CN215763334U

CN215763334U - A grooved dark stem gate valve with good sealing performance and easy installation

Info

Publication number: CN215763334U
Application number: CN202121670253.1U
Authority: CN
Inventors: 张梅英
Original assignee: Fujian Gaoqiao Valve Technology Co ltd
Current assignee: Fujian Gaoqiao Valve Technology Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-02-08
Anticipated expiration: 2031-07-22

Abstract

The utility model provides a groove hidden rod gate valve with good sealing performance and convenient installation, which belongs to the technical field of gate valves and comprises a device shell, wherein the top end of the device shell is fixedly connected with an upper device shell, and the top end of the upper device shell is provided with an installation groove; the driving mechanism comprises a driving assembly and a rotating handle, the driving assembly and the rotating handle are both arranged in the mounting groove, and the driving assembly is connected with the rotating handle to close and open the gate valve; and the transmission mechanism comprises a third bevel gear, a first rotating rod, a fourth bevel gear and a second rotating rod, the second rotating rod is rotatably connected to the lower inner wall of the mounting groove, the third bevel gear is fixedly connected to the top end of the second rotating rod, the first rotating rod is rotatably connected to the adjacent inner wall of the mounting groove, the fourth bevel gear is fixedly connected to the circumferential surface of the first rotating rod, and the fourth bevel gear is meshed with the third bevel gear.

Description

Groove blind rod gate valve with good sealing performance and convenient installation

Technical Field

The utility model belongs to the technical field of gate valves, and particularly relates to a groove blind rod gate valve which is good in sealing performance and convenient to install.

Background

The non-rising stem gate valve is also called a rotating stem gate valve (also called a non-rising stem wedge gate valve). The valve rod nut is arranged on the gate plate, the hand wheel rotates to drive the valve rod to rotate, so that the gate plate is lifted, generally, trapezoidal threads are arranged at the bottom end of the valve rod, and rotary motion is changed into linear motion through the threads at the bottom end of the valve and the guide grooves in the valve clack, namely, operation torque is changed into operation thrust. When the valve is opened, when the lifting height of the gate plate is equal to 1 of the drift diameter of the valve: at 1 time, the passage of fluid is completely clear, but in operation, this position is not monitored. In actual use, the vertex of the valve rod is used as a mark, namely, the opening and closing position is used as the full opening position. In order to take the phenomenon of locking due to temperature change into consideration, the valve is usually opened to the top position and then rewound for 1/2-1 circles to be used as the position of the fully opened valve. Thus, the fully open position of the valve is determined by the position (i.e., stroke) of the gate.

But among the prior art, dark pole gate valve sealed the effect relatively poor when closing and lead to inside people's liquid to run off easily, and the staff is comparatively wasted time when closing dark pole gate valve moreover, makes the most loss of liquid, causes economic loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a groove non-rising stem gate valve with good sealing performance and convenient installation, and aims to solve the problems that when the existing non-rising stem gate valve is closed, the sealing effect is poor, liquid in the non-rising stem gate valve is easy to run off, and when workers close the non-rising stem gate valve, time is wasted, most of the liquid runs off, and economic loss is caused.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a slot non-rising stem gate valve that installation of being convenient for is good to leakproofness, includes:

the device comprises a device shell, an upper side device shell and a lower side device shell, wherein the top end of the device shell is fixedly connected with the upper side device shell, and the top end of the upper side device shell is provided with a mounting groove;

the driving mechanism comprises a driving assembly and a rotating handle, the driving assembly and the rotating handle are both arranged in the mounting groove, and the driving assembly and the rotating handle are connected to close and open the gate valve; and

drive mechanism, drive mechanism includes third bevel gear, first dwang, fourth bevel gear and second dwang, the second dwang rotates to connect in the lower inner wall of mounting groove, third bevel gear fixed connection is in the top of second dwang, first dwang rotates to be connected in the adjacent inner wall of mounting groove, fourth bevel gear fixed connection is in the circumferential surface of first dwang, fourth bevel gear and third bevel gear mesh mutually.

