Spinning type valve element structure

Abstract

The utility model relates to the technical field of valve cores, and discloses a spinning type valve core structure which comprises a valve seat, a base is fixedly connected to the middle of the top end of the valve seat, the base is connected with a top seat through an installation assembly, a fixing cylinder is fixedly connected to the top end of the top seat, and a fixing block is fixedly connected to the end, away from the top seat, of the fixing cylinder. A cavity is formed in the inner wall of the fixing block and connected with the valve rod through a gear set. According to the gate valve, through cooperation of the first bevel gear and the second bevel gear, the flow of water flow is controlled, the force needing to be applied by an operator can be reduced, the rotating speed of the valve disc is increased, and through cooperation of the bolt and the nut, the effect of conveniently cleaning and maintaining the interior of the gate valve is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve cores, in particular to a spinning valve core structure. Background Art

[0002] The spinning valve core is a common valve structure, which is usually composed of a valve core, a valve seat, a sealing ring and other components. The spinning valve core can usually be used for valves of various properties and can be designed for butterfly valves. In the butterfly valve, by rotating the valve core, the angle between the valve disc and the pipeline axis can be changed, thereby achieving control of the fluid.

[0003] After searching, a butterfly valve core replacement structure with announcement number CN219388642U "includes a housing, a valve shaft is arranged inside the housing, and also includes: a connecting shaft, which is rotatably arranged inside the housing and located at the bottom of the housing; a sealing ring, which is fixed to the inner wall of the housing; a valve core, which is rotatably arranged inside the housing and detachably connected to the connecting shaft and the valve shaft through a connecting structure. The butterfly valve core replacement structure provided by the utility model is more convenient for users to replace the valve core of the butterfly valve during long-term use, ensuring the efficiency and convenience of replacement";

[0004] Based on the above patent, it is easier for users to replace the valve core of the butterfly valve during long-term use, thereby ensuring the efficiency and convenience of replacement. However, when this structure is in use, its movement speed may be slower than other types of valve cores. In actual operation, it may be necessary to apply a larger operating force to complete the rotation, which increases the labor intensity of the operator. In addition, the spin-type valve core structure is more complicated and difficult to clean and maintain. Therefore, the present application proposes a spin-type valve core structure. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a spinning valve core structure, which controls the flow rate of water through the cooperation of a first bevel gear and a second bevel gear, can reduce the force required by the operator, increase the rotation speed of the valve disc, and facilitate the cleaning and maintenance of the interior of the gate valve through the cooperation of bolts and nuts.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A spin-type valve core structure includes a valve seat, a base is fixedly connected to the middle of the top end of the valve seat, the base is connected to the top seat through an installation assembly, the top end of the top seat is fixedly connected to a fixing cylinder, the end of the fixing cylinder away from the top seat is fixedly connected to a fixing block, the inner wall of the fixing block is provided with a cavity, and the cavity is connected to the valve stem through a gear set.

[0008] Furthermore, the gear set includes a first bevel gear rotatably connected to the top inner wall of the cavity and a second bevel gear rotatably connected to the right inner wall of the cavity. The first bevel gear and the second bevel gear are meshedly connected, and the bottom inner wall of the first bevel gear is fixedly connected to the top outer wall of the valve stem.

[0009] Furthermore, the right end of the second bevel gear is fixedly connected to a fixing rod, and one end of the fixing rod away from the second bevel gear passes through the fixing block and is fixedly connected to a rotating disk.

[0010] Furthermore, a valve disc is fixedly connected to the outer wall of one end of the valve stem away from the first bevel gear, a sealing sleeve is fixedly connected to the outer wall of the valve disc, and the sealing sleeve and the outer wall of the valve disc are both arranged on the inner wall of the valve seat.

[0011] Furthermore, the mounting assembly includes a plurality of bolts threadedly connected to the inner walls of the top seat and the base, the bottom outer walls of the bolts are threadedly connected to nuts, and the top outer walls of the nuts are arranged on the bottom outer wall of the base.

