CN214534725U

CN214534725U - Self-operated differential pressure balance valve

Info

Publication number: CN214534725U
Application number: CN202120667585.8U
Authority: CN
Inventors: 于美静
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-10-29
Anticipated expiration: 2031-03-31

Abstract

The utility model relates to the technical field of differential pressure balance valves, and discloses a self-operated differential pressure balance valve, which comprises a bottom plate, the center of the top of the bottom plate is rotationally connected with a screw rod through a bearing, the outer surface of the screw rod is in threaded connection with a sleeve, the driving blocks are fixedly connected on the left side and the right side of the outer surface of the screw rod and positioned below the sleeve, the self-operated differential pressure balance valve body can be supported by arranging the bottom plate, the screw rod, the sleeve, the driving blocks, the bearing plate, the cylinder body, the sliding plate and the movable column, the self-operated differential pressure balance valve body can be protected by arranging the protection box, and when the self-operated differential pressure balance valve body is used, the self-operated differential pressure balance valve has the advantages of improving stability, and solving the problem that the stability of the support is poor when the original self-operated differential pressure balance valve body is used, so that the service life of the self-operated differential pressure balance valve body is prevented from being influenced.

Description

Self-operated differential pressure balance valve

Technical Field

The utility model relates to a pressure differential balance valve technical field especially relates to a formula of relying on oneself pressure differential balance valve.

Background

A self-operated differential pressure control valve is also called as a differential pressure control valve, is a valve which does not need external energy to depend on the self pressure change of a regulated medium to carry out automatic regulation and is suitable for household metering or an automatic control system, the differential pressure balance valve has a double-flap structure, the unbalanced force of a valve rod is small, the structure is compact, the application range is wide, when the differential pressure control valve is used, because the differential pressure control valve is lack of a supporting device, when the differential pressure control valve is installed, a zero-time lapping bracket is mostly needed to support the differential pressure control valve, the stability of the zero-time lapping bracket is poor, the differential pressure control valve is easy to suspend in the air, and the damage is caused in the long term, so the defect of poor stability exists, the service life of the differential pressure control valve is influenced, the self-operated differential pressure balance valve is provided for the purpose, and the problems provided are solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a self-operated differential pressure balanced valve possesses the self-operated differential pressure balanced valve body when using, has the advantage that improves stability, has solved original self-operated differential pressure balanced valve body when using, builds the problem of support poor stability temporarily.

For solving the technical problem, the utility model provides a pair of formula of relying on oneself pressure differential balance valve, comprising a base plate, the center department at bottom plate top is rotated through the bearing and is connected with the screw rod, the surface threaded connection of screw rod has the sleeve, the left and right sides of screw rod surface is located the equal fixedly connected with drive block in telescopic below, connecting plate fixedly connected with loading board is passed through at telescopic top, the top fixedly connected with guard box of loading board, the bottom fixedly connected with formula of relying on oneself pressure differential balance valve body of guard box inner chamber, the barrel has all been welded to the left and right sides at bottom plate top, the inner chamber sliding connection of barrel has the slide, the welding of the top of slide has movable post, the top of movable post runs through the barrel and passes through the junction fixed connection of connecting plate and loading board.

Preferably, the left side and the right side of the inner cavity of the barrel body are both provided with sliding chutes matched with the sliding plates for use, and the outer surfaces of the sliding plates are in sliding connection with the inner surfaces of the sliding chutes.

Preferably, the outer surface of the movable column is sleeved with a pressure spring, the bottom of the pressure spring is fixedly connected with the joint of the sliding plate, and the top of the pressure spring is fixedly connected with the joint of the cylinder.

Preferably, the front of the protection box is fixedly connected with a baffle plate through a screw, and an observation window is embedded in the front of the baffle plate.

Preferably, the left side and the right side of the protection box are provided with through holes matched with the self-operated pressure difference balance valve body for use, and sound insulation plates are bonded on the inner surface of the protection box.

Preferably, the four corners of the top of the bottom plate are provided with mounting holes.