As a preferable aspect of the present invention, the driving assembly includes a first bevel gear and a second bevel gear, a rotating rod is fixedly connected to a bottom end of the rotating handle, the rotating rod is rotatably connected to a top end of the upper device housing, a lower end of the rotating rod movably penetrates through the top end of the upper device housing and extends downward, and the first bevel gear and the second bevel gear are engaged with each other.

As a preferred scheme of the present invention, the front end and the rear end of the device shell are both fixedly connected with a pipeline, the front end and the rear end of each of the two pipelines are respectively and fixedly connected with a connector, and the front end of the pipeline positioned at the front side is provided with a circular groove.

As a preferred scheme of the present invention, the bottom end of the device shell is fixedly connected with a lower bearing plate, and the left and right ends of the lower bearing plate are respectively and movably hinged with two hinge shaft plates through hinge shafts.

As a preferable scheme of the present invention, the lower end of the upper device shell is fixedly connected with a fixing plate, four corners of the upper end of the fixing plate are respectively provided with a screw hole, and the four screw holes are respectively in threaded connection with a strong bolt.

As a preferred embodiment of the present invention, the bottom end of the second rotating rod movably penetrates through the lower inner wall of the mounting groove and is rotatably connected to the circumferential inner wall of the circular groove, and the circumferential surface of the second rotating rod is fixedly connected with the valve plate.

As a preferable aspect of the present invention, the upper device case is provided with fluorescent plates at both left and right ends thereof.

Compared with the prior art, the utility model has the beneficial effects that:

1. in this scheme, the surface of rotating the handle adopts anti-skidding material to make, can make the staff effect better when rotating, and the connector can make the device effect when connecting more stable, and hinge board accessible hinge is fixed, offers the bolt in the screw hole through hinge board upside and fixes the downside atress board, can make the downside atress board reach fixing device's effect.

2. In this scheme, threaded hole is seted up to the upper end of two hinge board, and threaded hole plays mounting bolt's effect, and the shell makes the device fix, avoids the unstable influence device operation of bottom when transmitting liquid, and the surface of fluorescent screen is provided with fluorescent material and makes, can make the device play the effect of warning when using night.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

fig. 4 is a side view of the present invention.

In the figure: 1. a device housing; 2. an upper device housing; 3. a pipeline; 4. a connector; 5. a lower force-bearing plate; 6. a hinge shaft plate; 7. a fixing plate; 8. a strong bolt; 9. rotating the handle; 10. a valve plate; 11. a first rotating lever; 12. a first bevel gear; 13. a second bevel gear; 14. a third bevel gear; 15. a fourth bevel gear; 16. a second rotating lever; 17. a fluorescent plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, the present invention provides the following technical solutions:

the device comprises a device shell 1, wherein the top end of the device shell 1 is fixedly connected with an upper device shell 2, and the top end of the upper device shell 2 is provided with a mounting groove;

the driving mechanism comprises a driving assembly and a rotating handle 9, the driving assembly and the rotating handle 9 are both arranged in the mounting groove, and the driving assembly is connected with the rotating handle 9 to close and open the gate valve; and

the transmission mechanism comprises a third bevel gear 14, a first rotating rod 11, a fourth bevel gear 15 and a second rotating rod 16, the second rotating rod 16 is rotatably connected to the lower inner wall of the mounting groove, the third bevel gear 14 is fixedly connected to the top end of the second rotating rod 16, the first rotating rod 11 is rotatably connected to the adjacent inner wall of the mounting groove, the fourth bevel gear 15 is fixedly connected to the circumferential surface of the first rotating rod 11, and the fourth bevel gear 15 is meshed with the third bevel gear 14.

