High-pressure pressure gauge buffer

Abstract

The utility model relates to the technical field of petroleum machinery, and discloses a high pressure gauge buffer, which comprises a body, the left end of the body is fixedly connected with an upper joint, the right end of the body is fixedly connected with a lower joint, the left end and the right end of the body are respectively provided with a sealing head, and two guide pipes are arranged between the two sealing heads. A plurality of protrusions are arranged on the inner wall of each guide pipe. According to the high-pressure pressure gauge buffer, internal double conduits are adopted, stable flowing is achieved through liquid circulation flowing, the multiple protrusions in the conduits can buffer the liquid, the pressure is further reduced, the effect of guaranteeing safe work of a pressure gauge is remarkably improved, the structure is simple, operation is convenient, use is convenient and fast, and practicability is high. The oil liquid can be filtered through the arranged filter screen, so that impurities in the oil liquid are removed, the guide pipe is prevented from being blocked by the impurities, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of petroleum machinery, in particular to a high-pressure pressure gauge buffer. Background Art

[0002] Generally, a pressure gauge is installed on the oil pressure system. The function of the pressure gauge is to detect and display the oil pressure in the oil pressure pipeline. In order for the pressure gauge to operate normally and correctly, the oil in the pipeline must be introduced into the oil pressure gauge.

[0003] At present, wellhead devices at home and abroad are generally directly connected to pressure gauges, which will cause excessive pressure and thus damage the pressure gauge; safety is not guaranteed and certain economic losses will also occur. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides a high-pressure pressure gauge buffer. The utility model has the advantage that the oil in the pipeline can enter and exit the buffer in the form of a small flow rate, thereby achieving the effect of protecting the pressure gauge, which is safe, reliable, economical and practical.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-pressure pressure gauge buffer, comprising a main body, the left end of the main body is fixedly connected to an upper joint, the right end of the main body is fixedly connected to a lower joint, the left and right ends of the main body are respectively provided with sealing heads, two conduits are provided between the two sealing heads, and the inner wall of each of the conduits is provided with a plurality of protrusions, each of the sealing heads is provided with a second sealing ring and two first sealing rings, an internal double conduit is adopted, and liquid circulates to achieve smooth flow, and the multiple protrusions in the conduit can buffer the liquid, further smooth the pressure, and ensure that the effect of protecting the safe operation of the pressure gauge is significantly enhanced, the structure is simple, easy to operate, and convenient and quick to use.

[0008] Preferably, cavities are opened at both ends of the left and right sides of the body, the two sealing heads are relatively arranged in the cavities at the left and right ends of the body, a cavity is opened in the middle part of the body, the two conduits are arranged in the cavity in the middle part of the body, and small-hole pressure pipes are used inside to form a pressure circuit to avoid excessive instantaneous pressure.

[0009] Preferably, the two first sealing rings on the left side are arranged between the upper joint and the sealing head on the left side, the two first sealing rings on the right side are arranged between the lower joint and the sealing head on the right side, and the two second sealing rings are respectively arranged on the outer walls of the two sealing heads, and the first sealing ring and the second sealing ring are both "O"-shaped and made of rubber material, and adopt upper and lower double sealing rubber seals to make the sealing effect more reliable and stable.

[0010] Preferably, the main body, the upper joint, the lower joint, the sealing head and the conduit are connected to each other.

[0011] Preferably, an installation groove is provided on the inner wall of the lower joint and is located on the right side of the sealing head. A mounting ring is fixedly installed on the inner wall of the mounting groove. A filter net is fixedly connected to the inner wall of the mounting ring. The oil can be filtered by the filter net to remove impurities in the oil, thereby preventing impurities from clogging the conduit and improving practicality.

[0012] Preferably, the two conduits are fixed to the two sealing heads by brazing, the left side of the upper joint is connected to a pressure gauge, and the right side of the lower joint is connected to a stop valve.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a high-pressure pressure gauge buffer having the following

[0015] Beneficial effects:

[0016] 1. This high-pressure pressure gauge buffer adopts an internal double conduit to achieve smooth flow through liquid circulation, and the multiple protrusions in the conduit can buffer the liquid, further alleviate the pressure, and ensure that the effect of protecting the safe operation of the pressure gauge is significantly enhanced. It has a simple structure, is easy to operate, and is convenient and quick to use.

[0017] 2. The high-pressure pressure gauge buffer can filter the oil through the provided filter net, thereby removing impurities in the oil, avoiding clogging of the conduit by the impurities, and improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 It is a front cross-sectional view of the utility model;

[0021] Figure 3 for Figure 2 Enlarged view of point A.

