Valve power assisting device of boiler high-temperature steam-water sampling device

Abstract

The utility model provides a valve power assisting device of a boiler high-temperature steam-water sampling device, and belongs to the technical field of valve power assisting devices. The valve power assisting device of the boiler high-temperature steam-water sampling device comprises a valve body, a valve rod is rotationally connected to the outer wall of the valve body, a linear handle is arranged at one end of the valve rod, clamping mechanisms are arranged at the two ends of the linear handle correspondingly, and the outer walls of the two clamping mechanisms are sleeved with connecting rod assemblies correspondingly; a power-assisted handle is installed at one ends of the two connecting rod assemblies and comprises an outer ring, an inner ring, a plurality of shifting rods and arc-shaped rubber strips, the shifting rods are connected into the outer ring, one ends of the shifting rods are connected with the outer wall of the inner ring, the inner ring and the outer ring are located at the same circle center, and the arc-shaped rubber strips are arranged on the inner ring. Arc-shaped rubber strips are adhered to the two sides of the outer walls of the shifting rods respectively, the linear handle comprises a cross rod and holes, and the holes are formed in the two ends of the cross rod respectively.

Description

Technical Field

[0001] The utility model relates to the technical field of valve booster devices, in particular to a valve booster device of a boiler high-temperature steam-water sampling device. Background Art

[0002] In the sampling and testing work of power plants, the boiler water quality index is a very important key link. However, after the boiler sample water is cooled by the cooler and flows to the sampling device, it is often difficult to meet the water temperature requirements for normal testing.

[0003] The soda sampling device needs to be discharged every day, and the valve is easily stuck due to scale. The sampling device is generally installed with a straight valve. When the valve is opened, the valve is often at a temperature that the human body cannot touch, which can easily cause burns to the sampler. The use of scald-proof gloves is difficult to control due to the shape of the straight valve, which is not conducive to force operation.

[0004] In view of this, it is necessary to propose a valve booster device for a boiler high-temperature steam-water sampling device to solve or at least alleviate the above-mentioned defects. Utility Model Content

[0005] In order to solve the problem that valves in existing boiler equipment are prone to scalding when opening and closing, the utility model provides a valve booster device for a boiler high-temperature steam-water sampling device.

[0006] To achieve the above-mentioned purpose, the utility model provides a valve assisting device for a boiler high-temperature steam-water sampling device, comprising a valve body, the outer wall of the valve body being rotatably connected to a valve stem, one end of the valve stem being provided with a straight handle, both ends of the straight handle being provided with clamping mechanisms, the outer walls of the two clamping mechanisms being respectively sleeved with connecting rod assemblies, one end of the two connecting rod assemblies being provided with an assisting handle, the assisting handle comprising an outer ring, an inner ring, a plurality of levers and an arc-shaped rubber strip, the interior of the outer ring being connected to a plurality of the levers, one end of the plurality of the levers being connected to the outer wall of the inner ring, the inner ring and the outer ring being at the same center of a circle, and arc-shaped rubber strips being adhered to both sides of the outer walls of the plurality of the levers.

[0007] Furthermore, the straight-shaped handle includes a crossbar and holes, and holes are respectively provided at both ends of the crossbar.

[0008] The beneficial effect of adopting the above further solution is that, through the provision of the holes, the two ends of the crossbar can be docked with the plug piles, thereby facilitating the fixing of the clamping mechanism on the two ends of the straight handle.

[0009] Furthermore, the clamping mechanism includes an outer tube, an inner rod, a limit block, a push rod, a plug, a pull ring and a spring. The inner part of the outer tube is slidably connected to the limit block, and the two sides of the limit block are respectively connected to the inner rod and the push rod.

[0010] The beneficial effect of adopting the above further solution is that, through the connection and use of the limit block, the inner rod drives the push rod to move synchronously.

[0011] Furthermore, one end of the push rod extends to the outside of the outer tube and is provided with a groove, and a plug that is engaged with the hole is installed inside the groove, and the inner wall of the groove is matched with the two ends of the cross bar.

