Non-magnetic shell structure of pressure transmitter

Abstract

The utility model relates to the field of mechanical manufacturing, and discloses a non-magnetic shell structure of a pressure transmitter, which comprises a shell mounting frame, a clamping mechanism is mounted on the outer wall of the shell mounting frame, a sealing mechanism is mounted at the top of the shell mounting frame, a bottom shell is detachably connected to the bottom of the shell mounting frame, and a sealing mechanism is mounted at the bottom of the bottom shell. The left side of the shell mounting frame is detachably connected with a left cover, the clamping mechanism comprises a mounting plate, the top of the mounting plate is fixedly connected with a mounting strip, the top of the mounting plate is fixedly connected with a first clamping strip, the inner wall of the first clamping strip is detachably connected with a second clamping strip, and the top of the second clamping strip is fixedly connected with a right cover. According to the utility model, the clamping mechanism is additionally arranged, so that the shells can be spliced and assembled to better protect internal electronic elements, and the shell mounting frame is made of non-magnetic stainless steel, so that interference on a magnetic core and a reed switch in magnetic bar assembly in the assembly button can be effectively prevented.

Description

Technical Field

[0001] This utility model relates to the field of mechanical manufacturing, and in particular to a non-magnetic housing structure for a pressure transmitter. Background Technology

[0002] The non-magnetic housing structure of the pressure transmitter effectively prevents external magnetic fields from interfering with the transmitter's measurement accuracy, ensuring that it can accurately and stably measure pressure signals; it avoids the magnetic field generated by itself from affecting surrounding electronic equipment; it improves the product's adaptability and reliability in complex electromagnetic environments, ensures the accuracy of pressure measurement in industrial production processes, and thus enhances the stability and safety of the entire production system.

[0003] With the continuous advancement of technology and constant product updates, thermal instruments are also constantly being upgraded. Among them, the brands and types of intelligent pressure transmitters are so numerous that users are dazzled. Because the sensors and flanges of intelligent pressure transmitters need to withstand high pressure during operation, the materials for the sensors and flanges are made of stainless steel; the electronic components are installed inside the converter housing, so the converter housing material is generally die-cast aluminum alloy.

[0004] In existing technologies, the housing material of some converters is generally die-cast aluminum alloy. Although the transmitter with the housing material of die-cast aluminum alloy is lightweight and low cost, its explosion-proof performance, sealing performance and housing corrosion resistance are not as good as stainless steel, which limits the application of intelligent pressure transmitters. To address this issue, a non-magnetic housing structure for pressure transmitters is proposed. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a non-magnetic housing structure for a pressure transmitter, aiming to improve the problem that the housing material of some converters in the prior art is generally die-cast aluminum alloy, but its performance limits the application of intelligent pressure transmitters.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A non-magnetic housing structure for a pressure transmitter includes a housing mounting bracket, a locking mechanism installed on the outer wall of the housing mounting bracket, a sealing mechanism installed on the top of the housing mounting bracket, a bottom shell detachably connected to the bottom of the housing mounting bracket, and a left cover detachably connected to the left side of the housing mounting bracket.

[0008] The locking mechanism includes a mounting plate, a mounting strip fixedly connected to the top of the mounting plate, a locking strip one fixedly connected to the top of the mounting plate, a locking strip two detachably connected to the inner wall of the locking strip one, and a right cover fixedly connected to the top of the locking strip two.

[0009] The above technical solution allows for a tight fit when the housing is installed. The second locking strip, fixed to the inner wall of the right cover, is engaged between the first locking strip and the mounting strip on the top of the mounting plate. This locking structure ensures a secure connection between the right cover and the mounting plate, guaranteeing the structural integrity of the housing. Simultaneously, an O-ring seal enhances the sealing performance, effectively preventing external dust and moisture from entering the housing, thus improving its protective effect and safeguarding the internal electronic components.

[0010] As a further description of the above technical solution:

[0011] The sealing mechanism includes a housing mounting bracket, a pressure cap is detachably connected to the top of the housing mounting bracket, a sealing gasket is fixedly connected to the inner wall of the pressure cap, an O-ring is provided on the outer wall of the right cover, and the outer wall of the pressure cap is detachably connected to the outer wall of the O-ring.

[0012] The above technical solution uses a rectangular sealing gasket to seal between the cover and the assembly button. The cover is then fixed to the housing mounting bracket. This sealing method effectively prevents external air, dust, and moisture from entering the housing mounting bracket, ensuring the airtightness of the converter components. The O-ring on the outer wall of the right cover mates with the outer wall of the cover, further enhancing the sealing effect and improving explosion-proof performance, protecting the normal operation of internal electronic components.

