Pressure transmitter capable of preventing pressure impact

Abstract

The utility model relates to the technical field of pressure transmitters, and discloses a pressure transmitter capable of preventing pressure impact, which comprises a pressure transmitter body, the bottom of the pressure transmitter body is in threaded connection with a connecting pipe, the inner wall of the connecting pipe is provided with a buffer mechanism, and the top of the buffer mechanism is provided with a shielding mechanism. Through the buffer mechanism, when high-strength air flow enters the pressure transmitter body through the connecting pipe, the high-strength air flow passes through the circular leakage plate, and the circular leakage plate is used for shielding and buffering the high-strength air flow, so that the high-strength air flow cannot directly enter the pressure transmitter body, and the circular leakage plate is influenced by the buffer to relieve the impact effect; therefore, the damage caused by impact of high-strength airflow on the circular bushing plate is reduced, the direct action of airflow pressure impact on key parts in the pressure transmitter body is reduced, the risk of damage to the parts is reduced, and the overall service life of the pressure transmitter body is further prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure transmitter technical field, concretely is a kind of pressure transmitter of anti-pressure impact. BACKGROUND

[0002] Pressure transmitter is a kind of pressure conversion into pneumatic signal or electric signal control and remote transmission equipment, it can be the physical pressure parameter such as gas, liquid that pressure sensing element sensor senses is changed into standard electric signal, to give indicating alarm instrument, recording instrument, regulator Secondary instrument is measured, indicated and process regulation, so that the transmission effect of gas is better.

[0003] In typical walking machinery and industrial hydraulic, if not considering instantaneous impact and high-frequency impact and other extreme conditions when designing, any conventional pressure sensor can be damaged by instantaneous strong airflow impact, which requires us to use impact-resistant pressure sensor. Strain chip pressure sensor has 1.5 times full-scale impact resistance, but in actual application, the moment of starting of pneumatic equipment is still easy to break down the sensor. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of pressure transmitter of anti-pressure impact to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of pressure transmitter of anti-pressure impact, including pressure transmitter body, the bottom of the pressure transmitter body is connected with connecting pipe by screw thread, the inner wall of the connecting pipe is provided with buffer mechanism, the top of the buffer mechanism is provided with shielding mechanism;

[0006] The buffer mechanism includes first fixed block, the first fixed block is fixedly connected to the inner wall of connecting pipe near bottom end, the inner wall of the connecting pipe is fixedly connected with second fixed block, the top of the first fixed block is fixedly connected with slide bar, the surface of the slide bar is slidably connected with circular drain plate, buffer spring is sleeved between the surface of the slide bar and the first fixed block and circular drain plate.

[0007] Preferably, the top of the slide bar is fixedly connected to the top of the second fixed block, and the second fixed block is located above the first fixed block.

[0008] Preferably, the bottom of the buffer spring is fixedly connected to the top of the first fixed block, and the top of the buffer spring is fixedly connected to the bottom of the circular drain plate.

[0009] Preferably, the shielding mechanism comprises a third fixed block, the third fixed block is fixedly connected to the left and right sides of the top of the circular leakage plate, a first rotating shaft is arranged on the surface of the third fixed block, a connecting block is fixedly connected to the middle of the surface of the first rotating shaft, a semicircular plate is fixedly connected to one end of the connecting block, a second rotating shaft is arranged on the top of the circular leakage plate, a connecting shaft is fixedly connected to the top of the second rotating shaft, and a fan group is fixedly connected to the top of the connecting shaft.

[0010] Preferably, a hole matched with the first rotating shaft is formed in the surface of the third fixed block, and the surface of the first rotating shaft is rotatably connected in the hole.

[0011] Preferably, a hole matched with the second rotating shaft is formed in the top of the circular leakage plate, and the surface of the second rotating shaft penetrates and is rotatably connected in the hole.

[0012] Preferably, a semicircular hole is formed in the side close to the connecting shaft of the semicircular plate, and the diameter of the semicircular hole is greater than the diameter of the connecting shaft.

