Portable pressure gauge capable of rapidly measuring output pressure for pressure regulator

Abstract

The utility model discloses a portable pressure gauge capable of rapidly measuring output pressure for a pressure regulator, which comprises a pressure gauge plate and a connecting nut connected with the pressure gauge plate, the end part of the connecting nut far away from the pressure gauge plate is provided with a connecting interface, and the connecting nut is connected with a pressure measuring air outlet. According to the invention, the output pressure of the gas outlet of the bottled liquefied petroleum gas pressure regulator connected with the connecting interface can be measured through the pressure dial plate. Meanwhile, the output pressure and the closing pressure of the gas outlet of the bottled liquefied petroleum gas pressure regulator can be quickly measured through the opening and closing control of the pressure measuring gas outlet; the complicated pressure measuring process of high cost and low efficiency of measuring the output pressure and the closing pressure of the gas outlet of the bottled liquefied petroleum gas pressure regulator by a fixed special pressure measuring instrument in the prior art is changed, and the working efficiency and the pressure measuring convenience are greatly improved.

Description

Technical Field

[0001] The utility model relates to a portable pressure gauge which can quickly measure the output pressure of a pressure regulator. Background Art

[0002] The traditional method of measuring the output pressure and closing pressure of the bottled liquefied petroleum gas pressure regulator is generally to measure the output pressure and closing pressure of the gas outlet in a special laboratory or a special fixed pressure test bench with an air compressor. The fixed bench-type measuring special measuring instrument and tooling are used to connect the external gas pressure as the input pressure to measure the output pressure and closing pressure of the bottled liquefied petroleum gas pressure regulator. The measuring equipment cannot be moved, and a special gas supply system and special pressure measuring instruments and tooling must be equipped. The detection efficiency is low, the process is cumbersome, and it is impossible to measure the pressure of the liquefied petroleum gas pressure regulator used by the user on site. Utility Model Content

[0003] The main purpose of the utility model is to provide a portable pressure gauge which can quickly measure the output pressure of a pressure regulator, aiming to solve the above technical problems.

[0004] To achieve the above-mentioned purpose, the utility model proposes a portable pressure gauge for quickly measuring the output pressure of a pressure regulator, including a pressure gauge dial and a connecting nut connected to the pressure gauge dial, a connecting interface is provided at the end of the connecting nut away from the pressure gauge dial, and a pressure measuring outlet is connected to the connecting nut and can be communicated with the inner cavity of the connecting nut.

[0005] In one embodiment, the pressure measuring outlet includes a first connecting tube and a second connecting tube, the two ends of the second connecting tube are respectively a first connecting part and a second connecting part, the first connecting part is connected to the connecting nut, the second connecting part is connected to the connecting interface, and the first connecting tube is connected to the middle part of the second connecting tube.

[0006] In one embodiment, a third connecting portion is provided on the pressure gauge dial, and the first connecting portion and the third connecting portion are connected.

[0007] In one embodiment, the outer end surface of the third connecting portion is provided with a first external thread, and the inner end surface of the first connecting portion is provided with a first internal thread that can be threadably matched with the first external thread.

[0008] In one embodiment, the inner end surface of the connection interface is provided with a second internal thread, and the outer end surface of the second connection portion is provided with a second external thread that can be threadably matched with the second internal thread.

[0009] In one embodiment, the portable pressure gauge capable of quickly measuring the output pressure of the pressure regulator further comprises a connecting piece, wherein a first end of the connecting piece is connected to the second connecting portion, and a second end of the connecting piece is connected to the connecting interface.

[0010] In one embodiment, the inner end surface of the first end of the connecting member is provided with a third internal thread, and the third internal thread can be matched and connected with the second external thread.

[0011] In one embodiment, the outer end surface of the second end of the connecting member is provided with a third external thread, and the third external thread can be matched and connected with the second internal thread.

[0012] In one embodiment, a ball valve is provided inside the first connecting pipe, and a switching handle connected to the ball valve is provided outside the first connecting pipe.

