Self-sealing high-strength rubber valve element

Abstract

The utility model provides a self-sealing high-strength rubber valve core, which relates to the technical field of rubber valve cores and comprises a fixing ring, a rubber valve core and a connecting rod, a valve rod is fixed on the connecting rod through a connecting mechanism, a fixing mechanism is arranged between the rubber valve core and the fixing ring, and a threaded surface is arranged at the bottom of the fixing ring. The rubber valve element is placed in the fixing ring, then the sealing ring is placed in the fixing ring, the inner edge is arranged in the fixing ring and plays a role in supporting the sealing ring, the sealing ring can improve the sealing performance between the fixing ring and the top cover, and then the top cover covers the top of the fixing ring. At the moment, the clamping block is clamped in the clamping groove, the top cover is fixed to the top of the fixing ring, the connecting rod penetrates out of the interior of the top cover, the top cover and the connecting rod can increase the connection between the rubber valve element and the fixing ring, and the strength of the rubber valve element in the valve body is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber valve cores, in particular to a self-sealing high-strength rubber valve core. Background Art

[0002] A valve core is a valve part that enables a valve body to achieve basic functions such as direction control, pressure control, or flow control through its movement. A rubber valve core is a valve control component made of rubber material, and its main functions are to control the flow direction, flow rate, and pressure of a fluid. It realizes the opening, closing, and regulating functions of the valve through its own deformation and sealing performance;

[0003] Common rubber materials for rubber valve cores include neoprene, nitrile rubber, natural rubber, etc. These materials have good elasticity and corrosion resistance, and can adapt to harsh environments such as acids, alkalis, corrosive media, and high temperatures. Most valve cores are embedded and installed in the valve body, making it impossible to replace the valve core. At the same time, it is rather troublesome to disassemble and assemble some valve cores with disassembly structures when replacing the sphere. Therefore, the utility model proposes a self-sealing high-strength rubber valve core to solve the above problems. Summary of the Utility Model

[0004] In view of the above problems, the utility model proposes a self-sealing high-strength rubber valve core to solve the problem that most valve cores in the prior art are embedded and installed in the valve body and cannot be replaced.

[0005] To achieve the purpose of the utility model, the utility model is realized through the following technical solutions: A self-sealing high-strength rubber valve core, comprising a fixing ring, a rubber valve core, and a connecting rod. The rubber valve core is arranged inside the fixing ring. The top of the rubber valve core is fixedly connected with a connecting rod. The connecting rod is fixed with a valve rod through a connecting mechanism. A fixing mechanism is arranged between the rubber valve core and the fixing ring. The bottom of the fixing ring is provided with a threaded surface.

[0006] Further improvement lies in that: The fixing mechanism includes a sealing ring, a top cover, a clamping block, and a clamping groove. The sealing ring is arranged inside the fixing ring. The clamping groove is arranged at the top of the fixing ring. The top cover is arranged at the top of the fixing ring. The outer side of the top cover is fixedly connected with a clamping block. The top cover is snap-fitted with the clamping groove through the clamping block.

[0007] Further improvement lies in that: A connecting frame is arranged at the bottom end of the connecting rod. The bottom end of the connecting rod is fixedly connected with the rubber valve core through the connecting frame. The structure of the connecting frame is cross-shaped.

[0008] A further improvement lies in that: the connecting mechanism includes a connecting sleeve, a threaded hole and a second bolt. The top end of the connecting rod is fixedly connected with the connecting sleeve, the bottom end of the valve rod is fixedly connected with the second bolt, the top end of the connecting sleeve is provided with a threaded hole, and the outer wall of the second bolt is threadedly connected with the inner wall of the threaded hole.

[0009] A further improvement lies in that: jacking holes are provided inside both the second bolt and the connecting sleeve, an inserting rod is inserted inside the jacking hole, and the top end of the connecting rod penetrates out of the inside of the top cover.

[0010] A further improvement lies in that: the top end of the valve rod is fixedly connected with a first bolt, a handwheel is sleeved outside the first bolt, a nut is threadedly connected to the top end of the first bolt, and a silica gel sleeve is provided outside the handwheel.

[0011] A further improvement lies in that: a fixing plate is threadedly connected to the outside of the valve rod, a plurality of mounting holes are equidistantly provided on the outside of the fixing plate, and connecting bolts are provided inside the mounting holes.

