CN212407607U

CN212407607U - Valve rod rotates gate valve of laborsaving

Info

Publication number: CN212407607U
Application number: CN202020776349.5U
Authority: CN
Inventors: 张青松
Original assignee: Shanghai Mingtong Industrial Development Group Co ltd
Current assignee: Shanghai Mingtong Industrial Development Group Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2021-01-26
Anticipated expiration: 2030-05-12

Abstract

The utility model discloses a valve rod rotates gate valve of laborsaving, including valve body, flange, valve cap, constant head tank, valve plate, bearing, screw thread valve rod, thread groove and slewing mechanism, the equal fixedly connected with flange in the left and right sides of valve body, the fixedly connected with valve cap of mid point department at valve body top, the constant head tank has been seted up in mid point department of valve body inner wall bottom, the inside of constant head tank is provided with the valve plate, the top of valve plate runs through constant head tank and valve body in proper order and extends to the inside of valve cap, fixedly connected with bearing in the recess of valve plate top mid point department. The utility model discloses a valve body, flange, valve cap, constant head tank, valve plate, bearing, screw thread valve rod, thread groove, slewing mechanism, spacing groove and stopper mutually support, have played laborsaving effect, do not need the user to consume great strength just can drive the screw thread valve rod and rotate when opening and closing the gate valve, and labour saving and time saving has greatly alleviateed user's intensity of labour, brings very big facility for the user.

Description

Valve rod rotates gate valve of laborsaving

Technical Field

The utility model relates to a gate valve technical field specifically is a valve rod rotates gate valve of laborsaving.

Background

A gate valve is one of the most common on-off valves, and a gate plate (i.e., an opening and closing member, in which the opening and closing member is called a gate plate or a gate, and a gate seat is called a gate plate seat) is used to open (fully open) or cut off (fully closed) a medium in a pipeline. It is not allowed to be used for intercepting, and the flashboard is prevented from being opened slightly in use, so that the damage of a sealing surface is accelerated due to the erosion of a high-speed flowing medium. The double-pole gate plate is used for lifting and falling on a plate surface perpendicular to the central line of a gate seat channel, cuts off media in a pipeline like a gate, and is called a gate valve. A gate valve refers to a valve in which a closing member (gate) moves in a direction perpendicular to the center line of a passage. The gate valve is mainly used for cutting in the pipeline. A forged steel gate valve is a widely used valve, a general cutting device with the caliber DN being more than or equal to 50mm is selected, and sometimes, a cutting device with a small caliber is also selected as a gate valve. The gate valve is a lower-grade valve and is common.

However, when the existing gate valve is opened and closed, a user needs to consume large strength to drive the valve rod to rotate, time and labor are wasted, the labor intensity of the user is greatly increased, and great inconvenience is brought to the user.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve rod rotates gate valve of laborsaving to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a gate valve with a labor-saving rotary valve rod, which comprises a valve body, a flange, a valve cap, a positioning groove, a valve plate, a bearing, a threaded valve rod, a threaded groove and a rotary mechanism, the left side and the right side of the valve body are both fixedly connected with flanges, the middle point of the top of the valve body is fixedly connected with a valve cap, a positioning groove is arranged at the midpoint of the bottom of the inner wall of the valve body, a valve plate is arranged inside the positioning groove, the top of the valve plate penetrates through the positioning groove and the valve body in sequence and extends to the interior of the valve cap, a bearing is fixedly connected in a groove at the middle point of the top of the valve plate, a threaded valve rod is movably connected inside the bearing, a threaded groove is arranged at the middle point of the top of the valve cap, the top of the threaded valve rod penetrates through the bearing and the threaded groove in sequence and extends to the outside of the threaded groove, the threaded valve rod is in threaded connection with the threaded groove, and a rotating mechanism is arranged at the top of the threaded valve rod;

slewing mechanism includes the casing, shells inner wall's right side is provided with the supporting shoe, sliding connection between the surface of supporting shoe and the inner wall of casing, the left mid point department fixedly connected with dead lever of supporting shoe, the left end of dead lever runs through the casing and extends to its outside fixedly connected with handle, six draw-in grooves have been seted up to the dead lever top and the position that is located the casing inside, the left side swing joint at casing top has the fixture block, the bottom of fixture block runs through casing and draw-in groove in proper order and extends to the inside of draw-in groove, the joint between fixture block and the draw-in groove, the top fixedly connected with fixed plate of fixture block, the fixture block surface just is located the top fixedly connected with baffle of dead lever, spacing spring has been cup jointed on.

