CN207195755U - A kind of valve is to variable valve - Google Patents

Abstract

The utility model discloses a kind of valve to variable valve, including valve body, valve seat, blocking piece, first pressure spring, supporting plate, bottom, leakage fluid dram, blocking plate, sealing ring, circular hole, top cover, conehead, second pressure spring, alignment pin, turn handle, two structure identical check valve built in the valve body, compared with prior art, the beneficial effects of the utility model are new a kind of valves to variable valve, design science is reasonable, this valve can pass through turn blocking plate to variable valve, internal two valves of control are to the logical of different check valves and close, realize valve to valve to regulation, easily line translation can be entered between the outflow and inflow of fluid, operate very simple.

Description

A kind of valve is to variable valve

Technical field

It the utility model is related to a kind of valve, more particularly to a kind of valve is to variable valve.

Background technology

Check valve is that fluid can only flow along water inlet, and delivery port medium can not but flow back, and be commonly called as check valve.Check valve is again Claim check-valves or non-return valve.For preventing oil stream reverse flow in hydraulic system, or for preventing that compression is empty in pneumatic system Gas reverse flow.

Traditional check valve, it can only ensure that valve fluid flows to a direction, can not flow back, but in actual life, it is right Check valve has more requirements, often may require that, check valve changes its valve to can only flow into original, be changed into flowing Go out, it is desirable to which valve can quickly be changed between it can only flow into and can only flow out.

Utility model content

The purpose of this utility model is to provide a kind of valve to variable valve, to solve what is proposed in above-mentioned background technology Problem.

The purpose of this utility model is achieved by following technical proposals：A kind of valve is to variable valve, including valve Body, valve seat, blocking piece, first pressure spring, supporting plate, bottom, leakage fluid dram, blocking plate, sealing ring, circular hole, top cover, conehead, Two compression springs, alignment pin, turn handle, two structure identical check valves built in the valve body, the check valve is by valve seat, stifled Part, first pressure spring and gripper shoe groups into, the valve seat is provided with through hole, and the via top of the valve seat is provided with blocking piece, The blocking piece is connected with first pressure spring one end, and the first pressure spring other end is connected with supporting plate, the supporting plate Welded with valve body, and some through holes are provided with supporting plate, the liquid outlet of the check valve on the right side of the valve body is downward, and the valve body is left The liquid outlet of the check valve of side is upward, and the valve body bottom is provided with bottom, and the bottom is provided with two leakage fluid drams, two discharge opeings Mouth connects with the air cavity of check valve respectively, is provided with blocking plate above the check valve, is set between the blocking plate and check valve There is sealing ring, the blocking plate and sealing ring are provided with circular hole, and the top end of the valve body is provided with top cover, the blocking plate upper surface Two deep-slotted chip breakers are provided with, are provided with conehead in the deep-slotted chip breaker, the conehead is connected with second pressure spring one end, the second pressure The spring other end is connected with top cover, and the blocking plate left and right ends have fixing hole, and fixed built in the fixing hole of blocking plate Position pin, the blocking plate are connected with bull stick bottom, and the bull stick top is provided with turn handle, and the turn handle is located on top cover Side.

Further, it is mounted on sealing gasket between described valve body and top cover and bottom.

Compared with prior art, the beneficial effects of the utility model are new a kind of valves to variable valve, design department It is reasonable to learn, and this valve can be controlled internal two valves to the logical of different check valves and closed to variable valve by turn blocking plate, real Existing valve to valve to regulation, line translation can be easily entered between the outflow and inflow of fluid, operates very simple.

Brief description of the drawings

Fig. 1 is the utility model overall structure diagram；

In figure：1st, valve body, 2, valve seat, 3, blocking piece, 4, first pressure spring, 5, supporting plate, 6, bottom, 7, leakage fluid dram, 8, Blocking plate, 9, sealing ring, 10, circular hole, 11, top cover, 12, conehead, 13, second pressure spring, 14, alignment pin, 15, turn handle.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment, based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

