Valve ball core

Abstract

The utility model relates to the technical field of ball valve accessories, in particular to a valve ball core which comprises a ball core body, a circulation channel is integrally formed in the middle of the front end of the ball core body, a reserved clamping base is fixedly connected to the middle of the top end of the ball core body, and an inner clamping sleeve is clamped in the middle of the interior of the reserved clamping base. The upper portions of the two sides of the interior of the reserved clamping base are respectively provided with an inner open groove, one side of the interior of each inner open groove is connected with a sliding support in a sliding mode, and the other side of the interior of each inner open groove is fixedly connected with a spring. According to the valve ball core, when the key groove structure is damaged after being used for a period of time, the damaged key groove structure can be conveniently and rapidly disassembled and replaced, so that the whole ball core has the function of independently disassembling and replacing the key groove structure, and meanwhile resource waste caused by the fact that the whole ball core needs to be replaced is reduced.

Description

Technical Field

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

[0002] The ball valve is a type of valve that mainly controls the transport of liquid, gas and solid mixed media for regulation and shutoff. The structure of the ball valve is mainly composed of a ball core, a valve seat, a valve stem, a handle and other components. The ball core is the main core component of the ball valve, which can control the flow of fluid by rotating on the valve seat.

[0003] In the prior art, before the ball core is used, it is mainly assembled by matching the keyway structure reserved on the top with the "T"-shaped bottom end of the valve stem. However, when the keyway structure of the ball core is severely worn and broken due to repeated use with the valve stem, considering that the keyway structure and the ball core are integrally formed, the limitations of this structural setting will cause the existing ball core to be inconvenient to disassemble and replace independently during actual use, and if damaged, it will easily cause data waste due to overall replacement. Therefore, a valve ball core is proposed to address the above problems. Utility Model Content

[0004] The utility model aims to provide a valve ball core to solve the problem in the background art that when the keyway structure of the existing ball core is damaged during use, it is inconvenient to disassemble and replace it independently and the damaged ball core will easily cause data waste due to replacement of the whole ball core.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A valve ball core comprises a ball core body, a flow channel is formed in the middle of the front end of the ball core body through one-piece molding, and a reserved socket is fixedly connected to the middle of the top of the ball core body, an inner sleeve is clamped in the middle of the interior of the reserved socket, inner grooves are respectively formed at upper positions on both sides of the interior of the reserved socket, and a sliding bracket is slidably connected to an inner side of the inner groove, a spring is fixedly connected to the other side of the inner groove, a protrusion is fixedly connected to one side end of the sliding bracket, slots are respectively formed at upper positions on both sides of the inner sleeve through one-piece molding, a combination slot is formed on the inner side of the inner sleeve through one-piece molding, and triangular vertical plates are fixedly connected to both sides of the reserved socket.

[0007] Preferably, an inner retaining ring is fixedly connected to the inner side of the circulation channel, and a conical inner ring is integrally formed on the inner side of the inner retaining ring, reinforcing ribs are welded and fixed to the conical inner surface of the conical inner ring, and the reinforcing ribs are distributed in a ring array structure along the center point of the circulation channel.

[0008] Preferably, a center guide column is fixedly connected to the middle position of the bottom end of the inner ferrule, and a hole groove which is engaged with the center guide column is formed on the inner bottom end surface of the reserved ferrule.

[0009] Preferably, a sealing gasket is provided on the outer sleeve above the inner ferrule, and the top of the sealing gasket and the top of the reserved card seat are on the same horizontal line, and a groove for clamping the sealing gasket is opened at the upper inner side of the reserved card seat.