[0012] Furthermore, a sealing rubber block is fixedly connected to the bottom end of the top seat, the outer wall of the sealing rubber block is arranged on the inner wall of the base, and the inner wall of the sealing rubber block is arranged on the outer wall of the valve stem.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, firstly, the fixed rod and the second bevel gear are driven to rotate by rotating the rotating disk, the second bevel gear and the first bevel gear are meshed, and the first bevel gear drives the valve stem, the valve disc and the sealing sleeve to rotate together in the valve seat to control the flow of water. The use of a gear transmission structure can reduce the force that the operator needs to apply, increase the rotation speed of the valve disc, and achieve the effect of improving operating efficiency.

[0015] 2. In the utility model, firstly, the top seat and the base are fixed together by the cooperation of bolts and nuts, and the connection between the valve seat and the fixed cylinder is established. The disassembly structure is arranged in the middle of the entire gate valve. When maintenance and cleaning are required, the nut can be turned to remove the bolt, so as to facilitate the cleaning and maintenance of the inside of the gate valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of a spinning valve core structure proposed by the utility model;

[0017] Figure 2 A schematic diagram of a sealing sleeve of a spin-type valve core structure proposed by the utility model;

[0018] Figure 3 A schematic diagram of a base of a spin-type valve core structure proposed by the utility model;

[0019] Figure 4 A schematic diagram of a fixing cylinder of a spinning valve core structure proposed by the utility model;

[0020] Figure 5 The utility model provides a cavity schematic diagram of a spin-type valve core structure.

[0021] Legend:

[0022] 1. Valve seat; 2. Base; 3. Top seat; 4. Fixed cylinder; 5. Fixed block; 6. Sealing rubber block; 7. Bolt; 8. Nut; 9. Cavity; 10. First bevel gear; 11. Second bevel gear; 12. Fixed rod; 13. Rotating disk; 14. Valve stem; 15. Valve disk; 16. Sealing sleeve. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Reference Figure 1-5 The utility model provides an embodiment: a spin-type valve core structure, including a valve seat 1, a base 2 is fixedly connected to the middle of the top end of the valve seat 1, a top seat 3 is arranged on the top end of the base 2, a fixed cylinder 4 is fixedly connected to the top end of the top seat 3, a fixed block 5 is fixedly connected to the end of the fixed cylinder 4 away from the top seat 3, a cavity 9 is opened on the inner wall of the fixed block 5, and a valve stem 14 is arranged on the inner wall of the bottom end of the cavity 9.

[0025] Furthermore, the base 2 is fixedly supported by the valve seat 1 , and the base 2 and the top seat 3 are fixed together to establish a connection between the valve seat 1 and the fixed cylinder 4 , and the flow rate of water is controlled by controlling the valve stem 14 .

[0026] The top inner wall of the cavity 9 is rotatably connected to the first bevel gear 10, and the right inner wall of the cavity 9 is rotatably connected to the second bevel gear 11. The first bevel gear 10 and the second bevel gear 11 are meshingly connected. The bottom inner wall of the first bevel gear 10 is fixedly connected to the top outer wall of the valve stem 14, and the right end of the second bevel gear 11 is fixedly connected to a fixing rod 12. The end of the fixing rod 12 away from the second bevel gear 11 passes through the fixing block 5 and is fixedly connected to a rotating disk 13. The outer wall of the end of the valve stem 14 away from the first bevel gear 10 is fixedly connected to a valve disc 15, and the outer wall of the valve disc 15 is fixedly connected to a sealing sleeve 16. The outer walls of the sealing sleeve 16 and the valve disc 15 are both arranged on the inner wall of the valve seat 1.

[0027] Furthermore, by rotating the rotating disk 13 and the fixed rod 12, the second bevel gear 11 and the first bevel gear 10 are controlled to rotate. The first bevel gear 10 drives the valve stem 14, the valve disk 15 and the sealing sleeve 16 to rotate together in the valve seat 1 to control the water flow rate. The sealing effect of the valve seat 1 is achieved through the sealing sleeve 16 to avoid leakage of the medium.

