CN214121308U

CN214121308U - Detachable flowmeter volume correction appearance

Info

Publication number: CN214121308U
Application number: CN202022066503.2U
Authority: CN
Inventors: 陈光化; 陈卓; 李岳
Original assignee: Hefei Zhongrui Automation Instrument Co ltd
Current assignee: Hefei Zhongrui Automation Instrument Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-09-03
Anticipated expiration: 2030-09-18

Abstract

The utility model relates to a fluid measurement technical field, concretely relates to detachable flowmeter volume correction appearance aims at solving current flowmeter volume correction appearance dismouting difficulty, and the step is loaded down with trivial details, spends the problem of more time, including the tubular correction appearance organism of pipe and install the gauge outfit at correction appearance organism outer wall, the correction appearance organism is installed the male joint unit along air flue extending direction bilateral symmetry, and female joint unit is installed to male joint unit other end joint, and the female joint unit other end is installed on delivery hose, the male joint unit is equipped with the three joint male head that is annular equipartition including installing the fixed pipe at correction appearance organism gas port mouth on the fixed pipe outer wall, the utility model discloses higher social use value and application prospect have.

Description

Detachable flowmeter volume correction appearance

Technical Field

The utility model relates to a fluid measurement technical field, concretely relates to detachable flowmeter volume correction appearance.

Background

At present, volume flow measurement is mainly used for measurement with high precision requirement in gas trade, namely parameters such as volume flow of media in a pipeline are detected through a metering instrument, and the used metering instrument is mainly a flowmeter. The flowmeter is formed by matching a flowmeter base meter and a volume corrector, wherein the flowmeter base meter is usually a turbine flowmeter, a waist wheel flowmeter and the like, the flowmeter base meter outputs measured parameters such as volume flow and the like as signals and transmits the signals to the volume corrector, and the volume corrector calculates accumulated volume flow under standard reference conditions according to the parameters such as temperature, pressure, flow and the like measured by a plurality of built-in sensors so as to realize accurate measurement.

The existing flowmeter volume corrector is mainly fixedly mounted on a flowmeter or a fixed pipeline, is suitable for long-term use, and is suitable for the condition of being mounted on a hose or an elastic pipeline or being used in a short term, the mounting mode of the traditional flowmeter volume corrector is complex, a large amount of time can be spent in dismounting, and the use is extremely inconvenient, so that the detachable flowmeter volume corrector is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a detachable flowmeter volume correction appearance, overcome the not enough of prior art, reasonable in design, compact structure, effectual current flowmeter volume correction appearance dismouting of having solved is loaded down with trivial details, awkward problem.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a detachable flowmeter volume corrector comprises a tubular corrector body and a gauge head arranged on the outer wall of the corrector body, wherein male joint units are symmetrically arranged on the two sides of the corrector body along the extending direction of an air passage, the other end of each male joint unit is clamped and connected with a female joint unit, and the other end of each female joint unit is arranged on a hose a;

the male joint unit comprises a fixed pipe arranged at an air channel opening of a corrector body, three clamping male heads which are uniformly distributed in an annular mode are arranged on the outer wall of the fixed pipe, the clamping male heads are cylindrical and perpendicular to the outer wall of the fixed pipe, an annular bulge is arranged on the inner wall of the fixed pipe, a rubber joint is clamped on the inner wall of the fixed pipe, the other end of the rubber joint is a spherical head with an excessive inclined plane, the air channel opening is outwards shaped like a horn mouth, and the rubber joint is in close contact with the female joint unit;

female joint unit includes the interface round pin, the interface round pin is the metal pipe of notch cuttype concentric reducer, and inner wall corner is equipped with the inclined plane that corresponds with the rubber joint shape, the microcephaly one end of interface round pin is fixed inside the hose, the outer wall at fixed pipe is established to the first pot head of interface round pin, and the annular equipartition has the female head of three joint that corresponds the setting with the public head of joint on the interface round pin inner wall, the female head of joint inwards divide into slope section and bending segment in proper order from the opening end, the slope section inwards inclines from the opening end, bending segment extends and inwards buckles along interface round pin inner wall level, and bending segment's corner is equipped with the shallow slot that matches the block with the public head of joint.

Further, interface round pin major part one end outer wall is equipped with the chute that deepens gradually to the opening direction, and the chute outer sliding sleeve is equipped with and is annular joint lock, and joint lock inboard is equipped with the three lock foot that corresponds with the shallow slot of the female head of joint, and the lock foot is crotch form, and lock foot crotch department left-hand thread is in buckle section below and lock foot end cover shallow slot notch department.

Furthermore, sliding sleeve is equipped with O type circle in the chute, and O type circle is located the diapire outside of joint lock, and O type circle is the elastic rubber material.

Furthermore, a rubber sealing ring is arranged between the contact part of the rubber joint and the interface pin, and semicircular grooves corresponding to the shape of the rubber sealing ring are formed in the rubber joint and the interface pin.

