CN217814989U

CN217814989U - High leakproofness valve of preventing leaking

Info

Publication number: CN217814989U
Application number: CN202221691698.2U
Authority: CN
Inventors: 李利利; 衡由锋
Original assignee: Yancheng Longwei Machinery Co ltd
Current assignee: Yancheng Longwei Machinery Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-11-15
Anticipated expiration: 2032-07-04

Abstract

The utility model relates to a prevent high leakproofness valve of leakage, the water control valve comprises a valve body, the last fixed surface of valve body has places the storehouse, the upper surface of placing the storehouse has the fixing base through bolted connection, the inside of fixing base is equipped with sealing mechanism, both ends all are equipped with complementary unit about the valve body, sealing mechanism is including seting up the screw thread through-hole at the fixing base upper surface, the inside threaded connection of screw thread through-hole has first screw rod, the top of first screw rod is fixed with the connecting block, the last fixed surface of connecting block has the adjustment disk, the bottom of first screw rod is rotated and is connected with the dog. This prevent high leakproofness valve of leakage through having set up sealing mechanism, through the cooperation between first screw rod and the second screw rod, when sealing up valve body inside, can shift out sealed piece through the second screw rod and seal, can reach many times sealed purpose, can independently adjust the velocity of flow of valve body through first screw rod, prolong the life of valve body.

Description

High leakproofness valve of preventing leaking

Technical Field

The utility model relates to the technical field of valves, specifically be a prevent high leakproofness valve of leakage.

Background

The valve is a control part in the pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of the medium, and has the functions of diversion, cut-off, throttling, non-return, flow splitting or overflow pressure relief and the like.

The high leakproofness valve on the market is various, but the current high leakproofness valve ubiquitous has the poor shortcoming of sealed leak protection effect, and the sealed structure of single sealing is adopted mostly to current high leakproofness valve, when sealing up the valve like this, can make the high leakproofness valve the phenomenon of leaking appear because gasket slope and live time lengthened reason, not only influences daily use, has still shortened the life of high leakproofness valve greatly.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a prevent high leakproofness valve of leakage possesses advantages such as sealed leak protection is effectual, has solved current high leakproofness valve and has adopted the sealed seal structure of single greatly, and the problem of the phenomenon of leaking can appear in high leakproofness valve.

In order to achieve the above object, the utility model provides a following technical scheme: a leakproof high-sealing valve comprises a valve body, wherein a placing bin is fixed on the upper surface of the valve body, the upper surface of the placing bin is connected with a fixed seat through a bolt, a sealing mechanism is arranged inside the fixed seat, and auxiliary mechanisms are arranged at the left end and the right end of the valve body;

sealing mechanism is including seting up the screw thread through-hole at the fixing base upper surface, the inside threaded connection of screw thread through-hole has first screw rod, the top of first screw rod is fixed with the connecting block, the last fixed surface of connecting block has the adjustment disk, the bottom of first screw rod is rotated and is connected with the dog, the inside of first screw rod is rotated and is connected with the second screw rod, the top of second screw rod is fixed with sealed carousel, the seal groove has all been seted up to the left and right sides of dog, and the equal sliding connection in inside of two seal grooves has sealed piece, the shifting chute has been seted up to the inside of dog, and is fixed with two backup pads in the shifting chute, and the through-hole has all been seted up to the relative one side of two backup pads, and the equal swing joint in inside of two through-holes has the carriage release lever, two one side that the carriage release lever carried on the back mutually is fixed with the relative one side of two seal blocks respectively, two one side that the carriage release lever is relative all is fixed with a rotation piece, and the inside of two rotation pieces all is connected with the connecting rod.

Furthermore, the inner walls of the left side and the right side of the placing bin are both fixed with sealing plates, and sealing plates are fixed on the upper surface of the fixing seat and positioned on the outer side of the first screw rod.

Furthermore, a through groove is formed in the inner top wall of the valve body, and the width of the stop block is matched with the width of the inner cavity of the through groove.

