CN217762217U - Integral flange check valve body forging - Google Patents

Abstract

The utility model discloses a whole flange check valve body forging, which comprises a valve body, the inside of valve body is provided with non return mechanism, non return mechanism includes the plugboard, the inserting groove has been seted up to the left side inside of valve body upper end, the plugboard is pegged graft inside the inserting groove, and the upper end of plugboard is connected through the inside of bolt with the valve body, the inside sealing mechanism that is provided with of valve body lower extreme, non return mechanism includes the dwang, the upper end of dwang is articulated through the right side wall of hinge with the plugboard, through the setting with the inside non return mechanism cartridge mode of valve body, can demolish the back at valve body upper end valve gap, takes out non return mechanism wholly from the valve body inside, is convenient for repair or change non return mechanism, has avoided the valve body inner space narrow and small, is not convenient for work such as maintaining, changing non return mechanism, need not to carry out whole the change to the check valve simultaneously, has improved the practicality when the valve body uses, has reduced use cost.

Description

Integral flange check valve body forging

Technical Field

The utility model belongs to the technical field of the check valve, concretely relates to whole flange check valve body forging.

Background

The check valve is a valve which is used for preventing medium from flowing backwards by means of the flowing of the medium, and is also called a check valve, a one-way valve, a backflow valve and a back pressure valve, and belongs to an automatic valve which mainly has the functions of preventing the medium from flowing backwards, preventing a pump and a driving motor from reversing and discharging the medium of a container; when the valve clack moves back to one side of the mounting rack under the drive of the fluid medium, the valve clack is separated from the mounting rack to realize the conduction of the flow channel, namely the opening.

The inside non return mechanism of current check valve is generally that fixed mounting takes place when damaging inside the valve body of check valve, when non return mechanism takes place to be damaged, only can wholly change the check valve, and because the valve body inner space is narrow and small, can't maintain or change non return mechanism, only can wholly abandon, and use cost is high, for this reason we provide a whole flange check valve body forging.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integral flange check valve body forging to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an integral flange check valve body forging, includes the valve body, the inside of valve body is provided with non return mechanism, non return mechanism includes the plugboard, the inserting groove has been seted up to the left side inside of valve body upper end, the plugboard is pegged graft inside the inserting groove, and the upper end of plugboard is connected through the inside of bolt with the valve body, the inside sealing mechanism that is provided with of valve body lower extreme.

Preferably, the non return mechanism includes the dwang, the upper end of dwang is articulated with the right side wall of plugboard through the hinge, the lower extreme of dwang is provided with the connecting rod, the left end of connecting rod is provided with the non return valve clack.

Preferably, the sealing mechanism comprises two annular mounting plates, the two annular mounting plates are respectively arranged inside the left side and the right side of the valve body, one sides, away from the plugboard, of the two annular mounting plates are respectively provided with an annular connecting plate, the circumferential surfaces of the outer sides of the two annular connecting plates are respectively provided with a sealing ring, and the outer sides of the two sealing rings are respectively in close contact with the inner walls of the left side and the right side of the valve body.

Preferably, the upper end of the valve body is provided with a valve cover, the outer surface of the upper end of the valve body and the outer surface of the valve cover are both provided with flanges, and the two flanges are connected through bolts.

Preferably, a medium inlet is formed in the left side of the valve body, and a medium outlet is formed in the right side of the valve body.

Preferably, a sealing gasket is arranged on the left side of the check valve clack, the left side of the sealing gasket abuts against the inner wall of the left side of the valve body, and the left end of the check valve clack is inserted into the right side of the medium inlet.

Preferably, the inner walls of the left side and the right side of the valve body are provided with internal threads, and the outer circumferential surfaces of the two annular mounting plates are provided with external threads matched with the internal threads.

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

(1) This whole flange check valve body forging, through the setting with the inside non return mechanism cartridge mode of valve body, can demolish the back at valve body upper end valve gap, take out non return mechanism is whole from the internal portion of valve, be convenient for repair or change non return mechanism, it is narrow and small to have avoided the valve body inner space, is not convenient for maintain non return mechanism, work such as change, need not to carry out the whole change to the check valve simultaneously, practicality when having improved the valve body use has reduced use cost.

