Novel valve

Abstract

The utility model relates to the technical field of valves, in particular to a novel valve. The top of the valve body is fixedly provided with a valve cover, the inner side of the valve cover is slidably connected with a valve rod, the top end of the outer side of the valve rod is fixedly provided with a limiting plate, the limiting plate is slidably connected with the valve cover, the top of the valve body is further provided with a sealing cover, the sealing cover is located in the valve cover, and the sealing cover is slidably connected with the valve rod. A corrugated pipe is slidably connected to the bottom end of the outer side of the valve rod and located in the valve body, and a sealing plate is fixed to the bottom end of the valve rod and located in the valve body. According to the novel valve provided by the utility model, through the design of the transmission mechanism, the valve can be ensured to be closed in time through manual operation under the condition of failure or power failure of the rotating motor, so that medium leakage is prevented, and the safety of a pipeline system is ensured; the control assembly can accurately control disconnection and connection of the transmission mechanism, and the accuracy and reliability of operation are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field especially relates to a novel valve. BACKGROUND

[0002] The corrugated pipe valve is provided with a corrugated pipe on the sealing element of an ordinary valve. Due to the deformation and excellent aging resistance of the corrugated pipe element, the valve completely overcomes the weaknesses of filler aging and temperature difference sensitivity commonly existing in the filler sealing valve. Therefore, it is widely used in the control system of high-purity, toxic, strong corrosive and radioactive special media.

[0003] As China practical new type patent (CN211779348U) discloses electric valve, including valve body, the left side of the top of valve body is fixedly connected with the fixed frame through bolt, the top of fixed frame is fixedly connected with electric actuator through bolt, the periphery of the top of fixed frame is fixedly connected with fixed box, and electric actuator is located in the inner chamber of fixed box. The utility model discloses the cooperation of heating mechanism, prevents the damage of too low air temperature to the electronic element in the electric actuator, so that the electric actuator fails, solves the problem that the traditional electric valve cannot prevent the electric actuator from freezing, through the cooperation of exhaust fan, heat dissipation hole, temperature sensor and display screen, the user observes the temperature in the fixed box through the display screen, if the temperature is too high, the user replaces the hot air in the fixed box through the exhaust fan, so that the inner chamber of fixed box is cooled, to prevent the temperature from being too high, so as to prevent the damage of electric actuator.

[0004] In the use of the above technology, it is found that the existing technology has the following technical problems: the above-mentioned valve will lose control in the case of electric actuator failure or power failure, which will easily lead to medium leakage and affect the safety of pipeline system. Therefore, we design a new type of valve to provide another technical solution for the above technical problems. UTILITY MODEL CONTENTS

[0005] Therefore, it is necessary to provide a new type of valve to solve the above technical problems. Through the design of the transmission mechanism, in the case of motor failure or power failure, the valve can be closed in time through manual operation, so as to prevent medium leakage and ensure the safety of pipeline system. The control assembly can accurately control the disconnection and connection of the transmission mechanism, ensuring the accuracy and reliability of operation.

[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0007] The utility model provides a novel valve, including the valve body, the top of valve body is fixed with the valve cover, the inside of valve cover is connected with the valve rod and slides, the top of valve rod outside is fixed with the limiting plate, the limiting plate is connected with valve cover and slides, the top of valve body is provided with the sealing cover, the sealing cover is located the inside of valve cover, the sealing cover is connected with valve rod and slides, the bottom of valve rod outside is connected with the bellow and slides, the bellow is located the inside of valve body, the bottom of valve rod is fixed with the sealing plate, the sealing plate is located the inside of valve body, the sealing plate is connected with valve body and slides, the bottom of bellow is fixed with the sealing plate, the top of bellow is fixed with the sealing cover, the top of valve cover is fixed with the fixed shell, the top of fixed shell is fixed with the rotary motor, the output of rotary motor is fixed with the transmission mechanism, the transmission mechanism is used for the control of valve, be provided with control assembly on transmission mechanism, control assembly is used for the control of transmission mechanism.

[0008] As a preferred embodiment of the novel valve provided by the utility model, the transmission mechanism comprises an upper transmission rod, a lower transmission rod, a connecting rod, a connecting groove, a spring, a hand wheel and a threaded rod, the output of the rotary motor is fixed with the upper transmission rod, the upper transmission rod is rotatably connected with the fixed shell, the bottom of the upper transmission rod is clamped with the lower transmission rod, the inner side of the lower transmission rod is slidably connected with the connecting rod, two connecting grooves are formed in the outer side of the connecting rod, the lower transmission rod is slidably connected with the connecting rod through the connecting grooves, the top of the connecting rod is fixed with the spring, and the spring is located in the inner side of the lower transmission rod.

