Stainless steel ball valve with lubricating function
By designing a lubrication component in the stainless steel ball valve, the problems of valve stem sticking and lubricant forgetting are solved, and the automatic lubrication function is realized to ensure smooth operation of the valve.
Patent Information
- Application Number
- CN202423012529.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-12-06
AI Technical Summary
The valve stem of the stainless steel ball valve may become stuck after long-term use, and the worker may forget to bring lubricant, resulting in the inability to lubricate the valve stem.
A stainless steel ball valve with a lubrication assembly is designed, including a fixed box, a piston, an oil pipe, an oil filling hole, an exhaust hole, a stabilizing assembly and a blocking assembly. The rotating shaft is lubricated by the lubrication assembly to ensure effective delivery of lubricant and prevent overflow.
When the stainless steel ball valve shaft is stuck, it can automatically lubricate, reduce the rotation resistance, and ensure the smooth operation of the valve.
Smart Images

Figure CN223344745U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of stainless steel ball valves, in particular to a stainless steel ball valve with a lubrication function. Background Art
[0002] A stainless steel ball valve is a valve that controls the flow of fluid by rotating the spherical valve core. The valve core rotates around the center line of the valve body to open or close the valve. This type of valve is easy to switch, small in size, and can be made into a large diameter. The sealing surface and the spherical surface are often in a closed state and are not easily eroded by the medium.
[0003] When a stainless steel ball valve is used for a long time, the valve stem may become stuck due to long-term use or lack of maintenance, causing the ball valve to be unable to rotate. It is necessary to check the valve stem and remove dirt or impurities on it, and lubricate the valve stem surface with lubricant to ensure that the valve stem can move smoothly. The problem with the above technology is that the worker cannot tell whether the valve stem is stuck before turning the valve stem, and may forget to bring lubricant and fail to lubricate the valve stem. Utility Model Content
[0004] In view of the problems existing in the prior art, the utility model provides a stainless steel ball valve with a lubrication function, which can overcome the above problems or at least partially solve the above problems.
[0005] The utility model is achieved as follows: a stainless steel ball valve with a lubrication function comprises a stainless steel ball valve and a lubrication assembly, wherein the stainless steel ball valve comprises a valve body, two mounting flanges, two support plates and a rotating shaft, the opposite ends of the two mounting flanges are fixedly connected to the left and right sides of the valve body respectively, the opposite ends of the two support plates are fixedly connected to the front and rear sides of the valve body respectively, the bottom of the rotating shaft is movably connected to the interior of the valve body, the lubrication assembly comprises a fixed box, a piston, a plurality of oil delivery pipes and a plurality of oil drain grooves, the front and rear sides of the fixed box are fixedly connected to the opposite ends of the two support plates respectively, the surface of the rotating shaft is movably connected to the interior of the fixed box, the surface of the piston is movably connected to the interior of the fixed box, the bottoms of the surfaces of the plurality of oil delivery pipes are all fixedly connected to the interior of the piston, the plurality of oil drain grooves are all opened in the interior of the fixed box, and the plurality of oil drain grooves are all located at the bottoms of the plurality of oil delivery pipes;
[0006] The stainless steel ball valve is used to control the flow of liquid;
[0007] The lubrication assembly is used to lubricate the rotating shaft.
[0008] In order to facilitate the filling of lubricant into the interior of the fixed box, preferably, an oil filling hole is opened on the left side of the fixed box, and an exhaust hole is opened on the right side of the fixed box. The top of the piston is fixedly connected to a connecting plate, and the interior of the connecting plate is fixedly connected to the surfaces of multiple oil pipes. A stabilizing component is provided on the top of the connecting plate, and a blocking component is provided on the surface of the fixed box. The lubricant is filled into the interior of the fixed box through the oil filling hole. When the lubricant is filled into the interior of the fixed box, the air inside the fixed box is discharged through the exhaust hole.
[0009] In order to keep multiple oil discharge pipes stable, preferably, the stabilization assembly includes a fixing ring, a connecting ring and multiple stabilization springs, the bottom of the fixing ring is fixedly connected to the top of the connecting plate, the interior of the connecting ring is slidingly connected to the interior of the fixing box, the surfaces of the multiple oil pipes are fixedly connected to the interior of the connecting ring, the sides of the multiple stabilization springs close to the fixing ring are fixedly connected to the interior of the fixing ring, and the sides of the multiple stabilization springs close to the connecting ring are fixedly connected to the surface of the connecting ring, the connecting ring is squeezed by the multiple stabilization springs to keep it stable, and the connecting ring and the connecting plate are used in conjunction to limit the moving direction of the oil pipe and keep it stable.
