CN111198071A

CN111198071A - Crude oil pressure gauge buffer tank

Info

Publication number: CN111198071A
Application number: CN201811385590.9A
Authority: CN
Inventors: 吴新潮; 贾鹏
Original assignee: Xian Tianheng Measuring Instrument Co Ltd
Current assignee: Xian Tianheng Measuring Instrument Co Ltd
Priority date: 2018-11-20
Filing date: 2018-11-20
Publication date: 2020-05-26

Abstract

The invention discloses a crude oil pressure gauge buffer tank which comprises a tank body and a pressure gauge, wherein a connecting pipe is arranged at the top end of the tank body, a joint pipe is arranged at the bottom of the pressure gauge, a fixed pipe is jointly arranged on the pressure gauge and the joint pipe, a first piston and a second piston are respectively arranged in the tank body and are distributed up and down, protective liquid is filled at the upper side of the first piston, two buffer springs are symmetrically connected between the first piston and the second piston, and a limit ring is arranged on the inner side wall of the tank body. According to the invention, the second piston is additionally arranged in the buffer tank of the pressure gauge to be contacted with the liquid to be measured, so that the first piston is prevented from being damaged due to long-time direct contact with the liquid, the stability of the first piston during working is improved, the first piston is well protected, the buffer tank and the pressure gauge are simply and conveniently disassembled and assembled, and the buffer tank or the pressure gauge is convenient to replace.

Description

Crude oil pressure gauge buffer tank

Technical Field

The invention relates to the technical field of pressure gauge buffering, in particular to a crude oil pressure gauge buffer tank.

Background

The pressure gauge is a meter which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the ambient pressure, is very commonly applied and almost extends to all the fields of industrial processes and scientific researches. The method is widely available in the fields of heating power pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance plants and shops and the like. Especially in the industrial process control and technical measurement process, the mechanical pressure gauge is more and more widely applied due to the characteristics of high mechanical strength, convenient production and the like of the elastic sensitive element of the mechanical pressure gauge.

The current manometer generally is equipped with the buffering curved in import department, but the buffering effect of buffering curved when meetting strong impact time power is relatively poor, and the manometer damages easily, and someone has proposed to connect a buffer tank at the manometer anterior segment and has cushioned the pressure of liquid, and the effect is obvious. But current surge tank generally only is equipped with a piston, and liquid is direct and piston contact, and long-time soaking makes the piston damaged with the erosion easily, influences the manometer and normally works, and current surge tank is not convenient for change simultaneously, needs to improve.

Disclosure of Invention

The invention aims to solve the problems that a piston in a buffer tank is easy to damage due to direct contact with liquid and the buffer tank is not easy to replace in the prior art, and provides the buffer tank of a crude oil pressure gauge.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a crude oil pressure gauge buffer tank, includes a jar body and manometer, the top of the jar body is equipped with the connecting pipe, the bottom of manometer is equipped with the adapter tube, install fixed pipe jointly on manometer and the adapter tube, the inside of the jar body is equipped with first piston and second piston respectively, and distributes from top to bottom first piston and second piston, the upside packing of first piston has the protection liquid, symmetrical connection has two buffer spring between first piston and the second piston, install the spacing ring on the inside wall of the jar body, the spacing ring is located one side that the second piston was kept away from to first piston.

Preferably, two limiting slide blocks are symmetrically arranged on the outer side wall of the second piston, and two limiting slide grooves matched with the limiting slide blocks are symmetrically formed in the inner side wall of the tank body.

Preferably, the fixed pipe is in threaded connection with the joint pipe, two clamping mechanisms are symmetrically arranged between the fixed pipe and the connecting pipe, and the fixed pipe is connected with the connecting pipe through the two clamping mechanisms.

Preferably, the clamping mechanism comprises a fixing block and a fixing groove, two mounting holes are symmetrically formed in the inner side wall of the fixing pipe, two top springs are mounted on the inner side wall of each mounting hole, the fixing block is mounted at one end, opposite to each top spring, of each top spring, the fixing grooves matched with the fixing blocks are symmetrically formed in the outer side wall of the connecting pipe, and inclined openings are formed in the bottom wall of one side, opposite to each fixing block, of each fixing block.

Preferably, the side walls of the two opposite sides of the fixed blocks are provided with pull rods, and the pull rods extend to the outer side of the fixed pipe and are provided with pull blocks.

Preferably, a sealing ring is arranged between the connecting pipe and the joint pipe.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the second piston is additionally arranged in the pressure gauge buffer tank to be contacted with the liquid to be detected, so that the first piston is prevented from being damaged due to long-time direct contact with the liquid, the working stability of the first piston is improved, and the first piston is well protected;

2. the buffer tank and the pressure gauge are simply and conveniently disassembled and assembled, the buffer tank and the pressure gauge can be conveniently connected, and meanwhile, the buffer tank and the pressure gauge are also convenient and fast to disassemble, and the buffer tank or the pressure gauge is convenient to replace.

Drawings

FIG. 1 is a schematic view of the overall structure of a crude oil pressure gauge buffer tank according to the present invention;

FIG. 2 is an enlarged view of the structure of part A of a crude oil pressure gauge buffer tank according to the present invention.

In the figure: 1 tank body, 2 connecting pipes, 3 pressure gauges, 4 joint pipes, 5 fixed pipes, 6 limiting rings, 7 first pistons, 8 second pistons, 9 limiting sliding blocks, 10 limiting sliding grooves, 11 buffer springs, 12 fixed blocks, 13 fixed grooves, 14 pull rods and 15 top springs.

