Water mist prevention instrument

Abstract

The utility model relates to the technical field of instruments and meters, and discloses a water mist prevention instrument and meter which comprises an instrument, a glass cover is arranged at the front end of the instrument, a base is arranged at the bottom of the instrument, a sealing assembly is arranged between the instrument and the glass cover, and the sealing assembly is used for protecting the glass cover. Through the sealing rings arranged in the two sets of protective covers, the brake disc drives the two-way screw rod to rotate in the movable bin, the two-way screw rod acts on the two sets of transmission blocks, the two sets of transmission blocks gather towards the middle of the two-way screw rod, the protective covers are synchronously driven to move till the inner walls of the protective covers are attached to the outer wall of the instrument, and meanwhile the two sets of protective covers are tightly attached. Therefore, the sealing performance of the instrument and the glass cover is improved, the interior of the instrument is isolated from the external environment, the possibility that water mist enters is reduced, and normal use of the instrument by workers is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model application relates to the field of instrument technology, and specifically relates to a waterproof fog instrument. BACKGROUND

[0002] With the continuous improvement of industrial automation and intelligent level, as the core component of data acquisition and monitoring, the performance and reliability of instrument are crucial to the stability and safety of production process.

[0003] In practical application, instrument often faces complex and changeable environmental conditions, especially in the occasion of high humidity and obvious temperature difference, which can easily cause water mist on the surface of the glass cover of the instrument, thereby affecting the reading accuracy and service life. SUMMARY

[0004] In order to solve the problem that the surface of the instrument is easy to produce water mist, thereby affecting the reading accuracy and service life, the utility model provides a waterproof fog instrument to solve the above problems.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] A waterproof fog instrument, comprising an instrument, a glass cover is arranged at the front end of the instrument, a base is arranged at the bottom of the instrument, a sealing assembly is arranged between the instrument and the glass cover, the sealing assembly is used for protecting the glass cover, a demisting assembly is arranged in the instrument and the base, and the demisting assembly is used for demisting operation on the glass cover.

[0007] Further, the sealing assembly comprises a movable bin arranged at the top of the instrument, a bidirectional screw rod is rotatably arranged in the movable bin, a brake disc is arranged at the right end of the bidirectional screw rod, a plurality of limiting grooves are formed in the outer part of the brake disc, two groups of transmission blocks are threadedly connected to the bidirectional screw rod, protective covers are arranged at the front end surfaces of the transmission blocks, sealing rings are arranged on the inner walls of the protective covers, a fixed frame is arranged at the top of the movable bin, a fixed rod is arranged on the inner wall of the fixed frame, a limiting block is slidably arranged on the fixed rod, the limiting block is clamped with the limiting groove, and a spring is wound on the fixed rod above the limiting block.

[0008] Further, the demisting assembly comprises a movable groove formed in the bottom of the base, a fan is arranged in the movable groove, a motor is arranged at the bottom of the fan, channels and air outlets are formed in the base and the instrument at the top of the fan, the air outlet is communicated with the glass cover, a fixed seat is arranged on the rear end surface of the base, a torsion spring is rotatably arranged in the fixed seat, a rotating rod is wound on the surface of the torsion spring, a cover plate is arranged on the outer wall of the torsion spring, and a baffle is arranged on the left outer wall of the base.

[0009] Further, the protective cover is transparent, and the sealers in the protective cover are transparent.

[0010] Further, the limiting blocks are L-shaped, and the limiting blocks are provided with through holes matched with the fixing rods.

[0011] Further, the cover plates are provided with soft pads on the side surfaces of the cover plates, and the cover plates are provided with anti-skid lines.

[0012] Further, the motor is provided with an internal power supply, and the motor is wirelessly connected with an external controller.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. In the utility model, the sealing rings arranged in the two protective covers are used to drive the bidirectional screws to rotate in the movable bin, and the bidirectional screws are used to act on the two groups of transmission blocks, so that the two groups of transmission blocks are gathered to the middle part of the bidirectional screws, and the protective covers are synchronously driven to move until the inner walls of the protective covers are attached to the outer walls of the instruments, and the two protective covers are tightly attached, so that the sealing performance of the instruments and the glass covers is improved, the inside of the instruments is isolated from the outside environment, and the possibility of water mist entering is reduced, so that the normal use of the instruments by the staff is ensured.

