CN213656005U - Adapter joint for pressure measurement of small-caliber gas-liquid path - Google Patents

Abstract

The utility model discloses a small-bore gas-liquid way adapter coupling for pressure measurement, including advancing pipe, being responsible for, pressure measurement exit tube, backward flow exit tube and fixed block, be responsible for top one side and bottom one side and be connected with respectively and advance pipe and backward flow exit tube, be responsible for one end and be connected with the pressure measurement exit tube, be close to on pressure measurement exit tube and the backward flow exit tube and be responsible for one end and all be provided with the stop valve, advance the pipe and the backward flow exit tube outside all is connected with the pipe cup, advance pipe and backward flow exit tube tip inboard all is connected with spacing rotary groove, spacing rotary groove endotheca is equipped with annular inserted block and annular inserted block inboard and is connected with the rotating. This novel can conveniently select threaded connection or cup joint the method as required in a flexible way to connect when business turn over gas-liquid, can conveniently flow back the gas-liquid as required in the original gas-liquid way pipeline, sealed effect when gas-liquid way pipeline is connected is good, is fit for extensively using widely.

Description

Adapter joint for pressure measurement of small-caliber gas-liquid path

Technical Field

The utility model relates to a small-bore gas-liquid way detects technical field, in particular to small-bore gas-liquid way adapter joint for pressure measurement.

Background

In order to conveniently measure the pressure of the gas-liquid path in the small-caliber gas-liquid path, the adapter for measuring the pressure is very necessary.

Patent No. CN201710424437.1 discloses a transition joint for small-bore gas/liquid path pressure measurement, which includes a transition end, a joint end, and an intermediate portion, wherein the intermediate portion transitionally connects the transition end and the joint end; the roll-out end comprises an external thread section, and a sealing ring is arranged between the roll-out end and the non-standard working medium outlet when the roll-out end is assembled with the non-standard working medium outlet; the joint end comprises an external thread flaring section, the external thread of the joint end is matched with the outer sleeve nut, and the flaring of the joint end is matched with the spherical joint. The invention discloses a switching joint for measuring pressure of a small-caliber gas/liquid path, which can switch a non-standard working medium outlet aperture (needing to be processed with internal threads) into a standard flaring threaded joint form, thereby facilitating the connection of a pressure measuring sensor and being particularly suitable for a small-caliber gas/liquid path pressure measuring pipeline. Because this adapter joint designs the double-pass seal at adapter port department, and for the nonmetal sealing member of easily changing, consequently, have good reliable leakproofness and the characteristics of easily changing.

The adapter has the following disadvantages: 1. the connection can not be realized by flexibly selecting a threaded connection or a sleeving connection method according to the requirements when gas and liquid are fed in and out conveniently; 2. the gas and the liquid can not be conveniently refluxed into the original gas and liquid pipeline as required; 3. the sealing effect is not good when the gas-liquid pipeline is connected. Therefore, the adapter joint for measuring the pressure of the small-caliber gas-liquid path is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a small-bore gas-liquid way adapter joint for pressure measurement can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a small-bore gas-liquid way adapter coupling for pressure measurement, is including advancing the pipe, being responsible for, pressure measurement exit tube, backward flow exit tube and fixed block, be connected with into pipe and backward flow exit tube respectively on being responsible for top one side and bottom one side, it is connected with the pressure measurement exit tube to be responsible for one end, be close to on pressure measurement exit tube and the backward flow exit tube and be responsible for one end and all be provided with the stop valve, advance the pipe and backward flow exit tube outside and all be connected with the bell and spigot joint pipe, advance pipe and backward flow exit tube tip inboard and all be connected with spacing rotary groove, spacing rotary groove endotheca is equipped with annular insert and annular insert inboard and is connected with the rotating tube, rotating tube one end is located and advances the pipe and backward flow exit tube outside and end connection has the connecting pipe, the connecting pipe periphery is provided with first external screw.

Further, a second external thread is arranged on the periphery of the sleeve pipe, and an internal thread corresponding to the first external thread and the second external thread is arranged on the inner side of the fixing cap.

Furthermore, a hexagonal block is connected to the periphery of the rotating pipe.