In the embodiment of the utility model, the device shell 1 is made of stainless steel material, which can greatly improve the service life of the device, the surface of the rotating handle 9 is made of anti-skid material, which can make the working personnel have better effect in rotation, the connector 4 can make the device have more stable effect in connection, the hinge plate 6 can be fixed by the hinge shaft, the lower stress plate 5 can be fixed by the bolt in the screw hole arranged on the upper side of the hinge plate 6, which can make the lower stress plate 5 achieve the effect of fixing the device, the rotating rod plays a role of driving the transmission mechanism, the valve plate 10 plays a role of closing the valve body, the first bevel gear 12 plays a role of driving the second bevel gear 13 to rotate, and the second bevel gear 13 drives the first rotating rod 11 to rotate, so that the rotating force is uniformly distributed on the circumferential surface of the first rotating rod 11, and the third bevel gear 14 plays a role of closing the valve body, The fourth bevel gear 15 and the second rotating rod 16 are both provided with two closing gate valves which are closed on both sides.

Referring to fig. 1-4, the driving assembly includes a first bevel gear 12 and a second bevel gear 13, a rotating rod is fixedly connected to the bottom end of the rotating handle 9, the rotating rod is rotatably connected to the top end of the upper housing 2, the lower end of the rotating rod movably penetrates through the top end of the upper housing 2 and extends downward, and the first bevel gear 12 and the second bevel gear 13 are engaged with each other.

In this embodiment: the dwang drives first bevel gear 12 when rotating and rotates, thereby first bevel gear 12 drives surperficial second bevel gear 13 and rotates, thereby second bevel gear 13 drives first dwang 11 and rotates at the inner wall about the mounting groove, drive two fourth bevel gear 15 on surface when first dwang 11 rotates and rotate, thereby fourth bevel gear 15 drives surperficial third bevel gear 14 and rotates, third bevel gear 14 drives second dwang 16 of lower extreme and rotates, thereby second dwang 16 drives surperficial valve block 10 and rotates and reach the effect of closing.

Specifically, referring to fig. 1-4, the front and rear ends of the device housing 1 are fixedly connected with the pipes 3, the front and rear ends of the two pipes 3 are respectively fixedly connected with the connectors 4, and the front end of the front pipe 3 is provided with a circular groove.

In this embodiment: the pipe 3 plays a role of transferring liquid inside the pipe, the connector 4 plays a role of connecting the pipe, and the circular groove is used for transferring liquid and installing the valve plate 10.

Referring to fig. 1-4, the bottom end of the device housing 1 is fixedly connected with a lower stress plate 5, and the left and right ends of the lower stress plate 5 are respectively hinged with two hinge shaft plates 6 through hinge shafts.

In this embodiment: threaded holes are formed in the upper ends of the two hinge shaft plates 6, the threaded holes play a role in installing bolts, and the shell enables the device to be fixed, so that the phenomenon that the operation of the device is influenced by instability of the bottom when liquid is transmitted is avoided.

Specifically, referring to fig. 1, the lower end of the upper device housing 2 is fixedly connected with a fixing plate 7, four corners of the upper end of the fixing plate 7 are respectively provided with a screw hole, and four screw holes are respectively in threaded connection with a strong bolt 8.

In this embodiment: the fixed plate 7 is made of stainless steel materials, the upper device shell 2 is fixed through the threaded holes formed in the four corners of the upper end of the fixed plate 7 and the powerful bolts 8 in the threaded holes, and therefore the top end gap between the upper device shell 2 and the device shell 1 is reduced and is more stable.

Specifically, referring to fig. 1, the bottom end of the second rotating rod 16 movably penetrates through the lower inner wall of the mounting groove and is rotatably connected to the circumferential inner wall of the circular groove, and the valve plate 10 is fixedly connected to the circumferential surface of the second rotating rod 16.

In this embodiment: the second rotating lever 16 rotates to drive the surface-fixed valve sheet 10 to rotate, so that the valve sheet 10 rotates in the circular groove to close the liquid in the circular groove.

