CN211262573U

CN211262573U - High-protection pressure transmitter

Info

Publication number: CN211262573U
Application number: CN201922485943.9U
Authority: CN
Inventors: 于春玲; 於文刚
Original assignee: Nanjing Anpao Automation Equipment Co ltd
Current assignee: Nanjing Anpao Automation Equipment Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-14
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a high protective pressure transmitter, which comprises a shell, two upper opening plates and a bottom plate, wherein the shell is provided with a hollow inner cavity, one side of the two upper opening plates is hinged at the inner side of the top of the shell through a rotating shaft, the two upper opening plates and the top of the shell form a closed plane, the shell is positioned at two sides of the rotating shaft and is provided with a guide rail, a slide block is arranged in the guide rail in a sliding way, the middle part of the slide block is provided with a screw rod in a penetrating way, the screw rod extends to the inner cavity of the shell from outside to inside, the screw rod positioned at the outer part of the shell is provided with a locking sleeve in a threaded way, the end part of the screw rod positioned in the inner cavity of the shell is provided with a fixing support in a threaded way, the utility model has simple design, solves the damage that the smoke dust is easy to cause the, the damage rate of the pressure transmitter due to environmental factors is reduced.

Description

High-protection pressure transmitter

Technical Field

The utility model relates to a pressure transmitter technical field especially relates to pressure transmitter of high protectiveness.

Background

A pressure transmitter is a device that converts pressure into a pneumatic signal or an electric signal for control and remote transmission. The pressure sensor can convert physical pressure parameters of gas, liquid and the like sensed by the pressure element sensor into standard electric signals such as 4-20 mADC and the like so as to supply secondary instruments such as an indication alarm instrument, a recorder, a regulator and the like for measurement, indication and process regulation. The pressure transmitter is the most common sensor in industrial practice, is widely applied to various industrial automatic control environments, and relates to various industries such as water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, military industry, petrochemical industry, oil wells, electric power, ships, machine tools, pipelines and the like. However, under the current situation, the working environment of the pressure transmitter is complex, and the smoke easily causes damages such as circuit breaking and the like to the pressure transmitter.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. For this reason, the utility model discloses an aim at provides pressure transmitter of high protectiveness, the utility model relates to a simply, solved easily to lead to the harm that opens circuit to pressure transmitter at the smoke and dust through the sealed protection to pressure transmitter, added the radiator simultaneously and made pressure transmitter also can work for a long time in the casing under high temperature, reduced pressure transmitter because the spoilage of the factor of environment.

According to the embodiment of the utility model, the pressure transmitter with high protection comprises a shell, two upper opening plates and a bottom plate, wherein the upper opening plates are two flat plates with the same size, the shell is provided with a hollow inner cavity, one side of the two upper opening plates is hinged at the inner side of the top of the shell through a rotating shaft, the two upper opening plates and the top of the shell form a closed plane, the upper opening plates are provided with a first mounting hole, the bottom plate is fixedly arranged at the bottom of the shell, the bottom plate is provided with a second mounting hole, the shell is arranged at two sides of the rotating shaft and is provided with a guide rail, a slide block is arranged in the guide rail in a sliding way, the middle part of the slide block is provided with a screw rod in a penetrating way, the screw rod extends to the inner cavity of the shell from outside to inside, the end part of the screw rod which is positioned, and a fixing support is arranged at the end part of the screw rod in the inner cavity of the shell in a threaded manner.

Preferably, the other side of the shell relative to the guide rail is provided with an observation port, and an observation window is arranged on the observation port.

Preferably, a rubber sealing sheet is mounted on the first mounting opening.

Preferably, a rubber sealing sheet is mounted on the second mounting opening.

Preferably, a sealing strip is bonded on the inner side of the upper opening plate.

Preferably, a radiator is installed on the shell on the opposite side of the observation window, and a power line is arranged on the radiator.

