End cover assembly of industrial instrument

Abstract

The utility model discloses an end cover assembly of an industrial instrument, relates to the technical field of industrial instruments, and provides the following scheme that the end cover assembly comprises a mounting seat, the top of the mounting seat is fixedly connected with an instrument main body, and by arranging an air supply outlet, when the industrial instrument is used daily, in order to improve the convenience of disassembly, assembly and maintenance between an end cover and the instrument, the instrument main body is fixedly connected with the mounting seat; and through the multifunctionality of the end cover in daily connection, the end cover and the instrument can be driven to be installed in a threaded mode through threaded connection of an outer screw and an inner screw, a connecting cover is synchronously inserted into the outer wall of the instrument, and an electric heating wire and an electric fan are turned on, so that heat generated by the electric heating wire is transmitted to the instrument through a conveying opening. And heat is conveyed into a conveying cavity in the connecting cover, heat is conveyed to the surface of instrument scales through an air supply opening, the effect of effectively removing mist generated on the surface of an instrument is achieved, and meanwhile the effect of synchronously blowing off dust on the surface of the instrument is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial instrument technical field especially, relate to an industrial instrument's end cover subassembly. BACKGROUND

[0002] Industrial instrument is a kind of commonly used field industrial control equipment, uses in high pressure, low pressure, acidity, alkalinity, gas, liquid and circuit system, usually for temperature, pressure, flow, weight, speed, etc. Need to detect, measure and adjust position, industrial instrument can automatically complete measurement, record and control work in the case of no one operation, using industrial instrument can also realize information long-distance transmission and data processing, can reproduce reading on the secondary instrument at remote distance, so as to concentrate in central control room and detect, record and control, industrial instrument needs to be seen, seen clearly and seen accurately, also need to be accurate, after using for several years, the data observed is often blurred due to the corrosion of environment, industrial instrument directly contacts with the object to be measured, is prone to corrosion, is not easy to replace.

[0003] According to patent network CN110186492A, an end cover subassembly for industrial instrument is disclosed, which belongs to the technical field of industrial instrument, to solve the problem that industrial instrument and end cover are often integrally formed in the prior art, making it difficult to maintain and replace the industrial instrument. The upper part of the first joint is provided with an external welded pipe, the upper part of the external welded pipe is provided with a buckle, the upper part of the buckle is provided with a first sleeve, the upper part of the first sleeve is provided with a second joint, the upper part of the second joint is provided with a transparent protective shell, the outer surface of the transparent protective shell is provided with a valve, the upper part of the valve is provided with an indication mark, the upper part of the transparent protective shell is provided with a second sleeve, the upper part of the second sleeve is provided with an instrument joint, the upper part of the instrument joint is provided with a bearing, the upper part of the bearing is provided with a base, the upper part of the base is provided with a support, and the upper part of the support is provided with a protective cover.

[0004] However, the end cover of the industrial instrument in the prior art can be conveniently disassembled and used between the end cover and the instrument, but the multifunctionality of the end cover is low, the heating and removal effect of the mist generated on the surface of the instrument is not high, and the synchronous blowing effect of the dust adsorbed on the surface of the instrument is not high, which reduces the clarity of the surface data of the instrument for the operator, and does not meet the use requirements of the people, so an end cover subassembly for industrial instrument is needed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an end cover subassembly for industrial instrument, which solves the problem of low heating and removal effect of the mist generated on the surface of the instrument and low synchronous blowing effect of the dust adsorbed on the surface of the instrument in the prior art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: an end cover subassembly of industrial instrument, including mounting seat, the top fixed connection of mounting seat has instrument main body, the back of instrument main body is detachably connected with end cover main body, the outer wall of end cover main body is provided with outer spiral, the connecting portion of the inner wall of instrument main body and outer spiral is equipped with inner spiral, the outer wall of end cover main body is fixedly connected with connecting rod, one end of connecting rod is fixedly connected with the connecting cover of the sleeve of instrument main body outer wall, the top fixed connection of connecting cover has heating box, the inside of heating box is provided with electric fan, the inside of heating box is provided with electric heating wire on the side of electric fan, the outer wall of heating box is equipped with delivery port, the connecting portion of the outer wall of connecting cover and delivery port is equipped with connecting port, the inner wall of connecting cover is equipped with delivery cavity, the inner side wall of connecting cover is equipped with air supply port.