Furthermore, a sealing gasket is arranged at the bottom of the groove, which is contacted with the pipe orifice of the hose, of the interface pin.

(III) advantageous effects

The embodiment of the utility model provides a detachable flowmeter volume correction appearance possesses following beneficial effect:

1. the detachable installation is realized through the mode of public female joint unit joint, only need press the joint lock during the installation, insert the interface round pin in the female joint unit and rotatory chucking, put down the joint lock, whole installation has just been accomplished, and the reverse operation of dismantlement process can be accomplished, has significantly reduced the dismouting time of flowmeter volume correction appearance, also with current mounting means simplification, has reduced the loaded down with trivial details procedure of dismouting, has effectively improved dismouting efficiency.

2. The sealing performance of the system is guaranteed through the rubber sealing ring at the joint of the male joint unit and the female joint unit and the sealing washer at the joint of the hose and the joint pin, the increase of errors caused by influences on the measurement of the flowmeter volume corrector is avoided, and harm to human bodies and the environment caused by air leakage is effectively avoided.

Drawings

The above features, technical features, advantages and implementations of a removable flow meter volume corrector will be further described in the following detailed description of preferred embodiments in a clearly understandable manner in conjunction with the accompanying drawings.

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

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic view of the latch of the present invention.

In the figure: the correction instrument comprises a correction instrument body 1, a male connector unit 2, a fixed pipe 21, a clamping male head 22, a rubber connector 23, a female connector unit 3, an interface pin 31, a clamping lock 32, an O-shaped ring 33, a clamping female head 34, an inclined section 341, a bent section 342, a rubber sealing ring 4, a sealing washer 5, a gauge outfit 6 and a hose a.

Detailed Description

The invention will be further described with reference to the following figures 1-3 and examples:

a detachable flowmeter volume corrector comprises a tubular corrector body 1 and a gauge head 6 arranged on the outer wall of the corrector body 1, wherein male joint units 2 are symmetrically arranged on the corrector body 1 along the extending direction of an air passage, the other ends of the male joint units 2 are clamped and connected with female joint units 3, and the other ends of the female joint units 3 are arranged on a hose a;

in this embodiment, as shown in fig. 2, the male joint unit 2 includes a fixed pipe 21 installed at an air channel opening of the correction instrument body 1, three clamping male heads 22 uniformly distributed in an annular shape are arranged on an outer wall of the fixed pipe 21, the clamping male heads 22 are cylindrical and perpendicular to the outer wall of the fixed pipe 21, an annular protrusion is arranged on an inner wall of the fixed pipe 21 and is clamped with a rubber joint 23, the other end of the rubber joint 23 is a spherical head with an excessive inclined surface, the air channel opening is outward in shape, and the rubber joint 23 is in close contact with the female joint unit 3, so as to ensure a sealing state of the whole system;

in this embodiment, as shown in fig. 1-3, the female connector unit 3 includes an interface pin 31, the interface pin 31 is a metal circular tube with a stepped large end and a stepped small end, and the corner of the inner wall is provided with an inclined plane corresponding to the shape of the rubber connector 23, one end of the small end of the interface pin 31 is fixed inside the flexible tube a, one end of the large end of the interface pin 31 is sleeved on the outer wall of the fixed tube 21, and three female connector pins 34 corresponding to the male connector 22 are annularly and uniformly distributed on the inner wall of the interface pin 31, the female connector pins 34 are sequentially divided into an inclined section 341 and a bent section 342 from the open end inwards, the inclined section 341 inclines inwards from the open end, the bent section 342 horizontally extends along the inner wall of the interface pin 31 and bends inwards, and the corner of the bent section 342 is provided with a shallow groove matched and engaged with the male connector pin 22, when being installed, the female connector pin 34 is rotated, the male connector 22 ascends along the ramp of the female connector pins are gradually pressed, finally, the rubber joint 23 is pressed on the inclined plane of the interface pin 31 by falling the horizontal part into the shallow groove for clamping, thereby ensuring the sealing effect of the joint.

In this embodiment, as shown in fig. 1 to 3, the outer wall of the large end of the interface pin 31 is provided with a chute which is gradually deepened toward the opening direction, the chute is slidably sleeved with an annular clamping lock 32, three locking legs corresponding to the shallow slot of the female clamping head 34 are arranged inside the clamping lock 32, the locking legs are in a hook shape, the hook of the locking leg is reversely buckled below the bending section 342, the tail end of the locking leg covers the slot of the shallow slot, after the clamping process is completed, the clamping lock 32 is put down, the locking leg of the clamping lock 32 is buckled above the male clamping head 22, and the male clamping head 22 is fixed at the shallow slot of the female clamping head 34, so that the stability of the clamping interface is ensured, and the interface is prevented from being loosened.

