CN220792102U - Hidden rod gate valve - Google Patents

Abstract

The utility model discloses a hidden rod gate valve, which belongs to the technical field of hidden rod gate valves and comprises a valve body, an inner cavity, a hand wheel, a rotating rod, a threaded connecting rod, a water delivery port, a water guide port, a flashboard, a movable groove and a connecting pipe, wherein the two sides of the bottom of the valve body are connected with the water delivery port through pipelines, the water guide port is arranged in the water delivery port in a matched manner, the hand wheel is arranged at the top of the valve body through rotation of the rotating rod, the threaded connecting rod is welded at the bottom end of the rotating rod, the inner cavity is arranged in the valve body, the flashboard is movably arranged in the inner cavity, and the movable groove is arranged at the top of the flashboard. According to the utility model, the protection mechanism is arranged, and the inner edge, the pad seat, the top groove, the movable base plate, the planar bearing, the sleeve edge and the guide rod are matched for use, so that the planar bearing can be utilized to enable the hand wheel to drive the rotating rod to rotate more smoothly and more effort-saving, and the downward rotating acting force applied to the valve body during the rotation of the hand wheel and the rotating rod can be relieved, so that the service life of the rotating rod is effectively prolonged, and the abrasion is reduced.

Description

Hidden rod gate valve

Technical Field

The utility model belongs to the technical field of hidden rod gate valves, and particularly relates to a hidden rod gate valve.

Background

The opening and closing piece of the hidden rod gate valve is a gate plate, the moving direction of the gate plate is vertical to the fluid direction, the gate plate can be adjusted and throttled, a valve rod nut is arranged on the gate plate, a hand wheel rotates to drive a valve rod to rotate, 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, namely operation torque is changed into operation thrust through threads at the bottom end of the valve rod and a guide groove on a valve clack.

The hidden rod gate valve comprises a valve body and a valve cover, wherein the valve body comprises a fluid channel, a gate plate groove is formed in the fluid channel, a gate plate cavity is reserved between the valve cover and the valve body, a rotating rod is rotatably arranged on the valve cover, a rotating handle is fixed on the rotating rod, a threaded cylinder is fixed on the rotating rod, a gate plate is arranged in the valve body, a gate plate hole is formed in the valve body, a threaded rod is fixed on the gate plate, a slide way is arranged in the fluid channel, and a slide block is slidably matched in the slide way, so that the service life of the valve is prolonged, damage to sealing elements caused by residual fluid in the gate plate cavity is reduced, and the service life of the valve is further prolonged; the disadvantages are as follows:

research and analysis find that the device drives each device transmission through twisting the hand wheel and thereby drives the flashboard and remove and control work to rivers in the use, however at the in-process of rotating the hand wheel, manual owing to lack rotatory direction subassembly, consequently lead to the rotation of hand wheel comparatively laborious and stable smooth inadequately, consequently lead to the user to need use great power just to rotate the hand wheel, receive the effort in the rotation process simultaneously and can't unload the power, damage during the time of causing the valve body inside easily for a long time, and the device is fixed through using a plurality of bolts after with water delivery port and external piping connection, lead to the connection process of two comparatively loaded down with trivial details.

Disclosure of Invention

The utility model aims at: in order to solve the problems of tedious connection process and reduced service life, the hidden rod gate valve is provided.

The technical scheme adopted by the utility model is as follows: the utility model provides a hidden rod gate valve, includes valve body, inner chamber, hand wheel, bull stick, screw thread connecting rod, water delivery mouth, water guide mouth, flashboard, movable groove, connecting pipe, the valve body bottom comes both sides to have the water delivery mouth through the pipe connection, the inside supporting water guide mouth that is provided with of water delivery mouth, the valve body top is provided with the hand wheel through the bull stick rotation, bull stick bottom welding is provided with the screw thread connecting rod, the inside inner chamber that is provided with of valve body, the inside activity of inner chamber is provided with the flashboard, the flashboard top is provided with the movable groove, and threaded connection between movable groove and the screw thread connecting rod front end, the valve body outside has the connecting pipe, the inside sealing mechanism who is provided with the protection machanism that improves bull stick life and reduce the loss of use and between the water guide mouth and the coupling mechanism who can improve water delivery mouth and connecting pipe connection speed when the flashboard activity.