[0007] Preferably, the inner wall of the heating box is rotatably connected with a worm, one end of the worm is fixedly connected with a servo motor, the outer wall of the worm is engaged with a worm gear rotatably connected with the inner wall of the heating box, and the rotation center of the worm gear is fixedly connected with an adjusting plate rotatably connected with the inner wall of the delivery port through a rotating shaft.

[0008] Preferably, the outer spiral and the inner spiral are threadedly connected, and the inner wall profile of the connecting cover is adapted to the outer wall profile of the instrument main body.

[0009] Preferably, the electric heating wire is arranged at the intermediate position between the electric fan and the delivery port, and the central axis of the delivery port and the central axis of the connecting port are arranged to coincide with each other.

[0010] Preferably, the outer wall profile of the delivery cavity is annular, and the air supply port is annularly arranged on the inner side wall of the connecting cover.

[0011] Preferably, the rotation center of the worm gear and the rotation center of the adjusting plate are arranged to coincide with each other, and the worm gear and the adjusting plate are arranged in one-to-one correspondence.

[0012] Preferably, the connecting portion of the adjusting plate and the delivery port is of a grid shape.

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

[0014] 1. Through the setting of the air outlet, when in daily use of the industrial instrument, in order to improve the convenience of disassembly and maintenance between the end cover and the instrument, and the multifunctionality of the end cover in daily connection, the end cover and the instrument can be threadedly installed through the thread connection of the outer spiral and the inner spiral, and the connecting cover is inserted into the outer wall of the instrument at the same time, and the electric heating wire and the electric fan are opened, so that the heat generated by the electric heating wire is transported into the conveying cavity in the connecting cover through the opening of the conveying port, and the heat is transported to the surface of the instrument scale through the opening of the air outlet, so that the effect of effectively removing the mist generated on the surface of the instrument is achieved, and the effect of synchronously blowing off the dust on the surface of the instrument is achieved.

[0015] 2. Through the setting of the adjusting plate, when the heat is transported through the conveying port, in order to improve the adjusting effect of the heat transport direction, the servo motor is opened to rotate the worm, which drives the worm gear to rotate, and the rotation of the worm gear drives the adjusting plate to synchronously flip along the inner wall of the conveying port, so as to achieve the effect of synchronously adjusting the heat transport direction. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an overall structure schematic view of an end cover assembly of an industrial instrument.

[0017] Figure 2 It is an overall rear view structure schematic view of an end cover assembly of an industrial instrument.

[0018] Figure 3 It is an end cover main body and instrument main body connection explosion structure schematic view of an end cover assembly of an industrial instrument.

[0019] Figure 4 It is an air outlet position distribution structure schematic view of an end cover assembly of an industrial instrument.

[0020] Figure 5 It is a conveying cavity position distribution structure schematic view of an end cover assembly of an industrial instrument.

[0021] Figure 6 It is a worm gear and adjusting plate connection structure schematic view of an end cover assembly of an industrial instrument.

