Ultralow-temperature quick core-pulling valve control valve

Abstract

The utility model provides a control valve of an ultralow-temperature quick core-pulling valve. Comprising a valve body, a water inlet and a water outlet which are formed in the two sides of the valve body respectively, a Z-shaped partition plate arranged in the valve body, a circular water drainage opening formed in a sealing plate, a sliding rod arranged at the top of the valve body in a sliding mode, and a plug fixedly connected to the bottom of the sliding rod and matched with the water drainage opening in size. The sliding rod is used for completing closing and opening of the drain outlet by the plug when moving up and down, the top of the valve body is fixedly connected with a mounting bin, the sliding rod is connected into the mounting bin in a sliding mode, the top of the sliding rod is fixedly connected with a connecting ring, and the connecting ring is rotationally connected with a threaded sleeve. According to the ultralow-temperature quick core-pulling valve control valve, the threaded section and the power part of the valve can be located in a closed space through the arrangement of the installation bin and the placement bin, corrosion of water vapor to a thread or a motor and other devices is avoided, and the service life of the device is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to low temperature control valve technical field, concretely relates to a kind of super low temperature quick core-pulling valve control valve. BACKGROUND

[0002] Super low temperature control valve is a kind of valve specially used to control the flow and pressure of fluid medium in extremely low temperature environment, suitable for processing liquid nitrogen, liquid oxygen, liquid hydrogen and other super low temperature fluids, super low temperature control valve often uses special material and heat insulation design, can maintain good mechanical properties and sealing performance at temperature below-100 ℃, provide accurate flow control, and have safety cut-off function, widely used in aerospace, gas industry, scientific research and biomedical fields.

[0003] Super low temperature control valve often uses long-neck type core-pulling valve, the long neck design of valve body operating part helps to prevent cold bridge phenomenon, i.e. heat is quickly transmitted through metal parts, resulting in local temperature drop, this design can avoid that valve body operating part becomes fragile due to too low temperature, when operating, it is often through rotating threaded control rod to control the up-down movement of plug to manage the opening and closing of valve, however, the threaded connection part of traditional core-pulling valve is often exposed outside to facilitate operation, so that threaded connection is easily affected by corrosive gas or liquid, especially in such high humidity environment where valve needs to be installed, corrosion to thread will be stronger, not only will affect the operation of valve, but also may damage valve.

[0004] In view of this, a kind of super low temperature quick core-pulling valve control valve is proposed. CONTENT OF UTILITY MODEL

[0005] The utility model aims at solving the problem that the threaded connection of traditional super low temperature quick core-pulling valve control valve is exposed outside to facilitate operation and is easily corroded, and provides a kind of super low temperature quick core-pulling valve control valve.

[0006] To solve the above technical problems, the utility model discloses the following technical scheme: A kind of super low temperature fast core valve control valve, including valve body, water inlet and water outlet respectively opened in the both sides of valve body, the partition plate that is set in the inside of valve body and is in Z shape, the water outlet that is opened in the partition plate and is set in circular, slidingly set in the top of valve body Sliding rod and fixedly connected in the bottom of the plug that the sliding rod size is adapted with the water outlet, the sliding rod is used to move up and down when completing plug to the closure and open setting of water outlet, the top of the valve body is fixedly connected with installation bin, the sliding rod is slidingly connected in the installation bin, the top of the sliding rod is fixedly connected with connecting ring, the connecting ring is rotatably connected with screw sleeve, the screw sleeve is threadedly connected with screw rod, the screw rod is used to move up and down when driving screw sleeve and connecting ring, the connecting place of the installation bin and the valve body is provided with sealing plate, the sealing plate is used to prevent liquid or water vapor from entering installation bin to corrode screw sleeve and screw rod.

[0007] Preferably, the top of the sliding rod is fixedly connected with two symmetrically arranged sliding blocks, the cross section of the sliding block is arranged in T shape, and the wall surface of the installation bin is provided with a sliding groove matched with the size of the sliding block.

[0008] Preferably, the screw sleeve is fixedly connected with a rotating ring arranged in T shape in cross section, and the rotating ring is rotatably connected with the connecting ring.

[0009] Preferably, the top of the installation bin is fixedly connected with a placing bin, the placing bin is fixedly connected with a motor, the output end of the motor is fixedly connected with the screw rod, and the installation bin and the placing bin are fixedly installed through two C-shaped connecting rods.