[0015] 2. In the utility model, the motor is used to drive the fan to rotate, so that the fan blows the outside air into the glass cover through the passage and the air outlet, so that the water mist on the glass cover is blown away, and the water mist in the glass cover is prevented from affecting the staff to read the values. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Figure 1 is a three-dimensional structure schematic diagram of an instrument according to an embodiment of the present application;

[0018] Figure 2 is Figure 1 the bottom view structure three-dimensional schematic diagram in the embodiment shown;

[0019] Figure 3 is Figure 1 the top view sectional schematic diagram of the sealing assembly in the embodiment shown;

[0020] Figure 4 isFigure 1 A top view of the defogging assembly in the embodiment shown is shown in the figure;

[0021] Figure 5 is Figure 1 A top view of the defogging assembly in the embodiment shown is shown in the figure; Figure 3 An enlarged view of A in the figure.

[0022] The meanings of the reference numerals in the figure: 1, instrument; 2, glass cover; 3, base; 4, sealing assembly; 41, movable bin; 42, bidirectional screw rod; 43, brake disc; 44, limiting groove; 45, transmission block; 46, protective cover; 47, fixed frame; 48, fixed rod; 49, limiting block; 410, spring; 5, defogging assembly; 51, movable groove; 52, fan; 53, motor; 54, passage; 55, air outlet; 56, fixed seat; 57, rotating rod; 58, torsion spring; 59, cover plate; 510, baffle. DETAILED DESCRIPTION

[0023] In order to make the application purposes, features and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the embodiments described below are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0024] With reference to Figures 1-5 A waterproof fog instrument includes an instrument 1, the front end of the instrument 1 is provided with a glass cover 2, the bottom of the instrument 1 is provided with a base 3, the instrument 1 and the glass cover 2 are provided with a sealing assembly 4, the sealing assembly 4 is used for protecting the glass cover 2, the instrument 1 and the base 3 are provided with a defogging assembly 5, the defogging assembly 5 is used for defogging operation on the glass cover 2.

[0025] The sealing assembly 4 includes a movable bin 41 arranged at the top of the instrument 1, a bidirectional screw rod 42 is rotatably arranged in the movable bin 41, a brake disc 43 is arranged at the right end of the bidirectional screw rod 42, a plurality of limiting grooves 44 are arranged on the outside of the brake disc 43, two groups of transmission blocks 45 are threadedly connected to the bidirectional screw rod 42, protective covers 46 are arranged on the front end surfaces of the transmission blocks 45, sealing rings are arranged on the inner walls of the protective covers 46, a fixed frame 47 is arranged at the top of the movable bin 41, a fixed rod 48 is arranged on the inner wall of the fixed frame 47, a limiting block 49 is slidably arranged on the fixed rod 48, the limiting block 49 is clamped with the limiting groove 44, and a spring 410 is wound on the fixed rod 48 above the limiting block 49.

[0026] The sealing ring arranged in the two groups of protective covers 46 enables the brake disc 43 to drive the bidirectional screw rod 42 to rotate in the movable bin 41, and enables the bidirectional screw rod 42 to act on the two groups of transmission blocks 45, so that the two groups of transmission blocks 45 are gathered to the middle part of the bidirectional screw rod 42, and synchronously drive the protective covers 46 to move, until the inner wall of the protective cover 46 is attached to the outer wall of the instrument 1, and meanwhile the two groups of protective covers 46 are tightly attached, so as to increase the sealing performance of the instrument 1 and the glass cover 2, isolate the inside of the instrument from the outside environment, and reduce the possibility of water mist entering, thereby ensuring the normal use of the instrument 1 by the staff.

[0027] Specifically, the protective cover 46 is designed in a transparent manner, and the sealers in the protective cover 46 are also designed in a transparent manner, which can facilitate the staff to understand the water mist condition on the glass cover 2 through the protective cover 46, and greatly improve the convenience of the staff in observing the glass cover 2.

[0028] Specifically, the limiting block 49 is designed in an L shape, and a through hole matched with the fixed rod 48 is formed in the limiting block 49, which can facilitate the staff to operate the limiting block 49, so that the limiting block 49 moves linearly back and forth on the fixed rod 48, and prevents the hand from slipping during the process of pulling the limiting block 49.

[0029] As an optimization scheme, the defogging assembly 5 includes a movable groove 51 formed in the bottom of the base 3, a fan 52 arranged in the movable groove 51, a motor 53 arranged at the bottom of the fan 52, a passage 54 and an air outlet 55 formed in the base 3 and the instrument 1 at the top of the fan 52, the air outlet 55 being communicated with the glass cover 2, a fixed seat 56 arranged on the rear end surface of the base 3, a torsion spring 58 rotatably arranged in the fixed seat 56, a rotating rod 57 wound on the surface of the torsion spring 58, a cover plate 59 arranged on the outer wall of the torsion spring 58, and a baffle 510 arranged on the left outer wall of the base 3.

