Ultralow-temperature valve quick-opening device

Abstract

The utility model relates to the technical field of valve quick-opening devices, in particular to an ultralow-temperature valve quick-opening device which comprises a valve body, a supporting seat is installed at the top of the valve body, a pneumatic device is installed at the top of the supporting seat, two pushing grooves are formed in the left side and the right side of the bottom of the pneumatic device respectively, and rubber rods are connected to the inner walls of the pushing grooves in an inserted mode. Mounting blocks are arranged on the left side and the right side of the bottom of the pneumatic device correspondingly, supporting plates are hinged to the front side and the rear side of the mounting block on the left side correspondingly, and a moving plate is mounted on the upper sides of the mounting blocks. The device has the beneficial effects that a pneumatic device pushes a rubber rod and drives a moving plate to extrude three springs I at the bottom of the moving plate, so that the springs are in a semi-compressed state, and when the pneumatic device is started to quickly open a valve, the impact force of natural gas penetration during opening and closing is relieved by utilizing the matching between the springs I and the rubber rod; and therefore, the service life and the use effect of the ultralow-temperature valve quick-opening device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve quick-opening devices, in particular to an ultra-low temperature valve quick-opening device. Background Art

[0002] In many industrial fields, especially in the production and transmission of liquefied natural gas, ultra-low temperature environments are common working environments. In these applications, valves are key components in the control system, and their performance directly affects the stability and safety of the system. Especially under ultra-low temperature conditions, conventional valves are prone to operating difficulties, leakage, and even failure due to problems such as material embrittlement, lubrication failure, and thermal shrinkage. In order to meet the purpose of rapid opening, existing ultra-low temperature valves use electric or pneumatically driven quick opening devices to ensure that the valves can be quickly opened or closed when needed.

[0003] In the prior art, traditional cryogenic valves are mostly pneumatically driven to achieve rapid opening. However, when the valve is opened quickly, the natural gas inside it will quickly flow through, resulting in a large pressure shock. If these pressure shocks are not mitigated in time, the service life of the pneumatic device will be affected and its use effect will be reduced.

[0004] Therefore, a cryogenic valve quick-opening device is needed to solve the problem that the existing cryogenic valve quick-opening device reduces the impact force of the rapid opening of the valve, resulting in a short service life of the quick-opening device. Utility Model Content

[0005] The purpose of the present invention is to provide a quick-opening device for ultra-low temperature valves to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a quick-opening device for an ultra-low temperature valve, comprising a valve body, a support seat installed on the top of the valve body, a pneumatic device installed on the top of the support seat, two push grooves are provided on the left and right sides of the bottom of the pneumatic device, rubber rods are inserted into the inner walls of the push grooves, mounting blocks are provided on the left and right sides of the bottom of the pneumatic device, support plates are hinged on the front and rear sides of the mounting block on the left side, and a movable plate is installed on the upper side of the mounting block.

[0007] Preferably, a slide groove is provided inside the mounting blocks on the left and right sides, and a plurality of springs are installed on the bottom wall of the slide groove.

[0008] Preferably, the top ends of the plurality of springs are all mounted on the bottom of the movable plate.

[0009] Preferably, card plates are inserted on both the front and rear sides of the right part of the right side mounting block, card slots are provided on the right sides of the front and rear support plates, the left side of the card plate is inserted into the inner wall of the card slot, mounting slots are provided on both the front and rear sides of the support seat, and plug-in blocks are installed on the adjacent sides of the front and rear support plates, and the plug-in blocks are inserted into the inner wall of the mounting slot.

[0010] Preferably, two plug-in slots are provided on the front and rear sides of the right part of the right mounting block, clamping heads are installed on the upper and lower sides of the clamping plate, and a rubber ring is installed on the outer side of the right part of the clamping head.

[0011] Preferably, the clamping head is plugged into the inner wall of the plug-in slot, and the rubber ring is installed on the right side of the inner wall of the plug-in slot, and the rubber ring is in an extruded deformed state.

