Hand wheel for valve turbine head

Abstract

The utility model discloses a hand wheel for a valve turbine head, which relates to the technical field of valves and comprises a mounting seat, 2-4 first branches and a second branch are arranged on the mounting seat, the first branches and the second branch are equidistantly distributed on the mounting seat, mounting grooves are arranged on the first branches and the second branch, and the mounting grooves are communicated with the mounting seat. A mounting groove is formed in the mounting seat, a connecting rod is arranged on the mounting groove, one end of the connecting rod is arranged in the mounting groove and is in sliding connection with the mounting groove, an outer wheel is arranged at the other end of the connecting rod, a gear disc and a limiting pin are further arranged on the mounting seat, and the gear disc is connected with a rotating shaft of the mounting seat through the limiting pin; the problems that an existing hand wheel is not stable in installation and prone to deflection during operation, the size of the hand wheel cannot be adjusted according to the use condition, and holding is inconvenient are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, especially valve turbine head hand wheel for. BACKGROUND

[0002] Turbine head is another important component of valve turbine head, and is mainly used for controlling the opening and closing speed of valve and adjusting flow. It is composed of turbine, bearing and transmission device and the like. Turbine is the core component of turbine head, and opens or closes the valve through stress. Bearing is the component that supports the rotation of turbine, and makes it move smoothly. Transmission device is used for transmitting driving force, so that turbine can move according to predetermined speed and force.

[0003] Hand wheel is the main component of driving turbine head, and the hand wheel is rotated to drive the turbine to rotate through the rotating hand wheel, so as to realize the opening or closing of the valve. However, the existing hand wheel is not stable in installation, and is prone to deflection during operation, and the size of the hand wheel cannot be adjusted according to the use condition, which is not convenient to hold. Therefore, a valve turbine head hand wheel is proposed. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a valve turbine head hand wheel, which solves the problems mentioned in the background technology.

[0005] The utility model is realized in this way, a valve turbine head hand wheel, including mounting seat, 2-4 first branch and 1 second branch are equipped on the mounting seat, the first branch and the second branch equidistance distribution on the mounting seat, and the first branch and the second branch all are equipped with installation groove, the installation groove is equipped with connecting rod, one end of the connecting rod is placed in the inside of the installation groove, and is connected with the installation groove sliding, the other end of the connecting rod is equipped with outer wheel, the mounting seat is equipped with gear disc and limit pin still, the gear disc is connected with the mounting seat pivot through the limit pin.

[0006] Further technical scheme of the utility model is that the gear disc is equipped with circumferential distribution's sliding slot, and the number of the sliding slot is equal to the sum of the number of the first branch and the second branch.

[0007] Further technical scheme of the utility model is that the connecting rod is equipped with sliding rod on one end in the inside of the installation groove, and the top end of the sliding rod is equipped with connecting sleeve.

[0008] Further technical scheme of the utility model is that the sliding rod is placed in the inside of the sliding slot, and is connected with the sliding slot sliding, and the connecting sleeve is attached with the gear disc.

[0009] The further technical scheme of the utility model discloses: one side of the second branch is equipped with the transmission gear that rotates with it, the transmission gear is engaged with the gear plate, the other side of the second branch is equipped with fixed bolt.

[0010] The further technical scheme of the utility model discloses: one side of the second branch is equipped with the transmission gear that rotates with it, the transmission gear is engaged with the gear plate, the other side of the second branch is equipped with fixed bolt.

[0011] The utility model discloses the beneficial effect: compared with the hand wheel of prior art, the utility model discloses when the gear plate is rotated by transmission gear, the slide bar of passing through the gear plate can slide in the slide groove, thereby drive connecting rod linear motion in the installation groove, when the connecting rod on every branch is all inwards retracted or expands to a certain degree outward, can pass through fixed bolt and fix transmission gear, like this can adjust the diameter of outer wheel, make hand wheel reach the size of suitable, be convenient for staff to hold, and the stability of hand wheel whole can also be increased to the mode of every branch separate installation. DRAWINGS

[0012] Figure 1 It is the front view of the hand wheel for valve turbine head that the utility model provides;

[0013] Figure 2 It is the back structure diagram of the hand wheel for valve turbine head that the utility model provides;

[0014] Figure 3 It is the installation schematic drawing of the hand wheel for valve turbine head that the utility model provides.

[0015] Signs: 1. mounting seat;2. first branch;3. connecting rod;31. slide bar;32. connecting sleeve;4. outer wheel;5. gear plate;6. slide groove;7. second branch;8. limit pin;9. transmission gear;10. fixed bolt;11. fixed sleeve;12. installation groove; Specific implementation

[0016] The following through specific concrete example explains the implementation of the utility model, and the person skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification.The utility model can also be implemented or applied by another different specific implementation, and each detail in the specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the utility model.