Furthermore, the outer surface layers of the inlet pipe, the main pipe, the pressure measuring outlet pipe, the reflux outlet pipe and the fixed cover cap are all provided with a zinc-plated corrosion-resistant coating.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model relates to a small-bore gas-liquid way adapter coupling for pressure measurement, utilize the first external screw thread of connecting pipe outlying, can have on external gas-liquid when the pipeline that can threaded connection, in stretching into the pipeline in advance the connecting pipe, utilize outside spanner to rotate hexagonal piece, thereby can utilize first external screw thread and external pipeline to carry out threaded connection, when external pipeline does not possess the screw thread, personnel can take off fixed block from cup jointing, cup joint in the connecting pipe periphery, seal the connecting pipe, utilize the hose cup joint to connect in cup joint pipe top periphery, the other end cup joints on external pipeline, thereby the convenience is connected as required nimble threaded connection or the cup joint method of selecting when business turn over gas-liquid, flexibility when having promoted practicality and use greatly.

2. The utility model relates to a small-bore gas-liquid way adapter joint for pressure measurement, personnel can cut off or open pressure measurement exit tube and backward flow exit tube as required through the valve handle on the rotatory stop valve, and when the backward flow exit tube was opened and the pressure measurement exit tube was closed, the backward flow exit tube can with advance the same outside pipeline of union coupling to can flow the gas-liquid back as required in the original gas-liquid way pipeline, can not cause the waste of resource.

3. The utility model relates to a small-bore gas-liquid way adapter joint for pressure measurement, when the hexagon piece rotates for when connecting pipe and external pipeline carry out threaded connection, utilize spacing rotary groove to the limiting displacement of annular inserted block, can play the guide effect to the rotation of rotating-tube, utilize the ring packing in the annular inserted block outside, can fill annular inserted block outer wall and advance the pipe and return the gap between the exit tube inner wall, thereby promote the sealed effect when being connected with external pipeline greatly, prevent to leak.

Drawings

Fig. 1 is the utility model relates to a small-bore gas-liquid way adapter coupling's overall structure schematic diagram for pressure measurement.

Fig. 2 is the utility model relates to a small-bore gas-liquid way adapter coupling's fixed block structure sketch map for pressure measurement.

Fig. 3 is the utility model discloses a small-bore gas-liquid way adapter coupling's spacing groove and ring type seal connection structure sketch map for pressure measurement.

In the figure: 1. feeding a pipe; 2. a main pipe; 3. a pipe is discharged by pressure measurement; 4. a reflux outlet pipe; 5. rotating the tube; 6. hexagonal blocks; 7. a connecting pipe; 8. a first external thread; 9. sleeving a pipe; 10. A second external thread; 11. fixing the cap; 12. a stop valve; 13. an internal thread; 14. a limiting rotary groove; 15. an annular insert block; 16. an annular seal ring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a small-bore adapter for measuring pressure of a gas-liquid path comprises an inlet pipe 1, a main pipe 2, a pressure measuring outlet pipe 3, a backflow outlet pipe 4 and a fixing cap 11, wherein the inlet pipe 1 and the backflow outlet pipe 4 are respectively connected to one side of the top end and one side of the bottom end of the main pipe 2, one end of the main pipe 2 is connected to the pressure measuring outlet pipe 3, a stop valve 12 is respectively arranged at one end of the pressure measuring outlet pipe 3 and one end of the backflow outlet pipe 4, which are close to the main pipe 2, respectively, the outer sides of the inlet pipe 1 and the backflow outlet pipe 4 are connected to a sleeve pipe 9, the inner sides of the end portions of the inlet pipe 1 and the backflow outlet pipe 4 are connected to a limiting rotary groove 14, an annular insert block 15 is sleeved in the limiting rotary groove 14, the inner side of the annular insert block 15 is connected to a rotary pipe 5, an annular sealing ring 16 is fixed at one end of the limiting rotary groove 14 through glue, and the annular sealing ring 16 is located on the outer side of the annular insertion block 15.

Wherein, the periphery of the sleeve pipe 9 is provided with a second external thread 10, and the inner side of the fixed cap 11 is provided with an internal thread 13 corresponding to the first external thread 8 and the second external thread 10.

In this embodiment, as shown in fig. 1 and 2, the fixing cap 11 can be screwed and fixed to the end of the sleeve 9 or the connecting pipe 7 by using the internal thread 13 as required, so as to seal the sleeve 9 and the connecting pipe 7.

Wherein, the periphery of the rotating pipe 5 is connected with a hexagonal block 6.

In this embodiment, as shown in fig. 1, the hexagonal block 6 is used to facilitate a person to rotate the rotation pipe 5 with an external wrench.

The outer surface layers of the inlet pipe 1, the main pipe 2, the pressure measuring outlet pipe 3, the reflux outlet pipe 4 and the fixed cap 11 are provided with galvanized corrosion-resistant coatings.