As shown in figure 1, the utility model discloses a kind of valve to variable valve, including valve body 1, valve seat 2, blocking piece 3, One compression spring 4, supporting plate 5, bottom 6, leakage fluid dram 7, blocking plate 8, sealing ring 9, circular hole 10, top cover 11, conehead 12, second are pressed Power spring 13, alignment pin 14, turn handle 15, two structure identical check valves built in the valve body 1, the check valve by valve seat 2, Blocking piece 3, first pressure spring 4 and supporting plate 5 form, and the valve seat 2 is provided with through hole, the via top installation of the valve seat 2 There is blocking piece 3, the blocking piece 3 is connected with the one end of first pressure spring 4, and the other end of first pressure spring 4 connects with supporting plate 5 Connect, the supporting plate 5 is welded with valve body 1, and some through holes are provided with supporting plate 5, and the check valve on the right side of valve body 1 goes out liquid Downwards, the liquid outlet of the check valve in the left side of valve body 1 is upward, and the bottom of valve body 1 is provided with bottom 6, and the bottom 6 is set for mouth There are two leakage fluid drams 7, two leakage fluid drams 7 are connected with the air cavity of check valve respectively, and blocking plate 8 is provided with above the check valve, Sealing ring 9 is provided between the blocking plate 8 and check valve, the blocking plate 8 and sealing ring 9 are provided with circular hole 10, the valve body 1 Top is provided with top cover 11, and the upper surface of blocking plate 8 is provided with two deep-slotted chip breakers, conehead 12, the cone are provided with the deep-slotted chip breaker First 12 are connected with the one end of second pressure spring 13, and the other end of second pressure spring 13 is connected with top cover 11, the blocking plate 8 Left and right ends have fixing hole, and alignment pin 14 built in the fixing hole of blocking plate 8, and the blocking plate 8 connects with bull stick bottom Connect, the bull stick top is provided with turn handle 15, and the turn handle 15 is located at the top of top cover 11, the valve body 1 and top cover 11 and Sealing gasket is mounted between bottom.

Alignment pin 14 is pulled out, rotation turn handle 15, the circular hole 10 of blocking plate 8 is corresponded into going out for the left side check valve of valve body 2 On liquid mouth, the left side check valve liquid communication of valve body 2 is ensure that, the circulation of the right one-way valve liquid of valve body 2 is closed, realizes liquid Body can only be to upstream, it is impossible to flowing down, the circular hole 10 of blocking plate 8 is corresponded on the liquid outlet of the right one-way valve of valve body 2, ensured The right one-way valve liquid communication of valve body 2, closes the circulation of the left side check valve liquid of valve body 2, realizing liquid can only be downward Stream, it is impossible to upstream.

The beneficial effects of the utility model are new a kind of valves to variable valve, and design science is reasonable, and this valve is to can The valve of change can be controlled internal two valves to the logical of different check valves and closed by turn blocking plate, realize valve to valve to Regulation, line translation can be easily entered between the outflow and inflow of fluid, operate very simple.

It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation Involved claim.

Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It is appreciated that other embodiment.

Claims (2)

1. a kind of valve is to variable valve, it is characterised in that：Including valve body（1）, valve seat（2）, blocking piece（3）, first pressure spring （4）, supporting plate（5）, bottom（6）, leakage fluid dram（7）, blocking plate（8）, sealing ring（9）, circular hole（10）, top cover（11）, conehead （12）, second pressure spring（13）, alignment pin（14）, turn handle（15）, the valve body（1）Built-in two structures identical is unidirectional Valve, the check valve is by valve seat（2）, blocking piece（3）, first pressure spring（4）And supporting plate（5）Composition, the valve seat（2）Open There are through hole, the valve seat（2）Via top blocking piece is installed（3）, the blocking piece（3）With first pressure spring（4）One end connects Connect, the first pressure spring（4）The other end and supporting plate（5）Connection, the supporting plate（5）With valve body（1）Welding, and support Plate（5）On be provided with some through holes, the valve body（1）The liquid outlet of the check valve on right side is downward, the valve body（1）Left side it is unidirectional The liquid outlet of valve is upward, the valve body（1）Bottom is provided with bottom（6）, the bottom（6）Provided with two leakage fluid drams（7）, described in two Leakage fluid dram（7）Connected respectively with the air cavity of check valve, blocking plate is installed above the check valve（8）, the blocking plate（8）With Sealing ring is provided between check valve（9）, the blocking plate（8）And sealing ring（9）It is provided with circular hole（10）, the valve body（1）Top End is provided with top cover（11）, the blocking plate（8）Upper surface is provided with two deep-slotted chip breakers, and conehead is provided with the deep-slotted chip breaker（12）, institute State conehead（12）With second pressure spring（13）One end connects, the second pressure spring（13）The other end and top cover（11）Even Connect, the blocking plate（8）Left and right ends have fixing hole, and blocking plate（8）Fixing hole built in alignment pin（14）, it is described Blocking plate（8）It is connected with bull stick bottom, the bull stick top is provided with turn handle（15）, the turn handle（15）Positioned at top cover （11）Top.

2. a kind of valve according to claim 1 is to variable valve, it is characterised in that：Described valve body（1）With top cover （11）Sealing gasket is mounted between bottom.