[0009] As a preferred embodiment of the novel valve provided by the utility model, the bottom of the connecting rod is fixed with the hand wheel, the hand wheel is rotatably connected with the fixed shell, the bottom of the hand wheel is fixed with the threaded rod, the threaded rod is rotatably connected with the fixed shell, and the threaded rod is threadedly connected with the valve rod.

[0010] As a preferred embodiment of the novel valve provided by the utility model, the control assembly comprises a first connecting plate, a second connecting plate, a worm, a rotating knob, a worm wheel, a rotating rod, a fixed gear and a movable rack, the outer side of the lower transmission rod is rotatably connected with the first connecting plate, one end of the first connecting plate is fixed with the second connecting plate, the second connecting plate is slidably connected with the fixed shell, the inner side of one end of the fixed shell is rotatably connected with the worm, the rotating knob is fixed on one side of the worm and penetrates through the fixed shell, the bottom of the worm is meshingly connected with the worm wheel, the inner side of the worm wheel is fixed with the rotating rod, the rotating rod is rotatably connected with the fixed shell, one end of the outer side of the rotating rod, which is away from the worm wheel, is fixed with the fixed gear, the movable rack is meshingly connected with one side of the fixed gear, the movable rack is slidably connected with the fixed shell, and the movable rack is fixed with the second connecting plate.

[0011] As a preferred embodiment of the novel valve provided by the utility model, an annular groove is formed on the outer side of the lower transmission rod, and the first connecting plate is clamped with the lower transmission rod through the annular groove.

[0012] As a preferred embodiment of the novel valve provided by the utility model, an observation window is arranged on one side of the fixed shell.

[0013] As a preferred embodiment of the novel valve provided by the utility model, a controller is fixed to the end of the fixed shell away from the rotating knob, and the controller is electrically connected with the rotating motor.

[0014] It can be seen without doubt that the above technical scheme of the application can solve the technical problems to be solved by the application.

[0015] Meanwhile, the utility model has at least the following beneficial effects through the above technical scheme:

[0016] The novel valve provided by the utility model can ensure that the valve can be closed in time through manual operation in the case that the rotating motor is disabled or power failure, thereby preventing medium leakage and ensuring the safety of the pipeline system. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced, and obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the premise of the drawings.

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the valve rod and limit plate connecting structure schematic diagram of the utility model;

[0020] Figure 3 It is the rotating motor and upper transmission rod connecting structure schematic diagram of the utility model;

[0021] Figure 4 It is the lower transmission rod and connecting rod connecting structure schematic diagram of the utility model;

[0022] Figure 5 It is the worm and worm wheel connecting structure schematic diagram of the utility model.

[0023] In the figure: 1, valve body; 2, valve cover; 3, valve stem; 4, limit plate; 5, sealing cover; 6, bellows; 7, sealing plate; 8, fixed housing; 9, rotating motor; 10, upper transmission rod; 11, lower transmission rod; 12, connecting rod; 13, connecting groove; 14, spring; 15, hand wheel; 16, threaded rod; 17, annular groove; 18, first connecting plate; 19, second connecting plate; 20, worm; 21, knob; 22, worm gear; 23, rotating rod; 24, fixed gear; 25, movable rack; 26, controller. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model will be further described in detail below in combination with the drawings and examples.

[0025] As described in the background, the above-mentioned valve will lose control in the case of failure of the electric actuator or power failure, thereby easily leading to medium leakage and affecting the safety of the pipeline system.

[0026] In order to solve the technical problem, the utility model provides a novel valve.

