阅读说明：本技术 一种防腐型压力测试仪表 (Anticorrosive type pressure test instrument ) 是由 曾彩霞 于 2020-04-30 设计创作，主要内容包括：本发明公开了一种防腐型压力测试仪表,其结构包括压力表壳、指针、密封液管、传导机构,压力表壳内部安装有指针,密封液管上端固定安装在压力表壳下端,海水通过安装板内部设置的通孔,这时通孔内部的反渗透膜对海水中的氯离子进行反渗透,通过两个贴合片提高海水在膜反渗板上进行流通的密封性,防止海水发生泄漏,确保测量压力数据的准确性,减少氯离子聚集在隔膜上,接着海水进入到隔膜上,对膜片进行压力作用,使膜片产生变形,指针进行转动显示出压力值,测量完成后,通过膜片下端设置的滴落管,通过导管将海水排进收集室内部,接着推动推杆,将海水和部分的晶体排出,确保隔膜发生变形的范围保持正常,确保隔膜的使用寿命。(The invention discloses an anti-corrosion pressure test instrument, which structurally comprises a pressure meter shell, a pointer, a sealing liquid pipe and a conduction mechanism, wherein the pointer is arranged in the pressure meter shell, the upper end of the sealing liquid pipe is fixedly arranged at the lower end of the pressure meter shell, seawater passes through a through hole arranged in an installation plate, a reverse osmosis membrane in the through hole performs reverse osmosis on chloride ions in the seawater, the tightness of the seawater flowing on a membrane reverse osmosis plate is improved through two binding sheets, the seawater leakage is prevented, the accuracy of pressure data measurement is ensured, the chloride ions are reduced to be gathered on a diaphragm, then the seawater enters the diaphragm, the diaphragm is subjected to pressure action to deform the diaphragm, the pointer rotates to display a pressure value, after the measurement is finished, the seawater and partial crystals are discharged through a dripping pipe arranged at the lower end of the diaphragm, the seawater is discharged into a collection chamber through a guide pipe, then a push rod is pushed, the deformation range of the diaphragm is kept normal, and the service life of the diaphragm is ensured.)

1. An anticorrosive type pressure test instrument, its structure includes pressure watchcase (1), pointer (2), sealed liquid pipe (3), conduction mechanism (4), pressure watchcase (1) internally mounted has pointer (2), sealed liquid pipe (3) upper end fixed mounting is in pressure watchcase (1) lower extreme, sealed liquid pipe (3) lower extreme fixed mounting is in conduction mechanism (4) upper end middle part and link up mutually, its characterized in that:

conduction mechanism (4) are including sealed frame (41), block mechanism (42), conduction pipe (43), diaphragm (44), inside conduction pipe (43) of being equipped with in sealed frame (41) upper end, sealed frame (41) lower extreme internally mounted has block mechanism (42), conduction pipe (43) are located diaphragm (44) directly over, conduction pipe (43) link up mutually with sealed liquid pipe (3) lower extreme.

2. The corrosion-resistant pressure test meter of claim 1, wherein: block mechanism (42) are including the membrane pass through mechanism (421), closing mechanism (422), the membrane passes through mechanism (421) and adopts clearance fit to install at the inside lower extreme of sealed frame (41), closing mechanism (422) fixed mounting is at the inside right-hand member of sealed frame (41), the membrane passes through mechanism (421) right-hand member and the inside conflict of closing mechanism (422).

3. The corrosion-resistant pressure test meter of claim 2, wherein: the membrane permeates mechanism (421) and includes disassembly body (21a), connecting rod (21b), the anti-board that oozes of membrane (21c), disassembly body (21a) block is inside sealed frame (41) right side, disassembly body (21a) left side middle-end is fixed mutually with connecting rod (21b) right-hand member, connecting rod (21b) middle-end and closing mechanism (422) inside are inconsistent, connecting rod (21b) left end is fixed mutually with the anti-board that oozes of membrane (21c) right side, the anti-board that oozes of membrane (21c) is installed in sealed frame (41) inside middle-end.

