Protection structure based on pressure instrument

Abstract

The utility model relates to the technical field of pressure meters, in particular to a protection structure based on a pressure meter, which comprises a pressure meter, a protection mechanism is arranged on the pressure meter and is used for protecting the pressure meter, and the protection mechanism comprises an external protection assembly, an internal protection assembly and an external protection assembly, the external protection assembly comprises a shell arranged outside the pressure meter, and the lower end of the shell is provided with a matching opening; the observation window protection assembly comprises an annular base installed at the front end of the shell, a plurality of chutes distributed circumferentially are formed in the front surface of the annular base, a plurality of blade plates distributed circumferentially are arranged at the front end of the annular base, sliding blocks are fixed to the rear surfaces of the blade plates, protruding blocks are fixed to the front surfaces of the blade plates, and an annular cover is rotationally installed at the front end of the annular base. A plurality of arc-shaped grooves which are circumferentially distributed are formed in the rear end of the annular cover; the annular cover is rotated to drive the leaf plates to open and close synchronously, adjustable protection of the pressure gauge dial plate is achieved, operation is convenient, protection is reliable, and the dustproof protection function and the rapid reading function are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure instrument technical field, concretely is a protection structure based on pressure instrument. BACKGROUND

[0002] In the field of industrial production and process control, as the key measuring equipment, pressure instrument is exposed to complex working conditions for a long time, and faces multiple threats such as mechanical collision, dust pollution and liquid erosion.

[0003] According to the check publication number: CN221745346U, a kind of pressure gauge with protective structure is disclosed, this technology discloses "a kind of pressure gauge with protective structure, including protective shell, the both sides of the protective shell are symmetrically perforated, the inside of the protective shell is symmetrically provided with limiting component, and limiting component is used to fixed and protect pressure gauge" and other technical schemes, with "when installing pressure gauge, push the clamping arc block outward, make that connecting rod slides in perforation, drive assembly strip to move outward, make telescopic spring be compressed, after telescopic spring is compressed, there is elastic recovery force, place pressure gauge between two groups of clamping arc block, staff slowly loosen clamping arc block, the elastic recovery force of telescopic spring drives two groups of clamping arc block to be close to each other, until two groups of clamping arc block are clamped to pressure gauge, fix pressure gauge;Such pressure gauge is fixed in the inside of protective shell, can prevent pressure gauge from being damaged by external object collision, while avoiding that pressure gauge shakes in protective shell, appears the problem of not high stability" and other technical effects;

[0004] The protective structure in the above scheme adopts fixed protective front cover and visible glass design, when reading pressure gauge value is needed, operator cannot directly contact dial, can only observe through visible glass, when glass surface appears water vapor, stain or reflection, it can seriously affect reading accuracy. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of prior art, the utility model provides a protection structure based on pressure instrument, which realizes adjustable protection of pressure gauge dial by rotating annular cover to drive leaf plate to open and close synchronously, is convenient to operate and reliable in protection, and has dust protection and rapid reading function.

[0006] To achieve the above object, the utility model realizes the following technical scheme: a protection structure based on pressure instrument, comprising a pressure gauge, a protection mechanism is arranged on the pressure gauge and used for protecting the pressure gauge, and the protection mechanism comprises:

[0007] An external protection assembly comprises an outer shell mounted on the outside of the pressure gauge, and a matching port is formed in the lower end of the outer shell.

[0008] The observation window protection assembly comprises a ring-shaped seat installed at the front end of the shell, a plurality of inclined grooves are formed in the front surface of the ring-shaped seat in a circumferential distribution, a plurality of leaf plates are arranged at the front end of the ring-shaped seat in a circumferential distribution, sliding blocks are fixed to the rear surfaces of the leaf plates, protrusions are fixed to the front surfaces of the leaf plates, a ring-shaped cover is rotatably installed at the front end of the ring-shaped seat, and a plurality of arc-shaped grooves are formed in the ring-shaped cover in a circumferential distribution.

[0009] Preferably, the external protection assembly further comprises clamping grooves formed at two ends of the matching opening, and a shutter is inserted and installed in the matching opening, and clamping strips are fixed to two ends of the shutter and matched with the clamping grooves.

[0010] Preferably, the external protection assembly further comprises a plurality of mounting holes formed in the outer edge of the shell in a circumferential distribution.

[0011] Preferably, the observation window protection assembly further comprises anti-skid lines formed on the outer wall of the ring-shaped cover.

[0012] Preferably, the leaf plates are slidably installed with the ring-shaped seat through the cooperation of the sliding blocks and the inclined grooves, and the leaf plates are slidably installed with the ring-shaped cover through the cooperation of the protrusions and the arc-shaped grooves.

