CN213039862U

CN213039862U - Copper gate valve convenient to screw

Info

Publication number: CN213039862U
Application number: CN202021650794.3U
Authority: CN
Inventors: 黄振强; 梁金灿
Original assignee: Fujian Hongjie Valve Co ltd
Current assignee: Fujian Hongjie Valve Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-04-23
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses a copper gate valve convenient for screwing, which structurally comprises a valve body, a flange, a door cover, a filler, a pressing cap, a hand wheel, a nut, a screw rod, an oil hole, a pipeline, a locking cap, an oil groove, an oil cavity, a fastening ring, a flashboard, a backing plate, a moving part, a support plate and a limiting groove, when the flashboard contacts the gasket, the flashboard continuously moves downwards to apply pressure to the backing plate, the backing plate moves downwards along the connecting rod to extrude the spring seat, the backing plate moves downwards, meanwhile, the spring is extruded and connected with the supporting rod, the supporting rod applies pressure to the supporting plate, the supporting plate rotates through the rotating shaft, when the supporting plate generates inclination, the residual impurities and fluid in the flashboard flow out of the gate valve through the support plate, the utility model has the advantages that after the gate valve is used for a period of time, the lead screw probably rusts, can have impurity and liquid to pile up in the flashboard and can lead to the flashboard ageing even can lead to the gate valve can't screw completely and cause the sealed condition beneficial effect that becomes poor and produce the condition that leaks for a long time.

Description

Copper gate valve convenient to screw

Technical Field

The utility model belongs to the technical field of the gate valve equipment, in particular to copper gate valve convenient to screw.

Background

Copper valve is with cast valve of copper promptly, belong to industrial part, the valve plate is along with the lead screw makes elevating movement, be equipped with trapezoidal thread on the lead screw usually, screw hole on chrysanthemum hand wheel and the valve body through the valve top, become linear motion with rotary motion, become operating torque promptly and operate thrust, along with the rapid development of scientific and technological, technical improvement has also been obtained, but after the novel use of prior art a period, the lead screw probably rusts, it can lead to the flashboard ageing to lead to the flashboard can lead to the unable complete screwing of flashboard to lead to the fact the sealed condition that becomes poor to produce the hourglass water even to have impurity and liquid to pile up in the flashboard for a long time.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the prior art not enough, the copper gate valve convenient to screw is provided at present to it is possible rusty to solve the valve rod, has impurity and liquid to pile up in the flashboard and can lead to the flashboard ageing for a long time and can lead to the gate valve can't screw completely and lead to the fact the leakproofness to worsen the effect that produces the condition of leaking water.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a copper gate valve convenient for screwing, which comprises a valve body, a flange, a door cover, a filler, a pressing cap, a hand wheel, a nut, a screw rod, an oil hole, a pipeline, a locking cap, an oil groove, an oil cavity, a fastening ring, a flashboard, a backing plate, a movable part, a support plate and a limiting groove; the valve body both ends are equipped with the flange, the valve body top is connected with the door closure, the door closure top is equipped with the filler, the pressure cap is installed on the filler top, pressure cap top center is equipped with the lead screw, the lead screw runs through to the valve body, the lead screw top is equipped with the hand wheel, the hand wheel is equipped with nut and lead screw threaded connection, be equipped with locking cap and lead screw clearance fit in the door closure, filler one side is equipped with the oilhole, the oilhole is connected with the pipeline, the pipeline runs through to the silk oil pocket, the oil pocket is installed to the lead screw bottom outside, be equipped with oil groove oil pocket and tighrening ring clearance fit in the oil pocket, the lead screw bottom is connected with the.

Furthermore, the backing plate is fixedly connected with a spring in the movable part, a supporting rod is arranged at the bottom end of the spring and connected with the supporting plate through a second rotating shaft, and a rotating shaft is arranged at the bottom end of the valve body and fixedly connected with the supporting plate.

Furthermore, the limiting groove is internally provided with a connecting rod, the surface of the connecting rod is provided with a spring seat, and the backing plate is provided with a through hole which is in clearance fit with the connecting rod and is connected with the spring seat.