[0017] It should be noted that the structure, proportion, size and the like shown in the drawings of the present specification are only used to cooperate with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and do not define the limiting conditions of the implementation of the present application, so they do not have substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the functions and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" in the present specification are only for the convenience of clear description, and are not used to limit the scope of the present application. The change or adjustment of the relative relationship is also considered as the scope of the present application without substantially changing the technical content.

[0018] In the present embodiment, as shown in Figure 1 A valve turbine head hand wheel, comprising a mounting seat 1, the mounting seat 1 is provided with 2-4 first branches 2 and one second branch 7, the first branches 2 and the second branch 7 are equidistantly distributed on the mounting seat 1, and the first branches 2 and the second branch 7 are provided with mounting grooves 12, the mounting grooves 12 are provided with connecting rods 3, one end of the connecting rod 3 is placed in the inside of the mounting groove 12 and is in sliding connection with the mounting groove 12, the other end of the connecting rod 3 is provided with an outer wheel 4, the mounting seat 1 is further provided with a gear disc 5 and a limiting pin 8, the gear disc 5 is in shaft connection with the mounting seat 1 through the limiting pin 8.

[0019] In the present embodiment, the gear disc 5 is provided with circumferentially distributed sliding grooves 6, the number of the sliding grooves 6 is equal to the sum of the number of the first branches 2 and the second branch 7. The end of the connecting rod 3 located in the inside of the mounting groove 12 is provided with a sliding rod 31, and the top end of the sliding rod 31 is provided with a connecting sleeve 32. The sliding rod 31 is placed in the inside of the sliding groove 6 and is in sliding connection with the sliding groove 6, and the connecting sleeve 32 is in close contact with the gear disc 5.

[0020] When the gear disc 5 rotates, the sliding rod 31 passing through the gear disc 5 will slide in the sliding groove 6, thereby driving the connecting rod 3 to perform linear motion in the mounting groove 12, and the corresponding number of sliding grooves 6 corresponds to the corresponding number of connecting rods 3, so that the connecting rod 3 in each branch can move synchronously, thereby realizing the adjustment of the size of the hand wheel.

[0021] In the present embodiment, one side of the second branch 7 is provided with a transmission gear 9 in rotational connection therewith, the transmission gear 9 is in meshing connection with the gear disc 5, and the other side of the second branch 7 is provided with a fixing bolt 10. When the connecting rods 3 on each branch are retracted inwardly or expanded outwardly to a certain extent, the transmission gear 9 can be fixed through the fixing bolt 10 to prevent the gear disc 5 from being deviated when subjected to external force.

[0022] In the embodiment, the fixing sleeve 11 is arranged on the side of the mounting seat 1 opposite to the gear plate 5, the fixing sleeve 11 is coaxial with the gear plate 5, the handle is connected with the shifting rod on the turbine head through the fixing sleeve 11, and it is particularly noted that the shifting rod should be embedded into the fixing sleeve 11, and the embedded part should be rectangular, so that the fixing sleeve 11 is prevented from rotating on the shifting rod when the handle is rotated.

[0023] The above is only the preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A handwheel for valve turbine heads comprising a mounting base (1), characterised in that: The mounting base (1) is provided with 2-4 first branches (2) and one second branch (7), the first branches (2) and the second branch (7) are equidistantly distributed on the mounting base (1), and the first branches (2) and the second branch (7) are provided with mounting grooves (12), the mounting grooves (12) are provided with connecting rods (3), one end of the connecting rod (3) is arranged in the mounting groove (12) and is in sliding connection with the mounting groove (12), the other end of the connecting rod (3) is provided with an outer wheel (4), the mounting base (1) is further provided with a gear disc (5) and a limiting pin (8), the gear disc (5) is connected with the mounting base (1) through the limiting pin (8).

2. A handwheel for a valve turbine head according to claim 1, characterized in that The gear disc (5) is provided with circumferentially distributed sliding grooves (6), the number of the sliding grooves (6) is equal to the sum of the number of the first branches (2) and the second branch (7).

3. A handwheel for a valve turbine head as defined in claim 2, wherein One end of the connecting rod (3) located in the mounting groove (12) is provided with a sliding rod (31), and the top end of the sliding rod (31) is provided with a connecting sleeve (32).

4. A handwheel for a valve turbine head as defined in claim 3, wherein The sliding rod (31) is arranged in the sliding groove (6) and is in sliding connection with the sliding groove (6), and the connecting sleeve (32) is attached to the gear disc (5).

5. A handwheel for a valve turbine head as defined in claim 1, wherein One side of the second branch (7) is provided with a transmission gear (9) rotatably connected thereto, the transmission gear (9) is engaged with the gear disc (5), and the other side of the second branch (7) is provided with a fixing bolt (10).

6. A handwheel for a valve turbine head as defined in claim 1, wherein The side of the mounting base (1) opposite to the gear disc (5) is provided with a fixing sleeve (11), and the fixing sleeve (11) is coaxially arranged with the gear disc (5).

Images