Furthermore, the inner bottom wall of the valve body is provided with a sinking groove, a sealing bottom plate is fixed on the lower surface of the check block, and the size of the sealing bottom plate is matched with that of the inner cavity of the sinking groove.

Further, the shape of first screw rod is inside hollow threaded rod, the length of second screw rod is greater than the length of first screw rod.

Further, complementary unit is including fixing the first flange at both ends about the valve body, the internal perisporium of first flange is fixed with the sealing ring, the inside of first flange just is located the sealing ring internal fixation and is had the rand, the left and right sides of rand all is fixed with sealed the pad, two the equal swing joint in one side that first flange carried on the back mutually has the second flange.

Further, two the external diameter of sealed pad all with the internal diameter looks adaptation of valve body, sealed pad is the silica gel pad.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this prevent high leakproofness valve of leakage through having set up sealing mechanism, through the cooperation between first screw rod and the second screw rod, when sealing up valve body inside, can shift out sealed piece through the second screw rod and seal, can reach many times sealed purpose, can independently adjust the velocity of flow of valve body simultaneously through first screw rod, facilitates the use, prolongs the life of valve body.

2. This prevent high leakproofness valve of leakage through having set up complementary unit, when using valve body and body to be connected, through complementary unit, first flange mutually supports with second flange and sealed pad etc. can make valve body and body junction inseparabler, avoids taking place to leak at valve body and body junction, improves the security of valve body.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the sealing mechanism of the present invention;

fig. 3 is a schematic view of the auxiliary mechanism of the present invention.

In the figure: 1 valve body, 2 placing cabin, 3 fixing seat, 4 sealing mechanism, 401 threaded through hole, 402 first screw, 403 connecting block, 404 adjusting disc, 405 stop block, 406 second screw, 407 sealing turntable, 408 sealing block, 409 supporting plate, 410 moving rod, 411 rotating piece, 412 connecting rod, 5 auxiliary mechanism, 501 first flange, 502 sealing ring, 503 clamping ring, 504 sealing gasket and 505 second flange.

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, the present embodiment of a leak-proof high-sealing valve includes a valve body 1, a placing chamber 2 is fixed on the upper surface of the valve body 1 for accommodating a stopper 405, the upper surface of the placing chamber 2 is connected to a fixing seat 3 through a bolt, a sealing mechanism 4 is disposed inside the fixing seat 3, and auxiliary mechanisms 5 are disposed at the left and right ends of the valve body 1.

In this embodiment, the left and right sides inner wall of placing storehouse 2 all is fixed with the closing plate, and the upper surface of fixing base 3 and the outside that is located first screw rod 402 are fixed with the gasket, carry out water-proof sealing to screw thread through-hole 401, and logical groove has been seted up to the interior roof of valve body 1, the width of dog 405 and the width looks adaptation that leads to the groove inner chamber.

Referring to fig. 2, in order to seal and adjust the valve body 1, the sealing mechanism 4 in this embodiment includes a threaded through hole 401 formed on the upper surface of the fixing base 3, a first screw 402 is threadedly connected to the inside of the threaded through hole 401, the first screw 402 drives a stopper 405 to move from the inside of the storage bin 2 to the inside of the valve body 1 when rotating downward, a connecting block 403 is fixed to the top end of the first screw 402, an adjusting plate 404 is fixed to the upper surface of the connecting block 403, the adjusting disc 404 is rotated to drive the connecting block 403 to rotate the first screw 402 inside the threaded through hole 401, the bottom end of the first screw 402 is rotatably connected with the stopper 405, the inside of the first screw 402 is rotatably connected with the second screw 406, the top end of the second screw 406 is fixed with the sealing turntable 407, by rotating the sealing turntable 407 and driving the second screw 406 to rotate downwards through the sealing turntable 407, the left and right sides of the stopper 405 are both provided with sealing grooves, and the insides of the two sealing grooves are both connected with sealing blocks 408 in a sliding manner, when sealing is needed, the sealing bottom plate on the lower surface of the stop 405 is contacted with the inner bottom wall of the sinking groove to seal by rotating the adjusting disc 404, the inner part of the stop 405 is provided with a moving groove, two supporting plates 409 are fixed in the moving groove, through holes are arranged on the opposite sides of the two supporting plates 409, and the inside of two through-holes all swing joint has the carriage release lever 410, one side that two carriage release levers 410 carried on the back mutually is fixed with the one side that two seal blocks 408 are relative respectively, one side that two carriage release levers 410 are relative all is fixed with the rotating part 411, second screw 406 moves down and passes through two connecting rods 412 and move down through rotating part 411, the inside of two rotating parts 411 all rotates and is connected with connecting rod 412, rotating part 411 makes two carriage release levers 410 move to both sides and ejecting two seal blocks 408 to both sides realization secondary seal.