[0013] As a further description of the above technical solution:

[0014] The left side of the housing mounting bracket is equipped with left-side electronic components, and the left side of the housing mounting bracket is detachably connected to a left cover.

[0015] Through the above technical solution: the glass fixedly connected to the inner wall of the right cover can provide a certain degree of protection and observation for the right-side electronic components, making it convenient for staff to check the working status of the right-side electronic components. The right-side electronic components fixedly connected to the right side of the housing mounting bracket work together with the left-side electronic components to realize the various functions of the pressure transmitter. At the same time, the sealing structure between the right cover and the housing mounting bracket ensures a good working environment for the right-side electronic components.

[0016] As a further description of the above technical solution:

[0017] The inner wall of the right cover is fixedly connected with glass, and the right side of the housing mounting bracket is fixedly connected with right-side electronic components.

[0018] Through the above technical solution: the outer wall of the second locking strip is detachably connected to the outer wall of the mounting strip, and the outer wall of the second locking strip is slidably connected to the outer wall of the first locking strip. This connection method makes the installation and removal of the right cover more convenient. At the same time, it can fit tightly during installation to ensure the overall structural strength of the shell. Furthermore, the O-ring seal increases the sealing performance and improves the protective effect of the shell.

[0019] As a further description of the above technical solution:

[0020] The outer wall of the second locking strip is detachably connected to the outer wall of the mounting strip, and the outer wall of the second locking strip is slidably connected to the outer wall of the first locking strip;

[0021] The above technical solution utilizes multiple assembly buttons located on the top of the housing mounting bracket for operating and setting the pressure transmitter. The bottom of the sealing gasket contacts the top of the housing mounting bracket, effectively preventing external impurities from entering the assembly buttons and ensuring their normal operation. This also further improves the sealing and explosion-proof performance of the converter components.

[0022] As a further description of the above technical solution:

[0023] The top of the housing mounting bracket is provided with multiple assembly buttons, and the bottom of the sealing gasket is in contact with the top of the housing mounting bracket;

[0024] The above technical solution utilizes multiple assembly buttons located on the top of the housing mounting bracket for operating and setting the pressure transmitter. The bottom of the sealing gasket contacts the top of the housing mounting bracket, effectively preventing external impurities from entering the assembly buttons and ensuring their normal operation. This also further improves the sealing and explosion-proof performance of the converter components.

[0025] As a further description of the above technical solution:

[0026] The inner wall of the gland is threaded with multiple screws, and the outer wall of the multiple screws is threaded to the inner wall of the housing mounting bracket.

[0027] The above technical solution involves multiple screws threaded onto the inner wall of the gland, with the outer wall of the screws threaded onto the inner wall of the housing mounting bracket. This threaded connection method makes the connection between the gland and the housing mounting bracket more robust, capable of withstanding certain pressure and external forces, ensuring the stability of the sealing mechanism, and thus improving the overall sealing and explosion-proof performance of the housing.

[0028] As a further description of the above technical solution:

[0029] The housing mounting bracket has detachable side covers on both the front and rear sides. One of the side covers has a plug fixedly connected to its inner wall, and the other side cover has an electrical connector fixedly connected to its inner wall.

[0030] The above technical solution involves detachable side covers on both the front and rear sides of the housing mounting bracket. A plug fixedly connected to the inner wall of one side cover prevents external air, dust, and moisture from entering the pipes or containers, protecting the instrument's normal operation. An electrical connector fixedly connected to the inner wall of the other side cover allows wires from external devices to be connected to the internal right and left electronic components, enabling the internal electronic components to function normally and fulfill the pressure transmitter's function.

[0031] This utility model has the following beneficial effects:

[0032] 1. In this utility model, the second locking strip, which is fixedly connected to the inner wall of the right cover, is inserted between the first locking strip and the mounting strip at the top of the mounting plate to achieve a tight fit. The sealing performance is increased by the O-ring seal, thereby improving the protective effect of the shell. The electrical connector is used to connect the wires of external devices to the internal right and left electronic components, so that the internal electronic components can function normally through the wires. The shell mounting bracket is made of non-magnetic stainless steel, which can effectively prevent interference with the magnetic core and reed switch in the assembly of the magnetic rod in the assembly button.

[0033] 2. In this utility model, a rectangular sealing gasket is used to seal between the cover and the assembly button. The cover is then fixed to the housing mounting bracket, thereby ensuring the sealing and explosion-proof performance of the converter component. The sealing performance can be guaranteed by connecting and fixing the cover to the housing mounting bracket. Attached Figure Description

[0034] Figure 1 This is a three-dimensional schematic diagram of the non-magnetic housing structure of a pressure transmitter proposed in this utility model.