Preferably, the spacing groove has all been seted up to the left and right sides of valve cap inner wall, the spacing groove has all been seted up to the left and right sides of valve plate, the equal fixedly connected with stopper in top of the valve plate left and right sides, one side that the valve plate was kept away from to the stopper runs through the spacing groove and extends to inside it, sliding connection between stopper and the spacing groove.

Preferably, the valve plate is movably connected with the positioning groove.

Preferably, the valve plate is movably connected with the valve body.

Preferably, the fixing rod is movably connected with the shell.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a valve body, flange, valve cap, constant head tank, valve plate, bearing, screw thread valve rod, thread groove, slewing mechanism, spacing groove and stopper mutually support, have played laborsaving effect, do not need the user to consume great strength just can drive the screw thread valve rod and rotate when opening and closing the gate valve, and labour saving and time saving has greatly alleviateed user's intensity of labour, brings very big facility for the user.

Drawings

FIG. 1 is a structural section view in elevation of the present invention;

fig. 2 is a schematic structural view of the front view of the present invention;

fig. 3 is an enlarged schematic view of a in fig. 1 according to the present invention.

In the figure: 1 valve body, 2 flanges, 3 valve caps, 4 positioning grooves, 5 valve plates, 6 bearings, 7 threaded valve rods, 8 threaded grooves, 9 rotating mechanisms, 901 shells, 902 supporting blocks, 903 fixing rods, 904 handles, 905 clamping grooves, 906 clamping blocks, 907 fixing plates, 908 baffle plates, 909 limiting springs, 10 limiting grooves and 11 limiting blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a valve rod rotating labor-saving gate valve comprises a valve body 1, a flange 2, a valve cap 3, a positioning groove 4, a valve plate 5, a bearing 6, a threaded valve rod 7, a threaded groove 8 and a rotating mechanism 9, wherein the left side and the right side of the valve body 1 are fixedly connected with the flange 2, the middle point of the top of the valve body 1 is fixedly connected with the valve cap 3, the middle point of the bottom of the inner wall of the valve body 1 is provided with the positioning groove 4, the valve plate 5 is arranged inside the positioning groove 4, the top of the valve plate 5 sequentially penetrates through the positioning groove 4 and the valve body 1 and extends to the inside of the valve cap 3, the valve plate 5 is movably connected with the valve body 1, the valve plate 5 is movably connected with the positioning groove 4, the bearing 6 is fixedly connected inside the middle point of the valve plate 5, the inside of the bearing 6 is movably connected with the threaded valve rod 7, the middle point of the top, threaded connection between screw valve rod 7 and the thread groove 8, the top of screw valve rod 7 is provided with slewing mechanism 9, and spacing groove 10 has all been seted up to the left and right sides of 3 inner walls of valve cap, the equal fixedly connected with stopper 11 in top of the 5 left and right sides of valve plate, and stopper 11 is kept away from one side of valve plate 5 and is run through spacing groove 10 and extend to inside, sliding connection between stopper 11 and the spacing groove 10.

The rotating mechanism 9 comprises a housing 901, a supporting block 902 is arranged on the right side of the inner wall of the housing 901, the surface of the supporting block 902 is connected with the inner wall of the housing 901 in a sliding manner, a fixing rod 903 is fixedly connected to the left middle point of the supporting block 902, the left end of the fixing rod 903 penetrates through the housing 901 and extends to a handle 904 which is fixedly connected to the outside of the housing 901, the fixing rod 903 is movably connected with the housing 901, six clamping grooves 905 are formed in the top of the fixing rod 903 and located inside the housing 901, a clamping block 906 is movably connected to the left side of the top of the housing 901, the bottom of the clamping block 906 penetrates through the housing 901 and the clamping grooves 905 in sequence and extends to the inside of the clamping grooves 905, the clamping block 906 is clamped with the clamping grooves 905, a fixing plate 907 is fixedly connected to the top of the clamping block 906.