Wherein, protection machanism is including interior edge, backing plate, roof groove, movable backing plate, plane bearing, cover are along, guide bar, wherein, the inner chamber inner wall is close to the bull stick outside and is provided with interior edge, interior edge top both sides all are provided with the backing plate, backing plate top opposite side is provided with the roof groove, the inside elastic connection of roof groove has movable backing plate, backing plate top one side is provided with the guide bar, bull stick outer wall welding is provided with plane bearing, and plane bearing's quantity is two, and plane bearing's interior shaft inner wall and bull stick outer wall welding, and plane bearing's outer bottom and movable backing plate are connected, and movable backing plate top laminating has rubber, and the movable backing plate both sides all are provided with scrapes along, and roof groove inner wall laminating has the damping layer, and scrapes along the contact, plane bearing outer shaft wall both sides all are provided with the cover along, and the cover is followed in the guide bar outside activity, and elastic connection between guide bar and the plane bearing bottom.

The sealing mechanism comprises a flashboard bottom pad, a sealing cushion layer and a rubber sealing inner edge, wherein the flashboard bottom pad is arranged at the bottom of the inner cavity and is matched with the flashboard bottom, the sealing cushion layer is arranged on the inner wall of the flashboard bottom pad in a fitting mode, and the rubber sealing inner edge is arranged on the inner wall of the inner cavity, which is in contact with the flashboard, and the inner wall of the inner cavity, which is in contact with the flashboard, and the side wall of the top of the flashboard in a fitting mode.

Wherein, coupling mechanism includes the screw thread bull stick, prevents slow-witted stopper, prevents slow-witted spacing groove, wherein, equal threaded connection in both sides has the screw thread bull stick about the connector of water delivery mouth, the slow-witted stopper is installed through the bearing to screw thread bull stick front end, both sides outer wall all is provided with prevents slow-witted spacing groove about the connector of connecting pipe, and prevents slow-witted stopper for isosceles trapezoid setting, and prevent slow-witted stopper and prevent slow-witted spacing groove before being to agree with the setting, and prevent the removal of slow-witted stopper through the guide bar direction.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. according to the utility model, the protection mechanism is arranged, and the inner edge, the pad seat, the top groove, the movable base plate, the plane bearing, the sleeve edge and the guide rod are matched for use, so that the plane bearing can be used for enabling the hand wheel to drive the rotating rod to rotate more smoothly and more effort-saving, and the downward rotating acting force applied to the valve body during the rotation of the hand wheel and the rotating rod can be used for unloading force, thereby effectively prolonging the service life of the rotating rod and reducing abrasion.

2. According to the utility model, the sealing mechanism is arranged, and the sealing efficiency of removing the inner cavity and the water guide port when the flashboard moves can be effectively improved through the matched use among the flashboard bottom pad, the sealing cushion layer and the rubber sealing inner edge, so that the overall sealing performance of the device is improved.

3. According to the utility model, the water delivery port and the connecting pipe can be conveniently and rapidly connected through the matching use among the threaded rotating rod, the fool-proof limiting block and the fool-proof limiting groove by arranging the connecting mechanism, so that the traditional mode of connecting and fixing the water delivery port and the connecting pipe through a plurality of bolts is replaced, and the installation speed and the installation efficiency are effectively improved.

Drawings

FIG. 1 is a schematic diagram of the overall three-dimensional exploded structure of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic diagram of the enlarged construction of FIG. 2A according to the present utility model;

FIG. 4 is a schematic diagram of an enlarged structure at B in FIG. 2 according to the present utility model;

fig. 5 is a schematic diagram of the enlarged structure of fig. 2 at C in accordance with the present utility model.

