Quickly-detached pressure gauge connector

Abstract

The utility model discloses a pressure gauge connector capable of being disassembled quickly, which comprises an installation connector, a pressure gauge body is arranged above the installation connector, a pressure gauge end part is fixedly installed below the pressure gauge body, the lower end of the pressure gauge end part is inserted into the installation connector, an arc-shaped ring groove is arranged on the outer side of the pressure gauge end part, and the arc-shaped ring groove is fixedly connected with the installation connector. An arc-shaped annular groove is formed in the outer side of the mounting connector, a plurality of through holes are formed in the outer side of the mounting connector and annularly distributed, marbles are arranged in the through holes and placed in the arc-shaped annular groove, a ring sleeve is arranged on the outer side of the mounting connector, a trapezoidal annular groove is formed in the inner side of the ring sleeve, and the marbles are placed in the upper portion of the interior of the trapezoidal annular groove. According to the utility model, the capability of quickly disassembling the pressure gauge is realized, and the practicability is increased, so that the problems that the disassembly and assembly of the pressure gauge during replacement or inspection are troublesome and the use is very inconvenient due to the fact that most traditional pressure gauges are mounted on a measuring pipeline in a threaded connection manner are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure gauge joint technical field, concretely is a kind of quick disassembly's pressure gauge joint. BACKGROUND

[0002] Pressure gauge is a kind of elastic element for sensitive element, for measuring and indicating the instrument above ambient pressure, pressure gauge is widely used in various industrial processes and scientific research fields, such as heat pipe network, oil and gas transmission, water and gas supply system, vehicle maintenance, etc., pressure gauge needs to be installed on the pipeline to be measured by pressure gauge joint when installing and using;

[0003] For example, the authorized patent (a pressure gauge joint) with announcement number CN210375510U: including connecting ring, the first joint of tubular, the first joint one end is provided with first connecting thread, the connecting ring is provided with second connecting thread, the connecting ring is connected with the first joint one end thread, the connecting ring is connected with the first joint between axial limit structure, the axial limit structure is provided with third connecting thread, the first joint is connected with axial limit structure thread;

[0004] The above prior art although makes the length of the first joint in the connecting ring of the pressure gauge joint adjustable, but does not have quick disassembly structure, and then the conventional pressure gauge is mostly installed on the measuring pipeline in the way of threaded connection, so that it is more troublesome to disassemble and assemble pressure gauge when replacing or inspecting, and it is very inconvenient to use;Therefore, the market urgently needs to develop a quick disassembly pressure gauge joint to help people solve the existing problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of quick disassembly's pressure gauge joint, to solve the problem that the conventional pressure gauge is mostly installed on the measuring pipeline in the way of threaded connection in the above background art, so that it is more troublesome to disassemble and assemble pressure gauge when replacing or inspecting, and it is very inconvenient to use.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of quick disassembly's pressure gauge joint, including installation joint, the upper of installation joint is provided with pressure gauge body, the lower of pressure gauge body is fixedly installed with pressure gauge end, the lower end of pressure gauge end is inserted into the inside of installation joint, the outside of pressure gauge end is provided with arc ring groove, the outside of installation joint is provided with multiple through holes, multiple the through hole annular arrangement is arranged, the inside of through hole is provided with marble, marble is placed into the inside of arc ring groove, the outside of installation joint is provided with ring sleeve, the inside of ring sleeve is provided with trapezoidal ring groove, marble is placed into the upper of trapezoidal ring groove inside.

[0007] Preferably, a ring plate is provided below the ring sleeve, and the ring plate is fixedly connected to the mounting joint. A spring ring groove is provided inside the ring sleeve along the lower part of the trapezoidal ring groove. A compression spring is provided inside the spring ring groove. The upper end of the compression spring is fixedly connected to the ring sleeve, and the lower end of the compression spring is fixedly connected to the ring plate.

[0008] Preferably, the pressure gauge body has a pressure gauge Bourdon tube inside, an end pressure head is fixedly installed below the end of the pressure gauge, the end of the pressure gauge has a Bourdon tube through hole inside, and the lower end of the Bourdon tube through hole passes through the end pressure head, and one end of the pressure gauge Bourdon tube extends into the interior of the Bourdon tube through hole.