[0027] Specifically, please refer to Figures 1-5 A novel valve specifically comprises: a valve body 1, the top of the valve body 1 is fixed with a valve cover 2, the inner side of the valve cover 2 is slidably connected with a valve stem 3, the top end of the outer side of the valve stem 3 is fixed with a limit plate 4, the limit plate 4 is slidably connected with the valve cover 2, the top of the valve body 1 is further provided with a sealing cover 5, the sealing cover 5 is located in the interior of the valve cover 2, the sealing cover 5 is slidably connected with the valve stem 3, the bottom end of the outer side of the valve stem 3 is slidably connected with a bellows 6, the bellows 6 is located in the interior of the valve body 1, the bottom end of the valve stem 3 is fixed with a sealing plate 7, the sealing plate 7 is located in the interior of the valve body 1, the sealing plate 7 is slidably connected with the valve body 1, the bottom of the bellows 6 is fixed with the sealing plate 7, the top of the bellows 6 is fixed with the sealing cover 5, the top of the valve cover 2 is fixed with a fixed housing 8, the top of the fixed housing 8 is fixed with a rotating motor 9, the output end of the rotating motor 9 is fixed with a transmission mechanism, the transmission mechanism is used for controlling the valve, a control assembly is arranged on the transmission mechanism, and the control assembly is used for controlling the transmission mechanism.

[0028] It should be noted that the examples and features and technical solutions in the examples in the utility model can be combined with each other without conflict.

[0029] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0030] Example one

[0031] Referring to Figures 1-4 A new valve, comprising a valve body 1, a valve cover 2 is fixed on the top of the valve body 1, a valve rod 3 is slidingly connected to the inner side of the valve cover 2, a limiting plate 4 is fixed on the top end of the outer side of the valve rod 3, the limiting plate 4 is slidingly connected with the valve cover 2, a sealing cover 5 is further arranged on the top of the valve body 1, the sealing cover 5 is located in the interior of the valve cover 2, the sealing cover 5 is slidingly connected with the valve rod 3, a bellows 6 is slidingly connected to the bottom end of the outer side of the valve rod 3, the bellows 6 is located in the interior of the valve body 1, a sealing plate 7 is fixed on the bottom end of the valve rod 3, the sealing plate 7 is located in the interior of the valve body 1, the sealing plate 7 is slidingly connected with the valve body 1, the bottom of the bellows 6 is fixed with the sealing plate 7, the top of the bellows 6 is fixed with the sealing cover 5, a fixed shell 8 is fixed on the top of the valve cover 2, a rotating motor 9 is fixed on the top of the fixed shell 8, a transmission mechanism is fixed on the output end of the rotating motor 9, the transmission mechanism is used for controlling the valve, a control assembly is arranged on the transmission mechanism, the control assembly is used for controlling the transmission mechanism.

[0032] The transmission mechanism comprises an upper transmission rod 10, a lower transmission rod 11, a connecting rod 12, a connecting groove 13, a spring 14, a hand wheel 15 and a threaded rod 16, the output end of the rotating motor 9 is fixed with the upper transmission rod 10, the upper transmission rod 10 is rotatably connected with the fixed shell 8, the bottom of the upper transmission rod 10 is clamped with the lower transmission rod 11, the inner side of the lower transmission rod 11 is slidingly connected with the connecting rod 12, two connecting grooves 13 are arranged on the outer side of the connecting rod 12, the lower transmission rod 11 is slidingly connected with the connecting rod 12 through the connecting grooves 13, the top of the connecting rod 12 is fixed with the spring 14, the spring 14 is located in the interior of the lower transmission rod 11; the bottom of the connecting rod 12 is fixed with the hand wheel 15, the hand wheel 15 is rotatably connected with the fixed shell 8, the bottom of the hand wheel 15 is fixed with the threaded rod 16, the threaded rod 16 is rotatably connected with the fixed shell 8, the threaded rod 16 is threadedly connected with the valve rod 3;

[0033] Through the design of the transmission mechanism, in the case of failure or power failure of the rotating motor 9, the valve can be closed in time through manual operation, so as to prevent medium leakage and ensure the safety of the pipeline system.

[0034] Embodiment two

[0035] Referring to Figure 1 , Figure 4 and Figure 5The utility model relates to a new type valve, control assembly includes first connecting plate 18, second connecting plate 19, worm 20, knob 21, worm wheel 22, rotating rod 23, fixed gear 24 and movable rack 25, the outside rotation of lower transmission rod 11 is connected with first connecting plate 18, and one end of first connecting plate 18 is fixed with second connecting plate 19, and second connecting plate 19 is slidably connected with fixed shell 8, and the inside rotation of one end of fixed shell 8 is connected with worm 20, and one side of worm 20 penetrates fixed shell 8 and is fixed with knob 21, and the bottom of worm 20 is meshedly connected with worm wheel 22, and the inside of worm wheel 22 is fixed with rotating rod 23, and rotating rod 23 is rotatably connected with fixed shell 8, and the outside of one end of rotating rod 23 away from worm wheel 22 is fixed with fixed gear 24, and one side of fixed gear 24 is meshedly connected with movable rack 25, and movable rack 25 is slidably connected with fixed shell 8, and movable rack 25 is fixed with second connecting plate 19;

[0036] Control assembly can accurately control the disconnection and connection of transmission mechanism, ensure the accuracy and reliability of operation.