4. A corrosion protection type pressure test meter according to claim 3, wherein: the disassembling mechanism (21a) comprises a joint plate (a1), a deflector rod (a2), a rotating shaft (a3), a guide rod (a4), a buckle (a5) and a fixed clamping rod (a6), the attaching plate (a1) is attached inside the right side of the sealing frame (41), the left side surface of the attaching plate (a1) is fixed with the right end of the connecting rod (21b), the rotating shaft (a3) is fixedly arranged in the laminating plate (a1), the left end of the shift lever (a2) is fixed with the right side of the rotating shaft (a3), the guide rod (a4) is fixedly arranged inside the laminating plate (a1), the upper end of the guide rod (a4) is arranged inside the shifting rod (a2) in a clearance fit mode, the left side of the rotating shaft (a3) is fixed with the right end of a buckle (a5), the left end of the buckle (a5) is clamped with a fixed clamping rod (a6), and the fixed clamping rod (a6) is fixedly installed inside the sealing frame (41).

5. A corrosion protection type pressure test meter according to claim 3, wherein: the reverse osmosis membrane board (21c) includes mounting panel (c1), through-hole (c2), reverse osmosis membrane (c3), mounting panel (c1) right side is fixed with connecting rod (21b) left end, inside through-hole (c2) of having inlayed of mounting panel (c1), inside reverse osmosis membrane (c3) that is equipped with of through-hole (c 2).

6. The corrosion-resistant pressure test meter of claim 2, wherein: closing mechanism (422) are including switching board (22a), dwang (22b), torsion spring (22c), laminating piece (22d), dwang (22b) run through inside switching board (22a), dwang (22b) head end is equipped with torsion spring (22c), dwang (22b) adopt clearance fit to install inside sealed frame (41), switching board (22a) lower extreme is equipped with laminating piece (22 d).

7. The corrosion-resistant pressure test meter of claim 1, wherein: the diaphragm (44) comprises a conduction port (441), a diaphragm (442), a dripping pipe (443), a guide pipe (444) and a discharge mechanism (445), the conduction port (441) is located right below the diaphragm (442), the diaphragm (442) is located right below the conduction pipe (43), the dripping pipe (443) is arranged at the lower end of the diaphragm (442), the lower end of the dripping pipe (443) is communicated with the guide pipe (444), the guide pipe (444) is communicated with the interior of the discharge mechanism (445), and the left end of the discharge mechanism (445) is installed at the upper left end of the sealing frame (41).

8. The corrosion-resistant pressure test meter of claim 7, wherein: discharge mechanism (445) are including collecting room (45a), one-way switching board (45b), push rod (45c), fixed reset plate (45d), reset spring (45e), it link up mutually with pipe (444) to collect room (45a) right side lower extreme inside, one-way switching board (45b) are installed and are being collected room (45a) left side inside, one-way switching board (45b) left side surface offsets with push rod (45c) right-hand member, push rod (45c) adopt clearance fit to run through inside fixed reset plate (45d), fixed reset plate (45d) left side surface is fixed mutually with reset spring (45e) right-hand member, push rod (45c) left end runs through inside reset spring (45e), reset spring (45e) and fixed reset plate (45d) all are located sealed frame (41) upper left end inside.

Technical Field

The invention relates to the field of pressure instruments and meters, in particular to an anti-corrosion pressure test instrument.

Background

Generally adopt diaphragm type manometer to test when sea water measurement pressure value, diaphragm type manometer's diaphragm produces under the pressure effect of sea water and warp, sealed liquid pipe conducts to pressure instrument, the pressure value is shown, but the a large amount of chloride ion that contain in the sea water, the sea water is carrying out extruded in-process to the diaphragm, the sea water can remain on the diaphragm, the time is of a specified duration, chloride ion gathering in the sea water is on the diaphragm, cause the sea water to form the crystal on the diaphragm, the weight of the diaphragm that aggravates, it reduces to cause the diaphragm to take place the scope of deformation, lead to the pressure value to have certain error, and lead to the fact the corruption to the diaphragm, the life of diaphragm has been shortened.