[0013] Preferably, the inner wall of the ring-shaped cover is provided with a ring-shaped groove, and the outer wall of the ring-shaped seat is provided with a corresponding ring-shaped convex rib.

[0014] Beneficial effects

[0015] The utility model provides a protection structure based on pressure instrument. Compared with prior art, the following beneficial effects are possessed:

[0016] 1, when need reading, through rotating ring-shaped cover, ring-shaped cover passes through arc-shaped groove cooperation protrusion and drives leaf plate to slide, simultaneously, leaf plate passes through the cooperation of the sliding block in the inclined groove and restricts the sliding track, passes through the synchronous sliding of a plurality of leaf plates in a circumferential distribution, makes the central hole diameter enlarge, thereby exposes the pressure gauge dial, is convenient for observation and reads the value, similarly, when not using, can reverse rotation ring-shaped cover, makes a plurality of leaf plates close the central hole, through rotating ring-shaped cover and drives leaf plate synchronous sliding, realizes the opening and closing of protection structure, can close the protection pressure gauge dial when not using, can open quickly when need reading, convenient operation.

[0017] 2, when the pressure gauge is placed in the shell, the connecting end of the pressure gauge is extended to the outside through the matching opening, the shutter is inserted and installed into the matching opening through the cooperation of the clamping strips and the clamping grooves, and when the shell and the ring-shaped seat are fixed, the shutter can be fixed in the matching opening, which can close the remaining space to some extent and reduce the invasion of dust and liquid. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0019] Figure 2 is a split view of the utility model;

[0020] Figure 3 is a split view of the external protection assembly in the utility model;

[0021] Figure 4 is a sectional view of the observation window protection assembly in the utility model;

[0022] Figure 5 is a split view of the front of the observation window protection assembly in the utility model;

[0023] Figure 6 is a split view of the back of the observation window protection assembly in the utility model.

[0024] In the figure: 1, pressure gauge; 2, protection mechanism; 21, external protection assembly; 211, shell; 212, matching port; 213, clamping groove; 214, shutter; 215, clamping strip; 216, mounting hole; 22, observation window protection assembly; 221, annular seat; 222, inclined groove; 223, leaf plate; 224, sliding block; 225, protruding block; 226, annular cover; 227, arc-shaped groove; 228, anti-skid pattern. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figure 1 - Figure 6 The utility model provides a technical scheme: a protection structure based on pressure gauge, including pressure gauge 1, pressure gauge 1 is provided with protection mechanism 2 and is used for protecting pressure gauge 1, and protection mechanism 2 includes:

[0027] External protection assembly 21, including the shell 211 installed in pressure gauge 1 outside, and the matching port 212 is set up in the lower end of shell 211;

[0028] Observation window protection assembly 22, including the annular seat 221 installed in the front end of shell 211, and the inclined groove 222 in circumferential distribution is set up in the front surface of annular seat 221, and the leaf plate 223 in circumferential distribution is set up in the front end of annular seat 221, and the sliding block 224 is fixed on the rear surface of leaf plate 223, and the protruding block 225 is fixed on the front surface of leaf plate 223, and the annular cover 226 is rotatably installed in the front end of annular seat 221, and the arc-shaped groove 227 in circumferential distribution is set up in the inside of the rear end of annular cover 226.

[0029] In the embodiment, the opening and closing of the protection structure is achieved by rotating the annular cover 226 to drive the leaf plates 223 to slide synchronously, which can close the protection structure when not in use and quickly open the protection structure when reading is needed, and the operation is convenient.

[0030] Specifically, the external protection assembly 21 further comprises clamping grooves 213 formed at both ends of the matching opening 212, and a shutter 214 is inserted and installed in the matching opening 212, and clamping strips 215 are fixed at both ends of the shutter 214 and are matched with the clamping grooves 213.

[0031] In the embodiment, when the pressure gauge 1 is placed inside the shell 211, the connecting end of the pressure gauge 1 extends to the outside through the matching opening 212, and then the shutter 214 is inserted and installed into the matching opening 212 through the cooperation of the clamping strips 215 and the clamping grooves 213, and when the shell 211 is fixed with the annular seat 221, the shutter 214 can be fixed in the matching opening 212, which can close the remaining space to a certain extent and reduce the invasion of dust and liquid.

[0032] Specifically, the external protection assembly 21 further comprises a plurality of installation holes 216 distributed circumferentially on the outer edge of the shell 211.

[0033] In the embodiment, the shell 211 can be fixed between the annular seat 221 through the installation holes 216 and screws, which facilitates the disassembly and assembly of the external protection assembly 21 and the observation window protection assembly 22 from the pressure gauge 1.

[0034] Specifically, the observation window protection assembly 22 further comprises anti-slip lines 228 formed on the outer wall of the annular cover 226.

