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CN-224231146-U - Digital display pressure gauge convenient to assemble

CN224231146UCN 224231146 UCN224231146 UCN 224231146UCN-224231146-U

Abstract

The utility model belongs to the technical field of electronic pressure measurement equipment, and provides a digital display pressure gauge convenient to assemble, which comprises a digital display pressure gauge main body, a gauge stand arranged at the bottom of the digital display pressure gauge main body, an air inlet pipe arranged on the gauge stand, a connecting sleeve arranged at the end part of the air inlet pipe, a sealing ring arranged in the connecting sleeve and abutted against the end part of the air inlet pipe, and locking handles rotatably arranged at two sides of the connecting sleeve, wherein the end parts of the locking handles are provided with two first convex parts and second convex parts which are oppositely arranged; the connecting plug comprises a front section part, a middle section part and a rear section part, wherein the middle section part is inwards concave relative to the front section part and the rear section part to form a clamping groove structure, groove-shaped channels are symmetrically arranged on two sides of the front section part, and limiting blocks are symmetrically arranged on two sides of the rear section part. The utility model can realize the rapid assembly of the air inlet pipe and the external pipeline of the digital display pressure gauge and effectively solve the problems existing in the prior art.

Inventors

  • SHAN JINDANG

Assignees

  • 上腾科技(广州)有限公司

Dates

Publication Date
20260512
Application Date
20250526

Claims (8)

  1. 1. The digital display pressure gauge is characterized by comprising a digital display pressure gauge main body (1), a gauge stand (2) arranged at the bottom of the digital display pressure gauge main body (1), an air inlet pipe (3) arranged on the gauge stand (2), a connecting sleeve (4) arranged at the end part of the air inlet pipe (3), a sealing ring (5) arranged in the connecting sleeve (4) and abutted against the end part of the air inlet pipe (3), and locking handles (6) rotationally arranged at two sides of the connecting sleeve (4) and symmetrically arranged, wherein the end part of each locking handle (6) is provided with a first convex part (8) and a second convex part (9) which are oppositely arranged, the connecting sleeve (4) is provided with an intrusion through hole for the first convex part (8) and the second convex part (9) to move, one end of each connecting plug (11) is used for connecting an external pipeline (10), each connecting plug (11) comprises a front section part (12), a middle section part (13) and a rear section (14), and two opposite concave sections (13) are arranged at two sides of each front section (12) and each front section (12) are respectively provided with a groove structure.
  2. 2. The digital display pressure gauge convenient to assemble according to claim 1, wherein limiting blocks (7) are symmetrically arranged on two sides of the rear section (14), and positioning protrusions (17) matched with the limiting blocks (7) are symmetrically arranged on two sides of the left end portion of the connecting sleeve (4).
  3. 3. The digital display pressure gauge convenient to assemble according to claim 2, wherein in the locking process, the second protruding portion (9) is arranged in the connecting sleeve (4) through the invasive through hole, and the groove-type channel (15) of the connecting plug (11) corresponds to the second protruding portion (9).
  4. 4. The digital display pressure gauge convenient to assemble according to claim 3, wherein in a locked state, the first protruding portion (8) is placed in the connecting sleeve (4) through the intrusion through hole and is clamped and fixed at the position of the middle section (13).
  5. 5. The digital display pressure gauge convenient to assemble according to claim 4, wherein the limiting blocks (7) positioned on the same side correspond to the groove type channels (15) in the horizontal direction.
  6. 6. The digital display pressure gauge convenient to assemble according to claim 5, wherein an annular clamping groove (16) is formed in the connecting sleeve (4) and is close to the inner wall of the end part of the air inlet pipe (3), and the sealing ring (5) is arranged in the annular clamping groove (16).
  7. 7. The digital display pressure gauge convenient to assemble according to any one of claims 1-6, wherein the connecting sleeve (4) and the air inlet pipe (3) are coaxially arranged and are of an integrated structure.
  8. 8. The digital display pressure gauge convenient to assemble according to claim 7, wherein the front section (12), the middle section (13) and the rear section (14) are of hollow structures, are coaxially arranged and are of an integrated structure, and the rear section (14) is used for being connected with an external pipeline (10).