[0009] Preferably, the mounting joint has an inner convex ring block provided inside along the outer side of the end pressure head, and the mounting joint and the inner convex ring block are integrally formed.

[0010] Preferably, a one-way valve core is provided inside the mounting joint below the end pressure head, a compression spring two is fixedly installed below the one-way valve core, and a base plate is fixedly installed below the compression spring two. The base plate is fixedly connected to the mounting joint.

[0011] Preferably, the outer side of the interior of the base plate is provided with a plurality of ventilation holes, which are arranged in a ring.

[0012] Preferably, a guide hole is provided in the middle of the base plate, and a guide post is provided inside the compression spring 2. The upper end of the guide post is fixedly connected to the one-way valve core, and the lower end of the guide post passes through the guide hole through the base plate.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] (1) This utility model provides multiple through holes on the outside of the mounting connector and places ball bearings in the through holes. These ball bearings can fit tightly with the arc-shaped groove on the outside of the pressure gauge end to achieve a stable lock. The ring sleeve on the outside of the mounting connector has a trapezoidal groove design on its inner side, which provides additional support and limit for the ball bearings, enhancing the stability of the connection. At the same time, when the pressure gauge needs to be disassembled, by lifting the ring sleeve, the larger part of the lower part of the trapezoidal groove corresponds to the ball bearing, and the ball bearing can be moved out of the arc-shaped groove, so that the pressure gauge body can be quickly pulled out. Therefore, the ball bearing locking and trapezoidal groove cooperation mechanism simplifies the installation and disassembly process of the pressure gauge, and enables the pressure gauge to be replaced or inspected quickly, greatly improving the efficiency and convenience of operation.

[0015] (2) The utility model discloses a compression spring one is set, when the pressure gauge is quickly disassembled, the lifting ring will drive compression spring one to stretch, makes compression spring one produce the retraction, thereby after the ring is loosened, the ring can be reset automatically, and the quick disassembly of pressure gauge is convenient.

[0016] (3) The utility model discloses a one-way valve core and compression spring two are set, make one-way valve core when pressure gauge installation under pressure and move and open the passage, when disassembling, then through the spring tension and move and seal, effectively prevent the leakage of measuring pipeline internal medium, prevent measuring pipeline internal medium leakage. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the schematic diagram of the pressure gauge joint of quick disassembly of the utility model;

[0018] Figure 2 It is the sectional view of the mounting joint of the utility model;

[0019] Figure 3 It is the enlarged schematic diagram of A part of the utility model;

[0020] Figure 4 It is the enlarged schematic diagram of B part of the utility model.

[0021] In the drawing: 1, pressure gauge body;2, pressure gauge end;201, arc ring groove;3, mounting joint;301, through -hole;302, inner convex ring block;4, ring plate;5, ring;501, trapezoidal ring groove;502, spring ring groove;6, pressure gauge spring pipe;7, end pressure head;8, marble;9, compression spring one;10, one-way valve core;11, compression spring two;12, guide column;13, bottom plate;1301, air hole;1302, guide hole. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Please refer to Figures 1-4The utility model provides a kind of quick disassembly's pressure gauge joint, including installation joint 3, when pressure gauge is installed and is used, the lower end of installation joint 3 is fixedly connected with measuring pipeline, the upper of installation joint 3 is provided with pressure gauge body 1, the lower of pressure gauge body 1 is fixedly installed with pressure gauge end 2, the lower end of pressure gauge end 2 is inserted into the inside of installation joint 3, the outside of pressure gauge end 2 is provided with arc ring groove 201, the outside of installation joint 3 is provided with multiple through holes 301, multiple through holes 301 are annularly arranged, the inside of through hole 301 is provided with marble 8, marble 8 is placed into the inside of arc ring groove 201, the outside of installation joint 3 is provided with ring 5, the inside of ring 5 is provided with trapezoidal ring groove 501, marble 8 is placed into the upper of trapezoidal ring groove 501 inside.

