CN208918817U

CN208918817U - A kind of diaphragm pump repairing control valve of non-internal leakage

Info

Publication number: CN208918817U
Application number: CN201821494564.5U
Authority: CN
Inventors: 白士莹
Original assignee: Shenyang Double Ring Pump Co Ltd
Current assignee: Shenyang Double Ring Pump Co Ltd
Priority date: 2018-09-13
Filing date: 2018-09-13
Publication date: 2019-05-31
Anticipated expiration: 2028-09-13

Abstract

The utility model discloses a kind of diaphragm pump repairing control valves of non-internal leakage, including orifice plate, the inner cavity of the orifice plate is plugged with valve chamber, the inner cavity of the valve chamber is plugged with guide sleeve, pressing sleeve is socketed on the outside of the guide sleeve, the guide sleeve is connected with valve seat far from one end of pressing sleeve, the inner cavity of the guide sleeve is plugged with valve pocket, the separate end seat connecting with valve spring of the spring base has valve ball, the lateral wall of the pressing sleeve is covered with hole retaining ring, the end of the valve chamber, which fastens, valve housing cover, the valve housing cover is threadedly coupled with orifice plate, the inner cavity of the valve housing cover, which is run through, is connected with touch panel, the touch panel and pressing sleeve are inconsistent.The diaphragm pump repairing control valve of the non-internal leakage, using sealing valve port, the sealing effect and service life of sealing valve port are significantly larger than clearance seals, sealing effect is good, and will not occur because of interior leakage, and then repairing control defective valve will not be made and diaphragm is caused to damage, guarantee usability.

Description

A kind of diaphragm pump repairing control valve of non-internal leakage

Technical field

The utility model relates to diaphragm pump technical field, the diaphragm pump repairing control valve of specially a kind of non-internal leakage.

Background technique

Under normal circumstances, reciprocating diaphragm pump efficiency is lower than common reciprocating pump, main reason is that diaphragm is reciprocal Deformation be act on power fluid by plunger and indirectly-acting to diaphragm, and power fluid must have certain capacity, be equivalent to remaining Gap volume is very big, and the capacity of power fluid and its control also directly affect hydraulic efficiency, solve the problems, such as to let out in repairing control valve, The efficiency of diaphragm pump can directly be improved.Traditional repairing control valve is clearance seal, and after diaphragm pump is used for a long time, repairing control Mating surface at the clearance seal of valve has abrasion, causes poorly sealed, and internal leakage is formed, when internal leakage amount is excessive When, it is excessive to will lead to oil mass in diaphragm cavity, makes repairing control defective valve and diaphragm is caused to damage.

Utility model content

The purpose of this utility model is to provide a kind of diaphragm pump repairing control valves of non-internal leakage, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides the following technical solutions: a kind of diaphragm pump repairing control of non-internal leakage Valve, including orifice plate, the inner cavity of the orifice plate are plugged with valve chamber, and the valve chamber is covered with shaft block ring through one end of orifice plate, institute It states and opens up abacus oilhole on the inside of orifice plate, valve chamber oilhole, the orifice plate oilhole and valve chamber oil are offered on the inside of the valve chamber Hole is connected, and the inner cavity of the valve chamber is plugged with guide sleeve, and pressing sleeve is socketed on the outside of the guide sleeve, and the guide sleeve is separate One end of pressing sleeve is connected with valve seat, and the inner cavity of the guide sleeve is plugged with valve pocket, and the inner cavity clearance fit of the valve pocket has spring Seat, the spring base are connected by valve spring with pressing sleeve, and the separate end seat connecting with valve spring of the spring base has valve ball, institute The lateral wall for stating pressing sleeve is covered with hole retaining ring, and the end of the valve chamber, which fastens, valve housing cover, the valve housing cover and orifice plate screw thread Connection, through touch panel is connected with, the touch panel and pressing sleeve are inconsistent for the inner cavity of the valve housing cover.

Preferably, the end face two sides of the valve housing cover offer outer pressing sleeve oilhole, and the end face two sides of the pressing sleeve offer Interior pressing sleeve oilhole, the outer pressing sleeve oilhole are connected with interior pressing sleeve oilhole.

Preferably, the inside opens outward of the valve pocket is equipped with guide sleeve oilhole.

Preferably, the junction card of the lateral wall of the valve pocket and pressing sleeve is pressed with ball.

Preferably, the lateral wall of the valve chamber, valve seat and orifice plate is socketed with O-ring.