Compared with the prior art, the utility model provides a pair of formula of relying on oneself pressure differential balance valve has following beneficial effect:

1. the utility model discloses a set up the bottom plate, the screw rod, the sleeve, the drive block, the loading board, the barrel, slide and activity post, can support self-operated differential pressure balance valve body, through setting up the guard box, can protect self-operated differential pressure balance valve body, through setting up above structure, possess self-operated differential pressure balance valve body when using, have the advantage that improves stability, solved original self-operated differential pressure balance valve body when using, build the problem of support poor stability temporarily, thereby avoid influencing the life of self-operated differential pressure balance valve body.

2. The utility model can support the sliding plate and limit the sliding plate by arranging the sliding chute;

the pressure spring is arranged, so that the sliding plate can be buffered when moving, and the stability of the device is improved;

through the arrangement of the baffle and the observation window, a worker can conveniently maintain the self-operated differential pressure balance valve body at regular intervals;

the self-operated differential pressure balance valve body can be conveniently installed by arranging the through hole, and noise can be reduced when the self-operated differential pressure balance valve body works by arranging the sound insulation plate;

through setting up the mounting hole, can conveniently carry out fixed mounting to the device.

Drawings

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

FIG. 2 is a sectional view of the sleeve structure of the present invention;

FIG. 3 is an enlarged view of the structure A of FIG. 2 according to the present invention;

fig. 4 is a front view of the cylinder structure of the present invention.

In the figure: 1. a base plate; 2. a screw; 3. a sleeve; 4. a drive block; 5. a carrier plate; 6. a protective box; 7. a self-operated differential pressure balance valve body; 8. a barrel; 9. a slide plate; 10. a movable post; 11. a chute; 12. a pressure spring; 13. a baffle plate; 14. a through hole; 15. a sound insulating board; 16. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

Examples

As shown in figures 1-4, the self-operated pressure difference balance valve comprises a bottom plate 1, a screw rod 2 is rotatably connected to the center of the top of the bottom plate 1 through a bearing, a sleeve 3 is in threaded connection with the outer surface of the screw rod 2, driving blocks 4 are fixedly connected to the left side and the right side of the outer surface of the screw rod 2 and located below the sleeve 3, a bearing plate 5 is fixedly connected to the top of the sleeve 3 through a connecting plate, a protective box 6 is fixedly connected to the top of the bearing plate 5, a self-operated pressure difference balance valve body 7 is fixedly connected to the bottom of an inner cavity of the protective box 6, cylinders 8 are welded to the left side and the right side of the top of the bottom plate 1, a sliding plate 9 is slidably connected to the inner cavity of the cylinders 8, a movable column 10 is welded to the top of the sliding plate 9, the top of the movable column 10 penetrates through the cylinders 8 and is fixedly connected to the joint of the bearing plate 5 through the connecting plate, and the bottom plate 1, the screw rod 2, the sleeve 3, the driving blocks 4, Bearing board 5, barrel 8, slide 9 and activity post 10, can support self-operated differential pressure balanced valve body 7, through setting up protecting box 6, can protect self-operated differential pressure balanced valve body 7, through setting up above structure, possess self-operated differential pressure balanced valve body 7 when using, have the advantage that improves stability, solved original self-operated differential pressure balanced valve body 7 when using, build the problem of support poor stability temporarily, thereby avoid influencing self-operated differential pressure balanced valve body 7's life.

Referring to fig. 2 and 3, the left side and the right side of the inner cavity of the cylinder 8 are both provided with sliding chutes 11 used in cooperation with the sliding plate 9, the outer surface of the sliding plate 9 is connected with the inner surface of the sliding chute 11 in a sliding manner, and the sliding plate 9 can be supported and limited by the sliding chutes 11.

Referring to fig. 2 and 3, a pressure spring 12 is sleeved on the outer surface of the movable column 10, the bottom of the pressure spring 12 is fixedly connected with the joint of the sliding plate 9, the top of the pressure spring 12 is fixedly connected with the joint of the cylinder 8, and the sliding plate 9 can be buffered when moving by arranging the pressure spring 12, so that the stability of the device is improved.

Referring to fig. 1 and 4, the front surface of the protection box 6 is fixedly connected with a baffle 13 through screws, an observation window is embedded in the front surface of the baffle 13, and the baffle 13 and the observation window are arranged, so that a worker can conveniently and regularly maintain the self-operated differential pressure balance valve body 7.