[0010] Preferably, one side end of the spring and one side end of the sliding bracket are fixedly connected, the sliding bracket has a "U"-shaped structure, the protrusion has a spherical structure, the outer end of the protrusion and the inner end of the slot are matched in size, and the slot has a conical structure.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] In the utility model, by providing the reserved socket, inner sleeve, protrusion and groove, it is convenient for the valve ball core to disassemble the damaged keyway structure by separating the protrusion and the groove, and then limit the installation of the new keyway structure by the engagement of the protrusion and the groove, so as to complete the rapid removal and replacement operation of the damaged keyway structure. Compared with the traditional setting in which the keyway structure and the ball core are integrally formed, the keyway structure adopts a structural design that can be independently disassembled and replaced. While enabling the entire ball core to have the function of independently disassembling and replacing the keyway structure, it also reduces the waste of resources caused by the need to replace the ball core as a whole, and further improves the overall service life and practicality of the ball core. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the half-cut structure inside the reserved card holder of the utility model;

[0015] Figure 3 For this utility model Figure 2 Schematic diagram of the structure at point A.

[0016] In the figure: 1. ball core body; 2. circulation channel; 3. reserved seat; 4. inner sleeve; 5. inner slot; 6. sliding bracket; 7. spring; 8. bump; 9. slot; 10. sealing gasket; 11. center guide column; 12. triangular vertical plate; 13. combination slot; 14. inner retaining ring; 15. conical inner ring; 16. reinforcing ribs. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-3 , the utility model provides a technical solution:

[0019] A valve ball core comprises a ball core body 1, a flow channel 2 is formed in the middle of the front end of the ball core body 1 through integral molding, a reserved holder 3 is fixedly connected to the middle of the top of the ball core body 1, an inner sleeve 4 is clamped in the middle of the reserved holder 3, inner grooves 5 are respectively formed at the upper positions on both sides of the reserved holder 3, a sliding bracket 6 is slidably connected to the inner one side of the inner groove 5, a spring 7 is fixedly connected to the other side of the inner groove 5, a bump 8 is fixedly connected to one end of the sliding bracket 6, slots 9 are respectively formed at the upper positions on both sides of the inner sleeve 4 through integral molding, a combination slot 13 is formed on the inner side of the inner sleeve 4 through integral molding, and triangular vertical plates 12 are respectively fixedly connected to the two sides of the reserved holder 3.

[0020] like Figure 1 and Figure 2 As shown, an inner retaining ring 14 is fixedly connected to the inner side of the circulation channel 2, and a conical inner ring 15 is integrally formed on the inner side of the inner retaining ring 14, and reinforcing ribs 16 are welded and fixed to the conical inner surface of the conical inner ring 15, and the reinforcing ribs 16 are distributed in a ring array structure along the center point of the circulation channel 2. When the fluid quickly enters the circulation channel 2 to circulate, the setting of the conical inner ring 15 can guide the flowing fluid, and the setting of multiple reinforcing ribs 16 mainly serves to strengthen the strength of the inlet structure of the core channel, thereby preventing the inlet structure of the core channel from being damaged due to long-term impact of the fluid.

[0021] like Figure 1 , Figure 2 and Figure 3As shown, a center guide column 11 is fixedly connected to the middle position of the bottom end of the inner ferrule 4, and a hole groove which is engaged with the center guide column 11 is opened on the inner bottom end surface of the reserved card seat 3. When the keyway structure composed of the inner ferrule 4 and the combined slot 13 is fitted and inserted into the inner side of the reserved card seat 3, the center guide column 11 will be correspondingly engaged with the hole groove reserved on the bottom end surface of the reserved card seat 3, so as to play the role of limiting the keyway structure to achieve precise installation; a sealing gasket 10 is provided on the upper outer sleeve of the inner ferrule 4, and the top of the sealing gasket 10 and the top of the reserved card seat 3 are on the same horizontal line, and a slot for clamping the sealing gasket 10 is opened at the upper inner side of the reserved card seat 3. When the "T"-shaped bottom end of the valve stem is fitted and inserted into the keyway structure, the " The "T"-shaped bottom end will just fit with the sealing gasket 10. At this time, the setting of the sealing gasket 10 mainly plays the role of sealing the "T"-shaped bottom end of the valve stem and the keyway structure; one side end of the spring 7 and one side end of the sliding bracket 6 are fixedly connected, the sliding bracket 6 has a "U"-shaped structure, the protrusion 8 has a spherical structure, the outer end of the protrusion 8 and the inner end of the slot 9 are matched in size, and the slot 9 has a conical structure. A group of spherical protrusions 8 are pre-extruded on the inner sleeve 4 and fit into the inside of the reserved seat 3. After the inner sleeve 4 is clamped in place, the spherical protrusion 8 will use the elastic potential energy generated by the spring 7 to realize rebound reset, and be clamped and connected with the slot 9 to realize the clamping limitation of the inner sleeve 4.