[0012] The beneficial effects of the present utility model are as follows: Place the rubber valve core into the inside of the fixing ring, then place the sealing ring into the inside of the fixing ring. There is an inner edge inside the fixing ring, and the inner edge plays a supporting role for the sealing ring. The sealing ring can improve the sealing performance between the fixing ring and the top cover. Then cover the top cover on the top of the fixing ring, and at this time, the clamping block is clamped inside the clamping groove, and the top cover is fixed on the top of the fixing ring. The connecting rod penetrates out of the inside of the top cover. The top cover and the connecting rod can increase the connection between the rubber valve core and the fixing ring, making the strength of the rubber valve core higher inside the valve body. Description of the Drawings

[0013] Figure 1 It is the front view of the present utility model;

[0014] Figure 2 It is the assembly schematic diagram of the present utility model;

[0015] Figure 3 It is the connection schematic diagram of the valve rod of the present utility model.

[0016] Among them: 1. Fixing ring; 2. Rubber valve core; 3. Connecting rod; 4. Valve rod; 5. Sealing ring; 6. Top cover; 7. Clamping block; 8. Clamping groove; 9. Threaded surface; 10. Connecting sleeve; 11. First bolt; 12. Threaded hole; 13. Second bolt; 14. Jacking hole; 15. Inserting rod; 16. Fixing plate. Specific Embodiment

[0017] In order to deepen the understanding of the present utility model, the following will further elaborate on the present utility model in combination with embodiments. These embodiments are only used to explain the present utility model and do not constitute a limitation on the protection scope of the present utility model.

[0018] According to Figure 1 、 2 As shown in Figure 3, in this embodiment, a self-sealing high-strength rubber valve core is proposed, which includes a fixing ring 1, a rubber valve core 2 and a connecting rod 3. The rubber valve core 2 is arranged inside the fixing ring 1. The top of the rubber valve core 2 is fixedly connected with a connecting rod 3. The connecting rod 3 is fixedly provided with a valve rod 4 through a connecting mechanism. A fixing mechanism is arranged between the rubber valve core 2 and the fixing ring 1. The bottom of the fixing ring 1 is provided with a threaded surface 9. The fixing ring 1 is screwed into the inside of the valve body through the threaded surface 9. Then, the rubber valve core 2 is placed into the inside of the fixing ring 1. The fixing ring 1 plays a role in positioning the rubber valve core 2 inside the valve body. After that, the rubber valve core 2 is completely fixed inside the fixing ring 1 through the fixing mechanism. The connecting rod 3 and the valve rod 4 are together through the connecting mechanism. The valve rod 4 can drive the rubber valve core 2 to move inside the valve body to control whether the flow inside the valve body is unblocked.

[0019] The fixing mechanism includes a sealing ring 5, a top cover 6, a clamping block 7 and a clamping groove 8. The sealing ring 5 is arranged inside the fixing ring 1. The clamping groove 8 is arranged at the top of the fixing ring 1. The top cover 6 is arranged at the top of the fixing ring 1. The outer side of the top cover 6 is fixedly connected with a clamping block 7. The top cover 6 is clamped and connected with the clamping groove 8 through the clamping block 7. The rubber valve core 2 is placed into the inside of the fixing ring 1. Then, the sealing ring 5 is placed into the inside of the fixing ring 1. There is an inner edge inside the fixing ring 1, and the inner edge plays a supporting role for the sealing ring 5. The sealing ring 5 can improve the sealing performance between the fixing ring 1 and the top cover 6. Then, the top cover 6 is covered on the top of the fixing ring 1, and at this time, the clamping block 7 is clamped inside the clamping groove 8. The top cover 6 is fixed on the top of the fixing ring 1, and the connecting rod 3 penetrates through the inside of the top cover 6. The top cover 6 and the connecting rod 3 can increase the connection between the rubber valve core 2 and the fixing ring 1, making the rubber valve core 2 stronger inside the valve body.

[0020] A connecting frame is arranged at the bottom end of the connecting rod 3. The bottom end of the connecting rod 3 is fixedly connected with the rubber valve core 2 through the connecting frame. The structure of the connecting frame is cross-shaped.

[0021] The connecting mechanism includes a connecting sleeve 10, a threaded hole 12 and a second bolt 13. The top end of the connecting rod 3 is fixedly connected with a connecting sleeve 10. The bottom end of the valve rod 4 is fixedly connected with a second bolt 13. The threaded hole 12 is arranged at the top end of the connecting sleeve 10. The outer wall of the second bolt 13 is in threaded connection with the inner wall of the threaded hole 12.

[0022] Insertion holes 14 are arranged inside both the second bolt 13 and the connecting sleeve 10. An insertion rod 15 is inserted into the insertion holes 14. The top end of the connecting rod 3 penetrates through the inside of the top cover 6.

[0023] After aligning the second bolt 13 with the threaded hole 12, screw the second bolt 13 into the threaded hole 12. When all the tooth profiles of the second bolt 13 and the threaded hole 12 are aligned, the second bolt 13 is aligned with the jack 14 on the connecting sleeve 10. Insert the inserting rod 15 into the jack 14. At this time, the connecting sleeve 10 and the valve stem 4 are completely fixed together, so that the rubber valve core 2 is connected to the valve stem 4 through the connecting rod 3.