(2) This whole flange check valve body forging through the sealing mechanism who sets up, can construct the annular mounting panel that drives the sealing washer and install in the inside of valve body and pipe connection department fast, has improved the sealed effect of valve body and pipe connection department then, and simple structure, it is convenient that the installation is dismantled, can not cause the influence to the installation rate of valve body, has improved the practicality of valve body then.

Drawings

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

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

fig. 3 is an enlarged view of the structure of fig. 2 at a;

fig. 4 is a right sectional view of the present invention.

In the figure: 1. a valve body; 2. a non-return mechanism; 201. a plugboard; 202. rotating the rod; 203. a connecting rod; 204. a check valve flap; 3. inserting grooves; 4. a valve cover; 5. a sealing mechanism; 501. an annular mounting plate; 502. an annular connecting plate; 503. a seal ring; 6. a media inlet; 7. a medium outlet.

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 efforts all belong to the protection scope of the present invention.

Please refer to fig. 1-4, the utility model provides an integral flange check valve body forging, including valve body 1, the inside of valve body 1 is provided with non return mechanism 2, and non return mechanism 2 includes plugboard 201, and inserting groove 3 has been seted up to the left side inside of 1 upper end of valve body, and plugboard 201 pegs graft inside inserting groove 3, and the upper end of plugboard 201 is connected with the inside of valve body 1 through the bolt, the inside sealing mechanism 5 that is provided with of 1 lower extreme of valve body.

In this embodiment, preferably, non return mechanism 2 includes dwang 202, the upper end of dwang 202 is articulated with the right side wall of plugboard 201 through the hinge, the lower extreme of dwang 202 is provided with connecting rod 203, the left end of connecting rod 203 is provided with check valve clack 204, the setting of this structure, when 1 left side medium of valve body gets into, the medium can cause the impact to check valve clack 204, make check valve clack 204, connecting rod 203 and dwang 202 rotate upwards to the right, then open 1 inside the valve body, make the medium can turn right from a left side and remove, when the left side medium is not carrying, the medium that lies in 1 right side of valve body and check valve clack 204 upper end this moment can exert power left to check valve clack 204, make check valve clack 204 can return the initial position, then with 1 inside closure of valve body, and then realize the medium non return effect.

In this embodiment, preferably, the sealing mechanism 5 includes the annular mounting plate 501, the annular mounting plate 501 is provided with two, two annular mounting plates 501 are respectively disposed inside the left and right sides of the valve body 1, one side of the two annular mounting plates 501 away from the plugboard 201 is all provided with the annular connecting plate 502, the circumferential surface outside the two annular connecting plates 502 is all provided with the sealing ring 503, the outside of the two sealing rings 503 is respectively in close contact with the inner wall of the left and right sides of the valve body 1, the structure is arranged, before the valve body 1 is connected with a pipe, the two annular mounting plates 501 are respectively screwed into the left and right sides of the valve body 1, so that the two annular mounting plates 501 are respectively fixed inside the left and right sides of the valve body 1, and then the valve body 1 is connected with the pipe, at this time, the sealing ring 503 on the annular mounting plate 501 can be closely attached to the joint of the valve body 1 and the pipe, thereby improving the sealing effect of the joint of the valve body 1 and the pipe, and improving the practicability of the valve body 1.

In this embodiment, preferably, the upper end of valve body 1 is provided with valve gap 4, and the surface of valve gap 4 and the surface of valve gap 1 upper end all is provided with the flange, and two flanges are connected through the bolt, and the setting of this structure is dismantled the back with the bolt from the flange, can dismantle valve gap 4 from valve body 1, is convenient for then carry out subsequent operation to valve body 1 inside.

In this embodiment, preferably, a medium inlet 6 is formed in the left side of the valve body 1, and a medium outlet 7 is formed in the right side of the valve body 1, so that the medium enters the valve body 1 through the medium inlet 6 and is then discharged through the medium outlet 7, and the medium can be smoothly conveyed through the valve body 1.