[0035] Figure 2 This is a schematic diagram of the pressure cap structure of a non-magnetic housing structure for a pressure transmitter proposed in this utility model.

[0036] Figure 3 This is a schematic diagram of the right cover of a non-magnetic housing structure for a pressure transmitter proposed in this utility model.

[0037] Figure 4 This is a schematic diagram of the non-magnetic housing structure of a pressure transmitter proposed in this utility model.

[0038] Figure 5 for Figure 4 Enlarged view of point A in the middle.

[0039] Legend:

[0040] 1. Housing mounting bracket; 2. Engaging mechanism; 21. Mounting plate; 22. Engaging strip one; 23. Engaging strip two; 24. Mounting strip; 25. Right cover; 3. Sealing mechanism; 31. Pressure cap; 32. Sealing gasket; 33. Assembly button; 34. O-ring seal; 4. Glass; 5. Right side electronic components; 6. Bottom shell; 7. Side cover; 8. Plug; 9. Left cover; 10. Left side electronic components; 11. Electrical connector. Detailed Implementation

[0041] 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.

[0042] Reference Figures 3 to 5 This utility model provides an embodiment of a non-magnetic housing structure for a pressure transmitter, including a housing mounting bracket 1. A locking mechanism 2 is installed on the outer wall of the housing mounting bracket 1. The locking mechanism 2 enables tight connection and fixation of the housing components, improving the stability of the overall structure. A sealing mechanism 3 is installed on the top of the housing mounting bracket 1. The sealing mechanism 3 can effectively enhance the sealing performance of the housing and prevent external substances from entering and affecting the internal components. A bottom shell 6 is detachably connected to the bottom of the housing mounting bracket 1. The detachable connection of the bottom shell 6 facilitates maintenance and repair of the internal components.

[0043] The left side of the housing mounting bracket 1 is detachably connected to a left cover 9. The detachable connection of the left cover 9 also facilitates the operation of the components on the left side. The locking mechanism 2 includes a mounting plate 21, which provides a mounting base for the locking components. The top of the mounting plate 21 is fixedly connected to a mounting strip 24, which plays an auxiliary role in locking and positioning. The top of the mounting plate 21 is fixedly connected to a locking strip 22, which, as part of the locking mechanism, cooperates with other components to achieve a tight connection. The inner wall of the locking strip 22 is detachably connected to a locking strip 23, which engages with the inner wall of the locking strip 22 to ensure a tight connection between the components.

[0044] The top of the locking strip 23 is fixedly connected to a right cover 25, which protects the right-side components and seals the right side of the housing. The inner wall of the right cover 25 is fixedly connected to a glass 4, which can be used to observe the working status of the internal components. The right side of the housing mounting bracket 1 is fixedly connected to a right-side electronic component 5, which is an important component for the pressure transmitter to realize its function. The outer wall of the locking strip 23 is detachably connected to the outer wall of the mounting strip 24. This connection method further strengthens the locking stability. The outer wall of the locking strip 23 is slidably connected to the outer wall of the locking strip 1 22. The slidable connection facilitates the installation and removal of the locking strip 23.

[0045] Specifically, the outer wall of the mounting bracket is equipped with a locking mechanism 2, which can tightly connect and fix the outer shell components to ensure the stability of the overall structure; the top sealing mechanism 3 can enhance the sealing performance of the outer shell and prevent external substances from invading the internal components; the bottom of the housing mounting bracket 1 is detachably connected to the bottom shell 6 for easy maintenance of the internal components; the left side is detachably connected to the left cover 9 for easy operation of the left-side components; the locking mechanism 2 includes a mounting plate 21, the top of which is fixed with a mounting strip 24 and a locking strip 1 22; a locking strip 23 cooperates with the two; its outer wall is detachably and slidably connected to the mounting strip 24 and the locking strip 1 22 respectively; the top of the locking strip 23 is connected to the right cover 25; the inner wall of the right cover 25 is fitted with glass 4 for easy observation of the internal components; the right side electronic component 5 is fixed on the right side of the housing mounting bracket 1, which is crucial for the realization of the pressure transmitter function.

[0046] Reference Figures 1 to 3 The sealing mechanism 3 includes a housing mounting frame 1, which is the basic mounting carrier of the sealing mechanism 3. A pressure cover 31 is detachably connected to the top of the housing mounting frame 1. The detachable connection of the pressure cover 31 facilitates the installation and maintenance of the sealing components. A sealing gasket 32 ​​is fixedly connected to the inner wall of the pressure cover 31. The housing mounting frame 1 and the pressure cover 31 are fixedly connected by screws 35. The sealing gasket 32 ​​can enhance the sealing performance between the pressure cover 31 and the housing mounting frame 1. An O-ring 34 is provided on the outer wall of the right cover 25. The O-ring 34 further increases the sealing performance of the housing and prevents external air, moisture, etc. from entering. The outer wall of the pressure cover 31 is detachably connected to the outer wall of the O-ring 34. This connection method ensures a tight fit between the pressure cover 31 and the O-ring 34.

[0047] The left electronic component 10 is installed on the left outer wall of the housing mounting bracket 1. The left electronic component 10 is also an indispensable part of the normal operation of the pressure transmitter. The left cover 9 is detachably connected to the left side of the housing mounting bracket 1. The detachable connection of the left cover 9 facilitates the operation and maintenance of the left electronic component 10. Multiple assembly buttons 33 are provided on the top of the housing mounting bracket 1. The assembly buttons 33 are used to perform related operations and settings of the pressure transmitter. The bottom of the sealing gasket 32 ​​is in contact with the top of the housing mounting bracket 1. The tight contact can better perform the sealing function. Multiple threads are connected to the inner wall of the gland 31. The outer walls of multiple threads are all connected to the inner wall of the housing mounting bracket 1. The threaded connection makes the gland 31 firmly connected to the housing mounting bracket 1, ensuring the sealing performance.

[0048] The front and rear sides of the housing mounting bracket 1 are detachably connected to side covers 7. The detachable side covers 7 facilitate the installation and maintenance of internal components. One side cover 7 has a plug 8 fixedly connected to its inner wall. The plug 8 can prevent external air, dust, moisture, etc. from entering the pipe or container, protecting the normal operation of the instrument. The other side cover 7 has an electrical connector 11 fixedly connected to its inner wall. The electrical connector 11 is used to connect the wires of external equipment to the internal right-side electronic component 5 and left-side electronic component 10, so that the internal electronic components can function normally through the wires.

[0049] Specifically, the top of the housing mounting bracket 1 is detachably connected to a pressure cap 31. The sealing gasket 32 ​​on the inner wall of the pressure cap 31 enhances the seal between it and the housing mounting bracket 1. The outer wall of the pressure cap 31 and the O-ring 34 on the outer wall of the right cover 25 are tightly fitted to effectively prevent the intrusion of external air and moisture. The left outer wall of the housing mounting bracket 1 has a left electronic component 10, which cooperates with the detachable left cover 9 for convenient operation and maintenance of the component. The assembly button 33 on the top is used for transmitter operation settings. The bottom of the sealing gasket 32 ​​is in close contact with the top of the housing mounting bracket 1 to ensure a seal. The pressure cap 31 is firmly connected to the housing mounting bracket 1 by threads. The side covers 7 on the front and rear sides of the housing mounting bracket 1 are detachable. A plug 8 is fixed on the inner wall of one side to prevent external impurities from entering and protecting the instrument. An electrical connector 11 is fixed on the other side to connect external wires to the internal left and right electronic components 5 to ensure the normal operation of the components.

[0050] Working principle: When the outer casing needs to be installed, the locking strip 23, which is fixedly connected to the inner wall of the right cover 25, is inserted between the locking strip 22 and the mounting strip 24 at the top of the mounting plate 21 to achieve a tight fit. The O-ring 34 is used to increase its sealing performance, thereby improving the protective effect of the outer casing. The electrical connector 11 is used to connect the wires of external equipment to the internal right-side electronic component 5 and left-side electronic component 10, so that the internal electronic components can function normally through the wires. The plug 8 is used to prevent external air, dust, moisture, etc. from entering the pipe or container, protecting the normal operation of the instrument.

[0051] To ensure the sealing and explosion-proof performance of the converter components, a rectangular sealing gasket 32 ​​is used to seal between the pressure cover 31 and the assembly button 33. The pressure cover 31 is then fixed to the housing mounting bracket 1. To ensure the sealing and explosion-proof performance of the converter components, the left cover 9, the right cover 25, and the housing mounting bracket 1 are sealed with threads and O-rings 34. To ensure the sealing and explosion-proof performance of the converter components, the plug 8, the electrical connector 11, and the side cover 7 are connected with NPT1 / 2 threads. To effectively avoid interference between the magnetic core and the reed switch in the assembly button 33 due to the stainless steel housing mounting bracket 1, which could cause the button's zeroing and range adjustment operations to fail, the housing mounting bracket 1 is made of non-magnetic stainless steel. The right cover 25 and the left cover 9, which are assembled with the housing mounting bracket 1, are also made of non-magnetic stainless steel.