In this embodiment, as shown in fig. 1 to 3, the sliding sleeve in the chute is provided with an O-ring 33, the O-ring 33 is located on the outer side of the bottom wall of the snap lock 32, the O-ring 33 is made of elastic rubber, during installation, the snap lock 32 is opened towards the small end of the joint pin 31, at this time, the O-ring 33 is stressed and expanded, and after the snap connection is completed, the O-ring 33 is rebounded and reset, so that the snap lock 32 is pressed at the bottom of the chute.

In this embodiment, as shown in fig. 2, a rubber seal 4 is disposed between the rubber joint 23 and the interface pin 31, and both the rubber joint 23 and the interface pin 31 are provided with a semicircular groove corresponding to the shape of the rubber seal 4, the rubber seal 4 has good elasticity and plasticity, and in the process of compressing the rubber joint 23 and the interface pin 31, the rubber seal 4 deforms to fill the gap between the contact portions, thereby increasing the sealing effect.

In this embodiment, as shown in fig. 1 to 3, a sealing gasket 5 is installed at the bottom of the groove where the interface pin 31 contacts with the nozzle of the hose a, and the sealing gasket 5 can increase a layer of sealing effect and also play a role in buffering, so as to prevent the nozzle of the hose a from directly contacting with the interface pin 31 to affect the stability of the interface.

According to the utility model discloses detachable flowmeter volume correction appearance, with the fixed microcephaly mouth of pipe outer wall that cup joints at interface round pin 31 of hose a, promote joint lock 32 to microcephaly direction along interface round pin 31 outer wall and open the joint mouth, insert female joint unit 3 and rotatory with male joint unit 2, until connecing male joint 22 to fall into the shallow slot of female first 34 of joint, loosen joint lock 32 and let its automatic re-setting pin joint mouth, the process of whole installation just has been accomplished, during the dismantlement, open joint lock 32 earlier, reverse rotation can be torn open.

The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.

Claims

1. The utility model provides a detachable flowmeter volume correction appearance, includes the tubular correction appearance organism (1) of pipe shape and installs gauge outfit (6) at correction appearance organism (1) outer wall, its characterized in that: the correction instrument body (1) is symmetrically provided with male connector units (2) along two sides of the extending direction of the air passage, the other ends of the male connector units (2) are clamped with female connector units (3), and the other ends of the female connector units (3) are arranged on the hose;

the male joint unit (2) comprises a fixed pipe (21) arranged at an air channel opening of the correcting instrument body (1), three clamping male heads (22) which are uniformly distributed in an annular mode are arranged on the outer wall of the fixed pipe (21), the clamping male heads (22) are cylindrical and perpendicular to the outer wall of the fixed pipe (21), an annular bulge is arranged on the inner wall of the fixed pipe (21) and is clamped with a rubber joint (23), the other end of the rubber joint (23) is a spherical head with an excessive inclined surface, the air channel opening is outwards shaped like a horn mouth, and the rubber joint (23) is in close contact with the female joint unit (3);

female joint unit (3) are including interface round pin (31), interface round pin (31) are the metal pipe of notch cuttype odd bits, and inner wall corner is equipped with the inclined plane that corresponds with rubber joint (23) shape, the microcephaly one end of interface round pin (31) is fixed inside the hose, the outer wall at fixed pipe (21) is established to interface round pin (31) major part pot head, and annular equipartition has three joint female head (34) that correspond the setting with joint male head (22) on interface round pin (31) inner wall, joint female head (34) inwards divide into slope section (341) and bending segment (342) from the opening end in proper order, slope section (341) inwards incline from the opening end, bending segment (342) extend and inwards buckle along interface round pin (31) inner wall level, and the corner of bending segment (342) is equipped with the shallow slot that matches the block with joint male head (22).

2. The removable flow meter volume corrector of claim 1, wherein: interface round pin (31) major part one end outer wall is equipped with the chute that deepens gradually to the opening direction, and the chute outer sliding sleeve is equipped with and is annular joint lock (32), and joint lock (32) inboard is equipped with the three lock foot that corresponds with the shallow slot, and the lock foot is the crotch form, and lock foot crotch department left-hand thread is in buckle section (342) below and lock foot end cover shallow slot department.

3. The removable flow meter volume corrector of claim 2, wherein: sliding sleeve is equipped with O type circle (33) in the chute, and O type circle (33) are located the diapire outside of joint lock (32), and O type circle (33) are elastic rubber material.

4. The removable flow meter volume corrector of claim 1, wherein: a rubber sealing ring (4) is arranged between the rubber joint (23) and the interface pin (31), and semicircular grooves corresponding to the shape of the rubber sealing ring (4) are formed in the rubber joint (23) and the interface pin (31).

5. The removable flow meter volume corrector of claim 1, wherein: and a sealing gasket (5) is arranged at the bottom of the groove, which is contacted with the pipe orifice of the hose, of the interface pin (31).