CN211059461U

CN211059461U - Gas valve opening device with metal gear box structure

Info

Publication number: CN211059461U
Application number: CN201921983110.9U
Authority: CN
Inventors: 于穆权; 赵盼盼; 王养发
Original assignee: Tuomi Automation Equipment Shanghai Co ltd
Current assignee: Tuomi Automation Equipment Shanghai Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-07-21
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a belong to gas valve technical field, specifically be a gas valve opening device with metal gear case structure, it includes: valve body, gear box, driving shaft, at the uniform velocity gear shaft and change gear shaft, the valve body top has the valve rod, the valve rod top is provided with the valve rod gear wheel, valve rod gear wheel top sets up the valve rod pinion, the valve rod gear wheel all sets up in gear box inner chamber bottom with the valve rod pinion, the gear box outer wall is provided with the glass window, the driving shaft is connected at gear box inner chamber top, the driving shaft bottom is provided with the driving gear, gear box inner chamber left side sets up at the uniform velocity gear shaft, can open fast and close the valve, can be manual switch over between with fast and variable speed, and pure mechanical structure is easy to assemble and dismantles, and the installation and the maintenance.

Description

Gas valve opening device with metal gear box structure

Technical Field

The utility model relates to a gas valve technical field specifically is a gas valve opening device with metal gear case structure.

Background

The gas valve is a novel safety matching device for gas pipeline engineering; the gas valve is used for cutting off, connecting and adjusting gas in a pipeline, and has good control characteristics and closing sealing performance; it is suitable for various gas medium pipelines such as city gas, liquefied petroleum gas, natural gas and oxygen.

When the existing gas valve opening device with the metal gear box structure is used, the opening speed of the valve cannot be adjusted, the valve cannot be quickly closed in emergency,

the opening speed of the valve can not be adjusted through the transmission of the two groups of gears, the valve body is conveniently controlled under different conditions, the internal structure of the gear box is convenient to observe, and the repair and maintenance are inconvenient.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made in view of the above and/or other problems occurring in the conventional gas valve opening device having a metal gear case structure.

Therefore, the utility model aims at providing a gas valve opening device with metal gear case structure can adjust the opening speed of valve through two sets of gear drive, conveniently controls the valve body when the different situation, is convenient for observe gear case inner structure, is convenient for inspect and maintain.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

a gas valve opening device having a metal gear case structure, comprising: the valve comprises a valve body, a gear box, a driving shaft, a uniform speed gear shaft and a speed change gear shaft, wherein a valve rod is arranged at the top of the valve body, a valve rod gear is arranged at the top of the valve rod, a valve rod pinion is arranged at the top of the valve rod gear, the valve rod gear and the valve rod pinion are both arranged at the bottom of an inner cavity of the gear box, a glass window is arranged on the outer wall of the gear box, the top of the inner cavity of the gear box is connected with the driving shaft, a driving gear is arranged at the bottom of the driving shaft, a uniform speed gear shaft is arranged at the left side of the inner cavity of the gear box, uniform speed gears are arranged at the top and the bottom of the uniform speed gear shaft, a uniform speed shaft sleeve is sleeved at the central, the bottom of the speed change gear shaft is provided with a speed change gear wheel, the center of the speed change gear shaft is sleeved with a speed change shaft sleeve, the right end of the speed change shaft sleeve is provided with a speed change adjusting rod extending out of the right side wall of the gear box, and the right end of the speed change adjusting rod is provided with a speed change handle.

As a preferred scheme of a gas valve opening device with metal gear box structure, wherein: the driving gear is meshed with the uniform gear and the speed change pinion respectively, and the uniform gear and the speed change pinion are installed in a matched mode.

As a preferred scheme of a gas valve opening device with metal gear box structure, wherein: the valve rod large gear is meshed with the uniform gear, and the valve rod large gear is matched with the uniform gear.

As a preferred scheme of a gas valve opening device with metal gear box structure, wherein: the valve rod pinion is meshed with the speed change gear wheel, and the valve rod pinion is matched with the speed change gear wheel.

As a preferred scheme of a gas valve opening device with metal gear box structure, wherein: and bearings are arranged at the connecting positions of the valve rod and the driving shaft and the gear box.

As a preferred scheme of a gas valve opening device with metal gear box structure, wherein: the connecting positions of the uniform speed adjusting rod and the variable speed adjusting rod and the gear box are both provided with sliding chutes.