[0013] In the technical solution of the utility model, a portable pressure gauge that can quickly measure the output pressure of the pressure regulator includes a pressure gauge plate and a connecting nut connected to the pressure gauge plate and connectable to the air outlet of the pressure regulator, wherein the end of the connecting nut away from the pressure gauge plate is provided with a connecting interface, and the connecting nut is connected to the pressure measuring air outlet. Therefore, in the technical solution, the output pressure of the air outlet of the bottled liquefied petroleum gas pressure regulator connected to the connecting interface can be measured by the pressure gauge plate. At the same time, the output pressure and the closing pressure of the air outlet of the bottled liquefied petroleum gas pressure regulator can be quickly measured by the switch control of the pressure measuring air outlet, which changes the original cumbersome pressure measuring process of measuring the output pressure and the closing pressure of the air outlet of the bottled liquefied petroleum gas pressure regulator, which relies on a fixed special pressure measuring instrument with high cost and low efficiency, and greatly improves the work efficiency and the convenience of pressure measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0015] Figure 1 This is a schematic diagram of the structure of a portable pressure gauge capable of quickly measuring the output pressure of a pressure regulator according to an embodiment of the utility model;

[0016] Figure 2 This is a cross-sectional view of a portable pressure gauge for quickly measuring the output pressure of a pressure regulator according to an embodiment of the utility model.

[0017] Explanation of the accompanying drawings: 10, pressure gauge; 11, third connecting part; 20, connecting nut; 30, connecting interface; 40, pressure measuring outlet; 41, first connecting pipe; 42, second connecting pipe; 43, switching handle; 50, connecting piece.

[0018] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0021] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0022] Furthermore, the technical solutions of the various embodiments of the present invention may be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in the field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0023] The utility model provides a portable pressure gauge which can quickly measure the output pressure of a pressure regulator.

[0024] like Figure 1-2 As shown, the portable pressure gauge provided by the embodiment of the utility model for quickly measuring the output pressure of the pressure regulator includes a pressure gauge dial 10 and a connecting nut 20 connected to the pressure gauge dial 10 and connectable to the air outlet of the pressure regulator, a connecting interface 30 is provided at the end of the connecting nut away from the pressure gauge dial 10, and a pressure measuring air outlet 40 is connected to the connecting nut 20.

[0025] In this embodiment, the portable pressure gauge includes a pressure gauge plate 10 and a connecting nut 20 connected to the pressure gauge plate 10 and connectable to the outlet of the pressure regulator. The end of the connecting nut away from the pressure gauge plate 10 is provided with a connecting interface 30, and the connecting nut 20 is connected to the pressure measuring outlet. Therefore, in this technical solution, it is convenient for testers to carry the pressure gauge according to actual use needs, and no fixed measuring equipment is used for measurement. Instead, the pressure of the liquefied gas and petroleum gas pressure regulator on site can be measured by carrying the pressure gauge, which improves convenience.

[0026] The pressure measuring outlet 40 includes a first connecting tube 41 and a second connecting tube 42, the two ends of the second connecting tube 42 are respectively a first connecting part and a second connecting part, the first connecting part is connected to the connecting nut 20, the second connecting part is connected to the connecting interface 30, and the first connecting tube 41 is connected to the middle of the second connecting tube 42. It is characterized in that a third connecting part 11 is provided on the pressure gauge plate 10, and the first connecting part is connected to the third connecting part 11. In this embodiment, the third connecting part 11, the pressure measuring outlet 40 and the connecting nut 20 are connected to achieve the purpose of both quickly measuring the output pressure and regulating the pressure through the pressure measuring outlet 40.

[0027] Specifically, the outer end surface of the third connection part 11 is provided with a first external thread, and the inner end surface of the first connection part is provided with a first internal thread that can be threadedly matched with the first external thread. The inner end surface of the connection interface 30 is provided with a second internal thread, and the outer end surface of the second connection part is provided with a second external thread that can be threadedly matched with the second internal thread. In this embodiment, the second internal thread and the second external thread can cooperate with each other to reduce the number of parts.