[0013] Compared with the prior art, the utility model provides a pressure transmitter of preventing pressure impact has the following beneficial effects:

[0014] The pressure transmitter of preventing pressure impact, through the buffering mechanism, when the high-intensity airflow enters the pressure transmitter body through the connecting pipe, will pass through the circular leakage plate, uses the circular leakage plate to shield and buffer the high-intensity airflow, makes the high-intensity airflow not directly enter the pressure transmitter body, and the circular leakage plate is affected by the buffering and slows down the buffering effect, thereby reducing the damage caused by the impact of the high-intensity airflow on the circular leakage plate, reducing the direct effect of the airflow pressure impact on the key components inside the pressure transmitter body, reducing the risk of component damage, and prolonging the overall service life of the pressure transmitter body.

[0015] The pressure transmitter of preventing pressure impact, through the shielding mechanism, the airflow enters the pressure transmitter body through the hole in the circular leakage plate, blows the two semicircular plates, opens the two semicircular plates, and makes the airflow flow upward, and the airflow in the flow drives the fan group to rotate, thereby reducing the flow speed of the airflow. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed in the embodiment description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor:

[0017] Figure 1 It is a three-dimensional schematic view of the structure of the utility model;

[0018] Figure 2 It is the surface section view solid schematic diagram of the connecting pipe of the utility model structure;

[0019] Figure 3 It is the solid schematic diagram of the buffer mechanism of the utility model structure;

[0020] Figure 4 It is the enlarged solid schematic diagram of the buffer mechanism of the utility model structure;

[0021] Figure 5 It is the solid schematic diagram of the shielding mechanism of the utility model structure;

[0022] Figure 6 It is the surface section view solid schematic diagram of the round leakage plate of the utility model structure.

[0023] In the figure: 1, pressure transmitter body;2, connecting pipe;3, buffer mechanism;31, first fixed block;32, second fixed block;33, slide bar;34, round leakage plate;35, buffer spring;4, shielding mechanism;41, third fixed block;42, first rotating shaft;43, connecting block;44, semicircular plate;45, second rotating shaft;46, connecting shaft;47, fan blade group. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the utility model.

[0025] In the utility model, unless explicitly defined and limited, the terms such as'mounting', 'connection', 'connecting', 'fixing' and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated;Can be mechanically connected, or can be electrically connected;Can be directly connected, or can be indirectly connected through an intermediate medium, can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] The utility model provides the following technical scheme:

[0027] Embodiment one: please refer to Figures 1-4The utility model provides a technical scheme: a pressure transmitter of preventing pressure impact, including pressure transmitter body 1, pressure transmitter body 1 bottom is connected with connecting pipe 2, and the inner wall of connecting pipe 2 is provided with buffer mechanism 3, and buffer mechanism 3 top is provided with shielding mechanism 4;

[0028] Buffer mechanism 3 includes first fixed block 31, and first fixed block 31 is fixedly connected to the inner wall of connecting pipe 2 near the bottom end, and the inner wall of connecting pipe 2 is fixedly connected with second fixed block 32, and the top of first fixed block 31 is fixedly connected with slide rod 33, and the surface of slide rod 33 is slidably connected with circular drain plate 34, and the surface of slide rod 33 is sleeved with buffer spring 35 between first fixed block 31 and circular drain plate 34.

[0029] The top of second fixed block 32 is fixedly connected to the top of slide rod 33, and second fixed block 32 is located above first fixed block 31.

[0030] The top of second fixed block 32 is fixedly connected to the top of slide rod 33, and second fixed block 32 is located above first fixed block 31.

[0031] Embodiment two: please refer to Figures 5-6 And on the basis of embodiment one, shielding mechanism 4 is further obtained.

[0032] Shielding mechanism 4 includes third fixed block 41, and third fixed block 41 is symmetrically fixedly connected to the top of circular drain plate 34 left and right sides, and the surface of third fixed block 41 is provided with first rotating shaft 42, and the surface of first rotating shaft 42 is fixedly connected with connecting block 43 in the middle, and one end of connecting block 43 is fixedly connected with semicircular plate 44, and the top of circular drain plate 34 is provided with second rotating shaft 45, and the top of second rotating shaft 45 is fixedly connected with connecting shaft 46, and the top of connecting shaft 46 is fixedly connected with fan group 47.

[0033] The surface of third fixed block 41 is provided with the hole matched with first rotating shaft 42, and the surface of first rotating shaft 42 is rotatably connected in the hole.