Disclosure of Invention

The technical scheme adopted by the invention for realizing the technical purpose is as follows: this anticorrosive type pressure test instrument, its structure includes pressure cell shell, pointer, sealed liquid pipe, conduction mechanism, pressure cell shell internally mounted has the pointer, sealed liquid pipe upper end fixed mounting is at pressure cell shell lower extreme, sealed liquid pipe lower extreme fixed mounting is at conduction mechanism upper end middle part and link up mutually, conduction mechanism is including sealed frame, block mechanism, conduction pipe, diaphragm, the inside conduction pipe that is equipped with in sealed frame upper end, sealed frame lower extreme internally mounted has block mechanism, the conduction pipe is located the diaphragm directly over, the conduction pipe link up mutually with sealed liquid pipe lower extreme, the conduction pipe is under wide narrow structure.

As a further improvement of the invention, the clamping mechanism comprises a membrane penetrating mechanism and a closing mechanism, the membrane penetrating mechanism is arranged at the lower end in the sealing frame in a clearance fit mode, the closing mechanism is fixedly arranged at the right end in the sealing frame, the right end of the membrane penetrating mechanism is abutted against the inside of the closing mechanism, the number of the closing mechanisms is two, and the two closing mechanisms and the transverse center line of the membrane penetrating mechanism are in a front-back symmetrical structure.

As a further improvement of the invention, the membrane permeation mechanism comprises a disassembly mechanism, a connecting rod and two membrane reverse osmosis plates, wherein the disassembly mechanism is clamped inside the right side of the sealing frame, the middle end of the left side of the disassembly mechanism is fixed with the right end of the connecting rod, the middle end of the connecting rod is abutted against the inside of the closing mechanism, the left end of the connecting rod is fixed with the right side of the membrane reverse osmosis plate, the membrane reverse osmosis plates are arranged at the middle end inside the sealing frame, and the disassembly mechanisms are arranged in two and are respectively arranged inside the front end and the rear end of the right side of the sealing frame.

As a further improvement of the invention, the disassembling mechanism comprises an attaching plate, a shifting lever, a rotating shaft, a guide rod, a buckle and a fixed clamping rod, wherein the attaching plate is attached inside the right side of the sealing frame, the left side surface of the attaching plate is fixed with the right end of the connecting rod, the rotating shaft is fixedly installed inside the attaching plate, the left end of the shifting lever is fixed with the right side of the rotating shaft, the guide rod is fixedly installed inside the attaching plate, the upper end of the guide rod is installed inside the shifting lever in a clearance fit manner, the left side of the rotating shaft is fixed with the right end of the buckle, the left end of the buckle is clamped with the fixed clamping rod, the fixed clamping rod is fixedly installed inside the sealing frame, the guide rod is of an arc rod structure, the circle center of the guide rod is consistent with the circle center of the rotating shaft, and a spring.

As a further improvement of the invention, the membrane reverse osmosis plate comprises a mounting plate, a through hole and a reverse osmosis membrane, the right side of the mounting plate is fixed with the left end of the connecting rod, the through hole is embedded in the mounting plate, the reverse osmosis membrane is arranged in the through hole, the mounting plate is of a disc-shaped structure, and the through hole is provided with a plurality of through holes which are uniformly distributed in the bottom surface of the mounting plate.

As a further improvement of the present invention, the closing mechanism includes an opening and closing plate, a rotating rod, a torsion spring, and an attaching piece, the rotating rod penetrates through the inside of the opening and closing plate, the torsion spring is disposed at the head end of the rotating rod, the rotating rod is mounted inside the sealing frame in a clearance fit manner, the attaching piece is disposed at the lower end of the opening and closing plate, two opening and closing plates, two rotating rods, two attaching pieces, and a vertically symmetrical structure are provided, the opening and closing plate is opened only to the left side under the action of the torsion spring, a semicircular groove is disposed at the joint of the opening and closing plate and the connecting rod, the diameter of the semicircular groove is matched with the diameter of the connecting rod, and the attaching piece is made of rubber material and has.

As a further improvement of the present invention, the diaphragm includes a conduction port, a diaphragm, a dropping pipe, a conduit, and a discharge mechanism, the conduction port is located under the diaphragm, the diaphragm is located under the conduction pipe, the dropping pipe is arranged at the lower end of the diaphragm, the lower end of the dropping pipe is communicated with the conduit, the conduit is communicated with the inside of the discharge mechanism, the left end of the discharge mechanism is installed at the upper left end of the sealing frame, the diaphragm is composed of a plurality of arc sheets, the bottom end of each arc sheet of the diaphragm is connected with one dropping pipe, the dropping pipe is in a structure with a wide upper part and a narrow lower part, the conduit is installed at an inclined angle, and the inclined lower end of the conduit is communicated with the inside of the discharge mechanism.