Compared with the prior art: observe gear box inner structure through the glass window, the daily inspection of being convenient for is used, the driving shaft rotates, make the valve rod gear drive valve rod rotation, the driving gear is the same with valve rod gear wheel size, make and carry out constant speed synchronous rotation between driving shaft and the valve rod, the driving shaft rotates, the valve rod pinion drives the valve rod rotation, speed change gear wheel size is greater than the valve rod pinion, when speed change gear wheel rotates the round, valve rod pinion rotates and is greater than the round, thereby improve the valve rod rotational speed, can open fast and close the valve, can be manual with switching between fast and the variable speed, pure mechanical structure is easy to assemble and dismantlement, and convenient to install and maintain, and use cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

FIG. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic diagram of the external structure of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a gas valve opening device with metal gear case structure can adjust the opening speed of valve through two sets of gear drive, conveniently controls the valve body when the different situation, is convenient for observe gear case inner structure, and the inspection and the maintenance of being convenient for please refer to figure 1 and figure 2, include: the valve body 100, the gear box 200, the driving shaft 300, the uniform speed gear shaft 400 and the variable speed gear shaft 500;

referring to fig. 1 and 2 again, the valve body 100 has a valve stem 110, a valve stem gearwheel 120 and a valve stem pinion 130, specifically, the valve stem 110 is arranged on the top of the valve body 100, the valve stem gearwheel 120 is welded on the top of the valve stem 110, the valve stem pinion 130 is welded on the top of the valve stem gearwheel 120, both the valve stem gearwheel 120 and the valve stem pinion 130 are arranged inside the gear box 200, and the valve stem 110 is driven by the valve stem gearwheel 120 and the valve stem pinion 130 to rotate at different speeds.

Referring to fig. 1 and 2 again, the gear box 200 has a glass window 210, and specifically, the gear box 200 is disposed on the top of the valve body 100, the glass window 210 is mounted on the front side wall of the gear box 200 in an embedded manner, and the internal structure of the gear box 200 is observed through the glass window 210, so as to facilitate daily inspection and use.

Referring to fig. 1 again, the driving shaft 300 is connected to a driving gear 310, specifically, the driving shaft 300 is inserted into the top of the gear box 200, the driving gear 310 is welded to the bottom of the driving shaft 300, and the driving shaft 300 is connected to a gas valve power device for power transmission.

Referring to fig. 1 again, the uniform gear shaft 400 is connected with a uniform gear 410, a uniform shaft sleeve 420, a uniform adjustment rod 430 and a uniform handle 440, specifically, the uniform gear 410 is welded at the top and the bottom of the uniform gear shaft 400, the uniform shaft sleeve 420 is sleeved at the central position of the uniform gear shaft 400, the uniform adjustment rod 430 extending into the left side wall of the gear box 200 is arranged at the left end of the uniform shaft sleeve 420, the uniform handle 440 is welded at the left end of the uniform adjustment rod 430, the top and bottom uniform gears 410 are respectively engaged with the driving gear 310 and the valve rod big gear 120, the uniform gear shaft 400 is pushed to the right by the uniform handle 440, the top and bottom uniform gears 410 are respectively contacted with the driving gear 310 and the valve rod big gear 120, at this time, the driving shaft 300 rotates to drive the driving gear 310 to rotate, the driving gear 310 drives the top uniform gear 410 to rotate, the bottom uniform gear 410 drives the valve rod gearwheel 120 to rotate, so that the valve rod gearwheel 120 drives the valve rod 110 to rotate, and the driving gear 310 and the valve rod gearwheel 120 have the same size, so that the driving shaft 300 and the valve rod 110 synchronously rotate at a constant speed.

Referring to fig. 1 again, the speed change gear shaft 500 is connected to a speed change pinion 510, a speed change gearwheel 520, a speed change sleeve 530, a speed change adjusting rod 540 and a speed change handle 550, specifically, the top of the speed change gear shaft 500 is welded with the speed change pinion 510, the bottom of the speed change gear shaft 500 is welded with the speed change gearwheel 520, the center of the speed change gear shaft 500 is sleeved with the speed change sleeve 530, the right end of the speed change sleeve 530 is provided with the speed change adjusting rod 540 extending out of the right side wall of the gear box 200, the right end of the speed change adjusting rod 540 is welded with the speed change handle 550, the speed change gear shaft 500 is pushed to the left side through the speed change handle 550, so that the speed change pinion 510 is engaged with the driving gear 310, the speed change gearwheel 520 is engaged with the valve stem, the gear change gearwheel 520 drives the valve rod pinion 130 to rotate, so that the valve rod pinion 130 drives the valve rod 110 to rotate, the size of the gear change gearwheel 520 is larger than that of the valve rod pinion 130, and when the gear change gearwheel 520 rotates for one circle, the valve rod pinion 130 rotates for more than one circle, so that the rotating speed of the valve rod 110 is increased, and the valve can be quickly opened and closed.