In this embodiment, a sunken groove is formed in the inner bottom wall of the valve body 1, a sealing bottom plate is fixed to the lower surface of the stopper 405, the size of the sealing bottom plate is matched with the size of an inner cavity of the sunken groove, a gap between the bottom of the stopper 405 and the inner bottom wall of the valve body 1 is adjusted by rotating the number of turns of the adjusting disc 404, so that the flow rate is adjusted, the first screw 402 is a hollow threaded rod, and the second screw 406 is longer than the first screw 402.

It should be noted that the sealing block 408 can be moved out for sealing through the second screw 406, so that the purpose of multiple sealing can be achieved, and meanwhile, the flow rate inside the valve body 1 can be automatically adjusted through the first screw 402, so that the valve is convenient to use, and the service life of the valve body is prolonged.

Referring to fig. 3, in order to seal the joint between the valve body 1 and the pipe body in a leakproof manner, the auxiliary mechanism 5 in this embodiment includes first flanges 501 fixed to the left and right ends of the valve body 1, sealing rings 502 are fixed to the inner peripheral walls of the first flanges 501, the sealing rings 502 can protect the outer sides of the joint between the valve body 1 and the pipe body, not only to prevent internal leakage, but also to prevent erosion from the outside to the inside, collars 503 are fixed to the inside of the first flanges 501 and located in the sealing rings 502, sealing pads 504 are fixed to the left and right sides of the collars 503, the two sealing pads 504 are respectively and tightly fitted to the pipe body and the inner peripheral walls of the valve body 1, so as to prevent leakage from the joint between the valve body 1 and the pipe body during use, second flanges 505 are movably connected to the opposite sides of the two first flanges 501, and the second flanges 505 are connected to the pipe body, so as to connect the second flanges 505 to the first flanges 501.

In this embodiment, the outer diameters of the two sealing gaskets 504 are both adapted to the inner diameter of the valve body 1, and the sealing gasket 504 is a silica gel gasket.

It should be noted that, by providing the auxiliary mechanism 5, when the valve body 1 is connected to the pipe body, the first flange 501, the second flange 505, the gasket 504, and the like are matched with each other, so that the joint between the valve body 1 and the pipe body can be made tighter, leakage at the joint between the valve body 1 and the pipe body can be avoided, and the safety of the valve body can be improved.

The working principle of the above embodiment is as follows:

(1) When the valve body 1 is sealed and adjusted, the adjusting disc 404 is rotated to drive the connecting block 403 to rotate the first screw 402 in the threaded through hole 401, the first screw 402 drives the stopper 405 to move from the inside of the placing bin 2 to the inside of the valve body 1 when rotating downwards, the gap between the bottom of the stopper 405 and the inner bottom wall of the valve body 1 is adjusted by rotating the number of turns of the adjusting disc 404 to achieve the purpose of adjusting the flow, when sealing is needed, the sealing bottom plate on the lower surface of the stopper 405 is contacted with the inner bottom wall of the sunken groove to seal by rotating the adjusting disc 404, when secondary sealing is needed, the sealing turntable 407 is rotated to drive the second screw 406 to rotate downwards by rotating the sealing turntable 407, then the second screw 406 moves downwards to move the two connecting rods 412 downwards through the rotating piece 411, and simultaneously the rotating piece 411 enables the two moving rods 410 to move towards two sides to push out the two sealing blocks 408 to achieve secondary sealing.