[0012] Preferably, the rubber rod is installed on the top of the movable plate and between the right side of the support plate and the right side mounting block, and the movable plate is slidably connected to the inner wall of the slide groove.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The ultra-low temperature valve quick-opening device proposed by the utility model uses a pneumatic device to push the rubber rod and drive the movable plate to squeeze the three springs at its bottom, so that the springs are in a semi-compressed state. At this time, when the pneumatic device is turned on to quickly open the valve, the cooperation between the spring and the rubber rod is utilized to reduce the impact force of the natural gas penetrating when it is opened and closed, thereby improving the service life and use effect of the ultra-low temperature valve quick-opening device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the support structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the installation block structure of the utility model;

[0018] Figure 4 for Figure 3 Structural cross-section at AA in the middle;

[0019] Figure 5 This is a schematic diagram of the structure of the movable plate of the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the support plate of the utility model after it is opened;

[0021] Figure 7 This is a schematic diagram of the support plate structure of the utility model;

[0022] Figure 8for Figure 7 Structural cross-section at the middle BB;

[0023] Figure 9 This is a schematic diagram of the structure of the card board of the utility model;

[0024] Figure 10 for Figure 9 Structural cross-section at CC.

[0025] In the figure: 1. Valve body; 2. Support seat; 3. Pneumatic device; 4. Mounting block; 5. Push groove; 6. Spring 1; 7. Moving plate; 8. Rubber rod; 9. Support plate; 10. Mounting groove; 11. Plug-in block; 12. Card slot; 13. Card plate; 14. Slide groove; 15. Plug-in groove; 16. Card head; 17. Rubber ring. DETAILED DESCRIPTION

[0026] In order to clearly and completely describe the purpose and technical solution of the present invention and make its advantages more clearly understood, the following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention and are not intended to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] Example 1: Please refer to Figures 1 to 10 The utility model provides a technical solution: a quick-opening device for an ultra-low temperature valve, comprising a valve body 1, a support seat 2 is installed on the top of the valve body 1, and a pneumatic device 3 is installed on the top of the support seat 2. Two pushing grooves 5 are provided on the left and right sides of the bottom of the pneumatic device 3, and a rubber rod 8 is inserted into the inner wall of the pushing groove 5. Mounting blocks 4 are provided on the left and right sides of the bottom of the pneumatic device 3, and support plates 9 are hinged on the front and rear sides of the left mounting block 4. A movable plate 7 is installed on the upper side of the mounting block 4; the rubber rod 8 is installed on the top of the movable plate 7, and is installed between the right side of the support plate 9 and the right mounting block 4, so that it is convenient to disassemble the two mounting blocks 4 laterally for maintenance or replacement. The movable plate 7 is slidably connected to the inner wall of the slide groove 14, so that when the rubber rod 8 is pressed, the movable plate 7 is used to squeeze and push multiple springs 6, thereby improving the deceleration effect.

[0028] Since the pneumatic device 3 is installed on the top of the support seat 2, and the two mounting blocks 4 are arranged at the bottom of the pneumatic device 3, the rubber rod 8 is inserted into the inner wall of the push groove 5 and is always supported, while driving the movable plate 7 along the inner wall of the slide groove 14. At this time, when the valve body 1 is opened, the rubber rod 8 is used to disperse the impact force when the valve body 1 is opened, thereby reducing the impact transmitted to the surrounding area, thereby improving the service life of the pneumatic device 3 and increasing its use effect.

[0029] Example 2: On the basis of Example 1, in order to keep the multiple springs 6 in a semi-compressed state and improve their impact reduction effect, a slide groove 14 is opened inside the left and right mounting blocks 4, and the bottom wall of the slide groove 14 is installed with multiple springs 6; the top ends of the multiple springs 6 are installed at the bottom of the movable plate 7, so as to utilize the cooperation between the spring 6, the rubber rod 8 and the movable plate 7 to reduce the impact force of the natural gas penetration when the pneumatic device 3 is switched, thereby improving the service life of the pneumatic device 3.

[0030] Since the pneumatic device 3 is installed on the top of the support seat 2, and the two mounting blocks 4 are arranged at the bottom of the pneumatic device 3, the rubber rod 8 is inserted into the inner wall of the push groove 5 and is always supported, while driving the movable plate 7 along the inner wall of the slide groove 14 and squeezing multiple springs 16 to maintain a semi-compressed state on the inner wall of the slide groove 14. At this time, when the valve body 1 is opened, since the spring 16 is in a compressed state and the rubber rod 8 is pushed against the inner wall of the push groove 5, the impact is effectively absorbed and dispersed to reduce the impact transmitted to the surrounding area, thereby improving the service life of the pneumatic device 3 and increasing its use effect.

