CN209469425U - Well head natural gas metering device - Google Patents

Abstract

The utility model relates to gas metering technical fields, and disclose well head natural gas metering device, including air inlet pipe, the inner wall of the air inlet pipe is fixedly connected with fixed block, the front of the fixed block is fixedly connected with connecting shaft, the outer wall of the connecting shaft is fixedly connected with position plate, diaphragm seal is fixedly connected at the top of the position plate, the side of the air inlet pipe is fixedly connected with fixed station, fixture block is fixedly connected at the top of the fixed station, the side of the fixture block offers clamping slot, the inner wall of the clamping slot is fixedly connected with link block, the side of the link block is fixedly connected with reset spring, one end of the reset spring is fixedly connected with shield.The well head natural gas metering device, it can achieve the effect that keep the device easy to disassemble, solve the problems, such as that general well head natural gas metering device is not easy to disassembly using unitary design, to facilitate worker to overhaul, a large amount of time and artificial is saved, to finally obtain the purpose being convenient for people to use.

Description

Well head natural gas metering device

Technical field

The utility model relates to gas metering technical fields, specially well head natural gas metering device.

Background technique

Natural gas has the characteristics that compare the energy such as petroleum, coal tool without waste after burning as a kind of clean energy resource There is at low cost, high efficiency, it is pollution-free, the features such as using safe and convenient, just increasingly show powerful development potentiality.With the people Improvement of living standard and the enhancing of environmental consciousness, demand of the most cities to natural gas obviously increase, natural gas or pipeline Natural gas as domestic fuel economic benefit also greater than industrial fuel.When providing a user natural gas by gas transmission line, Need the flow velocity of natural gas and flow control in a certain range, will also flow information accurate recording liquefaction to user it is natural Gas main component is methane, and being recognized is fossil energy most clean on the earth, colourless, tasteless, nontoxic and non-corrosive, system The process of making is the natural gas purification processing for first producing gas field, after the liquefaction of a succession of ultralow temperature, utilizes liquefied natural gas shipping It send, it is very small to air pollution after liquefied natural gas burning, and also the heat released is big, so liquefied natural gas is a kind of comparison The advanced energy is increasingly taken seriously in the utilization of energy shortage, the today's society that environmental pollution is serious, liquefied natural gas, Liquefied natural gas is mostly the liquefied natural gas storage in holding vessel that will be produced during transport, is needed during tinning Liquefied petroleum gas is measured.

Well head natural gas metering device currently on the market, mostly uses greatly unitary design, metering device is caused to be not easy to Disassembly needs that a large amount of unnecessary times is spent to dismantle metering device, in this way when staff needs to overhaul it Cause the working efficiency of staff lower, seriously affects the work quality of staff, therefore, existing well head natural gas Metering device needs to improve.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides well head natural gas metering device, has easy to disassemble etc. Advantage solves the problems, such as that general well head natural gas metering device is not easy to disassembly using unitary design.

(2) technical solution

To realize above-mentioned well head natural gas metering device purpose easy to disassemble, the utility model provides following technical side Case: well head natural gas metering device, including air inlet pipe, the inner wall of the air inlet pipe are fixedly connected with fixed block, the fixed block Front be fixedly connected with connecting shaft, the outer wall of the connecting shaft is fixedly connected with position plate, and the top of the position plate is fixed It is connected with diaphragm seal, the side of the air inlet pipe is fixedly connected with fixed station, is fixedly connected with fixture block at the top of the fixed station, The side of the fixture block offers clamping slot, and the inner wall of the clamping slot is fixedly connected with link block, the side of the link block It is fixedly connected with reset spring, one end of the reset spring is fixedly connected with shield, and the side of the shield is connected with Embedded block, the side of the embedded block are fixedly connected with clamping bar, and one end of the clamping bar is fixedly connected with metering device sheet Body, the inner sidewall of the metering device ontology are fixedly connected with limited block, and the outer wall of the metering device ontology is fixedly connected with Retaining spring is fixedly connected with escape pipe at the top of the metering device ontology.

Preferably, the inner wall of the air inlet pipe is fixedly connected with adsorption layer, and the bottom of the adsorption layer is provided with fixed company The filter layer in air inlet inside pipe wall is connect, and adsorption layer and filter layer are respectively activated carbon adsorption layer and sponge filter layer.

Preferably, the bottom of the escape pipe through the top for measuring device noumenon and extends to the interior of metering device ontology Portion, and the caliber of escape pipe is 50 centimetres.

Preferably, the outer wall of the air inlet pipe is fixedly connected with valve, and the side of air inlet pipe is run through simultaneously in one end of valve The inside of air inlet pipe is extended to, and the junction of valve and air inlet pipe is provided with barrier circle.

Preferably, the bottom of the limited block is fixedly connected with sealing ring, and the outer wall of sealing ring and metering device ontology Inner sidewall be fixedly connected, and sealing ring be rubber seal.

Preferably, the quantity of the fixed block is two, and two fixed blocks are using the median vertical line of air inlet pipe as symmetry axis It is symmetricly set on the inner sidewall of air inlet pipe.