(2) When preventing leaking sealedly to valve body 1 and body junction, through being connected second flange 505 and body, be connected second flange 505 and first flange 501, when sealing the leak protection, two sealed pads 504 closely cooperate with the internal perisporium of body and valve body 1 respectively, avoid in the in-process that uses, can take place to leak from valve body 1 and body junction, sealing ring 502 can protect the outside of valve body 1 and body junction simultaneously, both avoid inside to leak, can block the outside again and to the erosion of inside, avoid taking place to leak at valve body 1 and body junction, improve the security of valve body 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

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. A high leakproofness valve of preventing leaking, includes valve body (1), its characterized in that: a placing bin (2) is fixed on the upper surface of the valve body (1), the upper surface of the placing bin (2) is connected with a fixed seat (3) through a bolt, a sealing mechanism (4) is arranged inside the fixed seat (3), and auxiliary mechanisms (5) are arranged at the left end and the right end of the valve body (1);

sealing mechanism (4) is including seting up at screw through hole (401) of fixing base (3) upper surface, the inside threaded connection of screw through hole (401) has first screw rod (402), the top of first screw rod (402) is fixed with connecting block (403), the last fixed surface of connecting block (403) has adjusting disk (404), the bottom of first screw rod (402) is rotated and is connected with dog (405), the inside of first screw rod (402) is rotated and is connected with second screw rod (406), the top of second screw rod (406) is fixed with sealed carousel (407), the seal groove has all been seted up to the left and right sides of dog (405), and the equal sliding connection in inside of two seal grooves has sealed piece (408), the shifting chute has been seted up to the inside of dog (405), and the shifting chute internal fixation has two backup pads (407), and the through-hole has all been seted up to the relative one side of two backup pads (406), and the equal swing joint in inside of two through-holes has shifting rod (410), two one side that shifting rod (410) carried on the back of the body mutually respectively with two sealed pieces (408) is fixed one side is fixed, two equal swing joints (409) have all been connected with shifting rod (411), two internal fixation have the rotation piece (410).

2. A leak resistant high leak tightness valve according to claim 1, wherein: the inner walls of the left side and the right side of the placing bin (2) are both fixed with sealing plates, and the sealing plates are fixed on the upper surface of the fixing seat (3) and positioned on the outer side of the first screw (402).

3. A leak resistant high leak tightness valve according to claim 1, wherein: the inner top wall of the valve body (1) is provided with a through groove, and the width of the stop block (405) is matched with the width of the inner cavity of the through groove.

4. A leak resistant high leak tightness valve according to claim 1, wherein: the inner bottom wall of the valve body (1) is provided with a sinking groove, the lower surface of the stop block (405) is fixed with a sealing bottom plate, and the size of the sealing bottom plate is matched with that of the inner cavity of the sinking groove.

5. A leak resistant high leak tightness valve according to claim 1, wherein: the first screw (402) is in the shape of a threaded rod with a hollow inner part, and the length of the second screw (406) is larger than that of the first screw (402).

6. A leak resistant high leak tightness valve according to claim 1, wherein: complementary unit (5) are including fixing first flange (501) at both ends about valve body (1), the internal perisporium of first flange (501) is fixed with sealing ring (502), the inside of first flange (501) just is located sealing ring (502) internal fixation and has rand (503), the left and right sides of rand (503) all is fixed with sealed pad (504), two the equal swing joint in one side that first flange (501) carried on the back mutually has second flange (505).

7. A leak resistant high leak tightness valve according to claim 6, wherein: the outer diameter of the sealing gasket (504) is matched with the inner diameter of the valve body (1), and the sealing gasket (504) is a silica gel gasket.