CN218180195U - Pressure mass flow device - Google Patents
Pressure mass flow device Download PDFInfo
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- CN218180195U CN218180195U CN202223132520.7U CN202223132520U CN218180195U CN 218180195 U CN218180195 U CN 218180195U CN 202223132520 U CN202223132520 U CN 202223132520U CN 218180195 U CN218180195 U CN 218180195U
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Abstract
The utility model relates to a sensor detects technical field, concretely relates to pressure mass flow device. The utility model provides a pressure flow collecting device, which comprises a plurality of pillars, a plurality of flow guide pipes and at least two bodies, wherein one surface of each body is an air outlet surface, each body is in the shape of a long rod, and an air flow cavity is formed in each body; the air outlet surface of the body is sequentially provided with a plurality of round holes along the length direction of the body, the round holes are communicated with the airflow cavity, each round hole is internally and hermetically connected with a support column, a channel cavity penetrating through the support columns is formed in each support column, and the channel cavity is communicated with the airflow cavity. This device can pressurize the pressure sensor on the multiunit body simultaneously, and then can large batch detection pressure sensor, and work efficiency obtains improving, when dismantling the frock, only needs rotatory nut, and the nut breaks away from the back mutually with the filler neck, drops on the body, and it is more convenient to dismantle.
Description
Technical Field
The utility model relates to a sensor detects technical field, concretely relates to pressure mass flow device.
Background
The pressure sensor is a device or a device which can sense pressure signals and can convert the pressure signals into usable output electric signals according to a certain rule, along with the wide application of the pressure sensor, it is very important to determine how to detect the pressure sensor.
The commonly used pressurization detection device at present is as shown in fig. 3, and including the long tube, connect a plurality of tracheas on the long tube, the body is linked together with the trachea, still is connected with the adapter on the long tube, is fixed with the nut on the trachea, and the nut is higher than tracheal upper surface, and pressure sensor installs on the frock, and the filler neck of frock can be screwed in the nut, accomplishes sealing connection. When detecting, pressure is input into the adapter, high-pressure gas enters the trachea through the long tube, then enters the air guide hole of the pressure sensor along the trachea, pressurizes the sensor, supplies power to the sensor simultaneously, and detects the voltage change of the output end of the sensor by using the voltage of the universal meter.
However, the conventional pressurizing detection device cannot simultaneously detect a large amount of air pipes due to the fact that a single long pipe cannot be provided with a large amount of air pipes, and efficiency is low;
in addition, inconvenient dismantlement frock can only separate filler neck and nut through rotatory frock, and it is comparatively inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the problem that will solve is: the commonly used pressurization detection device can not arrange a large batch of air pipes on a single long pipe, can not detect simultaneously in a large batch, has lower efficiency, and can only separate the filler neck from the screw cap through a rotary tool due to inconvenient disassembly of the tool.
(II) technical scheme
A pressure flow-collecting device comprises a plurality of pillars, a plurality of flow guide pipes and at least two bodies, wherein one surface of each body is an air outlet surface, each body is in a long rod shape, and an air flow cavity is formed in each body;
a plurality of round holes are sequentially formed in the air outlet surface of the body along the length direction of the body, the round holes are communicated with the airflow cavity, a support column is hermetically connected in each round hole, a channel cavity penetrating through the support columns is formed in each support column, the channel cavity is communicated with the airflow cavity, and a nut is mounted on each support column;
the plurality of flow guide pipes are connected between the adjacent bodies, are arranged along the length direction of the bodies and are used for communicating the airflow cavities between the two adjacent bodies;
an adapter is installed on one of the bodies, and a cavity in the adapter is communicated with the airflow cavity.
According to the utility model discloses an embodiment, the body is cylinder or regular polygon prism.
According to an embodiment of the present invention, the body is a cylinder, and the two bodies are respectively a first body and a second body;
a plurality of honeycomb duct connect in first body with between the second body, the adapter install in the side of second body.
According to an embodiment of the present invention, the airflow chamber extends from a side of the body to near another side of the body.
According to an embodiment of the present invention, the pillar is a cylinder, and the nut is sleeved in the pillar and can slide relative to the pillar;
the top of the strut is connected with an inverted cone frustum, a through hole penetrating through the cone frustum is formed in the cone frustum, and the through hole is communicated with the channel cavity.
According to the utility model discloses an embodiment, the mounting hole has been seted up to second body one side, the mounting hole with the air current chamber is linked together, the diameter of mounting hole is greater than the diameter in air current chamber, be formed with the internal thread groove in the mounting hole, be equipped with on the adapter lateral surface with the external screw thread that internal thread groove matches.