In this embodiment, as shown in fig. 1, the galvanized corrosion-resistant coating enables the surfaces of the inlet pipe 1, the main pipe 2, the pressure measurement outlet pipe 3, the backflow outlet pipe 4 and the fixing cap 11 to have good corrosion-resistant effects, and the service life of the fixing cap is prolonged.

It should be noted that the utility model relates to a small-bore gas-liquid path adapter for pressure measurement, during operation, when the first external thread 8 at the periphery of the connecting pipe 7 is used, the connecting pipe 7 can be pre-extended into the pipeline when the pipeline capable of being connected by screw thread is arranged on the external gas-liquid, the hexagonal block 6 is rotated by an external wrench, thereby the first external thread 8 can be used for being connected with the external pipeline by screw thread, when the external pipeline has no screw thread, a person can take the fixing cap 11 off the sleeve pipe 9, the fixing cap is sleeved on the periphery of the connecting pipe 7, the connecting pipe 7 is sealed, the hose is sleeved on the periphery of the top end of the sleeve pipe 9, the other end is sleeved on the external pipeline, thereby the flexible selection of screw thread connection or sleeve connection method is convenient to connect when the gas-liquid enters or exits according to the needs, the practicability and the flexibility when in use are greatly improved, the pressure measuring outlet pipe 3 and the backflow outlet pipe 4 can be cut off or opened according to needs, when the pressure measuring outlet pipe 3 is opened and the backflow outlet pipe 4 is closed, a probe of pressure measuring equipment is pre-arranged on the inner side of the pressure measuring outlet pipe 3, so that the pressure of gas and liquid passing through the pressure measuring outlet pipe 3 can be detected, when the backflow outlet pipe 4 is opened and the pressure measuring outlet pipe 3 is closed, the backflow outlet pipe 4 can be connected with the inlet pipe 1 through the same external pipeline, so that the gas and liquid can flow back into the original gas and liquid pipeline according to needs, the waste of resources can not be caused, when the hexagonal block 6 rotates, the connecting pipe 7 is in threaded connection with the external pipeline, the limiting rotary groove 14 is utilized to limit the annular insertion block 15, the guiding effect can be achieved on the rotation of the rotary pipe 5, the annular sealing ring 16 on the outer side of the annular insertion block 15 is utilized to fill the gap between the outer wall of the annular, thereby promote the sealed effect when being connected with the outside pipeline greatly, prevent to leak.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a small-bore gas-liquid way adapter coupling for pressure measurement, includes into pipe (1), is responsible for (2), pressure measurement exit tube (3), backflow exit tube (4) and fixed block cap (11), its characterized in that: the pipe is characterized in that an inlet pipe (1) and a backflow outlet pipe (4) are respectively connected to one side of the top end and one side of the bottom end of a main pipe (2), one end of the main pipe (2) is connected with a pressure measuring outlet pipe (3), stop valves (12) are respectively arranged at the ends, close to the main pipe (2), of the pressure measuring outlet pipe (3) and the backflow outlet pipe (4), the outer sides of the inlet pipe (1) and the backflow outlet pipe (4) are respectively connected with a sleeve pipe (9), the inner sides of the end parts of the inlet pipe (1) and the backflow outlet pipe (4) are respectively connected with a limiting rotary groove (14), an annular insert block (15) is sleeved in the limiting rotary groove (14), the inner side of the annular insert block (15) is connected with a rotary pipe (5), one end of the rotary pipe (5) is positioned at the outer sides of the inlet pipe (1) and the backflow outlet pipe (4), the end part of the rotary pipe is connected with a connecting, the annular sealing ring (16) is positioned on the outer side of the annular insert block (15).

2. The adapter coupling for measuring the pressure of the small-caliber gas-liquid path according to claim 1, wherein: the periphery of the sleeve pipe (9) is provided with a second external thread (10), and the inner side of the fixed cap (11) is provided with an internal thread (13) corresponding to the first external thread (8) and the second external thread (10).

3. The adapter coupling for measuring the pressure of the small-caliber gas-liquid path according to claim 1, wherein: the periphery of the rotating pipe (5) is connected with a hexagonal block (6).

4. The adapter coupling for measuring the pressure of the small-caliber gas-liquid path according to claim 1, wherein: the outer surface layers of the inlet pipe (1), the main pipe (2), the pressure measuring outlet pipe (3), the backflow outlet pipe (4) and the fixed cap (11) are all provided with galvanized corrosion-resistant coatings.

Images