Referring to fig. 1 and 2, through holes 14 matched with the self-operated differential pressure balance valve body 7 are formed in the left side and the right side of the protection box 6, sound insulation plates 15 are bonded on the inner surface of the protection box 6, the self-operated differential pressure balance valve body 7 can be conveniently installed by arranging the through holes 14, and noise reduction can be performed on the self-operated differential pressure balance valve body 7 when the self-operated differential pressure balance valve body 7 works by arranging the sound insulation plates 15.

Referring to fig. 1 and 2, mounting holes 16 are formed at four corners of the top of the bottom plate 1, and the device can be conveniently and fixedly mounted by the aid of the mounting holes 16.

The working principle is as follows:

the first step is as follows: the device is fixedly arranged at a designated position through the mounting hole 16;

the second step is that: according to the installation height of the self-operated differential pressure balance valve body 7, the driving blocks 4 on the two sides are rotated, so that the driving blocks 4 drive the screw rods 2 to rotate on the inner surface of the cylinder body 8, the cylinder body 8 drives the bearing plate 5 to move, the bearing plate 5 drives the movable column 10 to move, the movable column 10 drives the sliding plate 9 to slide on the inner surface of the sliding groove 11 to extrude the pressure spring 12, and the bearing plate 5 drives the protection box 6 to move, so that the protection box 6 drives the self-operated differential pressure balance valve body 7 to move to a proper installation height;

the third step: through the through hole 14, the external pipelines at two sides of the protection box 6 are communicated with the self-operated differential pressure balance valve body 7, and then the baffle 13 is fixedly connected with the protection box 6 through screws.

Through above structure, can support self-operated differential pressure balanced valve body 7, effectual self-operated differential pressure balanced valve body 7 of avoiding is unsettled, causes the damage, influences self-operated differential pressure balanced valve body 7's life.

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.

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 self-operated differential pressure balance valve comprises a bottom plate (1), and is characterized in that: the center of the top of the bottom plate (1) is rotationally connected with a screw rod (2) through a bearing, the outer surface of the screw rod (2) is in threaded connection with a sleeve (3), the left side and the right side of the outer surface of the screw rod (2) and the lower part of the sleeve (3) are both fixedly connected with a driving block (4), the top of the sleeve (3) is fixedly connected with a bearing plate (5) through a connecting plate, the top of the bearing plate (5) is fixedly connected with a protective box (6), the bottom of the inner cavity of the protective box (6) is fixedly connected with a self-operated differential pressure balance valve body (7), the left side and the right side of the top of the bottom plate (1) are both welded with a cylinder body (8), the inner cavity of the cylinder body (8) is connected with a sliding plate (9) in a sliding way, the top welding of slide (9) has movable post (10), the top of movable post (10) runs through barrel (8) and passes through the junction fixed connection of connecting plate and loading board (5).

2. The self-operated differential pressure equalizing valve of claim 1, wherein: the left side and the right side of the inner cavity of the barrel body (8) are provided with sliding chutes (11) matched with the sliding plate (9), and the outer surface of the sliding plate (9) is in sliding connection with the inner surface of the sliding chutes (11).

3. The self-operated differential pressure equalizing valve of claim 1, wherein: the outer surface cover of activity post (10) is equipped with pressure spring (12), the junction fixed connection of the bottom of pressure spring (12) and slide (9), the junction fixed connection of the top of pressure spring (12) and barrel (8).

4. The self-operated differential pressure equalizing valve of claim 1, wherein: the front of guard box (6) is through screw fixed connection baffle (13), the front of baffle (13) is inlayed and is equipped with the observation window.

5. The self-operated differential pressure equalizing valve of claim 1, wherein: the left side and the right side of the protection box (6) are provided with through holes (14) matched with the self-operated pressure difference balance valve body (7) for use, and sound insulation plates (15) are bonded on the inner surface of the protection box (6).

6. The self-operated differential pressure equalizing valve of claim 1, wherein: four corners of the top of the bottom plate (1) are provided with mounting holes (16).