[0035] In the embodiment, the anti-slip lines 228 on the outer wall of the annular cover 226 enhance the friction when manually rotating, avoid slipping, and improve the operation reliability.

[0036] Specifically, the leaf plates 223 are slidably installed with the annular seat 221 through the cooperation of the sliding blocks 224 and the inclined grooves 222, and the leaf plates 223 are slidably installed with the annular cover 226 through the cooperation of the protrusions 225 and the arc-shaped grooves 227.

[0037] In the embodiment, when reading is needed, the annular cover 226 is rotated to drive the leaf plates 223 to slide through the cooperation of the arc-shaped grooves 227 and the protrusions 225, and at the same time, the sliding trajectory of the leaf plates 223 is limited through the cooperation of the sliding blocks 224 and the inclined grooves 222, and the central hole diameter is enlarged through the synchronous sliding of the plurality of circumferentially distributed leaf plates 223, so that the dial of the pressure gauge 1 is exposed for observation and reading; similarly, the annular cover 226 can be rotated in the opposite direction when not in use, so that the plurality of leaf plates 223 close the central hole.

[0038] Specifically, the inner wall of the annular cover 226 is provided with an annular groove, and the outer wall of the annular seat 221 is provided with a corresponding annular convex rib.

[0039] In the embodiment, the annular cover 226 can rotate smoothly and avoid axial movement when rotating.

[0040] The working principle and use process of the utility model are as follows: first, when reading is needed, the annular cover 226 is rotated, the annular cover 226 drives the leaf plate 223 to slide through the cooperation of the arc-shaped groove 227 and the convex block 225, at the same time, the leaf plate 223 limits the sliding track through the cooperation of the sliding block 224 and the inclined groove 222, the central hole diameter is enlarged through the synchronous sliding of the plurality of circumferentially distributed leaf plates 223, so that the dial of the pressure gauge 1 is exposed, and the numerical value is observed and read; similarly, the annular cover 226 can be reversely rotated when not in use, so that the plurality of leaf plates 223 close the central hole; the leaf plate 223 is driven to slide synchronously through the rotation of the annular cover 226, so that the opening and closing of the protection structure are realized, the dial of the pressure gauge 1 can be closed for protection when not in use, and the dial can be quickly opened when reading is needed, so that the operation is convenient.

[0041] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A protection structure based on a pressure gauge, comprising a pressure gauge (1), characterized in that: The pressure gauge (1) is provided with a protection mechanism (2) for protecting the pressure gauge (1), and the protection mechanism (2) comprises: An external protection assembly (21) comprising a shell (211) mounted on the outside of the pressure gauge (1), and a matching opening (212) is formed at the lower end of the shell (211); An observation window protection assembly (22) comprising a ring-shaped seat (221) mounted on the front end of the shell (211), a plurality of inclined grooves (222) are formed on the front surface of the ring-shaped seat (221) in a circumferential distribution, a plurality of leaf plates (223) are arranged on the front end of the ring-shaped seat (221) in a circumferential distribution, a sliding block (224) is fixed to the rear surface of the leaf plate (223), a protrusion (225) is fixed to the front surface of the leaf plate (223), and a ring-shaped cover (226) is rotatably mounted on the front end of the ring-shaped seat (221), and a plurality of arc-shaped grooves (227) are formed in the inner rear end of the ring-shaped cover (226) in a circumferential distribution.

2. A protection scheme based on a pressure instrument according to claim 1, characterized in that: The external protection assembly (21) further comprises clamping grooves (213) formed at both ends of the matching opening (212), and a shutter (214) is inserted and mounted in the matching opening (212), and clamping strips (215) are fixed to both ends of the shutter (214) and matched with the clamping grooves (213).

3. A protection scheme based on pressure instrument according to claim 1, characterized in that: The external protection assembly (21) further comprises a plurality of mounting holes (216) formed in a circumferential distribution on the outer edge of the shell (211).

4. A protection scheme based on pressure instrument according to claim 1, characterized in that: The observation window protection assembly (22) further comprises anti-skid lines (228) formed on the outer wall of the ring-shaped cover (226).

5. A protection scheme based on pressure instrument as claimed in claim 1, wherein: The leaf plate (223) is slidably mounted with the ring-shaped seat (221) through the sliding block (224) cooperating with the inclined groove (222), and the leaf plate (223) is also slidably mounted with the ring-shaped cover (226) through the protrusion (225) cooperating with the arc-shaped groove (227).

6. A protection scheme based on a pressure instrument according to claim 1, characterized in that: The inner wall of the ring-shaped cover (226) is provided with a ring-shaped groove, and the outer wall of the ring-shaped seat (221) is provided with a corresponding ring-shaped convex rib.

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