The marks in the figure: 1. a valve body; 101. an inner cavity; 1011. a flashboard bottom pad; 1012. a sealing cushion layer; 102. a hand wheel; 2. a rotating rod; 201. a threaded connecting rod; 3. a water delivery port; 301. a water guide port; 302. a threaded rotating rod; 303. fool-proof limiting block; 4. a flashboard; 401. a movable groove; 5. a connecting pipe; 501. fool-proof limit groove; 6. an inner edge; 601. a pad seat; 602. a top groove; 603. a movable backing plate; 7. a planar bearing; 701. a sleeve edge; 8. a guide rod; 9. and the inner edge is sealed by rubber.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-5, a hidden rod gate valve comprises a valve body 1, an inner cavity 101, a hand wheel 102, a rotating rod 2, a threaded connecting rod 201, a water delivery port 3, a water guide port 301, a gate plate 4, a movable groove 401 and a connecting pipe 5, wherein both sides of the bottom of the valve body 1 are connected with the water delivery port 3 through pipelines, the water guide port 301 is arranged in the water delivery port 3 in a matched mode, the hand wheel 102 is rotatably arranged at the top of the valve body 1 through the rotating rod 2, the threaded connecting rod 201 is welded at the bottom end of the rotating rod 2, the inner cavity 101 is arranged in the valve body 1, the gate plate 4 is movably arranged in the inner cavity 101, the movable groove 401 is arranged at the top of the gate plate 4, the movable groove 401 is in threaded connection with the front end of the threaded connecting rod 201, the connecting pipe 5 is arranged outside the valve body 1, and a protection mechanism for prolonging the service life of the rotating rod 2 and reducing use loss and a sealing mechanism for improving the sealing performance between the gate plate 4 and the water guide port 301 when the gate plate 4 moves and a connecting mechanism for improving the connection speed of the water delivery port 3 and the connecting pipe 5 are arranged in the valve body.

Referring to fig. 1-3, in this embodiment, the protection mechanism includes an inner edge 6, a pad 601, a top groove 602, a movable base plate 603, a plane bearing 7, a sleeve edge 701, and a guide rod 8, wherein the inner wall of the inner cavity 101 is provided with the inner edge 6 near the outer side of the rotating rod 2, both sides of the top of the inner edge 6 are provided with the pad 601, the other side of the top of the pad 601 is provided with the top groove 602, the movable base plate 603 is elastically connected inside the top groove 602, one side of the top of the pad 601 is provided with the guide rod 8, the outer wall of the rotating rod 2 is welded with the plane bearing 7, the number of the plane bearings 7 is two, the inner shaft inner wall of the plane bearing 7 is welded with the outer wall of the rotating rod 2, the outer shaft bottom of the plane bearing 7 is connected with the movable base plate 603, the top of the movable base plate 603 is adhered with rubber, both sides of the movable base plate 603 are provided with scraping edges, the inner wall of the top groove 602 is adhered with a damping layer, and the damping layer is contacted with the scraping edges, the sleeve edges 701 are arranged on two sides of the outer shaft wall of the plane bearing 7, the sleeve edges 701 move outside the guide rod 8, the guide rod 8 is elastically connected with the bottom of the plane bearing 7, the rotating hand wheel 102 drives the rotating rod 2 and the threaded connecting rod 201 to rotate and synchronously drives the flashboard 4 to move up and down, so that the water source interception by the flashboard 4 plays a role of opening and closing the flashboard, when the hand wheel 102 is rotated, the inner shaft of the plane bearing 7 is driven by the rotating rod 2, the rotating stability and smoothness of the rotating rod 2 are improved by the balls in the plane bearing 7, meanwhile, the rotating rod 2 is easily subjected to downward acting force by a user, so that part of downward acting force is applied to the rotating rod 2, at the moment, the acting force presses the movable base plate 603 in the top groove 602, and the acting force is unloaded by the contact of the scraping edge and the damping layer under the guide of the guide rod 8, thereby effectively prolonging the service life of the rotating rod 2 and reducing the use abrasion thereof.

