CN218440834U

CN218440834U - Manual-automatic exhaust valve

Info

Publication number: CN218440834U
Application number: CN202222622906.XU
Authority: CN
Inventors: 黄金良
Original assignee: Zhejiang Xuananju Hvac Technology Co ltd
Current assignee: Zhejiang Xuananju Hvac Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-03
Anticipated expiration: 2032-09-30

Abstract

The utility model provides a manual-automatic exhaust valve belongs to discharge valve technical field. It has solved the complicated, troublesome problem of renewal part of current discharge valve structure. This manual-automatic exhaust valve includes valve body and upper cover, and the upper cover has automatic exhaust end and manual exhaust end, is provided with the cursory in the valve body, and it has elastic support to peg graft on the lower terminal surface of upper cover, and it is sealed that sealed pad and sealed pad upwards support under elastic support's the spring action and form sealedly to lean on the import department at automatic exhaust end to install sealed pad on the elastic support, is equipped with the cooperation portion that can stimulate elastic support downwarping on the cursory. The upper cover of the exhaust valve is directly connected with the elastic support in a plugging mode, the sealing gasket is fixed on the elastic support, the elastic support force of the elastic support enables the elastic support to abut against an inlet of an automatic exhaust end to form sealing, the connecting structure is simplified in design, if the elastic support is damaged, the upper cover can be directly unscrewed, then the elastic support is pulled down, and the elastic support is inserted newly, and therefore the exhaust valve is very convenient to replace.

Description

Manual-automatic exhaust valve

Technical Field

The utility model belongs to the technical field of discharge valve, a discharge valve is related to, especially, relate to a manual-automatic discharge valve.

Background

The automatic exhaust valve is a device capable of eliminating gas in a heating and ventilation system, and is generally connected to a water separator, when the air pressure in the water separator is greater than the system pressure, a floater in the automatic exhaust valve falls to drive a sealing gasket to move downwards, an exhaust end is opened for exhaust, and when the air pressure in the water separator is less than the system pressure, the floater rises to drive the sealing gasket to move upwards, and the exhaust end is closed.

In the prior art, a sealing gasket is generally fixed on a rotating block, the rotating block is hinged in a valve body, a coil spring is arranged at a hinged position to enable one end of the sealing gasket to be kept abutted against an exhaust end, a connecting structure is arranged between a buoy and the rotating block to enable one end of the sealing gasket to move downwards when the buoy moves downwards so as to open the exhaust end, parts such as the coil spring and the like are made of metal materials, so that the sealing gasket is easy to rust and age in a water vapor mixed environment, the sealing performance of the sealing gasket is reduced, the coil spring is not easy to disassemble after being assembled, and the problem is generally that the whole replacement is adopted, and the cost is increased suddenly.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide a manual-automatic discharge valve. It solves the technical problems that the existing exhaust valve has a complex structure and is troublesome in part replacement.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a manual-automatic exhaust valve, includes valve body and upper cover, the upper cover has automatic exhaust end and manual exhaust end, be provided with the cursory in the valve body, its characterized in that, it has elastic support to peg graft on the lower terminal surface of upper cover, elastic support is last to install sealed the pad and sealed the pad upwards support and form sealedly by the import department at automatic exhaust end under elastic support's elastic force, be equipped with the cooperation portion that can stimulate elastic support downwarping on the cursory.

The upper cover of the exhaust valve is directly connected with the elastic support in a plugging mode, the sealing gasket is fixed on the elastic support, the elastic support force of the elastic support enables the elastic support to abut against an inlet of an automatic exhaust end to form sealing, the connecting structure is simplified in design, if the elastic support is damaged, the upper cover can be directly unscrewed, then the elastic support is pulled down, and the elastic support is inserted newly, and therefore the exhaust valve is very convenient to replace.

The buoy of this design is equipped with cooperation portion on, cooperation portion is through pulling elastic support crooked downwards, elastic support crooked enables the sealed pad rebound or local crooked on it, can let sealed pad can't support and make sealed inefficacy by the import department of self-bleeding end in a word, just so can realize self-bleeding, elastic support drives sealed pad under its self elastic action and resets when the buoy shifts up, makes overall structure obtain optimizing and simplification like this.

In foretell one kind manual-automatic discharge valve, elastic support includes elbow portion, all be connected with elasticity shank and two elasticity shanks on elbow portion's the both ends orientation the same, two elasticity shanks all peg graft on the upper cover, sealed the top of installing near connection piece department at elasticity shank, the cursory ability makes elasticity shank downwarping through cooperation portion pulling elbow portion.

Elbow portion on the elastic support of this design is the U-shaped form, elasticity shank is connected on elbow portion's both ends and integrated into one piece, the better metal material of toughness can be adopted to the elasticity shank and make or support the higher plastics material of intensity and support, such elastic support has better holding power, also have better resilience force after being stimulateeed downwards, the plug of elasticity shank is connected on the upper cover, directly can extract after taking off the upper cover and pull down, it is very convenient to dismantle, the elasticity shank directly gives sealed pad support, the effectual optimization, the simplified structure.

In the manual-automatic exhaust valve, the connecting blocks are protruded from two sides of the inlet of the lower end face of the upper cover, which is positioned at the automatic exhaust end, the two elastic leg parts are respectively inserted into the two connecting blocks, and the sealing gasket is fixed above one end of the two elastic leg parts, which is close to the connecting blocks.

The upper cover is provided with two connecting blocks in a protruding mode, the two elastic leg portions are inserted into one connecting block respectively, and the sealing gasket is also positioned on one side close to the connecting block, so that the sealing gasket is closer to the inserting position of the elastic leg portions and the connecting block, and better elastic supporting force can be obtained.

In foretell one kind of manual-automatic discharge valve, can dismantle on the elbow portion and be connected with the mounting panel, sealed the pad is fixed on the mounting panel, it leads to the groove to set up a word that runs through the mounting panel from top to bottom on its length direction on the mounting panel, cursory upper end protrusion has the connecting portion that insert and pass a word and lead to the groove, the cooperation position is located the tip of connecting portion just the cooperation portion forms the fender with the up end face of mounting panel.

Because elastic support roughly is the U-shaped structure, not stable fixed seal pad and with cursory cooperation well, so this design is fixed mounting panel on elbow portion, will seal up to fix on the mounting panel, will float on the cooperation portion also with the connecting plate cooperation, design like this can let overall structure more stable. Of course, when the elastic support needs to be replaced, only the elastic support needs to be pulled out together with the mounting plate, then the elbow part is separated from the mounting plate, and a new elastic support is fixed on the mounting plate again, so that the elastic support is convenient to disassemble and assemble.

In the above-mentioned manual-automatic exhaust valve, the groove wall where the width of the straight through groove is located is provided with a receding groove through which the matching part can pass.

The length of cooperation portion will be greater than the width that a word led to the groove, so need pass the top that a word led to the groove to the mounting panel through letting groove department when the installation, then cooperation portion removes the mounting panel up end that one side and a word led to the groove department and forms the fender, design simple structure like this, and the dismouting is very convenient.

In foretell one kind manual-automatic discharge valve, the both sides portion of mounting panel one end all protrudes there is the convex part, draw-in groove one has all been seted up on the bottom of convex part, the mounting panel is located the up end of the tip at convex part place and has seted up draw-in groove two, the mounting panel is gone into in proper order through elbow portion card and is fixed with elbow portion in draw-in groove two and two draw-in grooves one.

In foretell one kind manual-automatic discharge valve, the inboard slip of manual exhaust end is provided with the valve rod, the lower extreme of valve rod stretches into the exhaust intracavity and installs the sealing washer on it, the upper end of valve rod is equipped with the retaining head, the inboard protrusion of manual exhaust end has the portion of keeping off the edge, keep off the portion of keeping off and keep off between the head the pressure and be equipped with the spring, the valve rod makes the sealing washer upwards support under the effect of spring force and forms sealedly by the import department at manual exhaust end.

The inboard valve rod that is provided with of manual exhaust end of this design, the sealing washer that supports at manual exhaust end import department has on the tip of valve rod, and the valve rod keeps the rebound to make the sealing washer support and make it keep the closed condition to support at manual exhaust end under the effect of spring force, when needs are manual to be opened manual exhaust end and exhaust, need insert in the manual exhaust end with the instrument and overcome spring force downstream and make the sealing washer move down and open manual exhaust end, the design can be manual when we need lose heart to discharge valve like this, and is very practical.

In the above manual-automatic integrated exhaust valve, the automatic exhaust end and the manual exhaust end are both in threaded connection with the blocking cover, and the outer peripheral surface of the automatic exhaust end is provided with an exhaust notch for communicating the automatic exhaust end with the outside.

This design is served at self-bleeding and is served with equal threaded connection and keep off the lid with manual exhaust, keeps off the lid and can play the effect that dustproof anti-impurity got into, keeps off the lid and still has the effect that improves sealed effect in manual exhaust, serves at self-bleeding and has seted up the exhaust notch through its week upwards, surrounds formation exhaust passage between exhaust notch and the fender lid and comes self-bleeding end and external intercommunication, and the ingenious ten minutes practicality of project organization like this.

Compared with the prior art, the product has the advantages that: the discharge valve upper cover plug in this scheme is connected with the elastic support, will seal up to fix on the elastic support, and the elastic support power through the elastic support makes it support and form sealedly on leaning on the import of self-bleeding end, thereby the float can make its deformation let sealed pad move down or the self-bleeding end is opened in the dislocation by pulling down the elastic support, connection structure has been simplified in the design like this, if the elastic support if appear damage directly can twist off the upper cover then pull out the elastic support insert new can, very convenient change.

Drawings

FIG. 1 is an external view of the present invention;

fig. 2 is a half sectional view of the present invention;

FIG. 3 is a schematic view of the installation of the shield cover and the components thereon;

FIG. 4 is a schematic view of the mounting plate and the float of the present invention;

fig. 5 is a part view of the elastic support of the present invention.

In the figure, 1, a valve body; 2. an upper cover; 21. an automatic exhaust end; 211. an exhaust recess; 22. A manual exhaust end; 221. a blocking edge part; 23. connecting blocks; 3. floating; 31. a connecting portion; 32. a fitting portion; 4. an elastic support; 41. a bent portion; 42. an elastic leg portion; 5. mounting a plate; 51. a straight through groove; 52. a receding groove; 53. a convex portion; 54. a first clamping groove; 55. A second clamping groove; 6. a gasket; 7. a valve stem; 71. a stop head; 8. a seal ring; 9. a spring; 10. and (7) blocking the cover.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-5 a manual-automatic exhaust valve, including valve body 1 and upper cover 2, exhaust chamber has in the valve body 1, upper cover 2 threaded connection is on valve body 1, automatic exhaust end 21 and manual exhaust end 22 have on the upper cover 2, be provided with cursory 3 in the valve body 1, the lower terminal surface of upper cover 2 has connecting block 23 in the import both sides protrusion of automatic exhaust end 21, it has elastic support 4 to peg graft on connecting block 23, elastic support 4 of this design is whole to be the U-shaped including can elbow portion 41 and elasticity shank 42, both adopt the better metal material of toughness to make or support the higher plastics material of intensity and support, such elastic support has better holding power, also have better resilience power after being pulled downwards, for a metal strip through the U-shaped of buckling formation, the both ends of its opening one end are pegged graft respectively on connecting block 23, the connecting hole has been seted up on connecting block 23, the tip of elasticity shank 42 is directly inserted the connecting hole internal tight fit fixedly. The sealing gasket 6 is arranged on the elastic support 4, the sealing gasket 6 is upwards abutted against the inlet of the automatic exhaust end 21 under the action of the elastic force of the elastic support 4 to form sealing, and the sealing gasket 6 is positioned on the end part, close to the connecting block 32, of the elastic leg part 42, so that the sealing gasket 6 is closer to the insertion position of the elastic leg part 42 and the connecting block 23 to obtain better elastic supporting force. The float 3 is provided with a matching part 32 which can pull the elastic bracket 4 to bend downwards so as to lead the sealing between the sealing gasket 6 and the automatic exhaust end 21 to lose efficacy. The elastic support 4 is directly connected to the upper cover 2 of the exhaust valve in the scheme in a plugging mode, the sealing gasket 6 is fixed to the elastic support 4, the elastic support 4 abuts against an inlet of the automatic exhaust end 21 through elastic supporting force of the elastic support 4 to form sealing, the connecting structure is simplified through the design, if the elastic support 4 is damaged, the upper cover 2 can be directly unscrewed, then the elastic support 4 is pulled down, and a new air inlet is inserted, and the exhaust valve is very convenient to replace. The buoy 3 of this design is equipped with cooperation portion 32 on, cooperation portion 32 is through pulling down the bending of elastic support 4, the bending of elastic support 4 enables the sealed pad 6 on it to move down or local crooked, can let sealed pad 6 can't support and make sealed the inefficacy by the import department of self-bleeding end 21 in a word, just so can realize self-bleeding, elastic support 4 drives sealed pad 6 and resets under its self elasticity effect when buoy 3 shifts up, make overall structure obtain optimizing and simplifying like this. 4 open-ended plugs of elastic support are connected on upper cover 2, directly can extract after taking off upper cover 2 and pull down, and it is very convenient to dismantle, and elasticity shank 42 directly gives sealed 6 supports of filling up moreover, effectual optimization, simplified structure. The valve rod 7 is arranged on the inner side of the manual exhaust end 22 in a sliding mode, the lower end of the valve rod 7 extends into the exhaust cavity and is provided with the sealing ring 8, the upper end of the valve rod 7 is provided with a retaining head 71, a retaining edge part 221 protrudes from the inner side of the manual exhaust end 22, a spring 9 is arranged between the retaining edge part 221 and the retaining head 71 in a pressing mode, and the valve rod 7 enables the sealing ring 8 to upwards abut against an inlet of the manual exhaust end 22 to form sealing under the action of the elastic force of the spring 9. The manual exhaust end 22 inboard of this design is provided with valve rod 7, have the sealing washer 8 that supports and lean on manual exhaust end 22 import department on the tip of valve rod 7, and valve rod 7 keeps the rebound to make sealing washer 8 support and make it keep the encapsulated situation on manual exhaust end 22 under the effect of spring 9 elasticity, when the manual exhaust end 22 of opening of needs is manual, need insert in the manual exhaust end 22 with the instrument and push valve rod 7 and overcome spring 9 elasticity rebound and make sealing washer 8 move down and open manual exhaust end 22, the design can be manual when we need lose heart to discharge valve like this, and is very practical.

The mounting plate 5 is detachably connected to the elastic support 4, the convex portions 53 are protruded from two side portions of one end of the mounting plate 5, the first clamping grooves 54 are formed in the bottoms of the convex portions 53, the mounting plate 5 is located on the upper end face of the end portion where the convex portions 53 are located, the second clamping grooves 55 are formed in the upper end face of the mounting plate 5, and the mounting plate 5 is sequentially clamped into the second clamping grooves 55 and the first clamping grooves 54 through the bent portions 41 to be fixed with the elastic support 4. The sealing gasket 6 is fixed on the left end of the mounting plate 5, a straight through groove 51 which penetrates through the mounting plate 5 from top to bottom is formed in the mounting plate 5 along the length direction of the mounting plate, the upper end of the float 3 protrudes to form a connecting part 31 which is inserted into and penetrates through the straight through groove 51, the matching part 32 is located on the end part of the connecting part 31, and the matching part 32 and the upper end face of the mounting plate 5 form a stop. The matching part 32 is in a column structure, the cross section of the matching part 32 and the connecting part 31 combined is in a T shape, the connecting part 31 can pass through the straight through groove 51, but the matching part 32 can be clamped. Therefore, the receding groove 52 for the matching part 32 to pass through is formed in one side of the groove wall where the width of the straight-line through groove 51 is located, when the installation is carried out, the matching part 32 can pass through the straight-line through groove 51 to the upper side of the mounting plate 5 through the receding groove 52, then the matching part 32 moves to one side to form a block with the upper end face of the mounting plate 5 where the straight-line through groove 51 is located, the design structure is simple, and the disassembly and the assembly are very convenient. Because elastic support 4 is the strip structure, not good stable fixed seal pad 6 and with cursory 3 cooperations, so this design is fixed mounting panel 5 on elastic support 4, with sealed 6 fixing of filling up on mounting panel 5, also with the cooperation of connecting plate with cooperation portion 32 on cursory 3, design like this can let overall structure more stable. Of course, when the elastic support 4 needs to be replaced, the elastic support 4 is pulled out together with the mounting plate 5, then the elastic support 4 is separated from the mounting plate 5, and a new elastic support 4 is fixed on the mounting plate 5 again, so that the assembly and disassembly are convenient.

The automatic exhaust end 21 and the manual exhaust end 22 are both in threaded connection with the retaining cover 10, and the outer peripheral surface of the automatic exhaust end 21 is provided with an exhaust notch 211 for communicating the exhaust end with the outside. This design is all threaded connection has the fender lid 10 on self-bleeding end 21 and manual exhaust end 22, and fender lid 10 can play the effect of dustproof anti-impurity entering, and fender lid 10 still has the effect that improves sealed effect on manual exhaust end 22, has seted up exhaust notch 211 through its circumference on self-bleeding end 21, surrounds between exhaust notch 211 and the fender lid 10 and forms exhaust passage and come to come self-bleeding end 21 and external intercommunication, and the ingenious ten minutes practicality of project organization like this.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a manual-automatic exhaust valve, includes valve body (1) and upper cover (2), automatic exhaust end (21) and manual exhaust end (22) have on upper cover (2), be provided with cursory (3) in valve body (1), its characterized in that, it has elastic support (4) to peg graft on the lower terminal surface of upper cover (2), install sealed pad (6) and sealed pad (6) on elastic support (4) and upwards support under the spring action of elastic support (4) and form sealedly by the import department of leaning on automatic exhaust end (21), be equipped with on cursory (3) and can stimulate cooperation portion (32) of elastic support (4) downwarping.

2. The manual-automatic exhaust valve is characterized in that the elastic support (4) comprises a bent portion (41), two ends of the bent portion (41) are connected with elastic legs (42), the two elastic legs (42) are in the same direction, the two elastic legs (42) are inserted into the upper cover (2), the sealing gasket (6) is installed above the bent portion (41), and the buoy (3) can pull the bent portion (41) through the matching portion (32) to enable the elastic legs (42) to bend downwards.

3. The exhaust valve of the manual-automatic integrated air valve is characterized in that connecting blocks (23) are protruded from two sides of an inlet of an automatic exhaust end (21) on the lower end surface of the upper cover (2), the elastic leg parts (42) are respectively inserted into the two connecting blocks (23), and the sealing gasket (6) is fixed above one end, close to the connecting blocks (23), of the two elastic leg parts (42).

4. A manual-automatic exhaust valve according to claim 3, wherein the elbow portion (41) is detachably connected with a mounting plate (5), the sealing gasket (6) is fixed on the mounting plate (5), the mounting plate (5) is provided with a straight through groove (51) which vertically penetrates through the mounting plate (5) along the length direction of the mounting plate, the upper end of the buoy (3) is protruded with a connecting portion (31) which is inserted into and penetrates through the straight through groove (51), the matching portion (32) is located on the end portion of the connecting portion (31), and the matching portion (32) abuts against and blocks the upper end face of the mounting plate (5).

5. The exhaust valve as claimed in claim 4, wherein the slot wall of the straight through slot (51) has a slot (52) for the engaging portion (32) to pass through.

6. The manual-automatic exhaust valve according to claim 5, wherein the protruding portions (53) protrude from two side portions of one end of the mounting plate (5), the first clamping grooves (54) are formed in the bottoms of the protruding portions (53), the second clamping grooves (55) are formed in the upper end face of the end portion, where the protruding portions (53) are located, of the mounting plate (5), and the mounting plate (5) is sequentially clamped into the second clamping grooves (55) and the first clamping grooves (54) through the bent portions (41) to be fixed to the bent portions (41).

7. A manual-automatic integrated exhaust valve according to claim 6, wherein a valve rod (7) is slidably arranged inside the manual exhaust end (22), a sealing ring (8) is installed on the lower end of the valve rod (7), a resisting head (71) is arranged at the upper end of the valve rod (7), a blocking edge portion (221) protrudes from the inner side of the manual exhaust end (22), a spring (9) is installed between the blocking edge portion (221) and the resisting head (71) in a pressing mode, and the valve rod (7) enables the sealing ring (8) to upwards abut against an inlet of the manual exhaust end (22) to form sealing under the elastic force of the spring (9).

8. The exhaust valve according to any one of claims 1 to 7, wherein the automatic exhaust end (21) and the manual exhaust end (22) are both in threaded connection with a retaining cap (10), and an exhaust notch (211) for communicating the automatic exhaust end (21) with the outside is formed in the outer peripheral surface of the automatic exhaust end (21).