[0037] The outside of lower transmission rod 11 is provided with annular groove 17, and first connecting plate 18 is clamped with lower transmission rod 11 through annular groove 17, and the annular groove 17 is set up so that first connecting plate 18 can drive lower transmission rod 11 to move without affecting the rotation of lower transmission rod 11.

[0038] One side of fixed shell 8 is provided with observation window, and the observation window is set up so that upper transmission rod 10 and lower transmission rod 11 can be better re-clamped;The end away from knob 21 of fixed shell 8 is fixed with controller 26, and controller 26 is electrically connected with rotating motor 9, and the remote control of valve can be realized through controller 26, improves the convenience of operation, and the model of controller 26 is FC lower transmission rod 11 C.

[0039] The use process of the novel valve is as follows: when the rotating motor 9 needs to be closed or opened for normal work, the controller 26 sends an electric signal to the rotating motor 9 to start the rotating motor 9, the output end of the rotating motor 9 drives the upper transmission rod 10 to rotate, the upper transmission rod 10 is clamped with the lower transmission rod 11, so that the rotation of the upper transmission rod 10 drives the lower transmission rod 11 to rotate, so that the connecting rod 12 which is slidably connected with the lower transmission rod 11 also rotates, the connecting rod 12 is fixedly connected with the hand wheel 15, so that the threaded rod 16 which is fixedly connected with the hand wheel 15 also rotates, the threaded rod 16 is screwed with the valve rod 3, so that the rotation of the threaded rod 16 drives the valve rod 3 to move upwards, the valve rod 3 is fixedly connected with the sealing plate 7, so that the movement of the valve rod 3 drives the sealing plate 7 to move, so that the valve is adjusted, the outer side of the bottom end of the valve rod 3 is slidably connected with the corrugated pipe 6, the top of the corrugated pipe 6 is fixed with the sealing cover 5, and the bottom of the corrugated pipe 6 is fixed with the sealing plate 7, so that the movement of the valve rod 3 drives the corrugated pipe 6 to shrink;

[0040] When the rotating motor 9 cannot work normally and the valve is in an open state, the rotating knob 21 is rotated, the rotating knob 21 is fixedly connected with the worm 20, the worm 20 is rotatably connected with the fixed shell 8, so that the rotation of the rotating knob 21 drives the worm 20 to rotate, the worm 20 is meshed with the worm wheel 22, so that the rotation of the worm 20 drives the worm wheel 22 to rotate, so that the rotating rod 23 which is fixedly connected with the worm wheel 22 rotates, the rotating rod 23 is fixedly connected with the fixed gear 24, so that the rotation of the rotating rod 23 drives the fixed gear 24 to rotate, the rotating rod 23 is meshed with the movable rack 25, so that the rotation of the fixed gear 24 drives the movable rack 25 to move, the movable rack 25 is fixedly connected with the second connecting plate 19, so that the movement of the movable rack 25 drives the second connecting plate 19 to move, so that the first connecting plate 18 which is fixed with the second connecting plate 19 also moves, the first connecting plate 18 is clamped and rotatably connected with the lower transmission rod 11 through the annular groove 17, and the lower transmission rod 11 is slidably connected with the connecting rod 12 through the connecting groove 13, so that the movement of the first connecting plate 18 drives the lower transmission rod 11 to slide outside the connecting rod 12, at this time, the spring 14 which is fixed with the lower transmission rod 11 is compressed, and the upper transmission rod 10 is not clamped with the lower transmission rod 11;

[0041] At this time, the hand wheel 15 fixed with the connecting rod 12 can rotate, the hand wheel 15 is rotated, thereby making the threaded rod 16 fixed with the hand wheel 15 rotate, and since the threaded rod 16 is screwed with the valve rod 3, thereby making the rotation of the threaded rod 16 drive the valve rod 3 to lift and lower, thereby making the sealing plate 7 fixedly connected with the valve rod 3 move, thereby making the valve normally open and close, when the upper transmission rod 10 and the lower transmission rod 11 need to be re-clamped, the upper transmission rod 10 and the lower transmission rod 11 can be re-clamped by rotating the hand wheel 15 and the rotating knob 21.