During the use, when needing to open or close the gate valve, the user upwards pulls fixed plate 907, thereby drive fixture block 906 and baffle 908 upward movement, compress spacing spring 909 simultaneously, thereby make fixture block 906 break away from the draw-in groove 905 completely can, then pull handle 904 left, thereby drive dead lever 903 and supporting shoe 902 leftward movement, thereby make handle 904 leftward movement to extreme position can, then loosen fixed plate 907, thereby under the spring action of spacing spring 909, make fixture block 906 insert in corresponding draw-in groove 905 can, thereby the application lever principle, the arm of force is longer, it is more laborsaving, then clockwise or anticlockwise promote handle 904, thereby can drive handle 904, casing 901, threaded valve rod 7 forward rotation or reverse rotation, thereby can drive valve plate 5 and go up and down, thereby can realize opening or closing of gate valve.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gate valve of valve rod rotation laborsaving, includes valve body (1), flange (2), valve cap (3), constant head tank (4), valve plate (5), bearing (6), screw rod (7), thread groove (8) and slewing mechanism (9), its characterized in that: the valve is characterized in that flanges (2) are fixedly connected to the left side and the right side of the valve body (1), a valve cap (3) is fixedly connected to the middle point of the top of the valve body (1), a positioning groove (4) is formed in the middle point of the bottom of the inner wall of the valve body (1), a valve plate (5) is arranged inside the positioning groove (4), the top of the valve plate (5) sequentially penetrates through the positioning groove (4) and the valve body (1) and extends to the inside of the valve cap (3), a bearing (6) is fixedly connected to the groove at the middle point of the top of the valve plate (5), a threaded valve rod (7) is movably connected inside the bearing (6), a threaded groove (8) is formed in the middle point of the top of the valve cap (3), the top of the threaded valve rod (7) sequentially penetrates through the bearing (6) and the threaded groove (8) and extends to the outside of the threaded groove (8), the top of the threaded valve rod (7) is provided with a rotating mechanism (9);

the rotating mechanism (9) comprises a shell (901), a supporting block (902) is arranged on the right side of the inner wall of the shell (901), the surface of the supporting block (902) is connected with the inner wall of the shell (901) in a sliding manner, a fixing rod (903) is fixedly connected to the midpoint of the left side of the supporting block (902), the left end of the fixing rod (903) penetrates through the shell (901) and extends to the outside of the fixing rod (904), six clamping grooves (905) are formed in the top of the fixing rod (903) and located in the shell (901), a clamping block (906) is movably connected to the left side of the top of the shell (901), the bottom of the clamping block (906) sequentially penetrates through the shell (901) and the clamping grooves (905) and extends to the inside of the clamping grooves (905), the clamping block (906) is clamped with the clamping grooves (905), and a fixing plate (907) is fixedly connected, the surface of the clamping block (906) is fixedly connected with a baffle (908) at the top of the fixing rod (903), and the surface of the clamping block (906) is sleeved with a limiting spring (909) above the baffle (908).

2. A valve stem turning labor saving gate valve according to claim 1, wherein: spacing groove (10) have all been seted up to the left and right sides of valve cap (3) inner wall, the equal fixedly connected with stopper (11) in top of valve plate (5) left and right sides, one side that valve plate (5) were kept away from in stopper (11) runs through spacing groove (10) and extends to inside, sliding connection between stopper (11) and spacing groove (10).

3. A valve stem turning labor saving gate valve according to claim 1, wherein: the valve plate (5) is movably connected with the positioning groove (4).

4. A valve stem turning labor saving gate valve according to claim 1, wherein: the valve plate (5) is movably connected with the valve body (1).

5. A valve stem turning labor saving gate valve according to claim 1, wherein: the fixed rod (903) is movably connected with the shell (901).