The utility model provides a beneficial effect is:

the upper opening plate at the top of the shell is opened upwards, the pressure transmitter is placed in an inner cavity of the shell, the screw rod is rotated through the handle, the fixing supports at the two ends are rotated towards the direction of the pressure transmitter positioned at the center, the inner side of the fixing support is fixed on a main body of the pressure transmitter, then the screw rod is continuously rotated, and the end part of the screw rod and the fixing support are also fixed in a threaded manner, so that the screw rod can continuously rotate inwards while the fixing support fixes the pressure transmitter until the pressure transmitter is completely fixed, the screw rod is fixed by rotating the locking sleeve, and at the moment, the pressure transmitter is fixed;

the pressure transmitter is moved upwards through the handle, the upper opening plate is opened upwards at the moment, the top mounting end of the pressure transmitter is exposed, the pipeline is inserted from the first mounting port downwards from the top and then pulled out from the bottom of the upper opening plate to be mounted on the top mounting end of the pressure transmitter, the pressure transmitter is moved downwards through the handle, the bottom mounting end of the pressure transmitter is exposed from the second mounting port, the pipeline is mounted on the bottom mounting end of the pressure transmitter to complete mounting, and finally the pressure transmitter is moved into the inner cavity of the shell through the handle to form sealing protection for the pressure transmitter;

the utility model relates to a simply, solved easily to lead to the harm that opens circuit to pressure transmitter at the smoke and dust through the sealed protection to pressure transmitter, added the radiator simultaneously and made pressure transmitter also can work for a long time in the casing under high temperature, reduced pressure transmitter because the spoilage of the factor of environment.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a highly protective pressure transmitter according to the present invention;

fig. 2 is a schematic diagram of an internal structure of the highly protective pressure transmitter according to the present invention;

fig. 3 is a schematic diagram of a partially enlarged structure of the highly protective pressure transmitter according to the present invention;

fig. 4 is a schematic diagram of the internal structure of the high-protection pressure transmitter of the present invention, in which the guide rail and the slider are engaged;

fig. 5 is a schematic diagram of an external structure of a high-protection pressure transmitter with a matched guide rail and a matched slide block;

fig. 6 is a schematic structural diagram of the high-protection pressure transmitter of the present invention with a heat sink.

In the figure: 1-shell, 2-upper opening plate, 3-bottom plate, 4-observation window, 5-guide rail, 6-locking sleeve, 7-handle, 8-rubber sealing sheet, 9-first mounting port, 10-sealing strip, 11-rotating shaft, 12-second mounting port, 13-fixing support, 14-screw, 15-sliding block, 16-radiator and 17-power line.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-5, a high protective pressure transmitter comprises a housing 1, two upper opening plates 2 and a bottom plate 3, wherein the upper opening plates 2 are two flat plates with the same size, the housing 1 is provided with a hollow inner cavity, one side of each of the two upper opening plates 2 is hinged to the inner side of the top of the housing 1 through a rotating shaft 11, the two upper opening plates 2 and the top of the housing 1 form a closed plane, the bottoms of the two flat plates can be further provided with springs, one end of each spring is installed at the bottom of the upper opening plate 2, the other end of each spring is installed on the inner wall of the housing 1, so that the upper opening plates 2 can be opened and closed more conveniently, the upper opening plates 2 are provided with first installation ports 9, the bottom plate 3 is fixedly installed at the bottom of the housing 1, the bottom plate 3 is provided with second installation ports 12, the housing 1 is provided with guide rails 5 at two sides of the rotating shaft 11, a slide block 15 is installed in, internal threads are formed in the middle of the sliding block 15 and matched with the screw 14, the end part of the screw 14, located outside the shell 1, is fixedly connected with the handle 7, the locking sleeve 6 is installed on the screw 14, located outside the shell 1, of the end part of the screw 14, located in the inner cavity of the shell 1, is provided with the fixing support 13, the pressure transmitter is fixedly installed between the two fixing supports 13, the contact surface of the fixing support 13 and the pressure transmitter is completely matched with the pressure transmitter, the side area of the fixing support 13 is three fourths of the side arc line of the pressure transmitter, the pressure transmitter can be freely moved up and down through the handle after the fixing support 13 is fixed, and the pressure transmitter can be separated from the fixing support 13 in the moving process.

The observation port has been seted up to the opposite side of casing 1 relative guide rail 5, installs observation window 4 on the observation port, and the design of observation window 4 makes things convenient for operating personnel to observe the record to the display screen on the pressure transmitter.

Install rubber seal piece 8 on first installing port 9, install rubber seal piece 8 on second installing port 12, rubber seal piece 8 on first installing port 9 is the same with the rubber seal piece 8 mounting structure on second installing port 12, be the cockscomb structure annular and install on the inner wall of installing port, rubber seal piece 8 is opened from the center when the pipeline passes the installing port, rubber seal piece 8 reconversion when the pipeline withdraws, the diameter that big or small radius installed the pipe according to actual need can set up to the difference on first installing port 9 and the second installing port 12.

The sealing strip 10 is bonded on the inner side of the upper opening plate 2, so that the damage of the pressure transmitter caused by the fact that smoke dust enters the shell 1 and the like can be better prevented.

Referring to fig. 6, in another embodiment of the present invention, in order to prevent the pressure transmitter from being damaged by too high temperature when the pressure transmitter works in a high temperature environment, a heat sink 16 is installed on the housing 1 opposite to the observation window 4, and the heat sink 16 may be a heat dissipation fan. The heat sink 16 is provided with a power cord 17 for continuously supplying power to the heat sink 16.

The principle of the working process is as follows:

the upper opening plate 2 at the top of the shell 1 is opened upwards, the pressure transmitter is placed in an inner cavity of the shell 1, the screw 14 is rotated through the handle 7, the fixing supports 13 at two ends are rotated towards the pressure transmitter positioned at the center, the inner sides of the fixing supports 13 are fixed on a main body of the pressure transmitter, then the screw 14 is continuously rotated, and because the end parts of the screw 14 and the fixing supports 13 are also fixed in a threaded manner, the screw 14 can continuously rotate inwards while the fixing supports 13 fix the pressure transmitter until the pressure transmitter is completely fixed, the screw 14 is fixed by rotating the locking sleeve 6, and at the moment, the pressure transmitter is fixed;

the pressure transmitter is moved upwards through the handle 7, the upper opening plate 2 is opened upwards at the moment, the top mounting end of the pressure transmitter is exposed, the pipeline is inserted from the first mounting port 9 from top to bottom and then pulled out from the bottom of the upper opening plate 2 to be mounted on the top mounting end of the pressure transmitter, the pressure transmitter is moved downwards through the handle 7, the bottom mounting end of the pressure transmitter is exposed from the second mounting port 12, the pipeline is mounted on the bottom mounting end of the pressure transmitter to complete mounting, and finally the pressure transmitter is moved into the inner cavity of the shell 1 through the handle 7 to form sealing protection for the pressure transmitter;

the utility model relates to a simply, solved easily to lead to the harm that opens circuit at pressure transmitter at the smoke and dust through the sealed protection to pressure transmitter, added radiator 16 simultaneously and made pressure transmitter also can be in casing 1 interior long-time work under the high temperature, reduced pressure transmitter because the spoilage of the factor of environment.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A high protectiveness pressure transmitter, characterized in that: open board and bottom plate on casing, two, hollow inner chamber has been seted up to the casing, two one side of the board of opening on is inboard and two at casing top through pivot hinged joint the board of opening on forms a confined plane with the casing top, the first installing port has been seted up on the board of opening on, bottom plate fixed mounting is in the bottom of casing, the second installing port has been seted up on the bottom plate, the casing is located the both sides of pivot and has been seted up the guide rail, slidable mounting has the slider in the guide rail, the slider middle part runs through to install screw rod and screw rod outside-in and extend to the casing inner chamber, is located the casing outside screw rod tip fixedly connected with handle is located the casing outside the lock sleeve is installed to the screw rod upper thread, be located the casing inner chamber screw rod tip thread is installed fixed and is held in the.

2. The highly protective pressure transmitter of claim 1, wherein: the other side of the shell relative to the guide rail is provided with an observation port, and an observation window is arranged on the observation port.

3. The highly protective pressure transmitter of claim 1, wherein: and the first mounting opening is provided with a rubber sealing sheet.

4. The highly protective pressure transmitter of claim 1, wherein: and the second mounting opening is provided with a rubber sealing sheet.

5. The highly protective pressure transmitter of claim 1, wherein: and a sealing strip is bonded on the inner side of the upper opening plate.

6. The highly protective pressure transmitter of claim 2, wherein: and a radiator is arranged on the shell at the opposite side of the observation window, and a power line is arranged on the radiator.