Furthermore, the connection part of the two ends of the flange is provided with threads.

Furthermore, a sealing gasket is arranged at the joint of the valve body and the door cover.

Furthermore, the rotating range of the rotating shaft is 0-60 degrees and forms an included angle.

Furthermore, the support plate is made of waterproof sealing rubber.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1) the utility model discloses a lead screw, including the lead screw, the oil pocket is installed to the lead screw bottom outside, and the gate valve is used to lead to the lead screw to rust for solving long-term use, leads to the gate valve can't screw, through being equipped with the oilhole, oilhole and pipe connection, the pipeline runs through to the silk oil pocket, and the oil pocket can carry out the lubrication protection fully to whole lead screw when the gate valve.

2) The problem of have impurity and liquid to pile up in the flashboard for a long time and can lead to the flashboard ageing can lead to even can lead to the unable complete screwing of gate valve to cause the sealed condition that becomes poor to produce and leak, through being equipped with the moving part in the valve body bottom, when the gate valve was closed, the flashboard exerted pressure to the backing plate and made its drive fly leaf remove, made the valve body bottom remain impurity and liquid discharge.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic structural view of a portion a in fig. 1 according to the present invention;

fig. 4 is a schematic structural diagram of a part B in fig. 1 according to the present invention;

in the figure: 1-valve body, 2-flange, 3-door cover, 4-filler, 5-pressing cap, 6-hand wheel, 7-thread, 8-nut, 9-lead screw, 10-oil hole, 11-pipeline, 12-locking cap, 13-sealing gasket, 14-oil groove, 15-oil cavity, 16-fastening ring, 17-gate plate, 18-backing plate, 19-moving part, 191-spring, 192-support rod, 20-support plate, 201-rotating shaft, 202-second rotating shaft, 21-limiting groove, 211-connecting rod and 212-spring seat.

Detailed Description

Referring to fig. 1, 2, 3 and 4, the present invention provides a copper gate valve convenient for screwing: the hydraulic control valve comprises a valve body 1, a flange 2, a door cover 3, a filler 4, a pressing cap 5, a hand wheel 6, a nut 8, a screw rod 9, an oil hole 10, a pipeline 11, a locking cap 12, an oil groove 14, an oil cavity 15, a fastening ring 16, a flashboard 17, a backing plate 18, a movable piece 19, a support plate 20 and a limiting groove 21; the two ends of the valve body 1 are provided with flanges 2, the top end of the valve body 1 is connected with a door cover 3, the top end of the door cover 3 is provided with a filler 4, the top end of the filler 4 is provided with a pressing cap 5, the center of the top end of the pressing cap 5 is provided with a lead screw 9, the lead screw 9 penetrates through the valve body 1, the top end of the lead screw 9 is provided with a hand wheel 6, the hand wheel 6 is provided with a nut 7 and is in threaded connection with the lead screw 9, a locking cap 12 is arranged in the door cover 3 and is in clearance fit with the lead screw 9, one side of the filler 4 is provided with an oil hole 10, the oil hole 10 is connected with a pipeline 11, the pipeline 11 penetrates through a wire oil cavity 15, the oil cavity 15 is installed on the outer side of the bottom end of the lead screw 9, an oil groove 14 and an oil cavity.

The backing plate 18 is fixedly connected with a spring 191 in the movable member 19, a supporting rod 192 is arranged at the bottom end of the spring 191 and is connected with the supporting plate 20 through a second rotating shaft 202, and a rotating shaft 201 is arranged at the bottom end of the valve body 1 and is fixedly connected with the supporting plate 20.

Wherein, be equipped with connecting rod 211 in the spacing groove 21, the connecting rod 211 surface is equipped with spring holder 212, and the backing plate 18 is equipped with through-hole and connecting rod 211 clearance fit and is connected with spring holder 212.

Wherein, the connection part of the two ends of the flange 2 is provided with a thread 7.

Wherein, a sealing gasket 13 is arranged at the joint of the valve body 1 and the door cover 3.

Wherein, the rotating range of the rotating shaft 201 is 0 to 60 degrees and forms an included angle.

The support plate 20 is made of waterproof sealing rubber.

