JPH0862079A - Mounting device of pressure sensor - Google Patents

Abstract

PURPOSE: To reduce machining cost by providing a plug-shaped pressure reception part which is formed in one piece with a pressure sensor and has a screw part at an outer periphery part and a ring-shaped adapter which is fixed to a sensor mounting port with the screw of the pressure reception part. CONSTITUTION: A pressure reception part 26 is formed in one piece with a pressure sensor S and is in plug shape and is provided with a screw part 27 externally. An adapter 30 is in ring shape, is provided with a screw part 31 where the screw part 27 of a pipe pressure part 26 is screwed at an inner periphery, and is provided with a flange 32 for aligning to the flange 3 of a sensor mounting port 2. When mounting a sensor 5, the screw part 27 of the outer periphery of the pressure reception part 26 of the sensor 5 is screwed to a screw part 31 and the adapter 30 and the pressure reception part 26 of the sensor 5 are connected. In this state, the adapter 30 is inserted into the mounting port 2, the flange 32 of the base edge outer periphery of the adapter 30 is aligned to the flange 3 of the mounting port 2, a clamp 10 in half-split shape is closed in that state, the flanges 3 and 32 are held, and then the flanges 3 and 32 are connected.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pressure sensor mounting device.

[0002]

2. Description of the Related Art When a pressure sensor is attached to a sanitary device installed in a drug factory or a food factory, a tank spud structure or a ferrule structure is generally adopted.

FIG. 3 shows a conventional example of a structure in which a pressure sensor is mounted by a tank spud type mounting device. In the figure, 1 is a wall of a tank, 2 is a sensor mounting opening projecting from the wall 1 of a tank, 3 is a flange provided at the tip of the sensor mounting opening 2, 5 is a pressure sensor, and 6 is a sensor mounting opening 2. The pressure receiving portion to be inserted, 7 is a pressure sensing mechanism provided in the pressure receiving portion 6, and 8
Is a flange provided on the outer periphery of the base end of the pressure receiving portion 6, and 10 is a clamp that connects the flange 3 of the sensor mounting port 2 and the flange 8 of the pressure receiving portion 6 of the pressure sensor 5.

When the pressure sensor 5 is mounted, the pressure receiving portion 6 of the pressure sensor 5 is attached to the tip of the pressure receiving portion 6 by the O-ring 33.
Is attached to the inside of the sensor mounting opening 2, the flange 8 on the base end side of the pressure receiving portion 6 is aligned with the flange 3 of the sensor mounting opening 2, and in that state, the half clamp 10 is closed to close the flange 3 , 8, and both flanges 3, 8 are joined.

FIG. 4 shows a conventional example of a structure in which a pressure sensor is attached by a ferrule type attachment device. In the figure,
Reference numeral 11 is a pipe wall, 16 is a pressure receiving portion, and 18 is a flange provided on the outer periphery of the tip of the pressure receiving portion 16. Other than that, Fig. 3
Similar to that of.

When the pressure sensor 5 is mounted by this device, the flange 18 provided on the outer periphery of the tip of the pressure receiving portion 16 is O-shaped.
Align the ring or equivalent packing with the flange 3 of the sensor mounting port 2, and in that state, halve the clamp 1
0 is closed and the flanges 3 and 18 are sandwiched, and both flanges 3 and 1
Combine 8

[0007]

By the way, there are various sizes of the sensor mounting port 2, and the pressure sensor 5 is correspondingly provided.
Need to be installed. Conventionally, the manufacturer of the pressure sensor 5 processes the pressure receiving portions 6 and 16 each time depending on the size of the mounting port or the mounting structure type of the customer.

However, since the pressure sensor for sanitary use is generally used under the condition that a high temperature of about 150 ° C. continues for several hours, a complicated pressure sensitive mechanism in which oil is enclosed is adopted. There is a problem in that it is not easy to process the pressure-receiving portion having the mechanism into various sizes and shapes, and it takes manufacturing cost and time.

The present invention has been made to solve the above problems, and a pressure sensor mounting device capable of reducing manufacturing cost and time by standardizing a pressure receiving portion which is troublesome to process. The purpose is to get.

[0010]

According to a first aspect of the present invention, there is provided a pressure sensor mounting device, wherein a plug-shaped pressure receiving portion which is integrated with the pressure sensor and has a threaded portion on an outer circumference, and the pressure receiving portion is screwed on an inner circumference. And a ring-shaped adapter having a threaded portion to be fitted and fixed to the sensor mounting port.

[0011]

In the pressure sensor mounting device according to the first aspect of the invention, the pressure sensor can be mounted by processing and preparing an adapter according to the size and mounting type of the sensor mounting port. At the time of mounting, the threaded portion on the inner circumference of the adapter is screwed into the threaded portion on the outer circumference of the pressure receiving portion of the pressure sensor to couple the adapter and the pressure receiving portion of the pressure sensor. In this state, by connecting the adapter to the sensor mounting port,
Complete the pressure sensor installation. The adapter may be attached to the sensor attachment port first, and the pressure receiving portion of the pressure sensor may be screwed onto the inner circumference of the adapter afterwards.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a sectional view showing a tank spud type attachment device of a first embodiment of the present invention, (a) is an exploded view,
(B) is an assembly drawing. In the figure, 26 is a pressure receiving portion, 3
Reference numeral 0 is an adapter manufactured separately from the pressure receiving portion 26. The pressure receiving portion 26 is in the form of a plug (plug) integrated with the pressure sensor 5, and has a screw portion 27 on the outer circumference. On the other hand, the adapter 30 has a ring shape, has a threaded portion 31 to which the threaded portion 27 of the pressure receiving portion 26 is screwed, and a flange 32 that is fitted to the flange 3 of the sensor mounting port 2 on the outer circumference of the base end side. have. Further, in the drawing, 33 is an O for sealing the gap between the outer periphery of the adapter 30 and the sensor mounting port 2.
A ring 34 is an O-ring that seals the gap between the inner circumference of the adapter 30 and the pressure receiving portion 26. Other than that, the same parts as those in FIG.