[0042] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A new type of valve characterized in that, The utility model provides a valve, including valve body (1), the top of valve body (1) is fixed with valve cover (2), the inside slide connection of valve cover (2) has valve stem (3), the top end fixed with limiting plate (4) on the outside of valve stem (3), limiting plate (4) is connected with valve cover (2) slidingly, the top of valve body (1) is provided with sealing cover (5) still, sealing cover (5) is located inside valve cover (2), sealing cover (5) is connected with valve stem (3) slidingly, the bottom end slide connection has bellows (6) on the outside of valve stem (3), bellows (6) is located inside valve body (1), the bottom end of valve stem (3) is fixed with sealing plate (7), sealing plate (7) is located inside valve body (1), sealing plate (7) is connected with valve body (1) slidingly, the bottom of bellows (6) is fixed with sealing plate (7), the top of bellows (6) is fixed with sealing cover (5), the top of valve cover (2) is fixed with fixed shell (8), the top of fixed shell (8) is fixed with rotary motor (9), the output of rotary motor (9) is fixed with transmission mechanism, transmission mechanism is used for the control of valve, be provided with control assembly on transmission mechanism, control assembly is used for the control of transmission mechanism.

2. A new valve as claimed in claim 1, characterized in that The transmission mechanism includes an upper transmission rod (10), a lower transmission rod (11), a connecting rod (12), a connecting groove (13), a spring (14), a hand wheel (15) and a threaded rod (16), the output of the rotary motor (9) is fixed with the upper transmission rod (10), the upper transmission rod (10) is rotatably connected with the fixed shell (8), the bottom of the upper transmission rod (10) is clamped with the lower transmission rod (11), the inner side of the lower transmission rod (11) is slidably connected with the connecting rod (12), the outer side of the connecting rod (12) is provided with two connecting grooves (13), the lower transmission rod (11) is slidably connected with the connecting rod (12) through the connecting grooves (13), the top of the connecting rod (12) is fixed with the spring (14), and the spring (14) is located in the lower transmission rod (11).

3. A new valve as claimed in claim 2, characterized in that The bottom of the connecting rod (12) is fixed with the hand wheel (15), the hand wheel (15) is rotatably connected with the fixed shell (8), the bottom of the hand wheel (15) is fixed with the threaded rod (16), the threaded rod (16) is rotatably connected with the fixed shell (8), and the threaded rod (16) is threadedly connected with the valve stem (3).

4. A new valve as claimed in claim 2, wherein, Said control assembly includes a first connecting plate (18), a second connecting plate (19), a worm (20), a knob (21), a worm wheel (22), a rotating rod (23), a fixed gear (24) and a moving rack (25), the outer side of the lower transmission rod (11) is rotationally connected with the first connecting plate (18), one end of the first connecting plate (18) is fixedly connected with the second connecting plate (19), the second connecting plate (19) is slidably connected with the fixed shell (8), the inner side of one end of the fixed shell (8) is rotationally connected with the worm (20), one side of the worm (20) penetrates through the fixed shell (8) and is fixedly connected with the knob (21), the bottom of the worm (20) is meshingly connected with the worm wheel (22), the inner side of the worm wheel (22) is fixedly connected with the rotating rod (23), the rotating rod (23) is rotationally connected with the fixed shell (8), the outer side of one end of the rotating rod (23) away from the worm wheel (22) is fixedly connected with the fixed gear (24), one side of the fixed gear (24) is meshingly connected with the moving rack (25), the moving rack (25) is slidably connected with the fixed shell (8), and the moving rack (25) is fixedly connected with the second connecting plate (19).

5. A new valve as claimed in claim 4, characterized in that The outer side of the lower transmission rod (11) is provided with an annular groove (17), and the first connecting plate (18) is clamped with the lower transmission rod (11) through the annular groove (17).

6. A new valve as claimed in claim 1, wherein, One side of the fixed shell (8) is provided with an observation window.

7. A new valve as claimed in claim 1, wherein, One end of the fixed shell (8) away from the knob (21) is fixedly connected with a controller (26), and the controller (26) is electrically connected with the rotating motor (9).

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