The working principle is as follows: flanges 2 at two ends of a valve body 1 are connected with pipelines, lubricating oil is injected from an oil hole 10, the lubricating oil enters an oil cavity 15 along a pipeline 11, an oil groove 14 is arranged in the oil cavity 15, the lubricating oil flows to a screw rod 9 from the oil groove 14, when the screw rod 9 rotates and the screw rod 9 does up-and-down linear motion, the whole screw rod 9 can be lubricated and protected, the screw rod 9 is prevented from rusting and cannot be screwed due to long-time use, when a gate valve is closed, a hand wheel 6 is reversely rotated, the hand wheel 6 moves downwards to drive a gate plate 17 to move downwards, when the gate plate 17 contacts a gasket 18, pressure is applied to a backing plate 18 by continuous downward movement, the backing plate 18 moves downwards along a connecting rod 211, a spring seat 212 is extruded, the backing plate 18 moves downwards, a spring 191 is simultaneously extruded, the spring 191 is connected with a supporting rod 192, the supporting rod 192 applies pressure to the, residual impurities and fluid in the gate plate 17 flow out of the gate valve through the support plate 20, and the situation that the gate plate 18 is aged even the gate valve cannot be completely screwed down due to accumulation of the impurities and the fluid, so that sealing performance is poor and water leakage is caused is avoided.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a copper gate valve convenient to screw which characterized in that: the hydraulic control valve comprises a valve body (1), a flange (2), a door cover (3), a filler (4), a pressing cap (5), a hand wheel (6), a nut (8), a screw rod (9), an oil hole (10), a pipeline (11), a locking cap (12), an oil groove (14), an oil cavity (15), a fastening ring (16), a flashboard (17), a backing plate (18), a moving part (19), a support plate (20) and a limiting groove (21); flanges (2) are arranged at two ends of a valve body (1), the top end of the valve body (1) is connected with a door cover (3), a filler (4) is arranged at the top end of the door cover (3), a pressing cap (5) is installed at the top end of the filler (4), a lead screw (9) is arranged at the center of the top end of the pressing cap (5), the lead screw (9) penetrates through the valve body (1), a hand wheel (6) is arranged at the top end of the lead screw (9), the hand wheel (6) is provided with a nut (8) in threaded connection with the lead screw (9), a locking cap (12) and the lead screw (9) are arranged in the door cover (3) in clearance fit, an oil hole (10) is arranged at one side of the filler (4), the oil hole (10) is connected with a pipeline (11), the pipeline (11) penetrates through a screw cavity (15), the oil cavity (15) is installed at the outer side of the bottom end of the lead screw (9), the flashboard (17) is movably connected with the backing plate (18), the bottom end of the backing plate (18) is provided with a movable piece (19) which is fixedly connected with the support plate (20), and the backing plate (18) is movably connected with the limit groove (21).

2. The copper gate valve for facilitating tightening according to claim 1, wherein: the base plate (18) is fixedly connected with a spring (191) in the moving piece (19), a supporting rod (192) is arranged at the bottom end of the spring (191) and connected with the supporting plate (20) through a second rotating shaft (202), and a rotating shaft (201) is arranged at the inner bottom end of the valve body (1) and fixedly connected with the supporting plate (20).

3. The copper gate valve for facilitating tightening according to claim 1, wherein: the limiting groove (21) is internally provided with a connecting rod (211), the surface of the connecting rod (211) is provided with a spring seat (212), and the backing plate (18) is provided with a through hole which is in clearance fit with the connecting rod (211) and is connected with the spring seat (212).

4. The copper gate valve for facilitating tightening according to claim 1, wherein: and the joint of the two ends of the flange (2) is provided with a thread (7).

5. The copper gate valve for facilitating tightening according to claim 1, wherein: and a sealing gasket (13) is arranged at the joint of the valve body (1) and the door cover (3).

6. The copper gate valve for facilitating tightening according to claim 2, wherein: the rotating range of the rotating shaft (201) is 0-60 degrees and forms an included angle.

7. The copper gate valve for facilitating tightening according to claim 1, wherein: the support plate (20) is made of waterproof sealing rubber.