[0034] The top of circular drain plate 34 is provided with the hole matched with second rotating shaft 45, and the surface of second rotating shaft 45 is rotatably connected in the hole.

[0035] Semicircular plate 44 is provided with semicircular hole near one side of connecting shaft 46, and the diameter of semicircular hole is greater than the diameter of connecting shaft 46, facilitating the falling of two semicircular plates 44.

[0036] In actual operation, when the device is in use, when the high-intensity airflow enters the pressure transmitter body 1 through the connecting pipe 2, it will pass through the circular leakage plate 34, and the circular leakage plate 34 will be used to shield and buffer the high-intensity airflow, so that the high-intensity airflow will not directly enter the pressure transmitter body 1, and the circular leakage plate 34 will be affected by the buffering effect to slow down the buffering effect, thereby reducing the damage caused by the impact of the high-intensity airflow on the circular leakage plate 34, reducing the direct effect of the airflow pressure impact on the key components inside the pressure transmitter body 1, reducing the risk of component damage, and thereby prolonging the overall service life of the pressure transmitter body 1.

[0037] The airflow enters the pressure transmitter body 1 through the holes in the circular leakage plate 34, and blows the two semicircular plates 44, causing the two semicircular plates 44 to open and the airflow to flow upward, and the airflow in the flow will drive the fan blade group 47 to rotate, thereby reducing the flow speed of the airflow.

[0038] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without further limitation, the element defined by the statement "includes a" does not exclude the presence of additional identical elements in the process, method, article or equipment that includes the element.

Claims

1. A pressure transmitter protected against pressure shocks, comprising a pressure transmitter body (1), characterized in that: The pressure transmitter body (1) bottom is threadedly connected with a connecting pipe (2), the connecting pipe (2) inner wall is provided with a buffer mechanism (3), and the buffer mechanism (3) top is provided with a shielding mechanism (4). The buffer mechanism (3) includes a first fixed block (31), the first fixed block (31) is fixedly connected to the connecting pipe (2) inner wall near the bottom end, the connecting pipe (2) inner wall is fixedly connected with a second fixed block (32), the first fixed block (31) top is fixedly connected with a sliding rod (33), the sliding rod (33) surface is slidably connected with a circular drain plate (34) upwards and downwards, and the sliding rod (33) surface is sleeved with a buffer spring (35) between the first fixed block (31) and the circular drain plate (34).

2. A pressure transmitter resistant to pressure shocks according to claim 1, characterized in that: The sliding rod (33) top is fixedly connected to the second fixed block (32) top, and the second fixed block (32) is located above the first fixed block (31).

3. A pressure transmitter resistant to pressure shocks according to claim 1, characterized in that: The buffer spring (35) bottom is fixedly connected to the first fixed block (31) top, and the buffer spring (35) top is fixedly connected to the circular drain plate (34) bottom.

4. The pressure transmitter of claim 1, wherein: The shielding mechanism (4) includes a third fixed block (41), the third fixed block (41) is symmetrically fixedly connected to the left and right sides of the circular drain plate (34) top, the third fixed block (41) surface is provided with a first rotating shaft (42), the first rotating shaft (42) surface is fixedly connected with a connecting block (43) in the middle, one end of the connecting block (43) is fixedly connected with a semicircular plate (44), the circular drain plate (34) top is provided with a second rotating shaft (45), the second rotating shaft (45) top is fixedly connected with a connecting shaft (46), and the connecting shaft (46) top is fixedly connected with a fan group (47).

5. A pressure transmitter resistant to pressure shocks according to claim 4, characterized in that: The third fixed block (41) surface is provided with a hole matched with the first rotating shaft (42), and the first rotating shaft (42) surface is rotatably connected in the hole.

6. A pressure transmitter resistant to pressure shocks according to claim 4, characterized in that: The circular drain plate (34) top is provided with a hole matched with the second rotating shaft (45), and the second rotating shaft (45) surface penetrates and is rotatably connected in the hole.

7. A pressure transmitter resistant to pressure shocks according to claim 4, characterized in that: The semicircular plate (44) near the connecting shaft (46) side is provided with a semicircular hole, and the diameter of the semicircular hole is greater than the diameter of the connecting shaft (46).

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