Compared with prior art, the utility model has the beneficial effects that the diaphragm pump repairing control valve of the non-internal leakage, uses Sealing valve port, the sealing effect and service life of sealing valve port are significantly larger than clearance seals, and sealing effect is good, and will not send out Sheng Yinnei leakage, and then repairing control defective valve will not be made and diaphragm is caused to damage, guarantee usability.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model.

In figure: 1, valve chamber, 2, shaft block ring, 3, valve seat, 4, O-ring, 5, orifice plate, 6, valve ball, 7, orifice plate oilhole, 8, valve Set, 9, guide sleeve, 10, ball, 11, spring base, 12, pressing sleeve, 13, hole retaining ring, 14, valve housing cover, 15, outer pressing sleeve oilhole, 16, touch panel, 17, valve spring, 18, valve chamber oilhole, 19, guide sleeve oilhole, 20, interior pressing sleeve oilhole.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of diaphragm pump repairing control valve of non-internal leakage, packet Orifice plate 5 is included, orifice plate 5 is mainly used for installing fixed repairing control valve, and top offers flowing hole, makes to connect between diaphragm and plunger It is logical, the power fluid that reciprocates through of plunger can be passed to diaphragm, the inner cavity of orifice plate 5 is plugged with valve chamber 1,1 through hole of valve chamber One end of plate 5 is covered with shaft block ring 2, and shaft block ring 2 is used to valve chamber 1 being fixed on orifice plate 5, and the inside of orifice plate 5 offers Orifice plate oilhole 7, the inside of valve chamber 1 offer valve chamber oilhole 18, and orifice plate oilhole 7 is connected with valve chamber oilhole 18, the inner cavity of valve chamber 1 It is plugged with guide sleeve 9, guide sleeve 9 is used to limit the position of valve pocket 8, so that it is kept coaxial with valve seat 3, at guide sleeve inner hole one week There is runner, when Fill valve open-type, play the role of overcurrent, 9 large end face of guide sleeve there are 3 arc grooves, is used for restricted guidance ball 10 Position, move ball 10 can only in radial direction, the outside of guide sleeve 9 is socketed with pressing sleeve 12, and pressing sleeve 12 is for transmitting There is boss at the active force of touch panel 16, center, and for limiting 17 position of valve spring, there is inner conical surface in one end, and the conical surface connects with ball 10 Touching, when it is by positive pressure, gland is moved inward, and the conical surface pushes ball 10 to move inward, to promote repairing control valve It opens, guide sleeve 9 is connected with valve seat 3 far from one end of pressing sleeve 12, is both repairing control when valve ball 6 is bonded with its sealing surface Valve is in close state, and oil sump is isolated with diaphragm cavity, is both that repairing control valve is in when valve ball 6 is separated with its sealing surface Oil sump is connected to by open state with diaphragm cavity, and the lateral wall of valve chamber 1, valve seat 3 and orifice plate 5 is socketed with O-ring 4, and O-ring 4 is used In sealing, the inner cavity of guide sleeve 9 is plugged with valve pocket 8, and valve pocket 8 is used to limit the position of valve ball 6, it is made to keep same with valve seat 3 Axis can be preferably bonded with 3 sealing surface of valve seat, and bore dia of the valve pocket 8 for 6 targeting part of valve ball is slightly bigger than 6 diameter of valve ball, be made Valve ball 6 can move freely, and bottom aperture diameter is less than 6 diameter of valve ball, can lift valve ball 6 when valve pocket 8 lifts, make repairing control valve Enforced opening, 8 big end of valve pocket is tapered, when ball 10 inwardly moves, can act on valve pocket 8 and move out, while promote valve Ball 6 is opened, and the lateral wall of valve pocket 8 and the junction card of pressing sleeve 12 are pressed with ball 10, and the inside opens outward of valve pocket 8 is equipped with guiding Oilhole 19 is covered, the inner cavity clearance fit of valve pocket 8 has spring base 11, and spring base 11 is connected by valve spring 17 with pressing sleeve 12, spring The 11 separate end seats connecting with valve spring 17 of seat have valve ball 6, and under the action of valve spring 17,6 normality of valve ball is close with valve seat 3 Cover fitting, the lateral wall of pressing sleeve 12 is covered with hole retaining ring 13, and the end of valve chamber 1, which fastens, valve housing cover 14, valve housing cover 14 It is threadedly coupled with orifice plate 5, the end face two sides of valve housing cover 14 offer outer pressing sleeve oilhole 15, and the end face two sides of pressing sleeve 12 offer interior Pressing sleeve oilhole 20, outer pressing sleeve oilhole 15 are connected with interior pressing sleeve oilhole 20, and the inner cavity of valve housing cover 14 is touched through touch panel 16 is connected with Plate 16 and pressing sleeve 12 are inconsistent, and thrust is passed to pressing sleeve 12 for contacting diaphragm by touch panel 16, when diaphragm cavity oil mass is few, Diaphragm moves backward will push touch panel 16, open repairing control valve, until oil mass is mended enough, diaphragm moves do not push touch panel backward Until 16.

