CN215811383U

CN215811383U - Adjustable pressure gauge joint

Info

Publication number: CN215811383U
Application number: CN202121911948.4U
Authority: CN
Inventors: 王玉虎
Original assignee: Yancheng Shengxinyuan Machinery Parts Manufacturing Co ltd
Current assignee: Yancheng Shengxinyuan Machinery Parts Manufacturing Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-02-11
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses an adjustable pressure gauge joint which comprises a first nut, wherein a first connecting pipe is arranged at the top end of the first nut, a second nut is sleeved on the outer side of the first connecting pipe, a second connecting pipe is sleeved on the inner side of the second nut, a third nut is arranged at the top end of the second connecting pipe, a third connecting pipe is sleeved on the inner side of the third nut, a fourth nut is arranged on the outer side of the third connecting pipe, a pressure gauge is arranged at the top end of the third connecting pipe, a plug is arranged at the bottom end of the second connecting pipe, a first sealing ring is sleeved on the outer side of the plug, a second sealing ring is sleeved on the inner side of the second nut, threads are arranged on the outer side of the first connecting pipe, the first connecting pipe and the second nut are meshed through threads, threads are arranged on the outer side of the third connecting pipe, and the third connecting pipe and the third nut are meshed through threads. This kind of pressure gauge joint with adjustable, simple structure is reasonable, the modern design, easy operation is convenient, can effectively adjust the manometer angle, makes things convenient for the staff to observe, and the leakproofness is higher, has higher practical value.

Description

Adjustable pressure gauge joint

Technical Field

The utility model relates to the technical field of pressure gauge connectors, in particular to an adjustable pressure gauge connector.

Background

The pressure gauge is a meter which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the ambient pressure, is very commonly applied and almost extends to all the fields of industrial processes and scientific researches. The method is widely available in the fields of heating power pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance plants and shops and the like. Especially in industrial process control and technical measurement process, because the elasticity sensing element of mechanical type manometer has characteristics such as very high mechanical strength and convenient production for mechanical type manometer obtains more and more extensive application, present manometer is after the installation, and unable angle regulation, inconvenient staff observes, and the leakproofness is relatively poor, influences the user and uses. Therefore, the pressure gauge joint is improved, and the adjustable pressure gauge joint is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to an adjustable pressure gauge joint which comprises a first nut, wherein a first connecting pipe is arranged at the top end of the first nut, a second nut is sleeved on the outer side of the first connecting pipe, a second connecting pipe is sleeved on the inner side of the second nut, a third nut is arranged at the top end of the second connecting pipe, a third connecting pipe is sleeved on the inner side of the third nut, a fourth nut is arranged on the outer side of the third connecting pipe, a pressure gauge is arranged at the top end of the third connecting pipe, a plug is arranged at the bottom end of the second connecting pipe, a first sealing ring is sleeved on the outer side of the plug, and a second sealing ring is sleeved on the inner side of the second nut.

As a preferable technical solution of the present invention, the first connecting pipe is provided with a thread on an outer side thereof, and the first connecting pipe and the second nut are engaged with each other by the thread.

As a preferable technical solution of the present invention, the third connection pipe is provided with a thread on an outer side thereof, and the third connection pipe and the third nut are engaged with each other by the thread.

As a preferable technical scheme of the utility model, the top end and the bottom end of the plug are both conical, and the size of the top end of the plug is slightly smaller than that of the bottom end of the plug.

As a preferred technical solution of the present invention, the bottom end of the plug is connected to the inside of the first connecting pipe in a snap-fit manner, and the top end of the plug is connected to the top end of the inside of the second nut in a snap-fit manner.

According to a preferable technical scheme of the utility model, the first sealing ring and the second sealing ring are both O-shaped rings, and the O-shaped rings are made of fluorine rubber.

As a preferred technical solution of the present invention, the second nut, the second connecting tube, the third nut and the plug are all made of stainless steel.

As a preferable technical scheme of the utility model, chromium coatings are arranged on the surface of the second nut, the surface of the second connecting pipe, the surface of the third nut and the surface of the plug, and the thickness of each chromium coating is 1-2 mu m.

The utility model has the beneficial effects that:

1. according to the adjustable pressure gauge connector, the top end and the bottom end of the plug are conical, so that the plug can be conveniently inserted into the first connecting pipe, the bottom end of the plug is clamped and connected with the inside of the first connecting pipe, the connection tightness is improved, and meanwhile, the pressure gauge can rotate, so that a worker can conveniently observe the pressure gauge;

2. according to the adjustable pressure gauge joint, the first sealing ring and the second sealing ring are both O-shaped rings, so that the connection tightness is increased, and the leakage is avoided; the pressure gauge angle adjusting device is simple and reasonable in structure, novel in design, simple and convenient to operate, capable of effectively adjusting the angle of the pressure gauge, convenient for workers to observe, high in sealing performance and high in practical value.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a perspective view of an adjustable pressure tap of the present invention;

FIG. 2 is a disassembled perspective view of a third nut of an adjustable pressure tap of the present invention;

FIG. 3 is a disassembled perspective view of a second connection tube of an adjustable pressure tap according to the present invention.