[0024] By being provided with multiple through holes 301 outside installation joint 3, and being arranged marble 8 in through hole 301, these marbles 8 can be tightly matched with the arc ring groove 201 of the outside of pressure gauge end 2, realize stable locking, and the ring 5 equipped with the outside of installation joint 3, the trapezoidal ring groove 501 of the inside of it is designed, provides additional support and limit for marble 8, enhances the stability of connection, simultaneously when needing to disassemble pressure gauge, by lifting ring 5, the part of the lower of trapezoidal ring groove 501 inside larger size corresponds marble 8, marble 8 can be removed from arc ring groove 201, and then pressure gauge body can be quickly pulled out, therefore by marble locking and trapezoidal ring groove cooperation mechanism, the installation and disassembly process of pressure gauge is simplified, can quickly replace or inspect work of pressure gauge, greatly improves operating efficiency and convenience, and effectively avoids the problems of disassembly difficulty and time-consuming that can be encountered in traditional threaded connection mode, increases practicability.

[0025] Please refer to Figure 2 And Figure 3 The lower of ring 5 is provided with ring plate 4, ring plate 4 is fixedly connected with installation joint 3, spring ring groove 502 is provided inside ring 5 along the lower of trapezoidal ring groove 501, compression spring one 9 is provided inside spring ring groove 502, the upper end of compression spring one 9 is fixedly connected with ring 5, the lower end of compression spring one 9 is fixedly connected with ring plate 4.

[0026] By being provided with compression spring one 9, ring 5 can be elastically reset, and then when pressure gauge is quickly disassembled, lifting ring 5 will drive compression spring one 9 to stretch, so that compression spring one 9 generates retraction force, so that after ring 5 is loosened, ring 5 can be automatically reset, facilitate the quick disassembly work of pressure gauge.

[0027] Please refer to Figure 2The interior of the pressure gauge body 1 is provided with a pressure gauge spring tube 6, the lower part of the pressure gauge end 2 is fixedly installed with an end head 7, the interior of the pressure gauge end 2 is provided with a spring tube through hole, the lower end of the spring tube through hole penetrates the end head 7, one end of the pressure gauge spring tube 6 extends into the interior of the spring tube through hole, the interior of the end head 7 is provided with a plurality of transverse holes, and the transverse holes are communicated with the spring tube through hole, so that the pressure gauge can work normally.

[0028] The cooperation of the pressure gauge spring tube 6 and the end head 7 and the communication design of the transverse hole and the spring tube through hole ensure the accurate transmission and measurement of the pressure signal.

[0029] Please refer to Figure 2 The interior of the mounting joint 3 is provided with an inner convex ring block 302 along the outer side of the end head 7, and the mounting joint 3 and the inner convex ring block 302 are arranged in an integrated structure, the interior of the mounting joint 3 is provided with a one-way valve core 10 along the lower part of the end head 7, the lower part of the one-way valve core 10 is fixedly installed with a compression spring 11, the lower part of the compression spring 11 is fixedly installed with a bottom plate 13, and the bottom plate 13 is fixedly connected with the mounting joint 3.

[0030] Through the arrangement of the one-way valve core 10 and the compression spring 11, when the pressure gauge is mounted on the joint, the end head 7 can press down the one-way valve core 10, so that the compression spring 11 is compressed, and then the inner convex ring block 302 part is opened, which is convenient for the pressure gauge to monitor the pressure, and when the pressure gauge is detached from the joint, through the elastic tension of the compression spring 11, the one-way valve core 10 can move up to seal the inner convex ring block 302 part, and then through the pressure of the one-way valve core 10 when the pressure gauge is mounted, the channel is opened, and when it is detached, it is sealed by the spring tension, which effectively prevents the leakage of the medium in the measuring pipeline.

[0031] Please refer to Figure 4 The outer side of the interior of the bottom plate 13 is provided with a plurality of air holes 1301, and the plurality of air holes 1301 are arranged in a ring shape.

[0032] The arrangement of the air holes 1301 facilitates the free flow of the medium above and below the bottom plate 13, which helps the normal work of the pressure gauge and ensures the accuracy and stability of the pressure measurement.

[0033] Please refer to Figure 2 and Figure 4 The middle of the interior of the bottom plate 13 is provided with a guide hole 1302, the interior of the compression spring 11 is provided with a guide column 12, the upper end of the guide column 12 is fixedly connected with the one-way valve core 10, and the lower end of the guide column 12 penetrates the bottom plate 13 through the guide hole 1302.