Preferably, the quantity of the position plate is two, and the top of two position plates offers triangular gap, and Two position plates only upwardly open, and the bottom of diaphragm seal is only fixedly connected with left side position plate.

(3) beneficial effect

Compared with prior art, the utility model provides well head natural gas metering device, have it is following the utility model has the advantages that

1, the well head natural gas metering device, by fixture block, retaining spring, clamping bar, embedded block, shield, reset spring, Being used in conjunction with each other for clamping slot and link block, can achieve the effect that keep the device easy to disassemble solve general well head day The problem of right gas metering device is not easy to disassembly using unitary design, so that worker be facilitated to overhaul, has saved a large amount of time With it is artificial, to finally obtain the purpose being convenient for people to use.

2, the well head natural gas metering device, passes through the fixed block of setting, connecting shaft, position plate and diaphragm seal, Ke Yida To the purpose for preventing natural gas from flowing backwards, to improve the efficiency of metering, to further speed up the efficiency of people's work, finally reach To the purpose to save human and material resources, it is convenient for people to use.

3, the well head natural gas metering device can be reached by the adsorption layer and filter layer of setting by natural gas filtering The purpose adsorbed again obtains more accurate numerical value, people is facilitated to work to keep the metering of natural gas more accurate.

Detailed description of the invention

Fig. 1 is the utility model front elevational view；

Fig. 2 is the utility model air inlet pipe and position plate connection figure；

Fig. 3 is enlarged drawing at the utility model A in Fig. 1.

In figure: 1 air inlet pipe, 2 fixed stations, 3 fixture blocks, 4 metering device ontologies, 5 limited blocks, 6 retaining springs, 7 sealing rings, 8 Adsorption layer, 9 filter layers, 10 fixed blocks, 11 connecting shafts, 12 position plates, 13 diaphragm seals, 14 escape pipes, 15 clamping bars, 16 insertions Block, 17 shields, 18 reset springs, 19 clamping slots, 20 link blocks.

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.

Fig. 1-3, well head natural gas metering device, including air inlet pipe 1 are please referred to, the inner wall of air inlet pipe 1 is fixedly connected with suction Attached layer 8, the bottom of adsorption layer 8 is provided with the filter layer 9 for being fixedly connected on 1 inner wall of air inlet pipe, and adsorption layer 8 divides with filter layer 9 Not Wei activated carbon adsorption layer and sponge filter layer, active carbon is black powder or bulk, graininess or cellular amorphous Carbon, also there is the crystal carbon of arranged regular, includes also two class admixtures, one kind is chemically combined in active carbon in addition to carbon Element, mainly oxygen and hydrogen, these elements be due to not completely charing and remain in charcoal, it is external or in activation process Non-carbon element in conjunction with Surface Chemistry of Activated Carbon, another kind of admixture is ash content, it is the inorganic part of active carbon, and ash content exists Easily cause secondary pollution in active carbon, active carbon is and extra large due in stronger adsorptivity, being widely used in producing and live Silk floss is a kind of porous material, has good water imbibition, can be used in clean article, also very universal for filtering, by setting The adsorption layer 8 and filter layer 9 set, can achieve the purpose that again to adsorb natural gas filtering, to make the metering of natural gas more Accurately, more accurate numerical value is obtained, people is facilitated to work, the outer wall of air inlet pipe 1 is fixedly connected with valve, and one end of valve is passed through It pierces into the side of tracheae 1 and extends to the inside of air inlet pipe 1, and the junction of valve and air inlet pipe 1 is provided with barrier circle, valve It can achieve the effect of control air-flow velocity, to meet need of work, the inner wall of air inlet pipe 1 is fixedly connected with fixed block 10, Gu The quantity for determining block 10 is two, and two fixed blocks 10 are symmetricly set on air inlet pipe as symmetry axis using the median vertical line of air inlet pipe 1 1 inner sidewall, the front of fixed block 10 are fixedly connected with connecting shaft 11, and the outer wall of connecting shaft 11 is fixedly connected with position plate 12, The top of position plate 12 is fixedly connected with diaphragm seal 13, and the quantity of position plate 12 is two, and the top of two position plates 12 is equal Triangular gap is offered, and two position plates 12 only upwardly open, and the bottom of diaphragm seal 13 and left side position plate 12 are fixedly connected, and by the triangular gap of setting, position plate 12 can be made to move up, when airless passes through, position plate 12 is stuck by 1 institute of air inlet pipe, so having achieved the purpose that one-way ventilating, passes through the fixed block 10 of setting, connecting shaft 11, position plate 12 and diaphragm seal 13, it can achieve the purpose for preventing natural gas from flowing backwards, so that the efficiency of metering is improved, to further speed up The efficiency of people's work, is finally reached the purpose to save human and material resources, is convenient for people to use, the side of air inlet pipe 1 is fixedly connected Have a fixed station 2, the top of fixed station 2 is fixedly connected with fixture block 3, and the side of fixture block 3 offers clamping slot 19, clamping slot 19 it is interior Wall is fixedly connected with link block 20, and the side of link block 20 is fixedly connected with reset spring 18, and one end of reset spring 18 is fixed It is connected with shield 17, the side of shield 17 is connected with embedded block 16, and the side of embedded block 16 is fixedly connected with clamping bar 15, pass through fixture block 3, retaining spring 6, clamping bar 15, embedded block 16, shield 17, reset spring 18, clamping slot 19 and link block 20 be used in conjunction with each other, can achieve the effect that keep the device easy to disassemble, solve general well head natural gas metering device The problem of being not easy to disassembly using unitary design has saved a large amount of time and artificial, thus most so that worker be facilitated to overhaul The purpose being convenient for people to use eventually, one end of clamping bar 15 are fixedly connected with metering device ontology 4, metering device ontology 4 Inner sidewall be fixedly connected with limited block 5, the bottom of limited block 5 is fixedly connected with sealing ring 7, and the outer wall and meter of sealing ring 7 The inner sidewall of amount device noumenon 4 is fixedly connected, and sealing ring 7 is rubber seal, and rubber refers to the high-elastic of reversible deformation Property polymer material, high resilience at room temperature can generate larger deformation under the external force of very little, and removing can be extensive after external force Shape is restored, rubber belongs to entirely without styling polymer, and the outer wall of metering device ontology 4 is fixedly connected with retaining spring 6, metering dress The top for setting ontology 4 is fixedly connected with escape pipe 14, and the bottom of escape pipe 14 through the top for measuring device noumenon 4 and extends to The inside of metering device ontology 4, and the caliber of escape pipe 14 is 50 centimetres.