Specifically, referring to the figure, the fluorescent plates 17 are disposed at both left and right ends of the upper device case 2.

In this embodiment: the surface of the fluorescent plate 17 is provided with fluorescent material, so that the device can play a role of warning when used at night.

The working principle and the using process of the utility model are as follows: when using this device, thereby rotate 9 through rotating and drive the dwang and rotate and drive bottom mounting's first conical gear 12 and drive second conical gear 13 and rotate in the top of upper side device shell 2, thereby second conical gear 13 drives first dwang 11 and rotates at the inner wall about the mounting groove, thereby first dwang 11 transfers fixed surface's fourth conical gear 15 to rotate, thereby fourth conical gear 15 drives third conical gear 14 and rotates, thereby third conical gear 14 drives second dwang 16 and rotates, thereby second dwang 16 drives valve block 10 on surface and reaches the effect of closing liquid in the circular recess.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A grooved dark stem gate valve with good sealing and easy installation, is characterized in that, comprising:

a device casing (1), the top end of the device casing (1) is fixedly connected with an upper device casing (2), and the top end of the upper device casing (2) is provided with a mounting groove;

A drive mechanism, the drive mechanism includes a drive assembly and a rotating handle (9), the drive assembly and the rotating handle (9) are both arranged in the installation groove, and the drive assembly and the rotating handle (9) are connected to realize closing and opening the gate valve ;as well as

A transmission mechanism comprising a third bevel gear (14), a first rotating rod (11), a fourth bevel gear (15) and a second rotating rod (16), the second rotating rod (16) ) is rotatably connected to the lower inner wall of the installation slot, the third bevel gear (14) is fixedly connected to the top end of the second rotation rod (16), and the first rotation rod (11) is rotatably connected to the adjacent side of the installation slot On the inner wall, the fourth bevel gear (15) is fixedly connected to the circumferential surface of the first rotating rod (11), and the fourth bevel gear (15) is meshed with the third bevel gear (14).

2. The grooved dark stem gate valve with good sealing performance and easy installation according to claim 1, characterized in that: the drive assembly comprises a first bevel gear (12) and a second bevel gear (13), The bottom end of the rotating handle (9) is fixedly connected with a rotating rod, the rotating rod is rotatably connected to the top end of the upper device shell (2), and the lower end of the rotating rod movably penetrates the top end of the upper device shell (2). And extending downward, the first bevel gear (12) meshes with the second bevel gear (13).

3. A grooved dark stem gate valve with good sealing performance and easy installation according to claim 2, characterized in that: the front and rear ends of the device shell (1) are fixedly connected with pipes (3), and the two The front and rear ends of the pipeline (3) are respectively fixedly connected with connecting heads (4), and the front end of the pipeline (3) located on the front side is provided with a circular groove.

4. A grooved dark stem gate valve with good sealing performance and easy installation according to claim 3, characterized in that: the bottom end of the device shell (1) is fixedly connected with the lower side force plate (5), so The left and right ends of the lower side force-bearing plate (5) are respectively hinged with two hinge shaft plates (6) through the hinge shaft.

5. A grooved gate valve with good sealing and easy installation according to claim 4, characterized in that: a fixing plate (7) is fixedly connected to the lower end of the upper device shell (2), and the fixing The four corners of the upper end of the plate (7) are provided with screw holes, and strong bolts (8) are threadedly connected in the four screw holes.

6. A grooved gate valve with good sealing and easy installation according to claim 5, characterized in that: the bottom end of the second rotating rod (16) movably penetrates the lower inner wall of the installation groove and is rotatably connected to A valve plate (10) is fixedly connected to the circumferential inner wall of the circular groove, and the circumferential surface of the second rotating rod (16).

7 . The grooved dark stem gate valve with good sealing performance and easy installation according to claim 6 , characterized in that: the left and right ends of the upper device shell ( 2 ) are provided with fluorescent plates ( 17 ). 8 .