When the gear box is used in detail, the internal structure of the gear box 200 is observed through the glass window 210, which is convenient for daily inspection and use, the driving shaft 300 rotates to drive the driving gear 310 to rotate, the driving gear 310 drives the top uniform gear 410 to rotate, the top uniform gear 410 drives the bottom uniform gear 410 to rotate through the uniform gear shaft 400, the bottom uniform gear 410 drives the valve rod big gear 120 to rotate, so that the valve rod big gear 120 drives the valve rod 110 to rotate, the driving gear 310 and the valve rod big gear 120 have the same size, so that the driving shaft 300 and the valve rod 110 synchronously rotate at a constant speed, the driving shaft 300 rotates to drive the driving gear 310 to rotate, the driving gear 310 drives the speed change pinion 510 to rotate, the speed change pinion 510 drives the speed change big gear 520 to rotate through the speed change gear shaft 500, the speed, the size of the speed change gear 520 is larger than that of the valve rod pinion 130, when the speed change gear 520 rotates for a circle, the valve rod pinion 130 rotates for a circle, so that the rotating speed of the valve rod 110 is increased, the valve can be quickly opened and closed, the valve can be manually switched between the same speed and the speed change, the pure mechanical structure is convenient to install and disassemble, the installation and the maintenance are convenient, and the use cost is reduced.

For convenience of connection, the driving gear 310 is engaged with the speed gear 410 and the speed change pinion 510 respectively, and the speed gear 410 and the speed change pinion 510 are installed to be matched with each other.

For the convenience of connection, the valve rod gearwheel 120 and the uniform gear 410 are meshed with each other, and the valve rod gearwheel 120 and the uniform gear 410 are installed in a matched manner.

For the convenience of connection, the valve stem pinion 130 is engaged with the speed change gearwheel 520, and the valve stem pinion 130 is installed to be matched with the speed change gearwheel 520.

For the convenience of connection, the valve stem 110 and the driving shaft 300 are provided with bearings 600 at the connection position with the gear case 200.

In order to facilitate transmission, the constant speed adjusting rod 430 and the speed changing adjusting rod 540 are provided with sliding grooves at the connecting positions with the gear box 200.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A gas valve opening device having a metal gear case structure, comprising: the valve comprises a valve body (100), a gear box (200), a driving shaft (300), a uniform speed gear shaft (400) and a speed changing gear shaft (500), wherein a valve rod (110) is arranged at the top of the valve body (100), a valve rod gear wheel (120) is arranged at the top of the valve rod gear wheel (120), a valve rod pinion (130) is arranged at the top of the valve rod gear wheel (120), the valve rod gear wheel (120) and the valve rod pinion (130) are both arranged at the bottom of an inner cavity of the gear box (200), a glass window (210) is arranged on the outer wall of the gear box (200), the top of the inner cavity of the gear box (200) is connected with the driving shaft (300), a driving gear (310) is arranged at the bottom of the driving shaft (300), the uniform speed gear shaft (400) is arranged on the left side of the inner cavity of, the utility model discloses a gear box (200) right side wall, including gear box (200), gear box (420) and speed change shaft sleeve (500), the left end of speed change shaft sleeve (420) is provided with the uniform velocity regulation pole (430) that stretches into gear box (200) left side wall, the left end of uniform velocity regulation pole (430) is provided with uniform velocity handle (440), gear box (200) inner chamber right side sets up speed change gear shaft (500), speed change gear shaft (500) top is provided with change speed pinion (510), speed change gear shaft (500) bottom is provided with gear change wheel (520), speed change gear shaft sleeve (500) central authorities have cup jointed speed change shaft sleeve (530), speed change shaft sleeve (530) right-hand member is provided with the speed.

2. A gas valve opening device with metal gearbox structure as claimed in claim 1, wherein said driving gear (310) is engaged with a constant speed gear (410) and a change speed pinion (510), respectively, said constant speed gear (410) and change speed pinion (510) are installed to be matched with each other.

3. The gas valve opening device with the metal gear box structure as claimed in claim 1, wherein the valve rod gearwheel (120) and the constant speed gear (410) are engaged with each other, and the valve rod gearwheel (120) and the constant speed gear (410) are installed in a mutually matched manner.

4. The gas valve opening device with metal gearbox structure as claimed in claim 1, wherein the valve stem pinion (130) is engaged with the speed change gearwheel (520), and the valve stem pinion (130) is installed with the speed change gearwheel (520) in cooperation.

5. A gas valve opening device with metal gear box structure according to claim 1, characterized in that the valve stem (110) and the driving shaft (300) are provided with bearings (600) at the connection position with the gear box (200).

6. The gas valve opening device with the metal gearbox structure as claimed in claim 1, wherein the constant speed adjusting rod (430) and the variable speed adjusting rod (540) are provided with sliding grooves at the connecting positions with the gearbox (200).