According to the utility model discloses an embodiment, pressure mass flow device still includes two supports, the support is the L type, and simultaneously with the first body with the lower surface of second body is connected.
According to the utility model discloses an embodiment the airflow hole department of first body side installs the end cap, the end cap is the disk, the disk seals the airflow cavity in the first body.
According to an embodiment of the present invention, the inner diameters of the airflow chamber, the passage chamber and the flow guide tube are all 0.5-1.5mm.
According to the utility model discloses an embodiment, first body with all install 6 pillars on the gas surface of second body, the honeycomb duct is provided with 6.
The utility model has the advantages that:
the utility model provides a pair of pressure mass flow device, include: a plurality of pillars, a plurality of honeycomb ducts and two at least bodies, a face of body is for giving vent to anger the face, and this internal air current chamber that is formed with, a plurality of honeycomb ducts connect between adjacent body, are linked together two adjacent originally air current chambers between through the honeycomb duct. The body is provided with a plurality of pillars, a channel cavity which is communicated with the pillars is formed in each pillar, the channel cavity is communicated with the airflow cavity, and the adapter is arranged on one body. Through the adapter to this internal blowing, high-pressure gas enters into the pillar on this body, pressurizes in to the air guide hole of the pressure sensor on this body, and high-pressure gas passes through the honeycomb duct simultaneously and flows to next body in to the pressure sensor pressurization in the next body, so on and so on, can pressurize the pressure sensor on the multiunit body simultaneously, and then can large batch detection pressure sensor, work efficiency obtains improving.
In addition, when the tool is disassembled, the nut only needs to be rotated, and the nut falls off the body after being separated from the filler neck, so that the disassembly is more convenient, and the efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view provided by an embodiment of the present invention;
fig. 2 is a top view provided by the embodiment of the present invention;
fig. 3 is a sectional view of a conventional pressure detection device.
Reference numerals: 1-a flow guide pipe; 3-a first body; 4-a second body; 5-a screw cap; 6-a scaffold; 7-a pillar; 8-adapter.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
The pressurizing detection is that the sensor is powered to pressurize the air guide hole of the sensor, the voltage change of the output end of the sensor is detected by the voltage of a multimeter, and if the relative sensitivity of the pressure sensor is large, the change amount is obvious.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a pressure flow-concentrating device for performing a pressure test on a pressure sensor, which includes a plurality of pillars 7, a plurality of flow-guiding pipes 1, and at least two bodies, wherein one surface of each body is an air outlet surface, the body is a long rod-shaped body, and an air flow cavity is formed in the body;
a plurality of round holes are sequentially formed in the air outlet surface of the body along the length direction of the body at equal intervals, the round holes are communicated with the airflow cavity, a support column 7 is hermetically connected in each round hole, a channel cavity penetrating through the support columns 7 is formed in each support column 7, the channel cavity is communicated with the airflow cavity, and high-pressure air in the airflow cavity in the sample body can flow into the channel cavity in the support columns 7 and further enter the air guide holes of the pressure sensor;
a plurality of honeycomb ducts 1 are connected between adjacent bodies, and a plurality of honeycomb ducts 1 set up along the length direction of body, and honeycomb duct 1 and body mutually perpendicular are linked together the air current chamber between two adjacent bodies through honeycomb duct 1. An adapter 8 is arranged on one body, and a cavity channel in the adapter 8 is communicated with the airflow cavity. Blow to this internal through adapter 8, during high-pressure gas enters into pillar 7 on this body, to the pressurization in pressure sensor's on this body the air duct, high-pressure gas passes through honeycomb duct 1 simultaneously and flows to next body to pressure sensor pressurization in the next body, analogize with this, can pressurize the pressure sensor on the multiunit body simultaneously, work efficiency is high. In this embodiment, the number of the main body and the pillars 7 is not specifically limited, and can be customized according to the requirements of different manufacturers.
As a specific example, the body is a cylinder, two bodies are provided, namely a first body 3 and a second body 4, the airflow chambers extend from the side of the body to a position close to the other side of the body, and it is noted that the airflow chambers are opened from the center of one circular surface of the cylinder and extend to a position close to the other circular surface along the length direction of the cylinder, that is, the airflow chambers do not completely penetrate through the cylinder.
Further, 6 honeycomb ducts 1 are connected between the first body 3 and the second body 4, 6 honeycomb ducts 1 are arranged at equal intervals, and 6 pillars 7 are respectively connected to the first body 3 and the second body 4, for 12 pillars 7.
