Throttling speed limiting structure for regulating valve

Abstract

The utility model discloses a throttling speed limiting structure for a regulating valve, and particularly relates to the field of regulating valves, the throttling speed limiting structure comprises a pipeline, a fixing frame is fixedly arranged in the middle of the pipeline, a connecting frame is fixedly arranged at the upper end of the fixing frame, a speed limiting assembly is arranged in the connecting frame, and the speed limiting assembly comprises a connecting groove. The connecting grooves are symmetrically formed in the inner sides of the connecting frames, electric telescopic rods are fixedly arranged on one sides of the interiors of the connecting grooves, connecting blocks are fixedly arranged on one sides of the electric telescopic rods, the connecting blocks are connected with the connecting grooves in an embedded mode, and limiting frames are fixedly connected to one sides of the connecting blocks. By arranging the speed limiting assembly, the flow speed in the pipeline can be adjusted, the device can be conveniently operated according to actual requirements, the device is more convenient to use, the device can be operated through the electric telescopic rod, manual operation is not needed, and the device is more convenient to use; and the practicability of the device is improved to a certain extent.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of governing valve, more specifically, the utility model relates to a throttling speed limiting structure for governing valve. BACKGROUND

[0002] The governing valve is also called control valve, in the industrial automation process control field, through accepting the control signal output of the regulating control unit, with the help of power operation to change medium flow, pressure, temperature, liquid level etc.

[0003] After searching, the existing patent (publication number: CN 211779341 U) discloses a kind of governing valve is prevented to rotate bellows, including valve stem, rotation fixed sleeve being set on valve stem along axial direction and bellows being set along axial direction between valve stem and rotation fixed sleeve;The rear portion of the outer wall of the valve stem is provided with the guide groove along the axial direction of the valve stem;The front end of the rotation fixed sleeve is provided with annular tray, and the rear portion of the rotation fixed sleeve is provided with the guide pin guided with the guide groove;One end of the bellows is hermetically connected with the valve stem, and the other end of the bellows is hermetically connected with the rotation fixed sleeve, and for forming the axial seal of valve stem;The valve stem can move back and forth along the axial direction relative to the rotation fixed sleeve.The cooperation of guide pin and guide groove can prevent the relative rotation between bellows and valve stem on the one hand, and ensure the effective movement of valve stem along the axial direction on the other hand.The governing valve of the utility model can effectively prevent the rotation of bellows, ensure the sealing effect, prolong the service life of valve and improve the use safety of valve.

[0004] The existing governing valve can realize the effect of speed limiting when in use, but it is inconvenient to adjust its flow rate according to actual demand, and the operation is cumbersome, which leads to certain limitations in use, and the above-mentioned patent document also does not propose a related scheme to solve the above problems.

[0005] Therefore, a kind of throttling speed limiting structure for governing valve is proposed for the above problems. UTILITY MODEL CONTENT

[0006] In order to overcome the above-mentioned defects of prior art, the embodiments of the utility model provide a kind of throttling speed limiting structure for governing valve, to solve the problems proposed in the above background art.

[0007] To achieve the above object, the utility model provides the following technical scheme: A throttling speed limiting structure for regulating valve, including pipeline, fixedly arranged with fixed frame in the middle position of pipeline, the upper end of fixed frame is fixedly arranged with connecting frame, the inside of connecting frame is provided with speed limiting component, the speed limiting component includes connecting groove, the inside of connecting groove is fixedly provided with electric telescopic rod on one side, one side of electric telescopic rod is fixedly provided with connecting block, the connecting block is embeddedly connected with connecting groove, and the one side of connecting block is fixedly connected with limiting frame, the outer wall of limiting frame is equipped with through -hole at equal intervals.

[0008] Preferably, the connecting groove is symmetrically provided with a guide groove on both sides, the guide groove is slidably connected with a guide block, and the guide block is fixedly connected with the limiting frame on one side.

[0009] Preferably, the outer wall of the limiting frame is provided with a connecting assembly, the connecting assembly comprises a mounting seat, and the mounting seat is fixedly provided with an electric push rod at the bottom.

[0010] Preferably, the electric push rod is connected with a limiting plate on one side through a connecting seat, and the limiting plate is connected with the limiting frame on one side.

[0011] Preferably, the outer wall of the limiting frame is provided with a through groove at both ends, and the through groove is slidably connected with a connecting seat.