[0052] Working principle: When the outer casing needs to be installed, the locking strip 23, which is fixedly connected to the inner wall of the right cover 25, is inserted between the locking strip 22 and the mounting strip 24 at the top of the mounting plate 21 to achieve a tight fit. The O-ring 34 is used to increase its sealing performance, thereby improving the protective effect of the outer casing. The electrical connector 11 is used to connect the wires of external equipment to the internal right-side electronic component 5 and left-side electronic component 10, so that the internal electronic components can function normally through the wires. The plug 8 is used to prevent external air, dust, moisture, etc. from entering the pipe or container, protecting the normal operation of the instrument.

[0053] To ensure the sealing and explosion-proof performance of the converter components, a rectangular sealing gasket 32 ​​is used to seal between the pressure cover 31 and the assembly button 33. The pressure cover 31 is then fixed to the housing mounting bracket 1. To ensure the sealing and explosion-proof performance of the converter components, the left cover 9, the right cover 25, and the housing mounting bracket 1 are sealed with threads and O-rings 34. To ensure the sealing and explosion-proof performance of the converter components, the plug 8, the electrical connector 11, and the side cover 7 are connected with NPT1 / 2 threads. To effectively avoid interference between the magnetic core and the reed switch in the assembly button 33 due to the stainless steel housing mounting bracket 1, which could cause the button's zeroing and range adjustment operations to fail, the housing mounting bracket 1 is made of non-magnetic stainless steel. The right cover 25 and the left cover 9, which are assembled with the housing mounting bracket 1, are also made of non-magnetic stainless steel.

[0054] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A non-magnetic housing structure for a pressure transmitter, comprising a housing mounting bracket (1), characterized in that: The outer wall of the housing mounting bracket (1) is equipped with a locking mechanism (2), the top of the housing mounting bracket (1) is equipped with a sealing mechanism (3), the bottom of the housing mounting bracket (1) is detachably connected to a bottom shell (6), and the left side of the housing mounting bracket (1) is detachably connected to a left cover (9). The locking mechanism (2) includes a mounting plate (21), a mounting strip (24) is fixedly connected to the top of the mounting plate (21), a locking strip one (22) is fixedly connected to the top of the mounting plate (21), a locking strip two (23) is detachably connected to the inner wall of the locking strip one (22), and a right cover (25) is fixedly connected to the top of the locking strip two (23).

2. The non-magnetic housing structure of a pressure transmitter according to claim 1, characterized in that: The sealing mechanism (3) includes a housing mounting bracket (1), a pressure cap (31) is detachably connected to the top of the housing mounting bracket (1), a sealing gasket (32) is fixedly connected to the inner wall of the pressure cap (31), and an O-ring (34) is provided on the outer wall of the right cover (25). The outer wall of the pressure cap (31) is detachably connected to the outer wall of the O-ring (34).

3. The non-magnetic housing structure of a pressure transmitter according to claim 1, characterized in that: The left electronic component (10) is mounted on the left outer wall of the housing mounting bracket (1), and the left cover (9) is detachably connected to the left side of the housing mounting bracket (1).

4. The non-magnetic housing structure of a pressure transmitter according to claim 1, characterized in that: The inner wall of the right cover (25) is fixedly connected with glass (4), and the right side of the housing mounting bracket (1) is fixedly connected with right side electronic components (5).

5. The non-magnetic housing structure of a pressure transmitter according to claim 1, characterized in that: The outer wall of the second locking strip (23) is detachably connected to the outer wall of the mounting strip (24), and the outer wall of the second locking strip (23) is slidably connected to the outer wall of the first locking strip (22).

6. The non-magnetic housing structure of a pressure transmitter according to claim 2, characterized in that: The top of the housing mounting bracket (1) is provided with a plurality of assembly buttons (33), and the bottom of the sealing gasket (32) is in contact with the top of the housing mounting bracket (1).

7. The non-magnetic housing structure of a pressure transmitter according to claim 6, characterized in that: The inner wall of the pressure cap (31) is threaded with a plurality of screws (35), and the outer walls of the plurality of screws (35) are threaded to the inner wall of the housing mounting bracket (1).

8. The non-magnetic housing structure of a pressure transmitter according to claim 1, characterized in that: The housing mounting bracket (1) has side covers (7) that can be detachably connected to both the front and rear sides. One of the side covers (7) has a plug (8) fixedly connected to its inner wall, and the other side cover (7) has an electrical connector (11) fixedly connected to its inner wall.

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