Referring to fig. 1, 2 and 4, in this embodiment, the sealing mechanism includes a shutter bottom pad 1011, a sealing cushion 1012 and a rubber sealing inner edge 9, where the bottom of the inner cavity 101 is provided with the shutter bottom pad 1011, and the shutter bottom pad 1011 is matched with the bottom of the shutter 4, the inner wall of the shutter bottom pad 1011 is provided with the sealing cushion 1012, the inner wall of the inner cavity 101 contacted with the shutter 4 and the top side wall of the shutter 4 are provided with the rubber sealing inner edge 9, when the shutter 4 moves up and down, the outer wall of the shutter 4 contacts with the corresponding rubber sealing inner edge 9 to improve the tightness between the shutter bottom pad 1011 and the shutter bottom pad 1011, and meanwhile, when the shutter 4 is closed, the sealing efficiency between the shutter bottom pad 1011 and the shutter bottom pad 1011 can be improved, so as to effectively improve the sealing performance of the hidden rod gate valve.

Referring to fig. 1, 2, 5, in this embodiment, coupling mechanism includes screw thread bull stick 302, prevent slow-witted stopper 303, prevent slow-witted spacing groove 501, wherein, equal threaded connection in both sides has screw thread bull stick 302 about the connector of water delivery mouth 3, screw thread bull stick 302 front end passes through the bearing and installs prevent slow-witted stopper 303, the connector of connecting pipe 5 is upper and lower both sides outer wall all is provided with prevents slow-witted spacing groove 501, and prevent slow-witted stopper 303 is isosceles trapezoid setting, and prevent slow-witted stopper 303 is the fit setting before with preventing slow-witted spacing groove 501, and prevent slow-witted stopper 303 remove through the guide bar direction, through being connected connecting pipe 5 with corresponding water delivery mouth 3, and through twisting screw thread bull stick 302 rotation drive prevent slow-witted stopper 303 remove and agree with preventing slow-witted spacing groove 501 after the connection, fix connecting pipe 5 and water delivery mouth 3 that connect.

Working principle: firstly, through connecting pipe 5 with corresponding water delivery mouth 3, and through twisting the screw thread bull stick 302 rotation drive prevent slow-witted stopper 303 remove and with prevent slow-witted spacing groove 501 agreeing with after connecting, connecting pipe 5 and water delivery mouth 3 to connect are fixed, afterwards, can drive flashboard 4 simultaneously and reciprocate when rotating hand wheel 102 and driving bull stick 2 and screw thread connecting rod 201 pivoted, thereby utilize flashboard 4 to the interception of water source to play the function of opening floodgate and closing floodgate, when rotating hand wheel 102, can drive plane bearing 7's inner shaft rotation through bull stick 2, thereby utilize the ball in plane bearing 7 to improve bull stick 2 pivoted stability and smoothness, simultaneously because bull stick 2 receives the effort that the user pressed down easily, thereby it receives partial downward effort in the rotation in-process, the effort can be with movable backing plate 603 under the overhead tank 602 internal pressure at this moment, and utilize the spring and scrape the contact pair effort of edge and carry out the effort under the direction of guide bar 8, thereby effectively improve the life of bull stick 2 and reduce its service wear, finally, when flashboard 4 reciprocates, can make its corresponding inner wall and sealing gasket 9 seal the two and seal the flashboard 4 and seal the performance when sealing the two and sealing the flashboard 4 and sealing the bottom of the inner wall 9.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (7)

