CN209705401U - It is a kind of with explosion-proof indoor natural gas line automatic valve - Google Patents

Abstract

The utility model discloses a kind of with explosion-proof indoor natural gas line automatic valve, including the first tube body, the left and right ends of first tube body are fixedly connected to the first fixed block, and the first upper end on the outside of tube body is fixedly connected with the second tube body, gas detecting instrument is fixedly connected on the left of second tube body, and second is provided with pressure detector on the right side of tube body, the second fixed block is slidably connected on the inside of the first sliding groove, inside thread in the middle part of second fixed block is connected with threaded rod, the left and right sides of the third fixed block offers second sliding slot, the fixed column is connected with the first tube body screw thread.This is convenient for having explosion-proof indoor natural gas line automatic valve, convenient for passing through the double monitoring of pressure and gas, prevent the leakage of natural gas, convenient for controlling the conveying of automatic valve cutting natural gas in advance, it effectively prevents natural gas leaking from exploding, greatly improves the explosion prevention function of natural gas line.

Description

It is a kind of with explosion-proof indoor natural gas line automatic valve

Technical field

It is specially a kind of with explosion-proof indoor natural gas tube the utility model relates to natural gas line correlative technology field Road automatic valve.

Background technique

Currently, in all trades and professions, it is extensive because gas economic is economical and uses more environmental protection With the conveying of natural gas is mainly pipeline, and natural gas is not easy to be monitored in pipeline, is easy to appear showing for leakage As answering this to need quickly to cut off natural gas after the case where leaking so that the detonation of natural gas be caused to cause fire Conveying, the setting of natural gas line automatic valve effectively solves the problems, such as this kind of.

But existing natural gas line automatic valve currently on the market, it is only provided with gas sensing device, for micro Gas leakage, often monitor less than cannot make safeguard procedures in advance well, and be caused when a large amount of gas leakages quick-fried Combustion, the closing velocity of automatic valve are often less than the detonation velocity of natural gas, while pressure caused by natural gas detonation It will cause the damage of automatic valve.

Utility model content

The purpose of this utility model is to provide a kind of with explosion-proof indoor natural gas line automatic valve, on solving State proposed in background technique for micro gas leakage, often monitor not in place, automatic valve cannot be closed timely, no Prevention in advance can be made well, keeps the security risk in later period more serious, greatly reduce natural gas line explosion prevention function The problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of with explosion-proof indoor natural gas tube Road automatic valve, including the first tube body, the left and right ends of first tube body are fixedly connected to the first fixed block, and the first pipe The upper end of external side is fixedly connected with the second tube body, and the inside of the second tube body offers first sliding groove, second tube body Left side be fixedly connected with gas detecting instrument, and pressure detector is provided on the right side of the second tube body, and pressure detector Lower end is connected with the first tube body screw thread, and the second fixed block, and the second fixed block are slidably connected on the inside of the first sliding groove Lower surface be fixedly connected with third fixed block, and third fixed block is connected with first sliding groove sliding, and described second is fixed Inside thread in the middle part of block is connected with threaded rod, and threaded rod is rotatedly connected with the second tube body and connects, and the upper end of threaded rod with The output end of motor is connected to a fixed, and the left and right sides of the third fixed block offers second sliding slot, and second sliding slot Lower end opens up hole, and second sliding slot is connected with fixed column sliding, and the fixed column is connected with the first tube body screw thread, And the outer sheath of fixed column is equipped with sealing ring.

Preferably, first fixed block is symmetrically arranged with 2 about the first tube body vertical central axis line, and the first tube body with Second tube body constitutes detaching structure.

Preferably, the equal semicircular in shape structure of the upper and lower ends of the second sliding slot, and second sliding slot is about third fixed block Vertical central axis line be symmetrically arranged with 2.

Preferably, the diameter dimension of described hole is equal to the diameter dimension on the inside of fixed column, and fixed column is in hollow structure, And the diameter dimension on the outside of fixed column is equal to the diameter dimension on the inside of the first tube body.

Preferably, the sealing ring is equidistantly provided with 2, and fixed column hanging down about third fixed block in fixed column Straight central axes are symmetrically arranged with 2.