[0012] Preferably, the fixed frame and the connecting frame are provided with threaded holes at four ends, the threaded holes are all screw-connected with threaded rods, and the outer wall of the connecting frame is fixedly provided with a pointer on one side.

[0013] The utility model discloses a technical effect and advantage:

[0014] Compared with the prior art, the throttling speed limiting structure for regulating valve can adjust the flow rate in the pipeline, is convenient to operate according to actual demands, makes the device use more convenient, and can be operated through the electric telescopic rod, so that manual operation is not needed, the device use is more convenient, and the practicability of the device is improved to a certain extent. ACCURACY OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model.

[0016] Figure 2 It is the speed limiting component structure schematic diagram of the utility model.

[0017] Figure 3 It is the connecting assembly structure schematic diagram of the utility model.

[0018] Figure 4 It is the threaded rod position structure schematic diagram of the utility model.

[0019] The accompanying drawings are marked as follows: 1. Pipe; 2. Fixing frame; 3. Connecting frame; 4. Speed ​​limiting assembly; 41. Connecting groove; 42. Electric telescopic rod; 43. Connecting block; 44. Guide groove; 45. Guide block; 46. Through hole; 47. Limiting frame; 5. Connecting assembly; 51. Mounting seat; 52. Electric push rod; 53. Connecting seat; 54. Through groove; 55. Limiting plate; 6. Threaded hole; 7. Threaded rod; 8. Pointer. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Example 1

[0022] As attached Figures 1 to 4 The throttling and speed limiting structure for a regulating valve shown in the figure includes a pipeline 1, a fixing frame 2 is fixedly provided in the middle position of the pipeline 1, a connecting frame 3 is fixedly provided on the upper end of the fixing frame 2, a speed limiting component 4 is provided inside the connecting frame 3, and the speed limiting component 4 includes a connecting groove 41, and the connecting groove 41 is symmetrically arranged on the inner side of the connecting frame 3. An electric telescopic rod 42 is fixedly provided on one side of the connecting groove 41, and a connecting block 43 is fixedly provided on one side of the electric telescopic rod 42. The connecting block 43 is engaged with the connecting groove 41, and a limiting frame 47 is fixedly connected to one side of the connecting block 43, and through holes 46 are opened on the outer wall of the limiting frame 47 at equal intervals.

[0023] Among them: the electric telescopic rod 42 drives the limit frame 47 to move through the connecting block 43, so that the limit frame 47 is driven to move into the inside of the pipeline 1, which facilitates the throttling and speed limiting operation of the pipeline 1 through the through hole 46 on the outer wall of the limit frame 47, making the device more convenient to use and improving the practicality of the device to a certain extent.

[0024] Example 2

[0025] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working methods. Figures 1 to 4 As shown, see the following description for details:

[0026] As a preferred embodiment, guide grooves 44 are symmetrically arranged on both sides of the connecting groove 41, guide blocks 45 are slidably connected in the guide grooves 44, and one side of the guide blocks 45 is fixedly connected with the limiting frame 47; further, the guide blocks 45 are fixedly connected with the limiting frame 47, and the limiting frame 47 is connected at both ends, thereby improving the stability of movement and enhancing the practicability of the device.

[0027] As a preferred embodiment, the limiting frame 47 is provided with a connecting assembly 5, the connecting assembly 5 comprises a mounting seat 51, and an electric push rod 52 is fixedly arranged at the bottom of the mounting seat 51; further, the electric push rod 52 drives the limiting plate 55 to move up and down, so that the device is more convenient to use.

[0028] As a preferred embodiment, the electric push rod 52 is connected with the limiting plate 55 through a connecting seat 53 on one side, and the limiting plate 55 is connected with the limiting frame 47 on one side; further, the limiting plate 55 is connected with the limiting frame 47 in a limiting manner through the through hole 46 on the outer wall, so as to conveniently limit the speed of the through hole 46 according to actual needs, enhance the practicability of the device, and expand the application range of the device to a certain extent.

[0029] As a preferred embodiment, the limiting frame 47 is provided with a connecting assembly 5, the connecting assembly 5 comprises a mounting seat 51, and an electric push rod 52 is fixedly arranged at the bottom of the mounting seat 51; further, the electric push rod 52 drives the limiting plate 55 to move up and down, so that the device is more convenient to use.