[0010] Preferably, the bottom of the screw rod is fixedly connected with a rotating disc, and the rotating disc is used to manually control the closing and opening of the valve body when the motor is damaged.

[0011] Preferably, when the sliding block is located at the bottom of the sliding groove, the plug can just block the water outlet.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1、The super low temperature fast core valve control valve provided by the utility model can make the threaded section and the power part of the valve be in a closed space through the installation bin and the placing bin, avoid the corrosion of water vapor on the threaded section or the motor and the like, and improve the service life of the device.

[0014] 2、The super low temperature fast core valve control valve provided by the utility model can improve the operation efficiency when the valve is closed and opened through the motor, make the control of the valve more convenient, and also make the opening and closing of the valve more rapid. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings accompanying the specification of this application provide further understanding of the present application, the illustrative embodiments of the present application and its description serve to explain the present application, and do not constitute an improper limitation on the present application.

[0016] In the drawings:

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the present application.

[0018] Figure 2 It is a schematic diagram of the cross-section of the valve body of an embodiment of the present application.

[0019] Figure 3 It is a schematic diagram of the cross-section of the mounting bin and the placing bin of an embodiment of the present application.

[0020] Figure 4 It is an enlarged view of the threaded connection of an embodiment of the present application.

[0021] Figure 5 It is a schematic diagram of the cross-section of the slide rod and the screw rod of an embodiment of the present application.

[0022] Figure 6 It is a schematic diagram of the cross-section of the mounting bin of an embodiment of the present application.

[0023] In the drawings:

[0024] 1, valve body, 2, water inlet, 3, water outlet, 4, partition plate, 5, water outlet, 6, slide rod, 7, plug, 8, mounting bin, 9, slide block, 10, slide groove, 11, connecting ring, 12, screw sleeve, 13, screw rod, 14, swivel ring, 15, turntable, 16, sealing plate, 17, connecting rod, 18, placing bin, 19, motor. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The embodiments in the present application and the features in the embodiments can be combined with each other without conflict. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Please refer to Figures 1-6 .

[0027] The utility model discloses a super low temperature quick core pulling valve control valve, including valve body 1, the water inlet 2 and the water outlet 3 of setting respectively in the both sides of valve body 1, set in the partition 4 of valve body 1 inside and present Z shape, the water outlet 5 of setting on the partition and present circularly, the slide rod 6 of sliding setting in the top of valve body 1 and the plug 7 of fixed connection in the bottom of slide rod 6 with the size of water outlet 5 is adapted, the slide rod 6 is used for up and down movement when the closure and open setting of plug 7 to water outlet 5 are completed, the top of valve body 1 is fixedly connected with installation bin 8, and the slide rod 6 is slidably connected in installation bin 8, and the top of slide rod 6 is fixedly connected with connecting ring 11, and the screw sleeve 12 is rotatably connected on connecting ring 11, and the screw rod 13 is threadedly connected on screw sleeve 12, and the screw rod 13 is used for moving up and down when driving screw sleeve 12 and connecting ring 11, and the connecting place of installation bin 8 and valve body 1 is provided with sealing plate 16, and sealing plate 16 is used for preventing liquid or water vapor from entering installation bin 8 to corrode screw sleeve 12 and screw rod 13.

[0028] Need to explain, when screw rod 13 rotates, because screw sleeve 12 and connecting ring 11 are rotatably connected, and connecting ring 11 is slidably connected in installation bin 8 along with slide rod 6, so that screw rod 13 will drive screw sleeve 12 and connecting ring 11 to move up and down when rotating, that is to say, slide rod 6 and plug 7 will move up and down along with connecting ring 11, so that the opening and closing control of valve can be completed.

[0029] Among them, the top of slide rod 6 is fixedly connected with two symmetrically arranged sliding blocks 9, the cross section of sliding block 9 is arranged in T shape, and a sliding groove 10 with a size adapted to the sliding block 9 is formed in the wall of installation bin 8, as shown in Figure 6 The sliding groove 10 is also arranged in T shape and is adapted to the sliding block 9, so that the plug 7 can be kept stable during the up and down movement along with the slide rod 6, and the plug 7 can accurately plug the water outlet 5.