Compared with prior art, the utility model has the beneficial effects that should be convenient for explosion-proof indoor natural gas line Automatic valve prevents the leakage of natural gas, cuts convenient for controlling automatic valve in advance convenient for passing through the double monitoring of pressure and gas The conveying of disconnected natural gas, effectively prevents natural gas leaking from exploding, greatly improves the explosion prevention function of natural gas line；

1, it is equipped with gas detecting instrument and pressure detector, the setting of gas detecting instrument and pressure detector is convenient for passing through pressure Double monitoring is carried out to natural gas line with gas, effectively prevents the micro-leakage of natural gas, so that security risk is caused, Convenient for controlling the conveying of automatic valve cutting natural gas in advance, the explosion prevention function of natural gas line is improved；

2, it is equipped with the second fixed block and third fixed block, third fixed block is by the second fixed block in the inside of first sliding groove It slides up and down, the lifting of the natural gas line automatic valve is convenient in the setting of the second fixed block and third fixed block, convenient in day The conveying of natural gas is cut off when right gas leakage, it is more convenient to operate；

3, it is equipped with fixed column and sealing ring, fixed column is symmetrically arranged with 2 about the vertical central axis line of third fixed block, and Fixed column is connected by the way of screw thread with the first tube body, and the outer sheath of fixed column is equipped with sealing ring, solid convenient for changeing Fixed column is overhauled, and the setting of sealing ring improves leakproofness, effectively prevents the leakage of natural gas, improves the automatic valve The practicability of door, the position that fixed column is contacted with the second fixed block is rubber material, and fixed column is closely pasted with the second fixed block It closes, effectively prevents the leakage of natural gas.

Detailed description of the invention

Fig. 1 is that the utility model faces the schematic diagram of the section structure；

Fig. 2 connect side structure schematic view with threaded rod for the second fixed block of the utility model；

Fig. 3 is the utility model second sliding slot and fixed column attachment structure schematic diagram；

Fig. 4 is utility model works flow diagram.

In figure: 1, the first tube body；2, the first fixed block；3, the second tube body；4, first sliding groove；5, gas detecting instrument；6, it presses Force detector；7, the second fixed block；8, third fixed block；9, threaded rod；10, motor；11, second sliding slot；12, hole；13, solid Fixed column；14, sealing ring.

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.

Please refer to Fig. 1-4, the utility model provides a kind of technical solution: it is a kind of with explosion-proof indoor natural gas line from Movable valve, including the first tube body 1, the first fixed block 2, the second tube body 3, first sliding groove 4, gas detecting instrument 5, pressure detector 6, Second fixed block 7, third fixed block 8, threaded rod 9, motor 10, second sliding slot 11, hole 12, fixed column 13 and sealing ring 14, The left and right ends of first tube body 1 are fixedly connected to the first fixed block 2, and the upper end in 1 outside of the first tube body is fixedly connected with the Two tube bodies 3, and the inside of the second tube body 3 offers first sliding groove 4, and the left side of the second tube body 3 is fixedly connected with gas detection Instrument 5, and the right side of the second tube body 3 is provided with pressure detector 6, and the lower end of pressure detector 6 and 1 screw thread phase of the first tube body Connection, the inside of first sliding groove 4 slidably connects the second fixed block 7, and the lower surface of the second fixed block 7 is fixedly connected with third Fixed block 8, and third fixed block 8 is connected with the sliding of first sliding groove 4, and the inside thread at 7 middle part of the second fixed block is connected with Threaded rod 9, and threaded rod 9 is rotatedly connected with the second tube body 3 and connects, and the upper end of threaded rod 9 and the output end of motor 10 are fixed It is connected, the left and right sides of third fixed block 8 offers second sliding slot 11, and the lower end of second sliding slot 11 opens up hole 12, and second sliding slot 11 is connected with the sliding of fixed column 13, and fixed column 13 is connected with 1 screw thread of the first tube body, and fixed column 13 outer sheath is equipped with sealing ring 14.

The first fixed block 2 is symmetrically arranged with 2 about 1 vertical central axis line of the first tube body as shown in figure 1, and the first tube body 1 with Second tube body 3 constitutes detaching structure, and convenient for the installation of the natural gas line automatic valve, it is more convenient to use, simultaneously It is also convenient for the maintenance and replacement in later period, the automatic valve is avoided to break down, so that the explosion prevention function of natural gas line is reduced, it is close Seal 14 is equidistantly provided with 2 in fixed column 13, and fixed column 13 is symmetrically set about the vertical central axis line of third fixed block 8 2 are equipped with, convenient for enhancing the leakproofness of the automatic valve, prevents the leakage of combustion gas.

Such as the equal semicircular in shape structure of the upper and lower ends of second sliding slot 11 in Fig. 2, and second sliding slot 11 is about third fixed block 8 Vertical central axis line be symmetrically arranged with 2, convenient for the engaging to fixed column 13, and being slided up and down convenient for fixed column 13, hole 12 diameter dimension is equal to the diameter dimension of 13 inside of fixed column, and fixed column 13 is in hollow structure, and on the outside of fixed column 13 Diameter dimension be equal to the diameter dimension of the inside of the first tube body 1, occurring to leak the defeated of cutting natural gas convenient for the automatic valve It send, so that the automatic valve is worked together more stable, better tightness uses the automatic valve more practical.