1. The utility model provides a hidden rod gate valve, includes valve body (1), inner chamber (101), hand wheel (102), bull stick (2), screw thread connecting rod (201), water delivery port (3), water guide port (301), flashboard (4), movable groove (401), connecting pipe (5), valve body (1) bottom all is passed through the pipe connection and is had water delivery port (3) in both sides, water delivery port (3) inside supporting water guide port (301) that is provided with, valve body (1) top is provided with hand wheel (102) through bull stick (2) rotation, bull stick (2) bottom welding is provided with screw thread connecting rod (201), valve body (1) inside is provided with inner chamber (101), inner chamber (101) inside activity is provided with flashboard (4), flashboard (4) top is provided with movable groove (401), and threaded connection between movable groove (401) and screw thread connecting rod (201) front end, valve body (1) outside has connecting pipe (5), its characterized in that: the valve body (1) is internally provided with a protection mechanism for prolonging the service life of the rotating rod (2) and reducing the use loss, a sealing mechanism for improving the sealing performance between the flashboard (4) and the water guide port (301) when the flashboard (4) moves, and a connecting mechanism for improving the connecting speed of the water guide port (3) and the connecting pipe (5).

2. A blind rod gate valve as defined in claim 1, wherein: protection machanism is including interior edge (6), backing plate (601), roof groove (602), movable backing plate (603), plane bearing (7), cover along (701), guide bar (8), wherein, inner chamber (101) inner wall is close to bull stick (2) outside and is provided with interior edge (6), interior edge (6) top both sides all are provided with backing plate (601), backing plate (601) top opposite side is provided with roof groove (602), inside elastic connection of roof groove (602) has movable backing plate (603), backing plate (601) top one side is provided with guide bar (8), bull stick (2) outer wall welding is provided with plane bearing (7), plane bearing (7) outer axle wall both sides all are provided with cover along (701).

3. A blind rod gate valve as defined in claim 1, wherein: the sealing mechanism comprises a flashboard bottom pad (1011), a sealing cushion layer (1012) and a rubber sealing inner edge (9), wherein the flashboard bottom pad (1011) is arranged at the inner bottom of the inner cavity (101), the sealing cushion layer (1012) is arranged on the inner wall of the flashboard bottom pad (1011) in a fitting mode, and the rubber sealing inner edge (9) is arranged on the inner wall of the inner cavity (101) in contact with the flashboard (4) and the side wall of the top of the flashboard (4) in a fitting mode.

4. A blind rod gate valve as defined in claim 1, wherein: the connecting mechanism comprises a threaded rotating rod (302), fool-proof limiting blocks (303) and fool-proof limiting grooves (501), wherein the threaded rotating rod (302) is connected to the upper side and the lower side of a connecting port of the water delivery port (3) in a threaded mode, the fool-proof limiting blocks (303) are installed at the front end of the threaded rotating rod (302) through bearings, and fool-proof limiting grooves (501) are formed in the outer walls of the upper side and the lower side of the connecting port of the connecting pipe (5).

5. A blind rod gate valve as defined in claim 2, wherein: the number of the plane bearings (7) is two, the inner shaft inner wall of the plane bearings (7) is welded with the outer wall of the rotating rod (2), the outer shaft bottom of the plane bearings (7) is connected with the movable base plate (603), rubber is attached to the top of the movable base plate (603), scraping edges are arranged on two sides of the movable base plate (603), damping layers are attached to the inner wall of the top groove (602), the damping layers are contacted with the scraping edges, the sleeve edges (701) move outside the guide rods (8), and the guide rods (8) are elastically connected with the bottoms of the plane bearings (7).

6. A blind rod gate valve according to claim 3, wherein: the flashboard bottom pad (1011) is matched with the bottom of the flashboard (4).

7. The blind rod gate valve as defined in claim 4, wherein: fool-proof limiting blocks (303) are arranged in an isosceles trapezoid, the fool-proof limiting blocks (303) are arranged in a matched mode in front of fool-proof limiting grooves (501), and movement of the fool-proof limiting blocks (303) is guided through guide rods.