[0031] Example 3: On the basis of Example 2, in order to facilitate the disassembly of the two mounting blocks 4 for maintenance or replacement, card plates 13 are inserted on both the front and rear sides of the right side of the right mounting block 4, and card slots 12 are provided on the right sides of the front and rear support plates 9. The left side of the card plate 13 is inserted into the inner wall of the card slot 12, and mounting slots 10 are provided on the front and rear sides of the support seat 2. Plug-in blocks 11 are installed on the adjacent sides of the front and rear support plates 9, and the plug-in blocks 11 are inserted into the inner wall of the mounting slot 10.

[0032] When the mounting block 4 needs to be disassembled, first pull out the two card plates 13 to the right, then open the two support plates 9 respectively, and drive the plug-in block 11 on one side to disengage from the mounting groove 10. At this time, the restrictions between the two mounting blocks 4 and the support seat 2 can be released, and then the two mounting blocks 4 are pulled downward respectively to disengage the rubber rod 8 from the pushing groove 5, thereby facilitating the operator to maintain or replace the two mounting blocks 4. After completion, the two mounting blocks 4 are reset, and the rubber rod 8 is inserted into the inner wall of the pushing groove 5 to keep it in the pushed state, and then the two support plates 9 are closed, and the plug-in block 11 is inserted into the inner wall of the mounting groove 10 following the movement of the support plate 9. When the support plate 9 is reset, the two card plates 13 are inserted to the inner wall of the right mounting block 4 to the left, thereby facilitating the disassembly and assembly of the two mounting blocks 4 for subsequent maintenance and use.

[0033] Example 4: On the basis of Example 3, in order to realize the installation between the two mounting blocks 4 and the support seat 2 for subsequent disassembly, two plug-in slots 15 are provided on the front and rear sides of the right part of the right mounting block 4, and clamping heads 16 are installed on the upper and lower sides of the clamping plate 13, and a rubber ring 17 is installed on the right outer side of the clamping head 16; the clamping head 16 is inserted into the inner wall of the plug-in slot 15, and the rubber ring 17 is installed on the right side of the inner wall of the plug-in slot 15, and the rubber ring 17 is in an extruded deformed state.

[0034] First, pull out the two card plates 13 to the right and let the left side of them disengage from the card slot 12. At this time, drive the two card heads 16 to disengage from the plug-in slot 15. Then open the two support plates 9 respectively and drive the plug-in block 11 on one side to disengage from the installation slot 10, so as to facilitate the operator to maintain or replace the two installation blocks 4. After completion, reset the two installation blocks 4 and plug the rubber rod 8 into the inner wall of the push groove 5 to keep it in the pushed state. Then close the two support plates 9 and let the plug-in block 11 follow the movement of the support plate 9 and plug it into the inner wall of the installation slot 10. After the plate 9 is reset, the two card plates 13 are plugged into the inner wall of the right mounting block 4 to the left, and the left side thereof is plugged into the inner wall of the card slot 12. At this time, the two card heads 16 will follow the movement of the card plate 13 and be plugged into the inner wall of the plug-in slot 15. When the card head 16 is fully reset, the rubber ring 17 is installed on the right side of the inner wall of the plug-in slot 15, so that it is in an extruded deformation state, thereby increasing the friction between the card head 16 and the plug-in slot 15, so as to improve the firmness of the card plate 13 plug-in, thereby facilitating the disassembly and assembly of the two mounting blocks 4 for subsequent maintenance and use.

[0035] In actual use, since the pneumatic device 3 is installed on the top of the support seat 2, and the two mounting blocks 4 are provided at the bottom of the pneumatic device 3, the rubber rod 8 is inserted into the inner wall of the push groove 5 and is always supported, while driving the movable plate 7 along the inner wall of the slide groove 14 and squeezing the multiple springs 16 to maintain a semi-compressed state on the inner wall of the slide groove 14. At this time, when the valve body 1 is opened, since the spring 16 is in a compressed state and the rubber rod 8 pushes against the inner wall of the push groove 5, the impact is effectively absorbed and dispersed to reduce the impact transmitted to the surrounding area, thereby improving the service life of the pneumatic device 3 and increasing its use effect.

