Waterproof pressure transmitter

Abstract

The utility model provides a waterproof pressure transmitter. According to the waterproof pressure transmitter, an installation shell is installed on the outer surface of the pressure transmitter, a display meter is arranged on the front face of the pressure transmitter, an internal thread groove is formed in the front face of the installation shell, a sealing ring is arranged in the internal thread groove, an external thread ring is in threaded connection with the interior of the internal thread groove, and the external thread ring is in threaded connection with the front face of the installation shell. The front surface of the external thread ring is fixedly connected with a sealing cover, the front surface of the sealing cover is provided with a through installation port, the inner surface of the installation port is provided with an observation plate, the front surface of the installation shell is provided with a sealing gasket, and the supporting pipe is installed at the bottom of the pressure transmitter. According to the waterproof pressure transmitter provided by the utility model, the waterproof performance of the pressure transmitter can be improved through the structure, and the influence of water vapor on internal components of the pressure transmitter can be reduced by adopting a material with better moisture absorption as the material of the mounting shell.

Description

Technical Field

[0001] The utility model relates to the technical field of waterproof pressure transmitters, in particular to a waterproof pressure transmitter. Background Art

[0002] A waterproof pressure transmitter is a device that can convert the specific pressure parameters of the gas or liquid to be measured into electrical signals through a pressure measuring element, and transmit them to instruments such as recorders and early warning devices. It can also change the pressure parameters of the gas or liquid to be measured through remote information adjustment switches, and perform tests and records again.

[0003] A pressure transmitter is a device that converts pressure into pneumatic or electric signals for control and remote transmission. It can convert the sensed physical pressure parameters of gas, liquid, etc. into standard electrical signals, which are then supplied to secondary instruments such as indicator alarms, recorders, and regulators for measurement, indication, and process regulation.

[0004] The pressure transmitter is composed of precision components, and the lens of the existing waterproof pressure transmitter is mounted on the end cover by adhesive. However, after long-term use, the adhesive on the lens falls off, causing a gap between the lens and the end cover, causing water vapor to enter the pressure transmitter and shortening the service life of the pressure transmitter.

[0005] Therefore, it is necessary to provide a waterproof pressure transmitter to solve the above technical problems. Utility Model Content

[0006] The utility model provides a waterproof pressure transmitter, which solves the problem that after long-term use of a lens of a waterproof pressure transmitter installed by adhesive, there is a gap between the rear end cover, causing water vapor to enter the pressure transmitter and shortening the service life of the pressure transmitter.

[0007] In order to solve the above technical problems, the utility model provides a waterproof pressure transmitter comprising: a pressure transmitter;

[0008] a mounting shell, the mounting shell being mounted on the outer surface of the pressure transmitter, a display being provided on the front of the pressure transmitter, an internal thread groove being provided on the front of the mounting shell, a sealing ring being provided inside the internal thread groove, an external thread ring being connected to the internal thread of the internal thread groove, a sealing cover being fixedly connected to the front of the external thread ring, a through mounting opening being provided on the front of the sealing cover, an observation plate being installed on the inner surface of the mounting opening, and a sealing gasket being provided on the front of the mounting shell;

[0009] A support tube, the support tube being mounted on the bottom of the pressure transmitter, a plurality of buffer pads being mounted on the bottom of the buffer pads, a mounting ring being mounted on the bottom end of the mounting ring, and a through-hole being formed on the bottom end of the mounting ring;

[0010] The mounting shell is mounted on the outer surface of the pressure transmitter using waterproof glue. The observation plate is fixed to the inside of the mounting port using waterproof glue. The sealing gasket is located between the sealing cover and the mounting shell. The mounting shell is made of moisture-absorbing material, and the through-hole is for the support tube to pass through.

[0011] Preferably, four ear blocks are fixedly connected to the outer surface of the mounting ring, and the tops of the ear blocks are each provided with a mounting opening;

[0012] Thereby, the mounting ring is installed in the corresponding position, thereby increasing the stability of the pressure transmitter.

[0013] Preferably, the other end of the support tube is fixedly connected to a connector, and the other end of the connector is provided with a flange.

[0014] Preferably, a support plate is provided on the bottom end of the outer surface of the pressure transmitter, and a protective cover is fixedly connected to the top of the support plate;

[0015] The protective cover can increase the protection of the pressure transmitter, and the support plate is clamped to the outer surface of the pressure transmitter.

[0016] Preferably, the front of the support plate is provided with a port for clamping on the outer surface of the pressure transmitter, and the front of the protective cover is provided with a sealing plate;

[0017] The opening on the front of the support plate is for easy installation on the outer surface of the sealing plate.