[0022] In the figure: 1, mounting seat; 2, instrument main body; 3, end cover main body; 4, outer spiral; 5, inner spiral; 6, connecting cover; 7, heating box; 8, electric fan; 9, electric heating wire; 10, conveying port; 11, connecting port; 12, conveying cavity; 13, air outlet; 14, worm; 15, servo motor; 16, worm gear; 17, adjusting plate; 18, connecting rod. DETAILED DESCRIPTION

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example 1

[0025] like Figures 1-5 As shown in the figure, an end cap assembly of an industrial instrument includes a mounting base 1. An instrument body 2 is fixedly connected to the top of the mounting base 1. An end cap body 3 is detachably connected to the back of the instrument body 2. An outer spiral 4 is provided on the outer wall of the end cap body 3. An inner spiral 5 is provided at the connection between the inner wall of the instrument body 2 and the outer spiral 4. A connecting rod 18 is fixedly connected to the outer wall of the end cap body 3. A connecting cover 6, which is sleeved on the outer wall of the instrument body 2, is fixedly connected to one end of the connecting rod 18. A heating box 7 is fixedly connected to the top of the connecting cover 6. An electric fan 8 is provided inside the heating box 7. An electric heating wire 9 located on one side of the electric fan 8 is provided inside the heating box 7. A conveying port 10 is provided on the outer wall of the heating box 7. A connecting port 11 is provided at the connection between the outer wall of the connecting cover 6 and the conveying port 10. A conveying cavity 12 is provided on the inner wall of the connecting cover 6. An air outlet 13 is provided on the inner side wall of the connecting cover 6.

[0026] Among them, such as Figure 3 As shown, the outer spiral 4 and the inner spiral 5 are connected by threads. The inner wall contour of the connecting cover 6 is adapted to the outer wall contour of the instrument body 2. This facilitates the easy disassembly and assembly of the end cover through the threaded connection between the outer spiral 4 and the inner spiral 5, thus enabling convenient internal maintenance of the industrial instrument.

[0027] Among them, such as Figure 4 As shown, the electric heating wire 9 is located in the middle of the electric fan 8 and the conveying port 10. The central axis of the conveying port 10 and the central axis of the connecting port 11 are aligned with each other, which facilitates the heat transfer to the instrument surface through the electric heating wire 9 located in the middle of the electric fan 8 and the conveying port 10.

[0028] Among them, such as Figure 5 As shown, the outer wall of the conveying chamber 12 has a ring-shaped outline, and the air outlet 13 is arranged in a ring on the inner side wall of the connecting cover 6. This ring-shaped arrangement of the outer wall of the conveying chamber 12 helps to effectively remove the mist generated on the surface of the instrument, and at the same time, blows off the dust on the surface of the instrument.

[0029] Example 2

[0030] As Figures 1-6 shown in the further embodiment of the present application, the inner wall of the heating box 7 is rotatably connected with a worm 14, one end of the worm 14 is fixedly connected with a servo motor 15, the outer wall of the worm 14 is engaged with a worm gear 16 rotatably connected with the inner wall of the delivery port 10, the rotation center of the worm gear 16 is fixedly connected with an adjusting plate 17 rotatably connected with the inner wall of the delivery port 10, by providing the adjusting plate 17, when the heat is delivered through the delivery port 10, in order to improve the adjusting effect of the heat delivery direction, the servo motor 15 can be turned on to drive the worm 14 to rotate, which drives the worm gear 16 to rotate, and the rotation of the worm gear 16 drives the adjusting plate 17 to synchronously flip along the inner wall of the delivery port 10, achieving the effect of synchronous adjustment of the heat delivery direction.

[0031] As Figure 6 shown, the rotation center of the worm gear 16 coincides with the rotation center of the adjusting plate 17, the worm gear 16 and the adjusting plate 17 are one-to-one corresponding, the adjusting plate 17 forms a flip structure with the delivery port 10 through the worm 14 and the worm gear 16, which is beneficial to the rotation of the worm 14 through the rotation connection of the worm gear 16, driving the adjusting plate 17 to flip along the inner wall of the delivery port 10, effectively adjusting the heat delivery direction.

[0032] As Figure 6 shown, the connecting part of the adjusting plate 17 and the delivery port 10 has a grid-shaped outer wall contour, which is beneficial to the grid-shaped outer wall contour of the connecting part of the adjusting plate 17 and the delivery port 10, achieving the effect of synchronous adjustment of the heat delivery direction.