[0030] The motor 53 drives the fan 52 to rotate, so that the fan 52 blows the external air into the glass cover 2 through the passage 54 and the air outlet 55, thereby achieving the purpose of dispersing the water mist on the glass cover 2, preventing the water mist in the glass cover 2 from affecting the staff in reading the values.

[0031] Specifically, the surface of the cover plate 59 on the side facing the baffle 510 is provided with a soft pad, and the bottom of the cover plate 59 is provided with anti-skid lines, which can prevent the torsion of the torsion spring 58 output by the rotating rod 57 from being too large, so as to prevent the cover plate 59 from colliding with the baffle 510 and causing damage to the surface of the cover plate 59 or the baffle 510,

[0032] Specifically, the motor 53 is provided with an internal power supply, and the motor 53 and an external controller are wirelessly connected, which can facilitate the staff to remotely operate the motor 53, thereby ensuring the safety of the staff when using the motor 53,

[0033] Working principle: in use, first pull the limiting block 49 away from the limiting groove 44, make the limiting block 49 slide on the fixed rod 48 and slide out of the limiting groove 44, the limiting block 49 continuously extrudes the spring 410 to the inner wall of the fixed frame 47, causing the spring 410 to deform, then rotate the brake disc 43, make the brake disc 43 drive the bidirectional screw rod 42 rotate in the movable bin 41, and make the bidirectional screw rod 42 act on the two groups of transmission blocks 45, make the two groups of transmission blocks 45 gather to the middle part of the bidirectional screw rod 42, and synchronously drive the protective cover 46 to move, until the inner wall of the protective cover 46 and the outer wall of the instrument 1 are attached, and the two groups of protective covers 46 are tightly attached, so as to increase the sealing performance of the instrument 1 and the glass cover 2, then loosen the limiting block 49, use the restoring force of the spring 410 to drive the limiting block 49 to reset and slide on the fixed rod 48, and make the limiting block 49 insert into the limiting groove 44, so as to achieve the purpose of limiting the rotation of the brake disc 43.

[0034] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims and not by the foregoing description, and it is intended to include all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.

[0035] The above, the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A waterproof fog-proof instrument, characterized in that: The instrument includes an instrument (1), a glass cover (2) at the front end of the instrument (1), a base (3) at the bottom of the instrument (1), a sealing component (4) between the instrument (1) and the glass cover (2), the sealing component (4) being used to protect the glass cover (2), and a defogging component (5) inside the instrument (1) and the base (3), the defogging component (5) being used to defog the glass cover (2).

2. The waterproof fog instrument according to claim 1, characterized in that: The sealing assembly (4) includes a movable chamber (41) located on the top of the instrument (1). A bidirectional lead screw (42) rotates inside the movable chamber (41). A brake disc (43) is provided at the right end of the bidirectional lead screw (42). Multiple sets of limiting grooves (44) are provided on the outside of the brake disc (43). Two sets of transmission blocks (45) are threaded onto the bidirectional lead screw (42). A protective cover (46) is provided on the front surface of each transmission block (45). A sealing ring is provided on the inner wall of each protective cover (46). A fixed frame (47) is provided on the top of the movable chamber (41). A fixed rod (48) is provided on the inner wall of the fixed frame (47). A limiting block (49) slides on the fixed rod (48), and the limiting block (49) engages with the limiting groove (44). A spring (410) is wound around the fixed rod (48) above the limiting block (49).

3. The waterproof fog instrument according to claim 1, characterized in that: The defogging assembly (5) includes a movable groove (51) at the bottom of the base (3), a fan (52) is provided in the movable groove (51), a motor (53) is provided at the bottom of the fan (52), a channel (54) and an air outlet (55) are provided in the base (3) and the instrument (1) at the top of the fan (52), the air outlet (55) is connected to the glass cover (2), a fixed seat (56) is provided on the rear surface of the base (3), a torsion spring (58) is rotatably provided in the fixed seat (56), a rotating rod (57) is wound around the surface of the torsion spring (58), a cover plate (59) is provided on the outer wall of the torsion spring (58), and a baffle (510) is provided on the left outer wall of the base (3).

4. The waterproof fog instrument according to claim 2, characterized in that: The protective cover (46) is designed to be transparent, and the seals in the protective cover (46) are all designed to be transparent.

5. The waterproof fog instrument according to claim 2, characterized in that: The limiting block (49) is designed in an L shape, and a through hole adapted to the fixing rod (48) is provided inside the limiting block (49).

6. The waterproof fog instrument according to claim 3, characterized in that: The cover plate (59) is provided with a soft pad on the side surface facing the baffle (510), and the bottom of the cover plate (59) is provided with anti-slip texture.

7. The waterproof fog instrument according to claim 3, characterized in that: The motor (53) has a built-in power supply and is wirelessly connected to an external controller.

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