[0010] In order to prevent the lubricant from overflowing through the oil filling hole and the exhaust hole, preferably, the blocking assembly includes a positioning ring, a baffle and a turntable, the interior of the positioning ring is fixedly connected to the top of the fixed box surface, the interior of the baffle is threadedly connected to the surface of the fixed box, and the interior of the turntable is fixedly connected to the bottom of the baffle surface. The oil filling hole and the exhaust hole are both located inside the baffle, and the baffle is used to block the oil filling hole and the exhaust hole to block the lubricant and prevent the lubricant from overflowing through the oil filling hole and the exhaust hole.
[0011] In order to facilitate the movement of the piston, preferably, the bottom of the piston is fixedly connected to a plurality of pull rods, the surfaces of the plurality of pull rods are slidably connected to the bottom of the fixed box, the bottom of the rotating shaft surface is slidably connected to a pull plate, the top of the pull plate is fixedly connected to the bottom of the plurality of pull rods, and by moving the pull plate downward, the movement of the pull plate drives the plurality of pull rods to move, and the movement of the plurality of pull rods drives the piston downward, thereby squeezing the lubricant into the interior of the plurality of oil pipes.
[0012] In order to prevent the piston and the connecting ring from rotating and offsetting during movement, preferably, the connecting ring is fixedly connected to the inside with multiple limit bars, the surfaces of the multiple limit bars are slidably connected to the inside of the fixed box, and the sides of the multiple limit bars close to the piston are fixedly connected to the inside of the piston. During the movement of the piston, the multiple limit bars are driven to move, and the multiple limit bars slide inside the fixed box to limit the moving direction of the piston and the connecting ring, so that the piston and the connecting ring remain stable during the movement.
[0013] In order to keep the piston stable inside the fixed box, preferably, a plurality of support springs are fixedly connected to the bottom of the piston, and the bottoms of the plurality of support springs are fixedly connected to the bottom inside the fixed box. The piston is supported by the plurality of support springs, thereby keeping the piston stable.
[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0015] The utility model is provided with structural components such as a stainless steel ball valve, a valve body, a mounting flange, a support plate, a rotating shaft and a lubrication component. The stainless steel ball valve is used to control the flow of liquid, the rotating shaft is lubricated by the lubrication component, the oil pipeline is kept stable by the stabilization component, the lubricant is prevented from overflowing through the oil filling hole and the exhaust hole by the blocking component, and the coordinated use of the pull plate and the pull rod facilitates the movement of the piston, thereby achieving the effect of convenient surface lubrication of the rotating shaft of the stainless steel ball valve. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the three-dimensional structure provided by an embodiment of the utility model;
[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the fixing box provided by an embodiment of the utility model;
[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the interior of the baffle provided by an embodiment of the present utility model;
[0019] Figure 4 It is a schematic diagram of the three-dimensional structure inside the fixed box provided by an embodiment of the present utility model.
[0020] In the figure: 1. Stainless steel ball valve; 101. Valve body; 102. Mounting flange; 103. Support plate; 104. Rotating shaft; 2. Lubrication assembly; 201. Fixing box; 202. Piston; 203. Oil pipe; 204. Oil drain tank; 3. Oil filling hole; 4. Exhaust hole; 5. Connecting plate; 6. Stabilizing assembly; 601. Fixing ring; 602. Connecting ring; 603. Stabilizing spring; 7. Blocking assembly; 701. Positioning ring; 702. Baffle; 703. Turntable; 8. Pull rod; 9. Pull plate; 10. Limiting strip; 11. Support spring. DETAILED DESCRIPTION
[0021] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.
[0022] The structure of the present utility model is described in detail below with reference to the accompanying drawings.