Description

Digital display pressure gauge convenient to assemble Technical Field The utility model belongs to the technical field of electronic pressure measurement equipment, and particularly relates to a digital display pressure gauge convenient to assemble. Background The digital display pressure gauge is a measuring instrument for directly displaying pressure values through a digital display screen, and has higher precision, readability and function expansibility compared with the traditional mechanical pointer pressure gauge, and is widely applied to the fields of industry, laboratory, medical treatment and the like. The working principle of the digital display pressure gauge is based on the signal conversion and electronic processing technology of a pressure sensor, the physical pressure value is converted into an electric signal, the electric signal is processed and displayed through a digital circuit, when the digital display pressure gauge is used for measuring the pressure of a gas or liquid medium, the digital display pressure gauge is connected with a tested system through a pipeline (such as an air inlet pipe and a hydraulic pipe) to enable the pressure of the medium to be transmitted to an induction diaphragm of the sensor, and the conventional connection mode is to be in butt joint with the pipeline of the tested system through a threaded interface. Disclosure of utility model The utility model aims to solve the problems in the prior art and provides a digital display pressure gauge convenient to assemble. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the digital display pressure gauge comprises a digital display pressure gauge main body, a gauge stand, an air inlet pipe, a connecting sleeve, a sealing ring, locking handles, a first protruding part and a second protruding part, wherein the gauge stand is arranged at the bottom of the digital display pressure gauge main body, the air inlet pipe is arranged on the gauge stand, the connecting sleeve is arranged at the end part of the air inlet pipe, the sealing ring is arranged in the connecting sleeve and abuts against the end part of the air inlet pipe, the locking handles are rotatably arranged at two sides of the connecting sleeve and are symmetrically arranged, the end parts of the locking handles are provided with the first protruding part and the second protruding part which are oppositely arranged, the connecting sleeve is provided with an intrusion through hole for the first protruding part and the second protruding part to move, one end of the connecting plug is used for connecting an external pipeline, the connecting plug comprises a front section part, a middle section part and a rear section part, the middle section part is inwards concavely arranged relative to the front section part and the rear section part to form a clamping groove structure, two sides of the front section part are symmetrically provided with groove type channels, and two sides of the rear section part are symmetrically provided with limiting blocks. Further, in the locking process, the second protruding portion is disposed in the connecting sleeve through the penetrating through hole, and the groove-type channel of the connecting plug corresponds to the second protruding portion. Further, in the locked state, the first protruding portion is disposed in the connecting sleeve through the penetrating through hole and is clamped at the middle section position. Further, in the horizontal direction, the limiting blocks positioned on the same side correspond to the groove type channels. Further, an annular clamping groove is formed in the connecting sleeve and is close to the inner wall of the end part of the air inlet pipe, and the sealing ring is arranged in the annular clamping groove. Further, the connecting sleeve and the air inlet pipe are coaxially arranged and are of an integrated structure. Further, the front section part, the middle section part and the rear section part are of hollow structures, are coaxially arranged and are of an integrated structure, and the rear section part is used for being connected with an external pipeline. Compared with the prior art, the utility model has the following beneficial effects: According to the utility model, the air inlet pipe is arranged on the gauge stand, the connecting sleeve at the end part of the air inlet pipe is rotatably provided with the locking handle at two sides of the connecting sleeve, the end part of the locking handle is provided with the two first convex parts and the second convex parts which are oppositely arranged, meanwhile, the digital display pressure gauge also comprises the connecting plug which is matched with the connecting sleeve for use, the connecting plug is inserted into the connecting sleeve, and then the locking handle is rotated and locked through the end part of the locking handle, so that the air inlet pipe of the digital display pres