[0024] A first bolt 11 is fixedly connected to the top end of the valve stem 4. A handwheel is sleeved on the outer side of the first bolt 11. A nut is threadedly connected to the top end of the first bolt 11. A silica gel sleeve is arranged on the outer side of the handwheel. Sleeve the handwheel on the outer side of the first bolt 11, and then tighten the nut on the top end of the first bolt 11 to fix the handwheel to the top end of the valve stem 4, and use the handwheel to drive the valve stem 4 to rotate.

[0025] A fixed disk 16 is threadedly connected to the outer side of the valve stem 4. A plurality of mounting holes are equidistantly arranged on the outer side of the fixed disk 16. Connecting bolts are arranged inside the mounting holes. After installing the fixing ring 1 and the rubber valve core 2 on the valve body, the fixed disk 16 is located on the top of the valve body. The mounting holes on the fixed disk 16 are aligned with the mounting holes on the top of the valve body. After screwing the connecting bolts into the mounting holes, the valve stem 4 is fixed to the valve body. The valve stem 4 is threadedly connected to the fixed disk 16. When the handwheel drives the valve stem 4 to rotate, it drives the rubber valve core 2 to slide up and down inside the valve body to control whether the flow inside the valve body is flowing.

[0026] For this rubber valve core, place the rubber valve core 2 into the fixing ring 1, and then place the sealing ring 5 into the fixing ring 1. There is an inner edge inside the fixing ring 1, and the inner edge plays a supporting role for the sealing ring 5. The sealing ring 5 can improve the sealing performance between the fixing ring 1 and the top cover 6. Then cover the top cover 6 on the top of the fixing ring 1, and at this time, the clamping block 7 is clamped inside the clamping groove 8. The top cover 6 is fixed on the top of the fixing ring 1, and the connecting rod 3 penetrates through the inside of the top cover 6. The top cover 6 and the connecting rod 3 can increase the connection between the rubber valve core 2 and the fixing ring 1, making the rubber valve core 2 stronger inside the valve body.

[0027] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A self-sealing high-strength rubber valve core, comprising a fixing ring (1), a rubber valve core (2) and a connecting rod (3), characterized in that: Inside the fixed ring (1), there is a rubber valve core (2). The top of the rubber valve core (2) is fixedly connected to a connecting rod (3). The connecting rod (3) is fixedly provided with a valve rod (4) through a connecting mechanism. There is a fixing mechanism between the rubber valve core (2) and the fixed ring (1). The bottom of the fixed ring (1) is provided with a threaded surface (9). The fixing mechanism includes a sealing ring (5), a top cover (6), a clamping block (7) and a clamping groove (8). Inside the fixed ring (1), there is a sealing ring (5). On the top of the fixed ring (1), there is a clamping groove (8). On the top of the fixed ring (1), there is a top cover (6). The outer side of the top cover (6) is fixedly connected to a clamping block (7). The top cover (6) is snap-connected to the clamping groove (8) through the clamping block (7).

2. The self-sealing high-strength rubber valve core according to claim 1, wherein: At the bottom end of the connecting rod (3), there is a connecting frame. The bottom end of the connecting rod (3) is fixedly connected to the rubber valve core (2) through the connecting frame. The structure of the connecting frame is cross-shaped.

3. The self-sealing high-strength rubber valve core according to claim 1, wherein: The connecting mechanism includes a connecting sleeve (10), a threaded hole (12) and a second bolt (13). The top end of the connecting rod (3) is fixedly connected to a connecting sleeve (10). The bottom end of the valve rod (4) is fixedly connected to a second bolt (13). The top end of the connecting sleeve (10) is provided with a threaded hole (12). The outer wall of the second bolt (13) is threadedly connected to the inner wall of the threaded hole (12).

4. The self-sealing high-strength rubber valve core according to claim 3, wherein: Inside the second bolt (13) and the connecting sleeve (10), there are insertion holes (14). Inside the insertion holes (14), there are inserted rods (15). The top end of the connecting rod (3) penetrates out of the inside of the top cover (6).

5. A self-sealing high-strength rubber valve core according to claim 1, characterized in that: The top end of the valve rod (4) is fixedly connected to a first bolt (11). A handwheel is sleeved outside the first bolt (11). The top end of the first bolt (11) is threadedly connected to a nut. A silica gel sleeve is provided on the outer side of the handwheel.

6. The self-sealing high-strength rubber valve core according to claim 1, wherein: The outer side of the valve rod (4) is threadedly connected to a fixed disk (16). A plurality of mounting holes are equidistantly provided on the outer side of the fixed disk (16). Connecting bolts are provided inside the mounting holes.

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