[0012] The beneficial effect of adopting the above further solution is that, through the coordinated use of the groove and the cross bar, the push rod and the cross bar are precisely connected.

[0013] Furthermore, a spring is sleeved on the outer wall of the inner rod, and one end of the spring is in contact with one side of the limit block.

[0014] The beneficial effect of adopting the above further solution is that, through the sleeve use of the spring, the limit block is subjected to elastic force in real time, thereby pushing the push rod to always keep close contact with the outer wall of the cross bar.

[0015] Furthermore, one end of the inner rod extends to the outside of the outer tube and is connected to one end of the pull ring.

[0016] The beneficial effect of adopting the above further solution is that, through the connection use of the pull ring, the inner rod can move synchronously with the pull ring.

[0017] Furthermore, the connecting rod assembly includes a rod, a fixing seat and a through hole, one end of the rod is connected to the fixing seat, one side of the fixing seat is provided with a through hole, and the inside of the through hole is sleeve-connected to the outer wall of the outer cylinder.

[0018] The beneficial effect of adopting the above further solution is that the fixing seat and the outer cylinder can be connected in a sleeve manner through the perforation arrangement.

[0019] Furthermore, the inner ring and the valve stem are located on the same axial line.

[0020] The beneficial effect of adopting the above further solution is that by utilizing the positional relationship between the inner ring and the valve stem, the power-assisting handle can drive the straight-shaped handle to rotate stably.

[0021] The beneficial effects of the utility model are:

[0022] The present application provides a valve assist device for a high-temperature steam-water sampling device for a boiler. Through the coordinated use of a clamping mechanism, a connecting rod assembly and a power assist handle, the valve is more convenient to open and close, and the occurrence of scalding accidents is effectively reduced. The clamping mechanism fixes the I-shaped handle so that the connecting rod assembly can simultaneously apply a rotational torque at both ends of the I-shaped handle, thereby improving the stability of the valve stem movement on the valve body. Then, by shifting the lever between the outer ring and the inner ring, the outer ring drives the two groups of connecting rod assemblies to rotate in a circle. Through such transmission, the operating part is kept away from the valve body, thereby improving the safety of use. At the same time, the adhesion of the arc-shaped rubber strip is helpful to reduce the bump damage caused by the power assist handle during the rotation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 A schematic diagram of the assembly of a valve booster device for a boiler high-temperature steam-water sampling device provided by the utility model;

[0025] Figure 2 A schematic diagram of the development of a valve booster device for a boiler high-temperature steam-water sampling device provided by the utility model;

[0026] Figure 3 A cross-sectional view of a clamping mechanism of a valve booster device of a boiler high-temperature steam-water sampling device provided by the utility model;

[0027] Figure 4 A schematic diagram of a connecting rod assembly of a valve booster device of a boiler high-temperature steam-water sampling device provided by the utility model;

[0028] Figure 5 A schematic diagram of a booster handle of a valve booster device of a boiler high-temperature steam-water sampling device provided by the utility model.

[0029] In the figure: 100, valve body; 200, straight handle; 2001, crossbar; 2002, hole; 300, clamping mechanism; 3001, outer tube; 3002, inner rod; 3003, limit block; 3004, push rod; 3005, plug; 3006, pull ring; 3007, spring; 400, connecting rod assembly; 4001, rod; 4002, fixing seat; 4003, perforation; 500, power handle; 5001, outer ring; 5002, inner ring; 5003, lever; 5004, arc-shaped rubber strip. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0032] Embodiment 1