When in use, clamping bar 15 is pressed, retaining spring 6 is shunk, and clamping bar 15 is put into card fast 3, unclamps clamping bar 15, Retaining spring 6 pushes clamping bar 15, and embedded block 16 pushes shield 17 to be caught in clamping slot 19 and carries out clamping, is being dismantled When, clamping bar 15 is pressed, embedded block 16 is detached from clamping slot 19, and reset spring 18 releases shield 17.

In conclusion the well head natural gas metering device, can achieve the effect that keep the device easy to disassemble, thus convenient Worker's maintenance has saved a large amount of time and artificial, to finally obtain the purpose being convenient for people to use.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

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 (7)

1. well head natural gas metering device, including air inlet pipe (1), it is characterised in that: the inner wall of the air inlet pipe (1) is fixedly connected Have fixed block (10), the front of the fixed block (10) is fixedly connected with connecting shaft (11), and the outer wall of the connecting shaft (11) is solid Surely it is connected with position plate (12), is fixedly connected with diaphragm seal (13) at the top of the position plate (12), the one of the air inlet pipe (1) Side is fixedly connected with fixed station (2), is fixedly connected with fixture block (3) at the top of the fixed station (2), the side of the fixture block (3) It offering clamping slot (19), the inner wall of the clamping slot (19) is fixedly connected with link block (20), and the one of the link block (20) Side is fixedly connected with reset spring (18), and one end of the reset spring (18) is fixedly connected with shield (17), the shield (17) side is connected with embedded block (16), and the side of the embedded block (16) is fixedly connected with clamping bar (15), described One end of clamping bar (15) is fixedly connected with metering device ontology (4), and the inner sidewall of the metering device ontology (4) is fixedly connected Have limited block (5), the outer wall of the metering device ontology (4) is fixedly connected with retaining spring (6), the metering device ontology (4) escape pipe (14) are fixedly connected at the top of.

2. well head natural gas metering device according to claim 1, it is characterised in that: the inner wall of the air inlet pipe (1) is solid Surely it is connected with adsorption layer (8), the bottom of the adsorption layer (8) is provided with the filter layer for being fixedly connected on air inlet pipe (1) inner wall (9), and adsorption layer (8) and filter layer (9) are respectively activated carbon adsorption layer and sponge filter layer.

3. well head natural gas metering device according to claim 1, it is characterised in that: the bottom of the escape pipe (14) is passed through It wears the top of metering device ontology (4) and extends to the inside of metering device ontology (4), and the caliber of escape pipe (14) is 50 Centimetre.

4. well head natural gas metering device according to claim 1, it is characterised in that: the outer wall of the air inlet pipe (1) is solid Surely be connected with valve, and one end of valve through air inlet pipe (1) side and extend to the inside of air inlet pipe (1), and valve with The junction of air inlet pipe (1) is provided with barrier circle.

5. well head natural gas metering device according to claim 1, it is characterised in that: the bottom of the limited block (5) is solid Surely it is connected with sealing ring (7), and the outer wall of sealing ring (7) is fixedly connected with the inner sidewall of metering device ontology (4), and sealing ring It (7) is rubber seal.

6. well head natural gas metering device according to claim 1, it is characterised in that: the quantity of the fixed block (10) is Two, and two fixed blocks (10) are symmetricly set on the inside of air inlet pipe (1) using the median vertical line of air inlet pipe (1) as symmetry axis Wall.

7. well head natural gas metering device according to claim 1, it is characterised in that: the quantity of the position plate (12) is Two, and the top of two position plates (12) offers triangular gap, and two position plates (12) only upwardly open, And the bottom of diaphragm seal (13) is only fixedly connected with left side position plate (12).