It will be installed in diaphragm pump after component assembling, repairing control valve is initially in the work of the spring force of valve spring 17 With it is lower be normally off, when diaphragm pump diaphragm cavity low on fuel, diaphragm moves backward can touch touch panel 16 and push it backward Movement, touch panel 16 push pressing sleeve 12 to move backward, and the conical surface of pressing sleeve 12 pushes ball 10 along the arc groove of guide sleeve 9 to center Movement, ball 10 push valve pocket 8 to travel forward, and valve pocket 8 pulls valve ball 6 to separate it with 3 sealing surface of valve seat, repairing control at this time Valve processed is in the open state, and due to being the suction stroke of pump at this time, diaphragm cavity pressure is subatmospheric, acts in atmospheric pressure Under, power fluid in oil sump by orifice plate oilhole 7, valve chamber oilhole 18, interior pressing sleeve oilhole 20 and outer pressing sleeve oilhole 15 enter every In membrane cavity, this is the oil replenishing process of one stroke, and when pump is in discharge stroke, diaphragm travels forward until dividing with touch panel 16 From under the action of the spring force of valve spring 17, valve ball 6 is bonded repairing control valve with 3 sealing surface of valve seat, and pressing sleeve 12 also returns to most Front end, so that repairing control valve be made to be restored to initial closed state.

In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot It is construed as a limitation of the present invention.

In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result, Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.

In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of diaphragm pump repairing control valve of non-internal leakage, including orifice plate (5), it is characterised in that: insert the inner cavity of the orifice plate (5) It is connected to valve chamber (1), the valve chamber (1) is covered with shaft block ring (2) through the one end of orifice plate (5), opens on the inside of the orifice plate (5) It equipped with orifice plate oilhole (7), is offered valve chamber oilhole (18) on the inside of the valve chamber (1), the orifice plate oilhole (7) and valve chamber oilhole (18) it is connected, the inner cavity of the valve chamber (1) is plugged with guide sleeve (9), is socketed with pressing sleeve on the outside of the guide sleeve (9) (12), the guide sleeve (9) is connected with valve seat (3) far from the one end of pressing sleeve (12), and the inner cavity of the guide sleeve (9) is plugged with valve It covers (8), the inner cavity clearance fit of the valve pocket (8) has spring base (11), and the spring base (11) passes through valve spring (17) and pressure Set (12) connects, and the separate end seat connecting with valve spring (17) of spring base (11) has valve ball (6), the pressing sleeve (12) Lateral wall is covered with hole retaining ring (13), and the end of the valve chamber (1), which fastens, to be had valve housing cover (14), the valve housing cover (14) and hole Plate (5) is threadedly coupled, and the inner cavity of the valve housing cover (14), which is run through, to be connected with touch panel (16), the touch panel (16) and pressing sleeve (12) phase It contradicts.

2. a kind of diaphragm pump repairing control valve of non-internal leakage according to claim 1, it is characterised in that: the valve housing cover (14) end face two sides offer outer pressing sleeve oilhole (15), and the end face two sides of the pressing sleeve (12) offer interior pressing sleeve oilhole (20), the outer pressing sleeve oilhole (15) is connected with interior pressing sleeve oilhole (20).

3. a kind of diaphragm pump repairing control valve of non-internal leakage according to claim 1, it is characterised in that: the valve pocket (8) Inside opens outward be equipped with guide sleeve oilhole (19).

4. a kind of diaphragm pump repairing control valve of non-internal leakage according to claim 1, it is characterised in that: the valve pocket (8) Lateral wall and the junction card of pressing sleeve (12) be pressed with ball (10).

5. a kind of diaphragm pump repairing control valve of non-internal leakage according to claim 1, it is characterised in that: the valve chamber (1), The lateral wall of valve seat (3) and orifice plate (5) is socketed with O-ring (4).