[0018] Preferably, a clamping ring is fixedly connected to the bottom of the back of the sealing plate, and a handle is fixedly connected to the front of the sealing plate;

[0019] The handle is used to facilitate the removal of the sealing plate from the front of the protective cover.

[0020] Compared with related technologies, the waterproof pressure transmitter provided by the present invention has the following beneficial effects:

[0021] The utility model provides a waterproof pressure transmitter. In order to enhance the waterproof performance of the pressure transmitter, a mounting shell is first installed on the outer surface of the pressure transmitter, and the display meter of the pressure transmitter is directed toward the opening of the mounting shell. The opening of the mounting shell is provided with an internal thread groove. Then, the opening of the mounting shell is sealed by a sealing cover with a sealing ring and an external thread ring. An observation plate is installed inside the mounting opening on the sealing cover by means of sealant, so that information on the display meter inside the mounting shell can be observed through the observation plate. A sealing gasket is provided between the sealing cover and the mounting shell to enhance the sealing performance between the sealing cover and the mounting shell. The waterproof performance of the pressure transmitter can be enhanced by this structure, and the use of a material with good moisture absorption as the material of the mounting shell can reduce the influence of water vapor on the internal components of the pressure transmitter. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic structural diagram of a preferred embodiment of the waterproof pressure transmitter provided by the present utility model;

[0023] Figure 2 Provides a structural schematic diagram of a support plate for the utility model;

[0024] Figure 3 Provides a structural diagram of a pressure transmitter for the utility model;

[0025] Figure 4 Provided for the utility model Figure 2 An enlarged view of point A is shown;

[0026] Figure 5 Provided for the utility model Figure 2 An enlarged view of point B is shown.

[0027] Numbers in the figure: 1. Mounting ring, 2. Support plate, 3. Sealing plate, 4. Handle, 5. Protective cover, 6. Ear block, 7. Support tube, 8. Connector, 9. Flange, 10. Mounting hole, 11. Retaining ring, 12. Mounting shell, 13. Pressure transmitter, 14. Internal thread groove, 15. Sealing ring, 16. Sealing gasket, 17. External thread ring, 18. Sealing cover, 19. Observation plate, 20. Mounting port, 21. Display meter, 22. Through port, 23. Buffer pad. DETAILED DESCRIPTION

[0028] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0029] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of the waterproof pressure transmitter provided by the present utility model; Figure 2 Provides a structural schematic diagram of a support plate for the utility model; Figure 3 Provides a structural diagram of the mounting base for the utility model; Figure 4 Provided for the utility model Figure 2 An enlarged view of point A is shown; Figure 5 Provided for the utility model Figure 2 An enlarged view of point B is shown. The waterproof pressure transmitter comprises: a pressure transmitter 13;

[0030] A mounting shell 12 is mounted on the outer surface of a pressure transmitter 13. A display meter 21 is provided on the front of the pressure transmitter 13. An internal thread groove 14 is provided on the front of the mounting shell 12. A sealing ring 15 is provided inside the internal thread groove 14. An external thread ring 17 is connected to the internal thread of the internal thread groove 14. A sealing cover 18 is fixedly connected to the front of the external thread ring 17. A through-mounting port 20 is provided on the front of the sealing cover 18. An observation plate 19 is mounted on the inner surface of the mounting port 20. A sealing gasket 16 is provided on the front of the mounting shell 12.

[0031] A support tube 7 is installed at the bottom of the pressure transmitter 13. A plurality of buffer pads 23 are installed at the bottom of the buffer pads 23. A mounting ring 1 is installed at the bottom end of the mounting ring 1. A through-hole 22 is opened at the bottom end of the mounting ring 1.

[0032] The mounting shell 12 is mounted on the outer surface of the pressure transmitter 13 using waterproof glue. The observation plate 19 is fixed to the inside of the mounting opening 20 using waterproof glue. The sealing gasket 16 is located between the sealing cover 18 and the mounting shell 12. The mounting shell 12 is made of moisture-absorbing material. The opening is for facilitating the passage of the support tube 7. The working mode and principle of the pressure transmitter 13 are both existing technologies.

[0033] Four ear blocks 6 are fixedly connected to the outer surface of the mounting ring 1, and the tops of the ear blocks 6 are each provided with a mounting opening 20;

[0034] The mounting opening 20 is for facilitating the passage of bolts, thereby mounting the mounting ring 1 at a corresponding position and increasing the stability of the pressure transmitter 13 .

[0035] The other end of the support tube 7 is fixedly connected to a connector 8, and the other end of the connector 8 is provided with a flange 9;

[0036] The flange 9 facilitates the connection between the support pipe 7 and the corresponding equipment.