[0036] When the mounting block 4 needs to be disassembled, first pull out the two card plates 13 to the right and let the left side thereof disengage from the card slot 12. At this time, the two card heads 16 are driven to disengage from the plug-in slot 15. Then, the two support plates 9 are opened respectively, and the plug-in block 11 on one side is driven to disengage from the mounting slot 10. At this time, the restriction between the two mounting blocks 4 and the support seat 2 can be released. Then, the two mounting blocks 4 are pulled downward respectively to disengage the rubber rod 8 from the pushing groove 5, thereby facilitating the operator to maintain or replace the two mounting blocks 4. After completion, the two mounting blocks 4 are reset, and the rubber rod 8 is plugged into the inner wall of the pushing groove 5 to keep it in the pushed state. Then, the two support plates 9 are closed. And let the plug-in block 11 follow the movement of the support plate 9 and be plugged into the inner wall of the mounting groove 10. When the support plate 9 is reset, the two card plates 13 are plugged to the inner wall of the right mounting block 4 to the left, and its left side is plugged into the inner wall of the card slot 12. At this time, the two clamping heads 16 will follow the movement of the card plate 13 and be plugged into the inner wall of the plug-in groove 15. When the clamping head 16 is completely reset, the rubber ring 17 is installed on the right side of the inner wall of the plug-in groove 15, so that it is in an extruded deformation state, thereby increasing the friction between the clamping head 16 and the plug-in groove 15, so as to improve the firmness of the plug-in of the card plate 13, thereby facilitating the disassembly and assembly of the two mounting blocks 4 for subsequent maintenance and use.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cryogenic valve quick-opening device, comprising a valve body (1), a support seat (2) mounted on the top of the valve body (1), and a pneumatic device (3) mounted on the top of the support seat (2), characterized in that: Two push grooves (5) are provided on both the left and right sides of the bottom of the pneumatic device (3), and rubber rods (8) are inserted into the inner walls of the push grooves (5). Mounting blocks (4) are provided on both the left and right sides of the bottom of the pneumatic device (3), and support plates (9) are hinged on the front and rear sides of the left mounting block (4), and a movable plate (7) is installed on the upper side of the mounting block (4); A slide groove (14) is provided inside the installation blocks (4) on both the left and right sides, and a plurality of springs (6) are installed on the bottom wall of the slide groove (14); The top ends of the plurality of springs (6) are all mounted on the bottom of the moving plate (7).

2. The ultra-low temperature valve quick opening device according to claim 1, characterized in that: The right side of the mounting block (4) is plugged with a card plate (13) on both the front and rear sides, the right side of the support plates (9) on both the front and rear sides are provided with a card slot (12), the left side of the card plate (13) is plugged into the inner wall of the card slot (12), the front and rear sides of the support seat (2) are provided with a mounting slot (10), the adjacent side of the support plates (9) on both the front and rear sides are provided with a plug-in block (11), and the plug-in block (11) is plugged into the inner wall of the mounting slot (10).

3. The ultra-low temperature valve quick opening device according to claim 2, characterized in that: Two insertion slots (15) are provided on the front and rear sides of the right side of the mounting block (4) on the right side. A clamping head (16) is installed on the upper and lower sides of the clamping plate (13). A rubber ring (17) is installed on the right outer side of the clamping head (16).

4. The ultra-low temperature valve quick opening device according to claim 3, characterized in that: The clamping head (16) is plugged into the inner wall of the plug-in slot (15), and the rubber ring (17) is installed on the right side of the inner wall of the plug-in slot (15), and the rubber ring (17) is in an extruded deformation state.

5. The ultra-low temperature valve quick opening device according to claim 1, characterized in that: The rubber rod (8) is installed on the top of the movable plate (7), and is installed between the right side of the support plate (9) and the right side mounting block (4). The movable plate (7) is slidably connected to the inner wall of the slide groove (14).

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