Wherein, the inner diameters of the airflow cavity, the channel cavity and the draft tube 1 are all 0.5-1.5mm, preferably 1mm.
In this embodiment, each pillar 7 is provided with a nut 5, the nut 5 is sleeved on the upper end portion of the pillar 7 and can slide relative to the pillar 7, the pillar 7 is a cylinder, it should be noted that, in the first body 3 or the second body 4, after the bottom end of the pillar 7 is inserted into the circular hole, the lower surface of the pillar 7 is communicated with the airflow cavity, and the lower half portion of the pillar 7 is fixed and sealed with the circular hole by welding, so as to improve reliability. The nut 5 is sleeved on the pillar 7, and the nut 5 is lapped on the upper surface of the first body 3 or the second body 4 under the condition that the pressure sensor is not installed.
Furthermore, an inverted cone frustum is integrally formed at the top of each support 7, the cone frustum and the support 7 are coaxially arranged, the bottom surface of the cylindrical frustum faces upwards, a through hole penetrating through the cone frustum is formed in the cone frustum of the cone frustum, and the through hole is communicated with the channel cavity, so that the nut 5 cannot be separated due to the blocking of the cone frustum and can only move on the support 7 below the cone frustum. The diameter of the bottom surface of the truncated cone is smaller than the inner diameter of the screw cap 5, so that the filler neck can be screwed into the screw cap 5. Specifically, the nut 5 is formed with a through hole having the same diameter as the outer diameter of the support 7, and when the nut 5 is pushed to the uppermost position, the inverted cone is positioned inside the nut 5, and the upper surface of the inverted cone is lower than the upper surface of the nut 5, so that the filler neck can be screwed into the nut 5 without being obstructed by the inverted cone when the filler neck is mounted.
It should be noted that, in the conventional pressure monitoring device, as shown in fig. 3, a nut 5 is fixed on the top of a pillar 7, the position of the nut is fixed, the pillar 7 is not provided with a truncated cone, the upper surface of the nut 5 is higher than the upper surface of the pillar 7, a pressure sensor is mounted on a tool (not shown in the figure), a filler neck is mounted on the tool, the outer wall of the filler neck is provided with threads, a cavity is formed inside the filler neck, the filler neck is inserted into the nut 5, and the nut 5 is screwed into the nut 5 by rotating the tool, so that the cavity in the filler neck is communicated with the pillar 7, and the assembly is completed. However, the disassembly is inconvenient, and only the tool can be rotated.
In the embodiment, when the connecting pipe is installed, only the nut 5 needs to be pushed upwards, then the connecting pipe mouth is installed in a threaded connection with the nut 5, at the moment, the nut 5 is connected with the connecting pipe mouth, the nut 5 cannot fall off, when the connecting pipe is disassembled, the nut 5 only needs to be rotated, and after the nut 5 is separated from the connecting pipe mouth, the nut falls off the body, so that the disassembling is more convenient, and the efficiency is improved.
When the support 7 and the nut 5 are installed, the support 7 is inserted into the nut 5, the lower end of the support 7, i.e., the end far away from the inverted truncated cone, is inserted into a circular hole in the first body 3 or the second body 4, and then the support 7 is fixed by welding, at this time, the inverted truncated cone is located above the nut 5, i.e., the nut 5 cannot move upwards continuously, so that the nut 5 is prevented from being separated from the support 7.
As an alternative embodiment, the body may also be a regular square prism or a regular pentagonal prism.
According to a specific embodiment, as shown in fig. 1, the pressure flow-collecting device further includes two brackets 6, the brackets 6 are L-shaped, the brackets 6 are made of stainless steel, the two brackets 6 are welded to the lower surfaces of the first body 3 and the second body 4, and the lower surfaces of the brackets 6 are parallel to the horizontal plane, so as to stably support the first body 3 and the second body 4.
According to a specific embodiment, as shown in fig. 2, a plug is installed at the airflow hole on the side surface of the first body 3, the plug is a circular plate, the circular plate seals the airflow cavity in the first body 3, during drilling, the hole is drilled from the left side to the right side of the first body 3, and the plug is arranged to seal the airflow cavity on the left side of the first body 3, so that the airflow cavity is in a sealed state.