[0034] The cooperation of the guide column 12 and the guide hole 1302 ensures the stable movement of the one-way valve core 10 in the vertical direction, avoiding lateral deviation or jam.

[0035] Working principle: when using, during installation, the pressure gauge body 1 is inserted into the installation joint 3 through the lower pressure gauge end 2, the arc-shaped ring groove 201 outside the pressure gauge end 2 is tightly matched with the elastic ball 8 inside the through hole 301 outside the installation joint 3, locking is realized, and when the pressure gauge is installed in place, the end head 7 presses the one-way valve core 10, the compression spring 11 is compressed, the inner convex ring block 302 part is opened, the medium flow is allowed to pass to carry out pressure monitoring, when the pressure gauge is disassembled, the ring sleeve 5 is lifted, the larger size part inside the trapezoidal ring groove 501 corresponds to the elastic ball 8, the elastic ball 8 can be moved out of the arc-shaped ring groove 201, the pressure gauge body 1 can be quickly pulled out, at this time, the one-way valve core 10 moves upward under the elastic tension of the compression spring 11, the inner convex ring block 302 part is sealed, and leakage of the medium in the measuring pipeline is prevented.

[0036] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A quick-release pressure gauge connector, comprising a mounting connector (3), characterized in that: A pressure gauge body (1) is provided above the mounting connector (3), and a pressure gauge end (2) is fixedly installed below the pressure gauge body (1). The lower end of the pressure gauge end (2) is inserted into the interior of the mounting connector (3). An arc-shaped annular groove (201) is provided on the outer side of the pressure gauge end (2). Multiple through holes (301) are provided on the outer side of the mounting connector (3). The multiple through holes (301) are arranged in a ring. A ball (8) is provided inside the through hole (301). The ball (8) is placed inside the arc-shaped annular groove (201). A ring sleeve (5) is provided on the outer side of the mounting connector (3). A trapezoidal annular groove (501) is provided on the inner side of the ring sleeve (5). The ball (8) is placed above the trapezoidal annular groove (501).

2. The quick-release pressure gauge connector according to claim 1, characterized in that: A ring plate (4) is provided below the ring sleeve (5), and the ring plate (4) is fixedly connected to the mounting joint (3). A spring ring groove (502) is provided inside the ring sleeve (5) along the lower part of the trapezoidal ring groove (501). A compression spring (9) is provided inside the spring ring groove (502). The upper end of the compression spring (9) is fixedly connected to the ring sleeve (5), and the lower end of the compression spring (9) is fixedly connected to the ring plate (4).

3. The quick-disassembly pressure gauge connector according to claim 1, characterized in that: The pressure gauge body (1) is provided with a pressure gauge spring tube (6) inside. An end pressure head (7) is fixedly installed below the pressure gauge end (2). The pressure gauge end (2) is provided with a spring tube through hole inside. The lower end of the spring tube through hole passes through the end pressure head (7). One end of the pressure gauge spring tube (6) extends into the interior of the spring tube through hole.

4. A quick-release pressure gauge connector according to claim 3, characterized in that: The mounting joint (3) has an inner convex ring block (302) inside along the outer side of the end pressure head (7), and the mounting joint (3) and the inner convex ring block (302) are integrated into one structure.

5. A quick-disassembly pressure gauge connector according to claim 4, characterized in that: A one-way valve core (10) is provided inside the mounting joint (3) below the end pressure head (7). A compression spring (11) is fixedly installed below the one-way valve core (10). A base plate (13) is fixedly installed below the compression spring (11). The base plate (13) is fixedly connected to the mounting joint (3).

6. A quick-release pressure gauge connector according to claim 5, characterized in that: The bottom plate (13) has multiple ventilation holes (1301) arranged in a ring on the outer side.

7. A quick-release pressure gauge connector according to claim 6, characterized in that: The bottom plate (13) has a guide hole (1302) in the middle, and the compression spring (11) has a guide post (12) inside. The upper end of the guide post (12) is fixedly connected to the one-way valve core (10), and the lower end of the guide post (12) passes through the bottom plate (13) through the guide hole (1302).

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