[0023] like Figures 1 to 4As shown, a stainless steel ball valve with lubrication function provided by an embodiment of the present invention includes a stainless steel ball valve 1 and a lubrication assembly 2. The stainless steel ball valve 1 includes a valve body 101, two mounting flanges 102, two support plates 103 and a rotating shaft 104. The opposite ends of the two mounting flanges 102 are fixedly connected to the left and right sides of the valve body 101 respectively, and the opposite ends of the two support plates 103 are fixedly connected to the front and back sides of the valve body 101 respectively. The bottom of the rotating shaft 104 is movably connected to the inside of the valve body 101. The lubrication assembly 2 includes a fixed box 201, a piston 202, a plurality of oil delivery pipes 203 and a plurality of oil drain grooves 204. The front and back sides of the fixed box 201 are fixedly connected to the opposite ends of the two support plates 103 respectively. The surface of the rotating shaft 104 is connected to the fixed box 2 01 is movably connected to the inside of the fixed box 201, the surface of the piston 202 is movably connected to the inside of the fixed box 201, the bottoms of the surfaces of the multiple oil pipes 203 are fixedly connected to the inside of the piston 202, and multiple oil drain grooves 204 are opened in the inside of the fixed box 201, and the multiple oil drain grooves 204 are located at the bottoms of the multiple oil pipes 203; the stainless steel ball valve 1 is used to control the flow of liquid; the lubricating component 2 is used to lubricate the rotating shaft 104. In order to facilitate the filling of lubricant into the inside of the fixed box 201, an oil filling hole 3 is opened on the left side of the fixed box 201, and an exhaust hole 4 is opened on the right side of the fixed box 201. The top of the piston 202 is fixedly connected to a connecting plate 5, and the inside of the connecting plate 5 is fixedly connected to the surfaces of the multiple oil pipes 203. The top of the connecting plate 5 is set There is a stabilizing component 6, and a blocking component 7 is provided on the surface of the fixed box 201. The lubricant is filled into the interior of the fixed box 201 through the oil filling hole 3. When the lubricant is filled into the interior of the fixed box 201, the air inside the fixed box 201 is discharged through the exhaust hole 4. In order to keep the multiple oil discharge pipes stable, the stabilizing component 6 includes a fixing ring 601, a connecting ring 602 and a plurality of stabilizing springs 603. The bottom of the fixing ring 601 is fixedly connected to the top of the connecting plate 5, and the interior of the connecting ring 602 is slidably connected to the interior of the fixed box 201. The surfaces of the multiple oil delivery pipes 203 are all fixedly connected to the interior of the connecting ring 602, and the sides of the multiple stabilizing springs 603 close to the fixing ring 601 are all fixedly connected to the interior of the fixing ring 601. The side close to the connecting ring 602 is fixedly connected to the surface of the connecting ring 602. The connecting ring 602 is squeezed by multiple stabilizing springs 603 to keep the connecting ring 602 stable. The connecting ring 602 and the connecting plate 5 are used in conjunction with each other to limit the movement direction of the oil pipe 203 and keep the oil pipe 203 stable. In order to prevent the lubricant from overflowing through the oil filling hole 3 and the exhaust hole 4, the blocking assembly 7 includes a positioning ring 701, a baffle 702 and a rotating disk 703. The interior of the positioning ring 701 is fixedly connected to the top of the surface of the fixed box 201, the interior of the baffle 702 is threadedly connected to the surface of the fixed box 201, and the interior of the rotating disk 703 is fixedly connected to the bottom of the surface of the baffle 702. The oil filling hole 3 and the exhaust hole 4 are both located inside the baffle 702.The oil filling hole 3 and the exhaust hole 4 are blocked by the baffle 702 to block the lubricant and prevent the lubricant from overflowing through the oil filling hole 3 and the exhaust hole 4. In order to facilitate the movement of the piston 202, the bottom of the piston 202 is fixedly connected to a plurality of pull rods 8, and the surfaces of the plurality of pull rods 8 are all slidably connected to the bottom of the fixed box 201. The bottom of the rotating shaft 104 surface is slidably connected to a pull plate 9, and the top of the pull plate 9 is fixedly connected to the bottom of the plurality of pull rods 8. By moving the pull plate 9 downward, the pull plate 9 drives the plurality of pull rods 8 to move during the movement, and the movement of the plurality of pull rods 8 drives the piston 202 downward, thereby squeezing the lubricant into the interior of the plurality of oil pipes 203. In order to prevent the piston 202 and the connecting ring 602 from rotating and deviating during the movement, the interior of the connecting ring 602 is fixedly connected It is connected to multiple limit bars 10, and the surfaces of the multiple limit bars 10 are all slidably connected to the interior of the fixed box 201. The sides of the multiple limit bars 10 close to the piston 202 are all fixedly connected to the interior of the piston 202. During the movement of the piston 202, the multiple limit bars 10 are driven to move. The multiple limit bars 10 all slide inside the fixed box 201, limiting the movement direction of the piston 202 and the connecting ring 602, so that the piston 202 and the connecting ring 602 remain stable during the movement. In order to keep the piston 202 stable inside the fixed box 201, the bottom of the piston 202 is fixedly connected to multiple support springs 11. The bottoms of the multiple support springs 11 are all fixedly connected to the bottom of the fixed box 201. The multiple support springs 11 support the piston 202, thereby keeping the piston 202 stable.
[0024] The working principle of this utility model:
[0025] When the rotating shaft 104 of the stainless steel ball valve 1 is stuck and cannot rotate, the pull plate 9 is moved downward. During the movement of the pull plate 9, the multiple pull rods 8 are driven to move. During the movement of the multiple pull rods 8, the piston 202 is driven to move downward, thereby squeezing the lubricant into the interior of the multiple oil pipes 203. During the movement of the piston 202, the multiple oil pipes 203 are driven to move downward. After the multiple oil pipes 203 move downward and are aligned with the multiple oil drain grooves 204, the lubricant is discharged to the surface of the rotating shaft 104 through the multiple oil drain grooves 204. The lubricant slides downward through the surface of the rotating shaft 104 into the connection between the rotating shaft 104 and the valve body 101, lubricating the rotating shaft 104, thereby reducing the resistance to the rotation of the rotating shaft 104.