[0037] A support plate 2 is provided on the bottom of the outer surface of the pressure transmitter 13, and a protective cover 5 is fixedly connected to the top of the support plate 2;

[0038] The protective cover 5 can increase the protection of the pressure transmitter 13. The support plate 2 is clamped to the outer surface of the pressure transmitter 13 and can be supported by a ring with bolts if necessary.

[0039] The front of the support plate 2 is provided with a port that is clamped on the outer surface of the pressure transmitter 13, and the front of the protective cover 5 is provided with a sealing plate 3;

[0040] The opening on the front of the support plate 2 is for facilitating its installation on the outer surface of the sealing plate 3 .

[0041] A snap ring 11 is fixedly connected to the bottom of the back of the sealing plate 3, and a handle 4 is fixedly connected to the front of the sealing plate 3;

[0042] The clamping ring 11 can seal the opening on the front side of the supporting plate 2 , and the handle 4 is used to facilitate the removal of the sealing plate 3 from the front side of the protective cover 5 .

[0043] The working principle of the waterproof pressure transmitter provided by this utility model is as follows:

[0044] First, a mounting shell 12 is installed on the outer surface of the pressure transmitter 13, and the display meter 21 of the pressure transmitter 13 is facing the opening of the mounting shell 12. The opening of the mounting shell 12 is provided with an internal thread groove 14. Then, the opening of the mounting shell 12 is sealed by a sealing cover 18 with a sealing ring 15 and an external thread ring 17. The observation plate 19 is installed inside the mounting port 20 on the sealing cover 18 with sealant, so that the information on the display meter 21 inside the mounting shell 12 can be observed through the observation plate 19. A sealing gasket 16 is provided between the sealing cover 18 and the mounting shell 12 to increase the sealing between the sealing cover 18 and the mounting shell 12.

[0045] Compared with related technologies, the waterproof pressure transmitter provided by the present invention has the following beneficial effects:

[0046] In order to enhance the waterproofness of the pressure transmitter, a mounting shell 12 is first installed on the outer surface of the pressure transmitter 13, and the display meter 21 of the pressure transmitter 13 is directed toward the opening of the mounting shell 12. An internal thread groove 14 is provided at the opening of the mounting shell 12. Then, the opening of the mounting shell 12 is sealed by a sealing cover 18 with a sealing ring 15 and an external thread ring 17. An observation plate 19 is installed inside the mounting port 20 on the sealing cover 18 with sealant, so that the information on the display meter 21 inside the mounting shell 12 can be observed through the observation plate 19. A sealing gasket 16 is provided between the sealing cover 18 and the mounting shell 12 to increase the sealing between the sealing cover 18 and the mounting shell 12. This structure can enhance the waterproofness of the pressure transmitter 12, and using a material with good moisture absorption as the material of the mounting shell 12 can reduce the influence of water vapor on the internal components of the pressure transmitter 12.

[0047] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A waterproof pressure transmitter, characterized in that: include: Pressure transmitter; a mounting shell, the mounting shell being mounted on the outer surface of the pressure transmitter, a display being provided on the front of the pressure transmitter, an internal thread groove being provided on the front of the mounting shell, a sealing ring being provided inside the internal thread groove, an external thread ring being connected to the internal thread of the internal thread groove, a sealing cover being fixedly connected to the front of the external thread ring, a through mounting opening being provided on the front of the sealing cover, an observation plate being installed on the inner surface of the mounting opening, and a sealing gasket being provided on the front of the mounting shell; A support tube is installed at the bottom of the pressure transmitter. A plurality of buffer pads are installed at the bottom of the pressure transmitter. A mounting ring is installed at the bottom end of the buffer pad. A through hole is opened at the bottom end of the mounting ring.

2. The waterproof pressure transmitter according to claim 1, characterized in that: Four ear blocks are fixedly connected to the outer surface of the mounting ring, and the tops of the ear blocks are each provided with a mounting opening.

3. The waterproof pressure transmitter according to claim 1, characterized in that: The other end of the support tube is fixedly connected with a connector, and the other end of the connector is provided with a flange.

4. The waterproof pressure transmitter according to claim 1, characterized in that: A supporting plate is provided on the bottom end of the outer surface of the pressure transmitter, and a protective cover is fixedly connected to the top of the supporting plate.

5. The waterproof pressure transmitter according to claim 4, characterized in that: The front of the supporting plate is provided with an opening which is clamped on the outer surface of the pressure transmitter, and the front of the protective cover is provided with a sealing plate.

6. The waterproof pressure transmitter according to claim 5, characterized in that: A clamping ring is fixedly connected to the bottom of the back of the sealing plate, and a handle is fixedly connected to the front of the sealing plate.

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