[0022] Working process: When assembling the valve ball core, first ensure that the reserved seat 3 and the inner sleeve 4 are reliably connected, then push the ball core body 1 into the middle of the inner side of the ball valve, and quickly connect the valve stem through the spline connection of the combination slot 13 and the bottom end of the valve stem. At the same time, when the entire valve is used in a fluid pipeline, the ball core body 1 can be rotated through the valve stem according to the control requirements, so that the entire valve can regulate or shut off the flow of the fluid. When the keyway of the valve stem is severely worn during the use of the combination slot 13, the sleeve can be first The sealing gasket 10 on the outside of the ferrule 4 is pulled out, and then pulled outward along the edge of the inner ferrule 4, so that the protrusion 8 squeezes the spring 7 inward through the sliding bracket 6 and retracts into the inner groove 5. The protrusion 8 removes the restriction on the inner ferrule 4, so that the inner ferrule 4 can be quickly removed from the inner side of the reserved holder 3, and the entire damaged keyway disassembly operation can be completed. Finally, the intact and new keyway structure is re-installed into the interior of the reserved holder 3, and after being restricted by the engagement of the protrusion 8 and the slot 9, the disassembly and replacement operation of the damaged keyway can be completed.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A valve ball core, comprising a ball core body (1), characterized in that: A circulation channel (2) is provided at the middle position of the front end of the core body (1) through integral molding, and a reserved holder (3) is fixedly connected at the middle position of the top end of the core body (1), an inner sleeve (4) is clamped in the middle position inside the reserved holder (3), inner grooves (5) are provided at the upper positions on both sides of the reserved holder (3), and a sliding bracket (6) is slidably connected to one side of the inner groove (5), a spring (7) is fixedly connected to the other side of the inner groove (5), a protrusion (8) is fixedly connected to one end of one side of the sliding bracket (6), slots (9) are provided at the upper positions on both sides of the inner sleeve (4) through integral molding, a combination slot (13) is provided on the inner side of the inner sleeve (4) through integral molding, and triangular vertical plates (12) are fixedly connected to both sides of the reserved holder (3).

2. A valve ball core according to claim 1, characterized in that: An inner retaining ring (14) is fixedly connected to the inner side of the circulation channel (2), and a conical inner ring (15) is integrally formed on the inner side of the inner retaining ring (14), and reinforcing ribs (16) are welded and fixed to the conical inner surface of the conical inner ring (15), and the reinforcing ribs (16) are distributed in an annular array structure along the center point of the circulation channel (2).

3. The valve ball core according to claim 1, characterized in that: A central guide column (11) is fixedly connected to the middle of the bottom end of the inner ferrule (4), and a hole groove which is snap-fitted and connected to the central guide column (11) is provided on the inner bottom end surface of the reserved ferrule (3).

4. The valve ball core according to claim 1, characterized in that: A sealing gasket (10) is provided on the upper outer sleeve of the inner ferrule (4), and the top of the sealing gasket (10) and the top of the reserved card seat (3) are on the same horizontal line. A groove for clamping the sealing gasket (10) is provided on the upper inner side of the reserved card seat (3).

5. The valve ball core according to claim 1, characterized in that: One side end of the spring (7) is fixedly connected to one side end of the sliding bracket (6); the sliding bracket (6) has a U-shaped structure; the protrusion (8) has a spherical structure; the outer end of the protrusion (8) and the inner end of the slot (9) are matched in size; and the slot (9) has a conical structure.

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