In the figure: 1. a first nut; 2. a first connecting pipe; 3. a second nut; 4. a second connecting pipe; 5. a third nut; 6. a third connecting pipe; 7. a fourth nut; 8. a pressure gauge; 9. a plug; 10. a first seal ring; 11. and a second seal ring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-3, the adjustable pressure gauge joint of the present invention comprises a first nut 1, a first connecting pipe 2 is disposed at the top end of the first nut 1, a second nut 3 is sleeved outside the first connecting pipe 2, a second connecting pipe 4 is sleeved inside the second nut 3, a third nut 5 is disposed at the top end of the second connecting pipe 4, a third connecting pipe 6 is sleeved inside the third nut 5, a fourth nut 7 is disposed outside the third connecting pipe 6, a pressure gauge 8 is disposed at the top end of the third connecting pipe 6, a plug 9 is disposed at the bottom end of the second connecting pipe 4, a first sealing ring 10 is sleeved outside the plug 9, and a second sealing ring 11 is sleeved inside the second nut 3.

Wherein, the outside of first connecting pipe 2 is equipped with the screw thread, and first connecting pipe 2 and second nut 3 pass through the thread engagement, are equipped with the screw thread through the outside of first connecting pipe 2, make things convenient for first connecting pipe 2 and second nut 3 to connect.

Wherein, the outside of third connecting pipe 6 is equipped with the screw thread, and third connecting pipe 6 and third nut 5 are through thread engagement, are equipped with the screw thread through the outside of third connecting pipe 6, make things convenient for third connecting pipe 6 and third nut 5 to connect.

Wherein, 9 tops of plugs and bottom are the taper shape, and 9 top sizes of plugs slightly are lighter than 9 bottom sizes of plugs, are the taper shape through 9 tops of plugs and bottom, make things convenient for plug 9 to insert first connecting pipe 2.

Wherein, the 9 bottoms of plug are connected with the inside block of first connecting pipe 2, and the 9 tops of plug are connected with the inside top block of second nut 3, are connected with the inside block of first connecting pipe 2 through the 9 bottoms of plug, increase and connect the compactness, make simultaneously manometer 8 rotatable, make things convenient for the staff to observe.

Wherein, first sealing washer 10 and second sealing washer 11 are O type circle, and the material of O type circle is the fluorine glue, is O type circle through first sealing washer 10 and second sealing washer 11, increases to connect the tightness, avoids the condition of leaking to take place.

Wherein, second nut 3, second connecting pipe 4, third nut 5 and plug 9 are stainless steel, are stainless steel through second nut 3, second connecting pipe 4, third nut 5 and plug 9, make it have the characteristics that intensity is high and corrosion resistance is good, improve product life.

Chromium coatings are arranged on the surfaces of the second nut 3, the second connecting pipe 4, the third nut 5 and the plug 9, the thickness of each chromium coating is 1-2 microns, and the chromium coatings are arranged on the surfaces of the second nut 3, the second connecting pipe 4, the third nut 5 and the plug 9, so that an extremely thin passivation film is formed on the surfaces of the second nut, the second connecting pipe 4, the third nut and the plug, and the wear resistance of the product is improved.

The working principle is as follows: before using the product, the integrity of each part is checked, the product is installed after the product is confirmed to be correct, the third connecting pipe 6 at the bottom end of the pressure gauge 8 is meshed with the third nut 5 through threads, the plug 9 is inserted into the first connecting pipe 2, the second nut 3 is screwed by a spanner to tightly engage the second nut 3 with the first connecting pipe 2, the bottom end of the plug 9 is clamped and connected with the inside of the first connecting pipe 2 to increase the connection tightness, meanwhile, the pressure gauge 8 can rotate, so that the observation of workers is facilitated, the first sealing ring 10 and the second sealing ring 11 are O-shaped rings, the connection tightness is increased, the leakage is avoided, this kind of pressure gauge joint with adjustable, simple structure is reasonable, the modern design, easy operation is convenient, can effectively adjust the manometer angle, makes things convenient for the staff to observe, and the leakproofness is higher, has higher practical value.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pressure gauge joint with adjustable, includes first nut (1), its characterized in that, first nut (1) top is equipped with first connecting pipe (2), first connecting pipe (2) outside cover is equipped with second nut (3), the inboard cover of second nut (3) is equipped with second connecting pipe (4), second connecting pipe (4) top is equipped with third nut (5), the inboard cover of third nut (5) is equipped with third connecting pipe (6), the third connecting pipe (6) outside is equipped with fourth nut (7), third connecting pipe (6) top is equipped with manometer (8), second connecting pipe (4) bottom is equipped with plug (9), plug (9) outside cover is equipped with first sealing washer (10), the inboard cover of second nut (3) is equipped with second sealing washer (11).

2. An adjustable pressure tap according to claim 1, characterised in that the first connecting pipe (2) is provided with a thread on the outside, and the first connecting pipe (2) and the second nut (3) are engaged by the thread.

3. The adjustable pressure tap according to claim 1, wherein the third connecting tube (6) is threaded on the outside, and the third connecting tube (6) and the third nut (5) are engaged by the threads.

4. The adjustable pressure tap of claim 1, wherein the top end and the bottom end of the tap (9) are conical, and the size of the top end of the tap (9) is slightly smaller than that of the bottom end of the tap (9).

5. The adjustable pressure tap according to claim 1, wherein the bottom end of the plug (9) is connected with the inside of the first connecting pipe (2) in a clamping manner, and the top end of the plug (9) is connected with the top end of the inside of the second nut (3) in a clamping manner.

6. The adjustable pressure gauge connector according to claim 1, wherein the first sealing ring (10) and the second sealing ring (11) are both O-rings, and the O-rings are made of fluorine glue.

7. The adjustable pressure tap according to claim 1, wherein the second nut (3), the second connecting tube (4), the third nut (5) and the plug (9) are made of stainless steel.

8. The adjustable pressure gauge connector according to claim 1, wherein the second nut (3), the second connecting pipe (4), the third nut (5) and the plug (9) are provided with chromium coatings, and the thickness of the chromium coatings is 1-2 μm.