As a further improvement of the invention, the discharge mechanism comprises a collection chamber, a one-way opening and closing plate, a push rod, a fixed reset plate and a reset spring, wherein the inner part of the right lower end of the collection chamber is communicated with the guide pipe, the one-way opening and closing plate is arranged in the inner part of the left side of the collection chamber, the left side surface of the one-way opening and closing plate is abutted against the right end of the push rod, the push rod penetrates through the inner part of the fixed reset plate in a clearance fit manner, the left side surface of the fixed reset plate is fixed with the right end of the reset spring, the left end of the push rod penetrates through the inner part of the reset spring, the reset spring and the fixed reset plate are both positioned in the inner part of the.

The invention has the beneficial effects that:

1. the sea water passes through the inside through-hole that sets up of mounting panel, at this moment, the inside reverse osmosis membrane of through-hole carries out reverse osmosis to the chlorion of sea water, it is inside to reduce chlorion to enter into the diaphragm, improve the leakproofness that the sea water circulates on the anti-infiltration board of membrane through two laminating pieces, prevent that the sea water from taking place to leak, ensure the accuracy of measured pressure data, and make the pivot drive buckle rotate through stirring the driving lever, separate with the fixing clip pole, at this moment, can take out the anti-infiltration board of membrane from sealed frame is inside, carry out quick replacement, reduce the chlorion the diaphragm gathering.

2. Then the sea water enters the diaphragm, the diaphragm is subjected to pressure action, the diaphragm is deformed, at the moment, the sea water is conducted to the inside of the pressure meter shell through the sealing liquid pipe, the pointer rotates to display a pressure value, after measurement is completed, the residual sea water on the diaphragm is discharged through the dropping pipe arranged at the lower end of the diaphragm, the sea water is discharged into the collecting chamber through the guide pipe, then the push rod is pushed, the push rod pushes the one-way opening and closing plate to be opened rightwards, the sea water and partial crystals are discharged, the formation of the crystals on the diaphragm by the sea water is avoided, the deformation range of the diaphragm is ensured to be kept normal, meanwhile, the corrosion to the diaphragm is reduced, and the service life of the diaphragm.

Drawings

Fig. 1 is a schematic structural diagram of an anticorrosion pressure test instrument according to the present invention.

Fig. 2 is a schematic diagram of an internal structure of a conducting mechanism according to the present invention.

FIG. 3 is a schematic top view of an engaging mechanism according to the present invention.

Fig. 4 is a schematic top view of the membrane transmission mechanism according to the present invention.

Fig. 5 is a partial enlarged structural view of a portion a of a detaching mechanism according to the present invention.

FIG. 6 is a schematic bottom perspective view of a membrane reverse osmosis plate according to the present invention.

Fig. 7 is a schematic perspective view of a closing mechanism according to the present invention.

Fig. 8 is a schematic view of the internal structure of a separator according to the present invention.

Fig. 9 is a schematic view of the internal structure of a discharge mechanism according to the present invention.

In the figure: pressure meter case-1, pointer-2, sealed liquid tube-3, conduction mechanism-4, sealed frame-41, clamping mechanism-42, conduction tube-43, diaphragm-44, membrane permeation mechanism-421, closing mechanism-422, detaching mechanism-21 a, connecting rod-21 b, membrane reverse osmosis plate-21 c, jointing plate-a 1, deflector rod-a 2, rotating shaft-a 3, guide rod-a 4, buckle-a 5, fixed clamping rod-a 6, mounting plate-c 1, through hole-c 2, reverse osmosis membrane-c 3, opening and closing plate-22 a, rotating rod-22 b, torsion spring-22 c, jointing sheet-22 d, conduction port-441, membrane-442, dropping tube-443, conduit-444, discharge mechanism-445, A collection chamber-45 a, a one-way opening and closing plate-45 b, a push rod-45 c, a fixed reset plate-45 d and a reset spring-45 e.

Detailed Description

The invention is further described below with reference to the accompanying drawings: