A platform ball valve

Abstract

The utility model proposes a platform ball valve, including a valve body, a mounting platform is provided at the upper end of the valve body, the mounting platform and the valve body are detachably arranged, an axial hole for connecting the valve stem is provided at the upper end of the valve body, and a threaded hole is provided on the valve body beside the axial hole, the mounting platform includes a heightening platform and a mounting platform, the mounting platform is arranged on the upper side of the heightening platform, and also includes a connecting hole and a fixing hole that penetrate the heightening platform and the mounting platform, the connecting hole is coaxially arranged with the axial hole, the fixing hole is coaxially arranged with the threaded hole, fixing screws are connected in the fixing hole and the threaded hole, and a mounting hole is provided on the mounting platform. The mounting platform used for installing an electric actuator can be disassembled, so that the ball valve can be used as an ordinary manual ball valve, and can also be installed with an electric actuator.

Description

Technical Field

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

[0002] A ball valve generally includes a valve body, in which a ball and a valve seat are arranged. A valve stem is arranged at the upper end of the valve body, and the ball is operated to rotate through the valve stem.

[0003] In order to realize electric control of the valve stem, some ball valves are also equipped with electric actuators to control the rotation of the valve stem. In order to install the electric actuator, a mounting platform needs to be set on the valve body, and the electric actuator is installed on the platform.

[0004] In the existing ball valve with a mounting platform, the mounting platform is integrated with the valve body, and the mounting platform cannot be disassembled. Summary of the invention

[0005] In view of the problems pointed out in the background technology, the utility model proposes a platform ball valve to solve the above technical problems.

[0006] The technical solution of the utility model is achieved in this way:

[0007] A platform ball valve comprises a valve body. The upper end of the valve body is provided with a mounting platform. The mounting platform and the valve body are detachably arranged.

[0008] The utility model is further configured that the upper end of the valve body is provided with an axial hole connected to the valve stem, and the valve body beside the axial hole is provided with a threaded hole;

[0009] The mounting platform includes a raising platform and a mounting platform. The mounting platform is arranged on the upper side of the raising platform and also includes a connecting hole and a fixing hole that penetrates the raising platform and the mounting platform. The connecting hole is coaxially arranged with the axial hole, and the fixing hole is coaxially arranged with the threaded hole. Fixing screws are connected in the fixing hole and the threaded hole, and a mounting hole is provided on the mounting platform.

[0010] The utility model is further configured that a connecting groove connecting the connecting hole and the fixing hole is provided on the upper side surface of the mounting platform.

[0011] The utility model is further configured that a packing gland is provided between the raising platform and the valve body, and a through hole 1 and a through hole 2 are provided on the packing gland. The through hole 1 is coaxially arranged corresponding to the shaft hole, and the through hole 2 is coaxially arranged corresponding to the fixing hole.

[0012] The utility model is further configured that a mounting groove for accommodating a packing gland is provided on the lower side of the elevated platform.

[0013] The utility model is further configured that the bottom of the installation groove is provided with an annular elastic member for applying elastic force to the packing gland.

[0014] The utility model is further configured that the heightening platform and the mounting platform are integrated into one body.

[0015] The utility model is further configured that the elastic member is a spring.

[0016] The utility model is further configured that the valve body comprises a middle valve body, a left valve body and a right valve body are respectively arranged on the left and right sides of the middle valve body, and the mounting platform is arranged on the middle valve body.

[0017] The utility model is further configured that the mounting platform is circular.

[0018] By adopting the above technical solution, the beneficial effects of the utility model are as follows:

[0019] The platform ball valve provided by the utility model has a mounting platform for mounting an electric actuator which can be disassembled, so that the ball valve can be used as an ordinary manual ball valve and can also be installed with an electric actuator for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0021] Figure 1 It is a structural schematic diagram of the utility model.

[0022] Figure 2 It is a cross-sectional view of the utility model.

[0023] Figure 3 It is a structural schematic diagram of the ball valve of the utility model.

[0024] Explanation of the numbers in the accompanying drawings: valve body 1, shaft hole 2, threaded hole 3, raising platform 4, mounting platform 5, connecting hole 6, fixing hole 7, fixing screw 8, mounting hole 9, connecting groove 10, packing gland 11, through hole one 12, through hole two 13, mounting groove 14, elastic member 15, middle valve body 101, left valve body 102, right valve body 103. DETAILED DESCRIPTION

[0025] 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 of 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.

[0026] For reference Figure 1-3 The utility model is described as follows:

[0027] Embodiment 1: A platform ball valve comprises a valve body 1, wherein the valve body 1 comprises an intermediate valve body 101, wherein a left valve body 102 and a right valve body 103 are respectively arranged on the left and right sides of the intermediate valve body 101, wherein the left valve body 102 and the right valve body 103 are connected to the intermediate valve body 101 through a flange structure, wherein a rotatable ball is arranged in the intermediate valve body 101, valve seats are respectively arranged on both sides of the intermediate valve body 101, an axial hole 2 is arranged on the upper side of the intermediate valve body 101, and a valve stem is connected in the axial hole 2.

[0028] A mounting platform is disposed at the upper end of the intermediate valve body 101 , and the mounting platform and the intermediate valve body 101 are detachably disposed.

[0029] A threaded hole 3 is provided on the middle valve body 101 beside the shaft hole 2. The threaded hole 3 is arranged on the upper side of the middle valve body 101. The upper side of the middle valve body 101 is a plane. There are two threaded holes 3. The two threaded holes 3 are symmetrically arranged about the center of the shaft hole 2.

[0030] The mounting platform includes a heightening platform 4 and a mounting platform 5. The mounting platform 5 is arranged on the upper side of the heightening platform 4. The heightening platform 4 and the mounting platform 5 are arranged as one body, and the mounting platform 5 is circular. The mounting platform also includes a connecting hole 6 and a fixing hole 7 that penetrate the upper and lower sides of the heightening platform 4 and the mounting platform 5. The connecting hole 6 is arranged coaxially with the shaft hole 2. There are two fixing holes 7. The two fixing holes 7 are arranged coaxially with the two threaded holes 3. Fixing screws 8 are connected in the fixing holes 7 and the threaded holes 3. A connecting groove 10 connecting the connecting hole 6 and the fixing hole 7 is provided on the upper side of the mounting platform 5. The screw head of the fixing screw 8 is located in the connecting groove 10. The mounting platform is detachably connected to the intermediate valve body 101 through the fixing screw 8.

[0031] The mounting platform 5 is provided with a mounting hole 9, which is a threaded hole. The electric actuator is mounted on the upper side of the mounting platform 5 and is fixedly mounted by means of the mounting hole 9. The heightening platform 4 can increase the mounting height of the actuator to form a space for mounting the actuator, and the mounting platform 5 serves as the mounting plane of the actuator.

[0032] A packing gland 11 is provided between the raised platform 4 and the valve body 1. The packing gland 11 is provided with a through hole 12 and a through hole 2 13. The through hole 12 is coaxially arranged with the shaft hole 2. There are two through holes 2 13. The two through holes 2 13 are coaxially arranged with the two fixing holes 7. A mounting groove 14 for accommodating the packing gland 11 is provided on the lower side of the raised platform 4. The bottom of the mounting groove 14 is provided with an annular elastic member 15 for applying elastic force to the packing gland 11. The elastic member 15 is a spring. By adopting the above technical solution, the fixing screw 8 is connected to the fixing hole 7, the through hole 2 13, and the threaded hole 3, and the spring is sleeved on the fixing screw 8 and the valve stem 20. The mounting platform is fixedly installed on the intermediate valve body 101, and the packing gland 11 is compressed by the action of which spring.

[0033] When the mounting platform is disassembled, the packing gland 11 is fixedly connected to the intermediate valve body 101 by screws, so that the ball valve can be used as an ordinary manual ball valve.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. 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 platform ball valve, comprising a valve body (1), wherein the upper end of the valve body (1) is provided with a mounting platform, characterized in that: The mounting platform and the valve body (1) are detachably arranged; the upper end of the valve body (1) is provided with an axial hole (2) for connecting the valve stem, and a threaded hole (3) is provided on the valve body (1) beside the axial hole (2); The mounting platform comprises a raised platform (4) and a mounting platform (5), wherein the mounting platform (5) is arranged on the upper side of the raised platform (4) and further comprises a connecting hole (6) and a fixing hole (7) penetrating the raised platform (4) and the mounting platform (5), wherein the connecting hole (6) is coaxially arranged with the shaft hole (2), the fixing hole (7) is coaxially arranged with the threaded hole (3), fixing screws (8) are connected in the fixing hole (7) and the threaded hole (3), and a mounting hole (9) is provided on the mounting platform (5).

2. A platform ball valve according to claim 1, characterized in that: A connecting groove (10) connecting the connecting hole (6) and the fixing hole (7) is provided on the upper side surface of the mounting platform (5).

3. A platform ball valve according to claim 1, characterized in that: A packing gland (11) is provided between the raised platform (4) and the valve body (1), and a through hole (12) and a through hole (13) are provided on the packing gland (11). The through hole (12) is coaxially arranged with the shaft hole (2), and the through hole (13) is coaxially arranged with the fixing hole (7).

4. A platform ball valve according to claim 3, characterized in that: The lower side of the raised platform (4) is provided with a mounting groove (14) for accommodating a packing gland (11).

5. A platform ball valve according to claim 4, characterized in that: An annular elastic member (15) for applying elastic force to the packing gland (11) is provided at the bottom of the installation groove (14).

6. A platform ball valve according to claim 1, characterized in that: The height-enhancing platform (4) and the mounting platform (5) are integrally arranged.

7. The platform ball valve according to claim 5, characterized in that: The elastic member (15) is a spring.

8. The platform ball valve according to claim 5, characterized in that: The valve body (1) comprises a middle valve body (101), a left valve body (102) and a right valve body (103) are respectively arranged on the left and right sides of the middle valve body (101), and the mounting platform is arranged on the middle valve body (101).

9. The platform ball valve according to claim 5, characterized in that: The mounting platform (5) is circular.

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