[0026] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0027] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with this patent will not depart from the scope of the technical solution of the present invention.
Claims
1. A stainless steel ball valve with lubrication function, comprising a stainless steel ball valve (1) and a lubrication assembly (2), characterized in that: The stainless steel ball valve (1) comprises a valve body (101), two mounting flanges (102), two support plates (103) and a rotating shaft (104), wherein the opposite ends of the two mounting flanges (102) are fixedly connected to the left and right sides of the valve body (101), respectively, and the opposite ends of the two support plates (103) are fixedly connected to the front and back sides of the valve body (101), respectively. The bottom of the rotating shaft (104) is movably connected to the inside of the valve body (101), and the lubrication assembly (2) comprises a fixed box (201), a piston (202), a plurality of oil delivery pipes (203) and a plurality of discharge pipes (204). An oil groove (204), the front and rear sides of the fixed box (201) are fixedly connected to the opposite ends of the two support plates (103), the surface of the rotating shaft (104) is movably connected to the interior of the fixed box (201), the surface of the piston (202) is movably connected to the interior of the fixed box (201), the bottoms of the surfaces of the plurality of oil delivery pipes (203) are all fixedly connected to the interior of the piston (202), the plurality of oil drain grooves (204) are all opened inside the fixed box (201), and the plurality of oil drain grooves (204) are all located at the bottoms of the plurality of oil delivery pipes (203); The stainless steel ball valve (1) is used to control the flow of liquid; The lubrication assembly (2) is used to lubricate the rotating shaft (104).
2. A stainless steel ball valve with lubrication function as claimed in claim 1, characterized in that: An oil filling hole (3) is provided on the left side of the fixed box (201), an exhaust hole (4) is provided on the right side of the fixed box (201), a connecting plate (5) is fixedly connected to the top of the piston (202), the interior of the connecting plate (5) is fixedly connected to the surfaces of a plurality of oil delivery pipes (203), a stabilizing component (6) is provided on the top of the connecting plate (5), and a blocking component (7) is provided on the surface of the fixed box (201).
3. A stainless steel ball valve with lubrication function as claimed in claim 2, characterized in that: The stabilizing assembly (6) comprises a fixing ring (601), a connecting ring (602) and a plurality of stabilizing springs (603). The bottom of the fixing ring (601) is fixedly connected to the top of the connecting plate (5). The interior of the connecting ring (602) is slidably connected to the interior of the fixing box (201). The surfaces of the plurality of oil delivery pipes (203) are fixedly connected to the interior of the connecting ring (602). The sides of the plurality of stabilizing springs (603) close to the fixing ring (601) are fixedly connected to the interior of the fixing ring (601). The sides of the plurality of stabilizing springs (603) close to the connecting ring (602) are fixedly connected to the surface of the connecting ring (602).
4. A stainless steel ball valve with lubrication function as claimed in claim 2, characterized in that: The blocking assembly (7) comprises a positioning ring (701), a baffle (702) and a rotating disk (703); the interior of the positioning ring (701) is fixedly connected to the top of the surface of the fixing box (201); the interior of the baffle (702) is threadedly connected to the surface of the fixing box (201); the interior of the rotating disk (703) is fixedly connected to the bottom of the surface of the baffle (702); and the oil filling hole (3) and the exhaust hole (4) are both located inside the baffle (702).
5. The stainless steel ball valve with lubrication function according to claim 1, characterized in that: The bottom of the piston (202) is fixedly connected to a plurality of pull rods (8), and the surfaces of the plurality of pull rods (8) are all slidably connected to the bottom of the fixed box (201). The bottom of the surface of the rotating shaft (104) is slidably connected to a pull plate (9), and the top of the pull plate (9) is fixedly connected to the bottom of the plurality of pull rods (8).
6. The stainless steel ball valve with lubrication function according to claim 3, characterized in that: The connection ring (602) is internally fixedly connected to a plurality of limit strips (10), the surfaces of the plurality of limit strips (10) are all slidably connected to the interior of the fixed box (201), and the sides of the plurality of limit strips (10) close to the piston (202) are all fixedly connected to the interior of the piston (202).
7. The stainless steel ball valve with lubrication function according to claim 1, characterized in that: The bottom of the piston (202) is fixedly connected to a plurality of support springs (11), and the bottoms of the plurality of support springs (11) are all fixedly connected to the bottom inside the fixed box (201).