[0033] In use: first, when the industrial instrument is used daily, in order to improve the convenience of disassembly and maintenance between the end cover and the instrument, and the multifunctionality of the end cover in daily connection, the end cover and the instrument can be threadedly installed through the thread connection of the outer spiral 4 and the inner spiral 5, and the connecting cover 6 is inserted into the outer wall of the instrument at the same time, and the electric heating wire 9 and the electric fan 8 are turned on, so that the heat generated by the electric heating wire 9 is delivered to the delivery cavity 12 in the connecting cover 6 through the opening of the delivery port 10, and the heat is delivered to the surface of the instrument scale through the opening of the air outlet 13, achieving the effect of effectively removing the mist generated on the surface of the instrument, and simultaneously blowing off the dust on the surface of the instrument.

[0034] Finally, when the heat is delivered through the delivery port 10, in order to improve the adjusting effect of the heat delivery direction, the servo motor 15 can be turned on to drive the worm 14 to rotate, which drives the worm gear 16 to rotate, and the rotation of the worm gear 16 drives the adjusting plate 17 to synchronously flip along the inner wall of the delivery port 10, achieving the effect of synchronous adjustment of the heat delivery direction.

[0035] It should be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0036] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An end cap assembly for an industrial instrument, comprising a mounting base (1), characterized in that: The top of the mounting base (1) is fixedly connected to the instrument body (2), and the back of the instrument body (2) is detachably connected to the end cap body (3). The outer wall of the end cap body (3) is provided with an outer spiral (4), and the connection between the inner wall of the instrument body (2) and the outer spiral (4) is provided with an inner spiral (5). The outer wall of the end cap body (3) is fixedly connected to a connecting rod (18), and one end of the connecting rod (18) is fixedly connected to a connecting cover (6) that is sleeved on the outer wall of the instrument body (2). A heating box (7) is fixedly connected to the top of the heating box (7). An electric fan (8) is installed inside the heating box (7). An electric heating wire (9) is installed inside the heating box (7) on one side of the electric fan (8). A conveying port (10) is opened on the outer wall of the heating box (7). A connecting port (11) is opened at the connection between the outer wall of the connecting cover (6) and the conveying port (10). A conveying cavity (12) is opened on the inner wall of the connecting cover (6). An air outlet (13) is opened on the inner side wall of the connecting cover (6).

2. The end cap assembly of an industrial instrument according to claim 1, characterized in that: The inner wall of the heating box (7) is rotatably connected to a worm gear (14), one end of which is fixedly connected to a servo motor (15). The outer wall of the worm gear (14) is engaged with a worm wheel (16) rotatably connected to the inner wall of the heating box (7). The rotation center of the worm wheel (16) is fixedly connected to an adjusting plate (17) rotatably connected to the inner wall of the conveying port (10) via a rotating shaft.

3. The end cap assembly of an industrial instrument according to claim 1, characterized in that: The outer spiral (4) and the inner spiral (5) are connected by a thread, and the inner wall contour of the connecting cover (6) is adapted to the outer wall contour of the instrument body (2).

4. The end cap assembly of an industrial instrument according to claim 1, characterized in that: The electric heating wire (9) is located in the middle of the electric fan (8) and the conveying port (10), and the central axis of the conveying port (10) coincides with the central axis of the connecting port (11).

5. The end cap assembly of an industrial instrument according to claim 1, characterized in that: The outer wall of the conveying cavity (12) is ring-shaped, and the air outlet (13) is arranged in a ring on the inner side wall of the connecting cover (6).

6. The end cap assembly of an industrial instrument according to claim 2, characterized in that: The rotation center of the worm gear (16) and the rotation center of the adjusting plate (17) are arranged to coincide with each other, and the worm gear (16) and the adjusting plate (17) are arranged in a one-to-one correspondence.

7. The end cap assembly of an industrial instrument according to claim 2, characterized in that: The outer wall of the connection between the regulating plate (17) and the conveying port (10) has a grid-like outline.

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