When the pressure sensor 5 is mounted by the mounting device having the above structure, the threaded portion 31 on the inner circumference of the adapter 30 is
The threaded portion 27 on the outer periphery of the pressure receiving portion 26 of the pressure sensor 5 is screwed to connect the adapter 30 and the pressure receiving portion 26 of the pressure sensor 5. In this state, the adapter 30 is inserted into the sensor mounting port 2, the flange 32 on the outer periphery of the base end of the adapter 30 is aligned with the flange 3 of the sensor mounting port 2, and in that state, the half-separated clamp 10 is closed. The flanges 3 and 32 are connected to each other by sandwiching the flanges 3 and 32. This completes the installation. The adapter 30 may be attached to the sensor attachment port 2 first, and the pressure receiving portion 26 of the pressure sensor 5 may be screwed onto the inner circumference of the adapter 30 later.

According to this apparatus, if the adapter 30 corresponding to the size of the sensor mounting port 2 is processed and prepared,
The pressure receiving portion 26 of the pressure sensor 5 can be standardized.
The pressure receiving portion 26 of the pressure sensor 5 is standardized to facilitate processing, and the adapter 30 can be manufactured separately from the pressure sensor 5 to facilitate processing. Further, at the time of assembly, the screw portion 27 and the adapter 30 on the outer circumference of the pressure receiving portion 26.
By tightening the screw part 31 on the inner circumference of the adapter 30,
Since the pressure receiving portion 26 and the pressure receiving portion 26 can be simply and surely connected, the pressure sensor 5 can be easily attached.

FIG. 2 is a sectional view showing a ferrule-type mounting device according to a second embodiment of the present invention, (a) being an exploded view,
(B) is an assembly drawing. In the figure, 26 is a pressure receiving portion, 4
Reference numeral 0 is an adapter manufactured separately from the pressure receiving portion 26. The pressure receiving portion 26 is the same as that of the first embodiment. The adapter 40 has a ring shape, has a threaded portion 41 to which the threaded portion 27 of the pressure receiving portion 26 is screwed, and has an outer periphery on the distal end side.
Flange 4 to be fitted with flange 3 of sensor mounting port 2
Have two. In the figure, 35 is a flange 3, 42
This is an O-ring that seals the mating surface of. Other than that, the same parts as those in FIG.

When the pressure sensor 5 is mounted by the mounting device having the above structure, the threaded portion 41 on the inner circumference of the adapter 40 is
The threaded portion 27 on the outer circumference of the pressure receiving portion 26 of the pressure sensor 5 is screwed to connect the adapter 40 and the pressure receiving portion 26 of the pressure sensor 5. In this state, the flange 4 on the outer periphery of the tip of the adapter 40
2 is aligned with the flange 3 of the sensor mounting port 2, and in that state, the clamp 10 having a half shape is closed to sandwich the flanges 3 and 42, and the both flanges 3 and 42 are joined. Also in this case, the adapter 40 may be attached to the sensor attachment port 2 first, and the pressure receiving portion 26 of the pressure sensor 5 may be screwed onto the inner periphery of the adapter 40 later. This device also has the same effect as the first embodiment.

[0017]

As described above, according to the invention of claim 1, the adapter is attached to the pressure receiving portion of the pressure sensor, and the pressure sensor is attached to the sensor attaching port via the adapter. The pressure receiving part of the pressure sensor can be standardized by processing and preparing an adapter according to the size and mounting type of the mouth. Therefore, the pressure receiving portion of the pressure sensor can be standardized to facilitate processing, and the adapter can be manufactured separately from the pressure sensor to facilitate processing, thereby reducing processing time and processing cost. Further, at the time of assembly, the adapter and the pressure receiving portion can be simply and surely connected by tightening the screw portion on the outer periphery of the pressure receiving portion and the screw portion on the inner periphery of the adapter, so that the pressure sensor can be easily attached. Further, since the adapter and the pressure sensor are separate bodies, they can be handled easily, and even if the size of the adapter is increased, it is possible to obtain an effect that the packaging does not become large.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a configuration of a first embodiment of the present invention, (a) is an exploded view and (b) is an assembly view.

FIG. 2 is a cross-sectional view showing the configuration of a second embodiment of the present invention, (a) is an exploded view and (b) is an assembly view.

FIG. 3 is a cross-sectional view showing a conventional tank spud type attachment structure.

FIG. 4 is a sectional view showing a conventional ferrule-type mounting structure.

[Explanation of symbols]

 2 Sensor mounting port 5 Pressure sensor 26 Pressure receiving part 27 Screw part 30,40 Adapter 31, 41 Screw part

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yasuhide Yoshikawa 1-12-2 Kawana, Fujisawa City, Kanagawa Yamatake Honeywell Co., Ltd. Fujisawa Factory

Claims (1)

[Claims] 1. A pressure sensor mounting device for mounting a pressure sensor on a sensor mounting port, wherein a plug-shaped pressure receiving portion that is integrated with the pressure sensor and has a threaded portion on the outer circumference, and the pressure receiving portion is screwed on the inner circumference. And a ring-shaped adapter that has a threaded portion and is fixed to the sensor mounting port.