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 a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, a crude oil pressure gauge buffer tank comprises a tank body 1 and a pressure gauge 3, wherein a connecting pipe 2 is arranged at the top end of the tank body 1, a joint pipe 4 is arranged at the bottom of the pressure gauge 3, a fixing pipe 5 is jointly arranged on the pressure gauge 3 and the joint pipe 4, a sealing ring is arranged between the connecting pipe 2 and the joint pipe 4, the sealing performance of the connecting pipe 2 and the joint pipe 4 is improved, and liquid leakage is prevented, a first piston 7 and a second piston 8 are respectively arranged inside the tank body 1, the first piston 7 and the second piston 8 are vertically distributed, the upper side of the first piston 7 is filled with protective liquid, two buffer springs 11 are symmetrically connected between the first piston 7 and the second piston 8, two limiting slide blocks 9 are symmetrically arranged on the outer side wall of the second piston 8, two limiting slide grooves 10 mutually matched with the limiting slide blocks 9 are symmetrically arranged on the inner side wall of the tank body 1, and the moving path of the, improve second piston 8's stability, avoid the second piston to take place the slope condition, and then promote first piston 7's stability, install spacing ring 6 on jar body 1's the inside wall, spacing ring 6 is located first piston 7 and keeps away from one side of second piston 8, prevents first piston 7 slippage, carries on spacingly to it.

The fixing pipe 5 is in threaded connection with the joint pipe 4, two clamping mechanisms are symmetrically arranged between the fixing pipe 5 and the connecting pipe 2, the fixing pipe 5 is connected with the connecting pipe 2 through the two clamping mechanisms, each clamping mechanism comprises a fixing block 12 and a fixing groove 13, two mounting holes are symmetrically formed in the inner side wall of the fixing pipe 5, top springs 15 are mounted on the inner side walls of the two mounting holes, the fixing blocks 12 are mounted at the opposite ends of the two top springs 15, the fixing grooves 13 matched with the fixing blocks 12 are symmetrically formed in the outer side wall of the connecting pipe 2, the fixing blocks 12 are stably supported in the fixing grooves 13 through the two top springs 15, a good connecting effect is provided, oblique openings are formed in the bottom walls of the opposite sides of the two fixing blocks 12, when the connecting pipe 2 is inserted into the fixing pipe 5, the connecting pipe 2 can extrude the fixing blocks 12 into the mounting holes through the oblique openings, the installation is convenient, pull rods 14 are mounted on the, and the pull rod 14 extends to the outside of the fixed pipe 5 and is mounted with a pull block.

The working principle of the invention is as follows: when liquid enters from the bottom of the buffer tank, the second piston 8 is firstly impacted, impact force is slowly released to the first piston 7 by absorption of the buffer spring 11, then the first piston 7 exerts pressure on protective liquid, the pressure gauge 3 displays pressure data, when the buffer tank and the pressure gauge 3 are required to be connected, the fixed pipe 5 is screwed on the joint pipe 4 firstly, then the connecting pipe 2 is directly inserted into the fixed pipe 5, because the bottom of the fixed block 12 is provided with an inclined opening, the joint pipe 2 can be directly inserted into the fixed pipe 5 and extrude the fixed block 12 into the mounting opening, until the fixed block 12 is popped into the fixed groove 13 to fix the connecting pipe 2, when the pressure gauge 3 and the buffer tank are required to be disassembled, the fixed block 12 can be pulled out of the fixed groove 13 by pulling the pull rod 14, and the buffer tank can be disassembled.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a crude oil pressure gauge buffer tank, includes a jar body (1) and manometer (3), the top of jar body (1) is equipped with connecting pipe (2), the bottom of manometer (3) is equipped with adapter tube (4), its characterized in that: install fixed pipe (5) jointly on manometer (3) and adapter tube (4), the inside of the jar body (1) is equipped with first piston (7) and second piston (8) respectively, and distributes from top to bottom first piston (7) and second piston (8), the upside packing of first piston (7) has the protection liquid, symmetrical connection has two buffer spring (11) between first piston (7) and second piston (8), install spacing ring (6) on the inside wall of the jar body (1), spacing ring (6) are located one side that second piston (8) were kept away from in first piston (7).

2. The crude oil pressure gauge surge tank of claim 1, wherein: two limiting slide blocks (9) are symmetrically arranged on the outer side wall of the second piston (8), and two limiting slide grooves (10) matched with the limiting slide blocks (9) are symmetrically arranged on the inner side wall of the tank body (1).

3. The crude oil pressure gauge surge tank of claim 1, wherein: the fixed pipe (5) is in threaded connection with the joint pipe (4), two clamping mechanisms are symmetrically arranged between the fixed pipe (5) and the connecting pipe (2), and the fixed pipe (5) is connected with the connecting pipe (2) through the two clamping mechanisms.

4. The crude oil pressure gauge surge tank of claim 3, wherein: clamping mechanism includes fixed block (12) and fixed slot (13), two installing ports, two have been seted up to the symmetry on the inside wall of fixed pipe (5) all install on the inside wall of installing port top spring (15), two fixed block (12) are all installed to the relative one end of top spring (15), two fixed slot (13) of mutually supporting with fixed block (12), two have been seted up to the symmetry on the lateral wall of connecting pipe (2) the bevel connection has all been seted up to the diapire of the relative one side of fixed block (12).

5. The crude oil pressure gauge surge tank of claim 4, wherein: two all install pull rod (14) on the lateral wall of fixed block (12) opposite side, and pull rod (14) extend to the outside of fixed pipe (5) and install and draw the piece.

6. The crude oil pressure gauge surge tank of claim 1, wherein: and a sealing ring is arranged between the connecting pipe (2) and the joint pipe (4).