In this embodiment, it is preferred, the left side of check valve clack 204 is provided with sealed the pad, and sealed left side of filling up offsets with valve body 1's left side inner wall, the left end of check valve clack 204 is pegged graft inside medium entry 6's right side, sealed setting, the leakproofness of check valve clack 204 with 1 inner wall junction of valve body has been improved, when having avoided check valve clack 204 to seal valve body 1, 1 right side medium of valve body flows back to 1 left side of valve body, then, the holistic non return effect of valve body 1 has been improved, the practicality of valve body 1 has been improved.

In this embodiment, preferably, the internal thread has all been seted up to 1 left and right sides inner wall of valve body, two annular mounting panel 501's outside circumferential surface all be provided with internal thread assorted external screw thread, the setting of 1 inside internal thread of valve body and the 501 outer wall external screw thread of annular mounting panel for annular mounting panel 501 can install the inside at valve body 1 smoothly, when having improved the sealed effect of 1 junction of valve body, does not influence the installation rate of valve body 1.

The utility model discloses a theory of operation and use flow: before installing the pipe at valve body 1, at first inside two annular mounting panels 501 screw in the left and right sides of valve body 1 respectively, make two annular mounting panels 501 fix respectively inside the left and right sides of valve body 1, then with valve body 1 and union coupling, sealing washer 503 on the annular mounting panel 501 can closely laminate with the junction of valve body 1 and pipe this moment, thereby the sealed effect of the junction of valve body 1 and pipe has been improved, accomplish the installation of valve body 1 this moment, then can use this valve body 1, after valve body 1 uses for a long time, when its inside non return mechanism 2 takes place to damage, dismantle the bolt from the flange, can dismantle valve gap 4 from valve body 1, after then screw down the bolt on plugboard 201, can take out non return mechanism 2 wholly from valve body 1 inside this moment, then the non return mechanism 2 maintenance back reutilization or holistic change of non return mechanism.

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 (7)

1. The utility model provides an integral flange check valve body forging, includes valve body (1), its characterized in that: the check valve is characterized in that a check mechanism (2) is arranged inside the valve body (1), the check mechanism (2) comprises an insertion plate (201), an insertion groove (3) is formed in the left side of the upper end of the valve body (1), the insertion plate (201) is inserted into the insertion groove (3), the upper end of the insertion plate (201) is connected with the inside of the valve body (1) through a bolt, and a sealing mechanism (5) is arranged inside the lower end of the valve body (1).

2. The unitary flange check valve body forging of claim 1, wherein: non return mechanism (2) are including dwang (202), the right side wall that the upper end of dwang (202) passes through hinge and plugboard (201) is articulated, the lower extreme of dwang (202) is provided with connecting rod (203), the left end of connecting rod (203) is provided with non return valve clack (204).

3. The unitary flange check valve body forging of claim 1, wherein: sealing mechanism (5) are including annular mounting panel (501), annular mounting panel (501) are provided with two, two annular mounting panel (501) set up respectively inside the left and right sides of valve body (1), two one side that plugboard (201) were kept away from in annular mounting panel (501) all is provided with annular connecting plate (502), two the circumferential surface in annular connecting plate (502) outside all is provided with sealing washer (503), two the outside of sealing washer (503) respectively with valve body (1) left and right sides inner wall in close contact with.

4. The unitary flange check valve body forging of claim 1, wherein: the upper end of the valve body (1) is provided with a valve cover (4), the outer surface of the upper end of the valve body (1) and the outer surface of the valve cover (4) are provided with flanges, and the two flanges are connected through bolts.

5. The unitary flange check valve body forging of claim 2, wherein: the left side of the valve body (1) is provided with a medium inlet (6), and the right side of the valve body (1) is provided with a medium outlet (7).

6. The unitary flange check valve body forging of claim 5, wherein: the left side of the check valve clack (204) is provided with a sealing gasket, the left side of the sealing gasket abuts against the inner wall of the left side of the valve body (1), and the left end of the check valve clack (204) is inserted into the right side of the medium inlet (6).

7. The unitary flange check valve body forging of claim 3, wherein: the inner walls of the left side and the right side of the valve body (1) are provided with inner threads, and the outer circumferential surfaces of the two annular mounting plates (501) are provided with outer threads matched with the inner threads.

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