[0028] The inner walls of the top seat 3 and the base 2 are threadedly connected with a plurality of bolts 7, the outer walls of the bottom ends of the bolts 7 are threadedly connected with nuts 8, the top outer walls of the nuts 8 are arranged on the bottom outer wall of the base 2, the bottom end of the top seat 3 is fixedly connected with a sealing rubber block 6, the outer walls of the sealing rubber block 6 are arranged on the inner wall of the base 2, and the inner wall of the sealing rubber block 6 is arranged on the outer wall of the valve stem 14.

[0029] Furthermore, by rotating the nut 8, the bolt 7 can fix the top seat 3 and the base 2 together, and the detachable nut 8 and bolt 7 structure can facilitate the cleaning of the gate valve. At the same time, the top seat 3 drives the sealing rubber block 6 into the base 2, thereby enhancing the sealing between the valve seat 1 and the fixed tube 4 and improving the quality of the valve core.

[0030] Working principle: First, through the cooperation of bolts 7 and nuts 8, the sealing rubber block 6 enters into the base 2, so that the top seat 3 and the base 2 are fixed together, and the connection between the valve seat 1 and the fixed cylinder 4 is established to achieve the sealing effect. By rotating the rotating disk 13, the fixing rod 12 and the second bevel gear 11 are driven to rotate, and the second bevel gear 11 and the first bevel gear 10 are engaged. The first bevel gear 10 drives the valve stem 14, the valve disc 15 and the sealing sleeve 16 to rotate together in the valve seat 1 to control the flow rate of the water flow. The use of a gear transmission structure can reduce the force that the operator needs to apply and increase the rotation speed of the valve disc 15. The disassembly structure of the nut 8 and the bolt 7 is arranged in the middle of the entire gate valve. When maintenance and cleaning are required, the nut 8 can be rotated to remove the bolt 7, which is convenient for cleaning and maintenance of the inside of the gate valve.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A spinning valve core structure, comprising a valve seat (1), characterized in that: A base (2) is fixedly connected to the middle of the top end of the valve seat (1), and the base (2) is connected to the top seat (3) through a mounting assembly. A fixing tube (4) is fixedly connected to the top end of the top seat (3), and a fixing block (5) is fixedly connected to the end of the fixing tube (4) away from the top seat (3). A cavity (9) is opened on the inner wall of the fixing block (5), and the cavity (9) is connected to the valve stem (14) through a gear set. The mounting assembly comprises a plurality of bolts (7) located on the inner walls of the top seat (3) and the base (2), and the bottom outer walls of the bolts (7) are threadedly connected to nuts (8), and the top outer walls of the nuts (8) are arranged on the bottom outer wall of the base (2). A sealing rubber block (6) is fixedly connected to the bottom end of the top seat (3), and the outer walls of the sealing rubber blocks (6) are arranged on the inner wall of the base (2), and the inner wall of the sealing rubber block (6) is arranged on the outer wall of the valve stem (14).

2. A spinning valve core structure according to claim 1, characterized in that: The gear set comprises a first bevel gear (10) rotatably connected to the top inner wall of the cavity (9) and a second bevel gear (11) rotatably connected to the right inner wall of the cavity (9), the first bevel gear (10) and the second bevel gear (11) being meshingly connected, and the bottom inner wall of the first bevel gear (10) is fixedly connected to the top outer wall of the valve stem (14).

3. A spinning valve core structure according to claim 2, characterized in that: The right end of the second bevel gear (11) is fixedly connected to a fixing rod (12), and one end of the fixing rod (12) away from the second bevel gear (11) passes through the fixing block (5) and is fixedly connected to a rotating disk (13).

4. A spinning valve core structure according to claim 2, characterized in that: The outer wall of one end of the valve stem (14) away from the first bevel gear (10) is fixedly connected to a valve disc (15), and the outer wall of the valve disc (15) is fixedly connected to a sealing sleeve (16), and the outer wall of the sealing sleeve (16) and the valve disc (15) are both arranged on the inner wall of the valve seat (1).

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