[0030] In addition, the cross section of the rotating ring 14 fixedly connected to the screw sleeve 12 is arranged in T shape, and the rotating ring 14 is rotatably connected to the connecting ring 11. In the specific arrangement, the rotating ring 14 can also be arranged as a bearing, and the outer ring of the bearing is fixed to the connecting ring 11, and the inner ring is fixed to the screw sleeve 12. In this embodiment, the rotating ring 14 is arranged in a ring shape with a cross section in T shape, as shown in Figure 4 A ring groove for the rotation of the rotating ring 14 is formed in the connecting ring 11.

[0031] Specifically, the upper portion of the installation bin 8 is fixedly connected to a placing bin 18, the motor 19 is fixedly connected in the placing bin 18, the output end of the motor 19 is fixedly connected to the screw rod 13, the installation bin 8 and the placing bin 18 are fixedly installed through two C-shaped connecting rods 17, and the placing bin 18 and the installation bin 8 are respectively used to close the threaded section of the motor 19 and the slide rod 6 to prevent water vapor corrosion.

[0032] Further, the bottom of the screw rod 13 is fixedly connected with a rotating disc 15, which is used to manually control the closing and opening of the valve body 1 when the motor 19 is damaged, and the rotating disc 15 will be idle when the motor 19 is started, which will not affect the device.

[0033] In addition, when the sliding block 9 is located at the bottom of the sliding groove 10, the plug 7 can just seal the water outlet 5, and when the sliding block 9 is located at the top of the sliding groove 10, the plug 7 moves to the top in the valve body 1 and completely releases the water outlet 5.

[0034] When the device is used, the rising or falling of the plug 7 is controlled by controlling the forward rotation or reverse rotation of the motor 19, so as to control the opening and closing of the water outlet 5, and when the motor 19 is damaged, the forward rotation and reverse rotation of the rotating disc 15 can also be manually or by other devices to control the valve body 1.

[0035] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

Claims

1. An ultra-low temperature quick core-pulling valve control valve, characterized by: The utility model provides a valve, including valve body (1), water inlet (2) and water outlet (3) are set up respectively on both sides of valve body (1), the partition board (4) that is set up in the Z shape in the inside of valve body (1), the water outlet (5) that is set up on the partition board and is set up in the circular, the slide rod (6) that is set up in the top of valve body (1) and the plug (7) that is fixedly connected in the bottom of slide rod (6) with water outlet (5) size is adapted, the slide rod (6) is used to go up and down when completing the closure and open setting of plug (7) to water outlet (5), the top of valve body (1) is fixedly connected with installation warehouse (8), the slide rod (6) is connected in installation warehouse (8), the top of slide rod (6) is fixedly connected with connecting ring (11), connecting ring (11) is rotatably connected with screw sleeve (12), screw sleeve (12) is threadedly connected with screw rod (13), screw rod (13) is used to rotate when driving screw sleeve (12) and connecting ring (11) go up and down, the connecting place of installation warehouse (8) and valve body (1) is provided with sealing plate (16), sealing plate (16) is used to prevent liquid or water vapor from entering installation warehouse (8) to corrode screw sleeve (12) and screw rod (13).

2. The ultra-low temperature quick-striking valve control valve of claim 1, wherein: The top of slide rod (6) is fixedly connected with two symmetrical slide blocks (9), the cross section of slide block (9) is set up in T shape, the wall surface of installation warehouse (8) is set up with the sliding slot (10) of the size of slide block (9).

3. The ultra-low temperature quick-striking valve control valve of claim 2, wherein: The cross section of screw sleeve (12) is fixedly connected with the rotating ring (14) that sets up in T shape, and the rotating ring (14) is rotatably connected with the connecting ring (11).

4. The ultra-low temperature quick-striking valve control valve of claim 3, wherein: The top of installation warehouse (8) is fixedly connected with the placing warehouse (18), the motor (19) is fixedly connected in the placing warehouse (18), the output end of motor (19) is fixedly connected with screw rod (13), and the installation warehouse (8) and the placing warehouse (18) are fixedly installed through two C-shaped connecting rods (17).

5. The ultra-low temperature quick-striking valve control valve of claim 4, wherein: The bottom of screw rod (13) is fixedly connected with the rotating disc (15), and the rotating disc (15) is used to manually control the closing and opening of valve body (1) when the motor (19) is damaged.

6. The ultra-low temperature quick-striking valve control valve of claim 5, wherein: When the slide block (9) is located at the bottom of the sliding slot (10), the plug (7) can just block the water outlet (5).

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