[0033] See also Figure 1-Figure 5 The utility model provides a technical solution: a valve booster device for a boiler high-temperature steam-water sampling device, comprising a valve body 100, the outer wall of the valve body 100 is rotatably connected to a valve stem, one end of the valve stem is provided with a straight handle 200, both ends of the straight handle 200 are respectively provided with clamping mechanisms 300, the outer walls of the two clamping mechanisms 300 are respectively sleeved with connecting rod assemblies 400, one end of the two connecting rod assemblies 400 is installed with a booster handle 500, the booster handle 500 comprises an outer ring 5001, an inner ring 5002, and a plurality of arc-shaped rubber strips 5004, the inner part of the outer ring 5001 is connected to a plurality of levers 5003, one end of the plurality of levers 5003 is connected to the outer surface of the inner ring 5002 The inner ring 5002 and the outer ring 5001 are connected to each other by the wall, and the inner ring 5002 and the outer ring 5001 are at the same center of the circle. The arc-shaped rubber strips 5004 are respectively adhered to the outer walls of the plurality of levers 5003. Through the fixing effect of the clamping mechanism 300 on the I-shaped handle 200, the connecting rod assembly 400 can synchronously apply a rotational torque to both ends of the I-shaped handle 200, thereby improving the stability of the valve stem movement on the valve body 100. Then, by shifting the lever 5003 between the outer ring 5001 and the inner ring 5002, the outer ring 5001 drives the two groups of connecting rod assemblies 400 to rotate in a circle. At the same time, the adhesion of the arc-shaped rubber strips 5004 is helpful to reduce the bump damage caused by the power-assisting handle 500 during the rotation process.

[0034] Embodiment 2

[0035] See also Figure 1-Figure 5As an embodiment of the present invention, further, the I-shaped handle 200 includes a cross bar 2001 and a hole 2002, and the two ends of the cross bar 2001 are respectively provided with holes 2002. Through the setting of the holes 2002, the two ends of the cross bar 2001 can be docked with the plugging pile 3005, so that the clamping mechanism 300 is conveniently fixed on the two ends of the I-shaped handle 200. The clamping mechanism 300 includes an outer tube 3001, an inner rod 3002, a limit block 3003, a push rod 3004, a plugging pile 3005, a pull ring 3006 and a spring 3007. The inner part of the outer tube 3001 is slidably connected to the limit block 3003, and the two sides of the limit block 3003 are respectively connected to the inner rod 3002 and the push rod 3004. The inner rod 3002 is used in conjunction with the push rod 3004 to carry out synchronous activities. One end of the push rod 3004 extends to the outside of the outer cylinder 3001 and is provided with a groove. The inside of the groove is provided with a plug 3005 that is engaged with the hole 2002. The inner wall of the groove matches the two ends of the cross bar 2001. Through the coordinated use of the groove and the cross bar 2001, the push rod 3004 and the cross bar 2001 are precisely connected. A spring 3007 is sleeved on the outer wall of the inner rod 3002. One end of the spring 3007 is fitted with one side of the limit block 3003. Through the sleeve use of the spring 3007, the limit block 3003 is subjected to elastic force in real time, thereby pushing the push rod 3004 to always keep in close contact with the outer wall of the cross bar 2001.

[0036] Embodiment 3

[0037] See also Figure 1 - Figure 5 As an embodiment of the present invention, further, one end of the inner rod 3002 extends to the outside of the outer tube 3001 and is connected to one end of the pull ring 3006. Through the connection and use of the pull ring 3006, the inner rod 3002 can follow the pull ring 3006 to move synchronously. The connecting rod assembly 400 includes a rod 4001, a fixed seat 4002 and a through hole 4003. One end of the rod 4001 is connected to the fixed seat 4002. A through hole 4003 is arranged on one side of the fixed seat 4002. The inside of the through hole 4003 is connected to the outer wall of the outer tube 3001. Through the arrangement of the through hole 4003, the fixed seat 4002 and the outer tube 3001 can be connected in a set manner. The inner ring 5002 and the valve stem are on the same axial line. By utilizing the positional relationship between the inner ring 5002 and the valve stem, it is convenient for the power-assisting handle 500 to drive the straight-shaped handle 200 to rotate stably.