It is same, second body 4 is also according to this kind of direction drilling, but the mounting hole has been seted up on 4 left sides of second body, according to hole and the coaxial setting of air current hole, the mounting hole is linked together with the air current chamber, however, the diameter of mounting hole is greater than the diameter in air current chamber, the degree of depth of mounting hole is only 3cm, be formed with the internal thread groove in the mounting hole, adapter 8 is from taking the external screw thread, when installation adapter 8, only need insert adapter 8 in the mounting hole and twist adapter 8, adapter 8 plays the effect in sealed air current chamber, still made things convenient for installation and dismantlement adapter 8.
The device is mainly used for testing and calibrating the pressure sensor, and can realize the pressurization test of multiple paths of products at the same time. Specifically, the filler neck mouths of 12 tools are firstly inserted into the screw caps 5 in sequence, the tools are rotated to enable the filler neck mouths to be screwed into the screw caps 5, assembly is completed, then, an input pressure is given, an external pressure input device inputs pressure into the adapter 8, then products are powered on, output electric signals of each product are tested in sequence, after a pressure point test is completed, other pressures are given, detection is completed in sequence, and batch calibration and test are achieved.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct or indirect through an intermediate medium, or may be internal to both elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A pressure manifold apparatus, characterized by: the air outlet structure comprises a plurality of pillars (7), a plurality of flow guide pipes (1) and at least two bodies, wherein one surface of each body is an air outlet surface, each body is in the shape of a long rod, and an air flow cavity is formed in each body;
a plurality of round holes are sequentially formed in the air outlet surface of the body along the length direction of the body, the round holes are communicated with the airflow cavity, a support column (7) is connected into each round hole in a sealing manner, a channel cavity penetrating through the support columns (7) is formed in each support column (7), the channel cavity is communicated with the airflow cavity, and a nut (5) is mounted on each support column (7);
the honeycomb ducts (1) are connected between the adjacent bodies, the honeycomb ducts (1) are arranged along the length direction of the bodies, and the airflow cavities between the two adjacent bodies are communicated through the honeycomb ducts (1);
an adapter (8) is installed on one of the bodies, and a cavity in the adapter (8) is communicated with the airflow cavity.
2. A pressure manifold as set forth in claim 1, wherein: the body is a cylinder or a regular polygonal prism.
3. A pressure manifold as set forth in claim 2, wherein: the body is a cylinder, and the number of the body is two, namely a first body (3) and a second body (4);
a plurality of honeycomb duct (1) connect in first body (3) with between second body (4), adapter (8) install in the side of second body (4).
4. A pressure manifold as set forth in claim 3, wherein: the airflow chamber extends from one side of the body to a position close to the other side of the body.
5. A pressure manifold as set forth in claim 1, wherein: the supporting column (7) is a cylinder, and the nut (5) is sleeved in the supporting column (7) and can slide relative to the supporting column (7);
the top of the strut (7) is connected with an inverted cone frustum, a through hole penetrating through the cone frustum is formed in the cone frustum, and the through hole is communicated with the channel cavity.
6. A pressure manifold as set forth in claim 3, wherein: and a mounting hole is formed in one side of the second body (4), the mounting hole is communicated with the airflow cavity, the diameter of the mounting hole is larger than that of the airflow cavity, an internal thread groove is formed in the mounting hole, and an external thread matched with the internal thread groove is arranged on the outer side surface of the adapter (8).
7. A pressure manifold as set forth in claim 3, wherein: the pressure flow collecting device further comprises two supports (6), wherein the supports (6) are L-shaped and are connected with the lower surfaces of the first body (3) and the second body (4) at the same time.
8. A pressure manifold as set forth in claim 4, wherein: and a plug is arranged at an airflow hole on the side surface of the first body (3), the plug is a circular sheet, and the circular sheet seals an airflow cavity in the first body (3).
9. A pressure manifold as set forth in claim 1, wherein: the inner diameters of the airflow cavity, the channel cavity and the guide pipe (1) are all 0.5-1.5mm.
10. A pressure manifold as set forth in claim 3, wherein: all install 6 pillars (7) on the gas outlet face of first body (3) with second body (4), honeycomb duct (1) is provided with 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223132520.7U CN218180195U (en) | 2022-11-23 | 2022-11-23 | Pressure mass flow device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223132520.7U CN218180195U (en) | 2022-11-23 | 2022-11-23 | Pressure mass flow device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218180195U true CN218180195U (en) | 2022-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223132520.7U Active CN218180195U (en) | 2022-11-23 | 2022-11-23 | Pressure mass flow device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218180195U (en) |
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- 2022-11-23 CN CN202223132520.7U patent/CN218180195U/en active Active
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