Working principle: when using this with explosion-proof indoor natural gas line automatic valve, pass through the of both ends first The automatic valve is mutually fixedly connected by one fixed block 2 with natural gas line, then makes valve and pipe by bolt on the first fixed block 2 Road is fixed even closer, prevents the leakage of natural gas, gas detecting instrument 5 and pressure detector 6 are provided on the automatic valve, Convenient for carrying out dual monitoring to natural gas line, after natural gas leaks, pass through gas detecting instrument 5 and pressure detector 6 monitoring, is then communicated in central processing unit, by processing, powers on, motor 10 is made to start turning work, motor 10 Output end on be fixedly connected with threaded rod 9, motor 10 drives threaded rod 9 to start turning in the inside of the second tube body 3, and makes the Two fixed blocks 7 start slide downward in first sliding groove 4, and the second fixed block 7 is connected to a fixed with third fixed block 8, and second is solid Determining block 7 drives third fixed block 8 to move downward, and fixed column 13 is made to start to slide in second sliding slot 11, fixed column 13 and The position of two fixed blocks 7 contact is rubber material, and convenient for preventing the gas leakage of natural gas, while fixed column needs regularly to overhaul, After fixed column 13 slides into 11 top of second sliding slot, disconnect fixed column 13 and hole 12, while third fixed block 8 is cut Connection between disconnected two fixed columns 13, has obstructed the conveying of natural gas, effectively prevent the detonation of natural gas, and maintenance finishes it Afterwards, then by the reversion of motor 10 move upwards third fixed block 8, after moving to bottom end, fixed column 13 is connected with hole 12 It connects, natural gas is made to re-start conveying, the model XD- of motor 10 used above by the first tube body 1 and hole 12 60KTYZ facilitates adjusting positive and negative rotation, and here it is the whole process used with explosion-proof indoor natural gas line automatic valve.

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 (5)

1. a kind of with explosion-proof indoor natural gas line automatic valve, including the first tube body (1), it is characterised in that: described The left and right ends of one tube body (1) are fixedly connected to the first fixed block (2), and the upper end on the outside of the first tube body (1) is fixedly connected Have the second tube body (3), and the inside of the second tube body (3) offers first sliding groove (4), the left side of second tube body (3) is solid Surely it is connected with gas detecting instrument (5), and is provided with pressure detector (6) on the right side of the second tube body (3), and pressure detector (6) lower end is connected with the first tube body (1) screw thread, slidably connects the second fixed block on the inside of the first sliding groove (4) (7), and the lower surface of the second fixed block (7) is fixedly connected with third fixed block (8), and third fixed block (8) is slided with first Slot (4) sliding is connected, the inside thread in the middle part of second fixed block (7) is connected with threaded rod (9), and threaded rod (9) with Second tube body (3), which is rotatedly connected, to be connect, and the upper end of threaded rod (9) and the output end of motor (10) are connected to a fixed, and described The left and right sides of three fixed blocks (8) offers second sliding slot (11), and the lower end of second sliding slot (11) opens up hole (12), And second sliding slot (11) is connected with fixed column (13) sliding, and the fixed column (13) is connected with the first tube body (1) screw thread, And the outer sheath of fixed column (13) is equipped with sealing ring (14).

2. according to claim 1 a kind of with explosion-proof indoor natural gas line automatic valve, it is characterised in that: described First fixed block (2) is symmetrically arranged with 2, and the first tube body (1) and the second tube body about the first tube body (1) vertical central axis line (3) detaching structure is constituted.

3. according to claim 1 a kind of with explosion-proof indoor natural gas line automatic valve, it is characterised in that: described The equal semicircular in shape structure of the upper and lower ends of second sliding slot (11), and second sliding slot (11) about third fixed block (8) it is vertical in Axisymmetrical is provided with 2.

4. according to claim 1 a kind of with explosion-proof indoor natural gas line automatic valve, it is characterised in that: described The diameter dimension of hole (12) is equal to the diameter dimension on the inside of fixed column (13), and fixed column (13) is in hollow structure, and solid Diameter dimension on the outside of fixed column (13) is equal to the diameter dimension on the inside of the first tube body (1).

5. according to claim 1 a kind of with explosion-proof indoor natural gas line automatic valve, it is characterised in that: described Sealing ring (14) is equidistantly provided with 2 on fixed column (13), and fixed column (13) about third fixed block (8) it is vertical in Axisymmetrical is provided with 2.