[0022] In the figure: 1, main body; 2, upper joint; 3, lower joint; 4, sealing head; 5, conduit; 6, first sealing ring; 7, second sealing ring; 8, mounting ring; 9, filter screen. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Example 1

[0025] like Figure 1-3 As shown, the utility model provides a high-pressure pressure gauge buffer, including a body 1, an upper joint 2 is fixedly connected to the left end of the body 1, the left side of the upper joint 2 is connected to the pressure gauge, a lower joint 3 is fixedly connected to the right end of the body 1, and the right side of the lower joint 3 is connected to the stop valve, and sealing heads 4 are respectively provided at the left and right ends of the body 1, and cavities are opened at the left and right ends of the body 1, and two sealing heads 4 are relatively arranged in the cavities at the left and right ends of the body 1, and two conduits 5 are arranged between the two sealing heads 4, and the inner wall of each conduit 5 is provided with a plurality of protrusions, a cavity is opened in the middle part of the body 1, and two conduits 5 are arranged in the cavity in the middle part of the body 1, and the two conduits 5 are fixed to the two sealing heads 4 by brazing, and a small-hole pressure pipe fitting is used inside to form a pressure circuit to avoid excessive instantaneous pressure, and each sealing head 4 is provided with a first Two sealing rings 7 and two first sealing rings 6, the two first sealing rings 6 on the left are arranged between the upper joint 2 and the sealing head 4 on the left, the two first sealing rings 6 on the right are arranged between the lower joint 3 and the sealing head 4 on the right, and the two second sealing rings 7 are respectively arranged on the outer walls of the two sealing heads 4, the first sealing ring 6 and the second sealing ring 7 are both "O"-shaped and made of rubber material, and adopt upper and lower double sealing rubber seals to make the sealing effect more reliable and stable, the main body 1, the upper joint 2, the lower joint 3, the sealing head 4, and the conduit 5 are connected, and an internal double conduit 5 is adopted to achieve smooth flow through liquid circulation, and the multiple protrusions in the conduit 5 can buffer the liquid, further alleviate the pressure, and ensure that the effect of protecting the safe operation of the pressure gauge is significantly enhanced, the structure is simple, easy to operate, and convenient and quick to use.

[0026] In this embodiment, an internal double conduit 5 is used to achieve smooth flow through liquid circulation, and the multiple protrusions in the conduit 5 can buffer the liquid, further alleviate the pressure, and ensure that the effect of protecting the safe operation of the pressure gauge is significantly enhanced. The structure is simple, easy to operate, and quick and easy to use.

[0027] Example 2

[0028] like Figure 1-3 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a mounting groove is provided on the inner wall of the lower joint 3 and is located on the right side of the sealing head 4, a mounting ring 8 is fixedly installed on the inner wall of the mounting groove, and a filter screen 9 is fixedly connected to the inner wall of the mounting ring 8, and the oil can be filtered by the filter screen 9 to remove impurities in the oil, thereby preventing impurities from clogging the conduit 5 and improving practicality.

[0029] In this embodiment, the filter screen 9 is provided to filter the oil, thereby removing impurities in the oil, preventing the impurities from clogging the conduit 5, and improving practicality.

[0030] The following is a detailed description of the working principle of this high-pressure pressure gauge buffer.

[0031] like Figure 1-3 As shown, when in use, the device is installed between the pressure gauge and the stop valve, and the fluid circulates through the double conduits 5 to flow to the pressure gauge in a balanced and stable state, achieving a smooth transition safely and effectively without causing damage to the pressure gauge due to excessive pressure. The filter net 9 provided can filter the oil to remove impurities in the oil, thereby preventing impurities from clogging the conduit 5, thereby improving practicality.

Claims

1. A high-pressure pressure gauge buffer, comprising a body (1), characterized in that: The left end of the body (1) is fixedly connected to an upper joint (2), the right end of the body (1) is fixedly connected to a lower joint (3), the left and right ends of the body (1) are respectively provided with sealing heads (4), two conduits (5) are provided between the two sealing heads (4), and the inner wall of each conduit (5) is provided with a plurality of protrusions, and each sealing head (4) is provided with a second sealing ring (7) and two first sealing rings (6).

2. A high pressure gauge buffer according to claim 1, characterized in that: The left and right ends of the body (1) are provided with cavities, the two sealing heads (4) are arranged in the cavities at the left and right ends of the body (1) relative to each other, the middle part of the body (1) is provided with a cavity, and the two conduits (5) are arranged in the cavity in the middle part of the body (1).

3. A high pressure gauge buffer according to claim 1, characterized in that: The two first sealing rings (6) on the left side are arranged between the upper joint (2) and the sealing head (4) on the left side, the two first sealing rings (6) on the right side are arranged between the lower joint (3) and the sealing head (4) on the right side, and the two second sealing rings (7) are respectively arranged on the outer walls of the two sealing heads (4).

4. A high pressure gauge buffer according to claim 1, characterized in that: The body (1), the upper joint (2), the lower joint (3), the sealing head (4), and the conduit (5) are connected to each other.

5. A high pressure gauge buffer according to claim 1, characterized in that: The inner wall of the lower joint (3) is provided with a mounting groove, which is located on the right side of the sealing head (4); a mounting ring (8) is fixedly mounted on the inner wall of the mounting groove; and a filter screen (9) is fixedly connected to the inner wall of the mounting ring (8).

6. A high pressure gauge buffer according to claim 1, characterized in that: The two conduits (5) and the two sealing heads (4) are fixed by brazing, the left side of the upper joint (2) is connected to a pressure gauge, and the right side of the lower joint (3) is connected to a stop valve.

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