CN206802356U - A kind of Novel Brake Valve - Google Patents

Abstract

The utility model discloses a kind of valve body and wedge-shaped flashboard, wedge-shaped flashboard is located at the inner side of valve body, bonnet has been bolted to connection at the top of valve body, gland has been bolted at the top of bonnet, the top of gland is provided with sleeve, clamping ring and handwheel, is provided with valve rod at the center of handwheel, the bottom of valve rod is fixedly connected with wedge-shaped flashboard, wedge-shaped flashboard includes main gate-board, sealing panel, locating piece, locating ring and drum type seat, and sealing panel is located at the side of main gate-board；This Novel Brake Valve, wedge-shaped flashboard is located at the inner side of valve body, and wedge-shaped flashboard is flexibly connected the inwall of valve body, and traditional wedge-shaped flashboard is in seal process, the abrasion of sealing panel is larger, service life is not grown, and waste is big, need to often change wedge-shaped flashboard, substantial amounts of man power and material is caused to consume, and the main gate-board and sealing panel in this wedge-shaped flashboard are provided separately, the larger sealing panel of extent of deterioration can be individually replaced, and greatly reduce cost.

Description

A new gate valve

technical field

The utility model relates to the technical field of gate valves, in particular to a novel gate valve.

Background technique

The gate valve is a gate of the opening and closing part. The movement direction of the gate is perpendicular to the direction of the fluid. The gate valve can only be fully opened and fully closed. When the gate valve is closed, the sealing surface can be sealed only by the medium pressure, that is, only by the medium pressure. The sealing surface of the ram is pressed against the valve seat on the other side to ensure the sealing of the sealing surface; during the sealing process of the existing wedge-shaped ram, the sealing panel wears a lot, and even scratches are prone to occur at high temperatures, so the traditional The service life of the wedge gate is not long, and the loss of the wedge gate is large, which requires frequent maintenance and wedge gate, resulting in a large amount of manpower and material consumption and cost increase.

Utility model content

The purpose of this utility model is to provide a new type of gate valve, which has the advantages of long service life and cost saving, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a new type of gate valve, including a valve body and a wedge-shaped gate, the wedge-shaped gate is located inside the valve body, the wedge-shaped gate is movably connected to the inner wall of the valve body, and the valve body The top is fixedly connected with the bonnet by bolts, and the top of the bonnet is connected with the packing gland by bolts. A sleeve, clamping ring and hand wheel are arranged above the packing gland. The bottom end of the sleeve is fixedly connected with the packing gland. A clamping ring is installed on the top of the cylinder, the inner side of the clamping ring is provided with an internal thread, the outer side of the clamping ring is fixedly connected with the handwheel, the center of the handwheel is provided with a valve stem, and a valve stem is provided on the top of the valve stem. External thread, the valve stem is located inside the sleeve, the outer wall of the valve stem is movably connected with the clamping ring, and the bottom end of the valve stem is fixedly connected with the wedge gate through the mounting seat; the wedge gate includes a main gate, a sealing panel , positioning block, positioning ring and drum-shaped seat, the drum-shaped seat is installed on the side of the main ram, the main ram is located on one side of the sealing panel, the sealing panel is connected to the main ram through bolts and the drum-shaped seat, the main ram A locating ring is also connected to the side of the locating ring, the locating ring contacts and connects to the locating block, and the locating block is fixedly connected to the side of the sealing panel.

As a further solution of the utility model: a filler is installed at the joint between the valve cover and the packing gland, and the outer side of the valve stem is movably connected to the filler.

As a further solution of the utility model: the internal thread of the clamping ring matches the external thread of the valve stem.

As a further solution of the utility model: the main gate and the sealing panel are both movably connected with the inner wall of the valve body.

As a further solution of the utility model: a sealing ring is installed at the joint between the wedge gate and the valve body.

Compared with the prior art, the utility model has beneficial effects: the new gate valve, the wedge-shaped gate is located on the inner side of the valve body, and the wedge-shaped gate is movably connected to the inner wall of the valve body. During the sealing process of the traditional wedge-shaped gate, the sealing panel will be worn Larger, short service life, large loss, need to replace the wedge gate frequently, resulting in a lot of manpower and material consumption, and the main gate and sealing panel in this wedge gate are set separately, the sealing panel with a greater degree of wear It can be replaced separately, which greatly reduces the cost.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic diagram of the wedge gate of the present invention.

