve for the vacuum pipeline of a vacuum hot press according to claim 1, characterized in that: The mounting plate (3) is connected to the valve body (1) via bolts (11).

3. The combined sealing valve for the vacuum pipeline of a vacuum hot press according to claim 1, characterized in that: The screw rod (5) is connected to the adjusting sleeve (4) through a bearing (12); a threaded groove (13) matching the screw rod (5) is provided on the inner wall of the movable sleeve (6); a symmetrically arranged guide frame (14) is provided on the outer wall of the movable sleeve (6); and a guide groove (15) matching the guide frame (14) is provided on the inner wall of the adjusting sleeve (4).

4. The combined sealing valve for the vacuum pipeline of a vacuum hot press according to claim 1, characterized in that: The valve body (1) is provided with a through hole (16) matching the screw rod (5), and the inner wall of the through hole (16) is provided with a sealing sleeve (17).

5. The combined sealing valve for the vacuum pipeline of a vacuum hot press according to claim 1, characterized in that: The locking assembly includes a symmetrically arranged locking sleeve (18) provided on the outer wall of the adjusting sleeve (4), a locking rod (19) provided in the locking sleeve (18), a pressure block (20) matching the locking sleeve (18) fixedly sleeved on the outer wall of the locking rod (19), a spring (21) sleeved on one side of the pressure block (20) and located on the outer wall of the locking rod (19), one side of the locking rod (19) extends into the adjusting sleeve (4) and contacts the movable sleeve (6), a locking groove (28) matching the locking rod (19) is provided on the outer wall of the movable sleeve (6), and the locking rod (19) extends away from one side of the movable sleeve (6) to the outside of the locking sleeve (18) and is connected to the pull block.

6. The combined sealing valve for the vacuum pipeline of a vacuum hot press according to claim 5, characterized in that: The pressure block (20) is connected to the locking sleeve (18) via the spring (21).

7. The combined sealing valve for the vacuum pipeline of a vacuum hot press according to claim 1, characterized in that: The outer wall of the rotating wheel (10) is provided with a symmetrically arranged mounting groove (22), a rotating shaft (23) is provided in the mounting groove (22), a mounting ring (24) is sleeved on the outer wall of the rotating shaft (23), a handle (25) is provided on the outer wall of the mounting ring (24), a symmetrically arranged fixing frame (26) is provided on the inner wall of the rotating wheel (10), and a pressing pad (27) matching the handle (25) is provided on the inner wall of the fixing frame (26).

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