[0030] As a preferred embodiment, the limiting frame 47 is provided with a connecting assembly 5, the connecting assembly 5 comprises a mounting seat 51, and an electric push rod 52 is fixedly arranged at the bottom of the mounting seat 51; further, the electric push rod 52 drives the limiting plate 55 to move up and down, so that the device is more convenient to use.

[0031] The working process of the utility model is as follows:

[0032] In use, first, the fixed frame 2 is arranged at the middle position of the pipeline 1, the connecting frame 3 is arranged at the upper end of the fixed frame 2, the connecting groove 41 is arranged at the middle position inside the connecting frame 3, the electric telescopic rod 42 is fixedly arranged at one side inside the connecting groove 41, the connecting block 43 is fixedly arranged at one side of the electric telescopic rod 42, the connecting block 43 can drive the limiting frame 47 to move up and down, the guide grooves 44 are arranged at both sides of the connecting groove 41, the guide blocks 45 are fixedly connected with the limiting frame 47 inside the guide grooves 44, the through holes 46 are arranged at the limiting frame 47 at equal intervals, so that the limiting frame 47 is driven to move to the inside of the pipeline 1, the pipeline 1 is conveniently throttled and speed-limited, the device is more convenient to use, the mounting seats 51 are fixedly arranged at both sides of the limiting frame 47, the electric push rods 52 are fixedly arranged at the bottoms of the mounting seats 51, the electric push rods 52 are connected with the limiting plates 55 through the connecting seats 53, the limiting plates 55 are abuttingly and limitingly connected with the through holes 46 of the outer wall of the limiting frame 47, so that the through holes 46 are conveniently shielded and speed-limited according to actual needs, the device is more practical, the through grooves 54 are arranged at both sides of the limiting frame 47, the connecting seats 53 penetrate through the through grooves 54, the stability of movement is improved, in addition, the threaded holes 6 are arranged at four ends of the fixed frame 2 and the connecting frame 3, the threaded rods 7 are connected and penetrate through the threaded holes 6, the fixed frame 2 and the connecting frame 3 are conveniently disassembled and assembled, the device is more convenient to use and has a wider range of use.

[0033] Finally: the above only preferred embodiments of the utility model have, and do not use for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made in the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A throttling speed limiting structure for a regulating valve comprising a pipe (1), characterized in that; The pipeline (1) is provided with a fixed frame (2) in the middle position, the upper end of the fixed frame (2) is fixedly provided with a connecting frame (3), the inside of the connecting frame (3) is provided with a speed limiting assembly (4), the speed limiting assembly (4) comprises a connecting groove (41), the connecting groove (41) is symmetrically opened in the inner side of the connecting frame (3), the inside of the connecting groove (41) is fixedly provided with an electric telescopic rod (42) on one side, the electric telescopic rod (42) is fixedly provided with a connecting block (43) on one side, the connecting block (43) is embeddedly connected with the connecting groove (41), and the connecting block (43) is fixedly connected with a limiting frame (47) on one side, and the outer wall of the limiting frame (47) is equally spacedly provided with a through hole (46).

2. The throttling speed limiting structure for a regulating valve according to claim 1, characterized in that: The connecting groove (41) is symmetrically provided with a guide groove (44) on both sides, the guide groove (44) is slidably connected with a guide block (45), and the guide block (45) is fixedly connected with the limiting frame (47) on one side.

3. The throttling speed limiting structure for a regulating valve according to claim 2, characterized in that: The outer wall of the limiting frame (47) is provided with a connecting assembly (5), the connecting assembly (5) comprises a mounting seat (51), and the bottom of the mounting seat (51) is fixedly provided with an electric push rod (52).

4. The throttling speed limiting structure for a regulating valve according to claim 3, characterized in that: The electric push rod (52) is connected with a limiting plate (55) on one side through a connecting seat (53), and the limiting plate (55) is connected with the limiting frame (47) on one side.

5. The throttling and speed limiting structure for a regulating valve according to claim 4, characterized in that: The outer wall of the limiting frame (47) is provided with a connecting assembly (5), the connecting assembly (5) comprises a mounting seat (51), and the bottom of the mounting seat (51) is fixedly provided with an electric push rod (52).

6. The throttling and speed limiting structure for a regulating valve according to claim 1, characterized in that: The outer wall of the limiting frame (47) is provided with a connecting assembly (5), the connecting assembly (5) comprises a mounting seat (51), and the bottom of the mounting seat (51) is fixedly provided with an electric push rod (52).

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