In the figure: 1-valve body; 2-wedge gate; 3-bonnet; 4-packing gland; 5-sleeve; 6-clamping ring; 7-handwheel; 8-valve stem; 9-main gate plate; 10-sealing panel; 11-positioning block; 12-positioning ring; 13-drum seat; 14-filler.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-2, in the embodiment of the utility model, a new gate valve includes a valve body 1 and a wedge gate 2, the wedge gate 2 is located inside the valve body 1, and the wedge gate 2 is movably connected to the valve body 1 On the inner wall, the wedge-shaped gate 2 is used to close the flow channel of the valve body 1. A sealing ring is installed at the connection between the wedge-shaped gate 2 and the valve body 1. The sealing ring ensures the tightness. The top of the valve body 1 is fixedly connected with the valve cover by bolts. 3. The top of the bonnet 3 is connected with the packing gland 4 by bolts, and the joint between the bonnet 3 and the packing gland 4 is installed with a packing 14. The packing 14 can prevent the leakage of the medium in the bonnet 3, increase the sealing performance, and reduce the packing pressure. A sleeve 5, a clamping ring 6 and a handwheel 7 are arranged above the cover 4, the bottom end of the sleeve 5 is fixedly connected to the packing gland 4, the top end of the sleeve 5 is installed with a clamping ring 6, and the inner side of the clamping ring 6 There is an internal thread, the outer side of the clamping ring 6 is fixedly connected to the handwheel 7, the center of the handwheel 7 is provided with a valve stem 8, the valve stem 8 is a long cylindrical rod, and the outer side of the valve stem 8 is movably connected to the packing 14 , the packing 14 can prevent the medium in the valve cover 3 from leaking from the connection between the valve stem 8 and the valve cover 3, and an external thread is provided on the top of the valve stem 8, the valve stem 8 is located inside the sleeve 5, and the clamping ring The internal thread of 6 is matched with the external thread of valve stem 8. The verticality of valve stem 8 can be ensured through thread engagement, and the valve stem 8 can drive wedge-shaped gate 2 to move up and down. The outer wall of valve stem 8 is clamped with The ring 6 is movably connected, and the bottom end of the valve stem 8 is fixedly connected with the wedge gate 2 through the mounting seat; during the sealing process of the wedge gate 2, the sealing panel 10 wears a lot, and is prone to scratches even at high temperatures, so The lifespan of traditional wedge gate 2 is not long, and the loss of wedge gate 2 is large, resulting in a large amount of manpower and material consumption. Wedge gate 2 includes main gate 9, sealing panel 10, positioning block 11, positioning ring 12 and drum-shaped Seat 13, drum-shaped seat 13 is installed on the side of main flashboard 9, and main flashboard 9 is positioned at the side of sealing panel 10, promptly the sealing panel 10 in this device is provided separately, is convenient to replace, and sealing panel 10 passes bolt and The drum-shaped seat 13 is connected to the main flashboard 9, and the side of the main flashboard 9 is also connected with a positioning ring 12, and the positioning ring 12 contacts and connects with the positioning block 11, and the positioning block 11 is fixedly connected with the side of the sealing panel 10, and the main flashing plate 9 and the sealing panel 10 are both movably connected to the inner wall of the valve body 1, not only the side of the main gate 9 is connected to the inner wall of the valve body 1, but the sealing panel 10 is also connected to the inner wall of the valve body 1, and the main gate in the wedge gate 2 The plate 9 and the sealing panel 10 are arranged separately, and the sealing panel 10 with a relatively large degree of wear and tear can be replaced separately, which greatly reduces the cost.

To sum up: in the new gate valve, the wedge gate 2 is located inside the valve body 1, and the wedge gate 2 is movably connected to the inner wall of the valve body 1. During the sealing process of the traditional wedge gate, the sealing panel wears a lot. The service life is not long, the loss is large, and the wedge-shaped gate needs to be replaced frequently, resulting in a large amount of manpower and material consumption. However, the main gate 9 and the sealing panel 10 in the wedge-shaped gate 2 are set separately, and the sealing panel 10 with a greater degree of wear and tear It can be replaced separately, which greatly reduces the cost.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (5)

1. a kind of Novel Brake Valve, including valve body（1）With wedge-shaped flashboard（2）, it is characterised in that：The wedge-shaped flashboard（2）Positioned at valve Body（1）Inner side, wedge-shaped flashboard（2）It is flexibly connected valve body（1）Inwall, valve body（1）Top be bolted to connection Bonnet（3）, bonnet（3）Top be bolted gland（4）, gland（4）Top be provided with sleeve（5）、 Clamping ring（6）And handwheel（7）, sleeve（5）Bottom be fixedly connected with gland（4）, sleeve（5）Top clamping ring is installed （6）, clamping ring（6）Inner side be provided with internal thread, clamping ring（6）Outer side edges be fixedly connected with handwheel（7）, handwheel（7）Center Place is provided with valve rod（8）, in the valve rod（8）Top offer external screw thread, valve rod（8）Positioned at sleeve（5）Inner side, valve rod （8）Lateral wall and clamping ring（6）It is flexibly connected, valve rod（8）Bottom pass through mounting seat and wedge-shaped flashboard（2）It is fixedly connected； The wedge-shaped flashboard（2）Including main gate-board（9）, sealing panel（10）, locating piece（11）, locating ring（12）With drum type seat（13）, Drum type seat（13）Installed in main gate-board（9）Side on, main gate-board（9）Positioned at sealing panel（10）Side, sealing panel （10）Pass through bolt and drum type seat（13）Connect main gate-board（9）, main gate-board（9）Side on be also associated with locating ring（12）, it is fixed Position ring（12）Contact connection locating piece（11）, locating piece（11）With sealing panel（10）Side be fixedly connected.

A kind of 2. Novel Brake Valve according to claim 1, it is characterised in that：The bonnet（3）With gland（4）Company The place of connecing is provided with filler（14）, valve rod（8）Outer side edges be flexibly connected filler（14）.

A kind of 3. Novel Brake Valve according to claim 1, it is characterised in that：The clamping ring（6）Internal thread and valve rod （8）External screw thread be engaged.

A kind of 4. Novel Brake Valve according to claim 1, it is characterised in that：The main gate-board（9）And sealing panel（10） And valve body（1）Inwall be flexibly connected.

A kind of 5. Novel Brake Valve according to claim 1, it is characterised in that：The wedge-shaped flashboard（2）With valve body（1）Company The place of connecing is provided with sealing ring.