[0038] Specifically, the working principle of the valve assist device of the boiler high-temperature steam-water sampling device is as follows: when in use, first, check whether the structure of the device is intact. After ensuring that the structure is intact, put it into use. Pull the two pull rings 3006 so that the two pull rings 3006 respectively drive the inner rod 3002 to move outward, and cooperate with the connection of the limit block 3003 so that the inner rod 3002 drives the push rod 3004 to move synchronously, and then the push rod 3004 and the cross bar 2001 are used in coordination through the groove and the cross bar 2001 to form a precise docking with each other. Secondly, through the sleeve use of the spring 3007, the limit block 3003 is subjected to the elastic force in real time, thereby pushing the push rod 3004 to always maintain contact with the cross bar. The outer wall of 2001 remains in close contact, and the clamping mechanism 300 fixes the I-shaped handle 200, so that the connecting rod assembly 400 can synchronously apply rotational torque at both ends of the I-shaped handle 200, thereby improving the stability of the valve stem movement on the valve body 100, and then by moving the lever 5003 between the outer ring 5001 and the inner ring 5002, the outer ring 5001 drives the two groups of connecting rod assemblies 400 to rotate in a circle. At the same time, the adhesion of the arc-shaped rubber strip 5004 is helpful to reduce the bump damage caused by the power-assisting handle 500 during the rotation process, and by utilizing the positional relationship between the inner ring 5002 and the valve stem, it is convenient for the power-assisting handle 500 to drive the I-shaped handle 200 to rotate stably.

[0039] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A valve booster device for a boiler high-temperature steam-water sampling device, comprising a valve body (100), characterized in that: The outer wall of the valve body (100) is rotatably connected to a valve stem, one end of the valve stem is provided with a straight handle (200), both ends of the straight handle (200) are provided with clamping mechanisms (300), the outer walls of the two clamping mechanisms (300) are respectively sleeved with connecting rod assemblies (400), one end of the two connecting rod assemblies (400) is installed with a power-assisting handle (500), the power-assisting handle (500) comprises an outer ring (5001), an inner ring (5002), a plurality of levers (5003) and an arc-shaped rubber strip (5004), the interior of the outer ring (5001) is connected to a plurality of levers (5003), one end of the plurality of levers (5003) is connected to the outer wall of the inner ring (5002), the inner ring (5002) and the outer ring (5001) are at the same center of a circle, and arc-shaped rubber strips (5004) are respectively adhered to both sides of the outer walls of the plurality of levers (5003).

2. The valve booster device for the boiler high-temperature steam-water sampling device according to claim 1 is characterized in that: The straight-shaped handle (200) comprises a crossbar (2001) and a hole (2002), and the holes (2002) are respectively provided at both ends of the crossbar (2001).

3. The valve booster device for the boiler high-temperature steam-water sampling device according to claim 2 is characterized in that: The clamping mechanism (300) comprises an outer cylinder (3001), an inner rod (3002), a limit block (3003), a push rod (3004), a plug (3005), a pull ring (3006) and a spring (3007); the inner part of the outer cylinder (3001) is slidably connected to the limit block (3003); and the two sides of the limit block (3003) are respectively connected to the inner rod (3002) and the push rod (3004).

4. The valve booster device for the boiler high-temperature steam-water sampling device according to claim 3 is characterized in that: One end of the push rod (3004) extends to the outside of the outer cylinder (3001) and is provided with a groove, and a plug (3005) is installed inside the groove and is engaged with the hole (2002). The inner wall of the groove is mutually matched with the two ends of the cross bar (2001).

5. The valve booster device for the boiler high-temperature steam-water sampling device according to claim 4 is characterized in that: A spring (3007) is sleeved on the outer wall of the inner rod (3002), and one end of the spring (3007) is in contact with one side of the limit block (3003).

6. The valve booster device for the boiler high-temperature steam-water sampling device according to claim 5, characterized in that: One end of the inner rod (3002) extends to the outside of the outer tube (3001) and is connected to one end of the pull ring (3006).

7. The valve booster device for the boiler high-temperature steam-water sampling device according to claim 3 is characterized in that: The connecting rod assembly (400) comprises a rod (4001), a fixing seat (4002) and a through hole (4003), one end of the rod (4001) is connected to the fixing seat (4002), one side of the fixing seat (4002) is provided with a through hole (4003), and the inside of the through hole (4003) is connected to the outer wall of the outer cylinder (3001) in a sleeve manner.

8. The valve booster device for the boiler high-temperature steam-water sampling device according to claim 1, characterized in that: The inner ring (5002) and the valve stem are located on the same axial line.

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