[0028] However, in some embodiments, in order to solve the problem of the second internal thread and the second external thread not matching, a connector 50 may be provided so that the first end of the connector 50 is connected to the second connection portion, and the second end of the connector 50 is connected to the connection interface 30. The inner end surface of the first end of the connector 50 is provided with a third internal thread, and the third internal thread can be matched and connected with the second external thread. The outer end surface of the second end of the connector 50 is provided with a third external thread, and the third external thread can be matched and connected with the second internal thread. In other words, the problem of the second internal thread and the second external thread not matching can be solved by the connector 50. Generally, the connector 50, as a consumable part, has a variety of different models.

[0029] In the above embodiment, a ball valve is provided inside the first connecting pipe 41, and a switching handle 43 connected to the ball valve is provided outside the first connecting pipe 41. In this embodiment, the ball valve can be rotated by the switching handle 43 to achieve the purpose of conduction and blocking.

[0030] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the concept of the utility model, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A portable pressure gauge for quickly measuring the output pressure of a pressure regulator, characterized in that: The portable pressure gauge capable of quickly measuring the output pressure of a pressure regulator comprises a pressure gauge plate (10) and a connecting nut (20) connected to the pressure gauge plate (10) and capable of being connected to an air outlet of the pressure regulator, wherein a connecting interface (30) is provided at an end of the connecting nut away from the pressure gauge plate (10), and a pressure measuring air outlet is connected to the connecting nut (20).

2. The portable pressure gauge for quickly measuring the output pressure of a pressure regulator according to claim 1, characterized in that: The pressure measuring air outlet (40) comprises a first connecting pipe (41) and a second connecting pipe (42), the two ends of the second connecting pipe (42) are respectively a first connecting portion and a second connecting portion, the first connecting portion is connected to the connecting nut (20), the second connecting portion is connected to the connecting interface (30), and the first connecting pipe (41) is connected to the middle of the second connecting pipe (42).

3. The portable pressure gauge for quickly measuring the output pressure of a pressure regulator according to claim 2, characterized in that: The pressure gauge plate (10) is provided with a third connecting portion (11), and the first connecting portion and the third connecting portion (11) are connected.

4. The portable pressure gauge for quickly measuring the output pressure of a pressure regulator according to claim 3, characterized in that: The outer end surface of the third connecting portion (11) is provided with a first external thread, and the inner end surface of the first connecting portion is provided with a first internal thread that can be threadably matched with the first external thread.

5. The portable pressure gauge capable of quickly measuring the output pressure of a pressure regulator according to claim 3, characterized in that: The inner end surface of the connection interface (30) is provided with a second internal thread, and the outer end surface of the second connection portion is provided with a second external thread that can be threadably matched with the second internal thread.

6. The portable pressure gauge for quickly measuring the output pressure of a pressure regulator according to claim 5, characterized in that: The portable pressure gauge capable of quickly measuring the output pressure of the pressure regulator further comprises a connecting piece (50), wherein a first end of the connecting piece (50) is connected to the second connecting portion, and a second end of the connecting piece (50) is connected to the connecting interface (30).

7. The portable pressure gauge for quickly measuring the output pressure of a pressure regulator according to claim 6, characterized in that: The inner end surface of the first end of the connecting member (50) is provided with a third internal thread, and the third internal thread can be matched and connected with the second external thread.

8. The portable pressure gauge for quickly measuring the output pressure of a pressure regulator according to claim 7, characterized in that: The outer end surface of the second end of the connecting member (50) is provided with a third external thread, and the third external thread can be matched and connected with the second internal thread.

9. The portable pressure gauge capable of quickly measuring the output pressure of a pressure regulator according to claim 2, characterized in that: A ball valve is provided inside the first connecting pipe (41), and a switching handle (43) connected to the ball valve is provided outside the first connecting pipe (41).

Images