Pressure measurement sensor

Abstract

The utility model discloses a pressure measurement sensor, which relates to the technical field of pressure measurement sensors and comprises a mounting mechanism, a fixing frame is mounted on the surface of the mounting mechanism, a buffer mechanism is mounted in the fixing frame, an accommodating cylinder is mounted at one end of the buffer mechanism, and a pressure sensor body is mounted in the accommodating cylinder. According to the utility model, through downward movement of the upper supporting seat, the pressure sensor body transmits pressure to the spring, through mutual extrusion of the connecting plate and the spring and mutual cooperation of the round rod and the spring, the lower half part of the round rod penetrates through the bottom of the hydraulic cavity and is in sliding connection at the joint, so that huge impact force can be effectively relieved; the structure is stable, the damping effect is effectively improved, the effect of protecting the device is effectively achieved, and therefore the detection accuracy of the pressure measurement sensor can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure measurement sensor technical field, concretely relates to a pressure measurement sensor. BACKGROUND

[0002] Pressure measurement sensor is the device or device that can feel pressure signal, and can convert pressure signal into usable output electric signal according to certain law. It is usually composed of pressure sensitive element and signal processing unit, and is widely used in water conservancy, railway transportation, intelligent building, production automatic control, aerospace, military industry, petrochemical industry, oil well, electric power, ship, machine tool, pipeline and many other industries.

[0003] The utility model discloses a kind of pressure sensor measuring devices, including tool base, cover plate, height adjusting ring and pressure sensor assembly, work base is equipped with assembly hole, assembly hole bottom is equipped with pressure hole, the outer side of assembly hole top is equipped with adjusting ring groove, pressure sensor assembly includes pressure sensor connector, pressure sensor ceramic sensitive element and pressure sensor sealing ring, the bottom of pressure sensor connector, pressure sensor ceramic sensitive element and pressure sensor sealing ring are all located in assembly hole, height adjusting ring is located in adjusting ring groove, cover plate is located on tool base top and cover plate covers height adjusting ring and pressure sensor connector;The pressure sensor measuring device does not need to be assembled into finished product pressure sensor, can complete the measurement of pressure sensor, greatly improve the detection efficiency of pressure sensor, and does not need to use adapter, can reduce the leakage path between pressure sensor and adapter, and between adapter and tool.

[0004] In order to solve the problem of pressure measurement sensor, the prior art is to use ceramic sensitive element and pressure sensor sealing ring, which are located in the assembly hole, and the height adjusting ring is located in the adjusting ring groove, to improve the detection efficiency, but the pressure measurement sensor will be impacted during use, which will affect the detection accuracy of the pressure measurement sensor. Utility model contents

[0005] The utility model aims at providing a kind of pressure measurement sensor, to solve the problems raised in the above background.

[0006] To solve the above technical problems, the utility model adopts the technical scheme of:

[0007] A kind of pressure measurement sensor, including installation mechanism, the surface of the installation mechanism is equipped with fixed frame, the inside of the fixed frame is equipped with buffer mechanism, one end of the buffer mechanism is equipped with containing cylinder, the inside of the containing cylinder is equipped with pressure sensor body;

[0008] The mounting mechanism comprises a fixed supporting plate fixedly connected to the bottom end of the fixed frame, the surface of the fixed supporting plate is provided with a placing groove, and the two sides of the fixed supporting plate are connected with movable pressing plates, and the surface of the movable pressing plates is threadedly connected with locking bolts.

[0009] Further improvement of the technical scheme of the utility model lies in that the two sides of the movable pressing plate are threadedly connected with threaded columns, the surface of the threaded column is sleeved with a sleeve, and one end of the threaded column is fixedly connected with a rotating disc.

[0010] Further improvement of the technical scheme of the utility model lies in that one end of the threaded column is fixedly connected with a clamping plate, and the surface of the clamping plate is fixedly connected with a reinforcing plate.

[0011] Further improvement of the technical scheme of the utility model lies in that the locking bolt penetrates the movable pressing plate and contacts the sleeve, and the locking bolt and the movable pressing plate are connected with each other through threads, and the clamping plate and the reinforcing plate are clamped to the fixed component through the threaded column.

[0012] Further improvement of the technical scheme of the utility model lies in that the buffer mechanism comprises an upper supporting seat, the upper supporting seat is fixedly connected to the bottom of the containing cylinder, a connecting plate is horizontally welded to the inner side lower end of the upper supporting seat, and the upper supporting seat moves downward, and the pressure sensor body transmits pressure to the spring.

[0013] Further improvement of the technical scheme of the utility model lies in that the surface of the connecting plate is connected with a round rod in a penetrating mode, one end of the round rod is fixedly connected with a hydraulic piston, one end of the round rod is fixedly connected with a lower fixing sleeve, the bottom of the lower fixing sleeve is provided with an extrusion pad, the surface of the round rod is sleeved with a spring, the connecting plate and the spring are extruded to each other, the round rod and the spring are matched to each other, and the lower half of the round rod penetrates the bottom of the hydraulic cavity and is connected in a sliding mode at the connecting position.

[0014] Further improvement of the technical scheme of the utility model lies in that the inside of the upper supporting seat is provided with a hydraulic cavity, the lower end of the upper supporting seat is fixedly connected with a limiting rod, the inside of the hydraulic cavity is filled with hydraulic liquid, and 6-10 holes penetrate the hydraulic piston.

[0015] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0016] 1. The utility model provides a pressure measurement sensor, when the pressure sensor body is pressed and impacted by gravity, the upper support seat moves downward, the pressure sensor body will transmit pressure to the spring, through the mutual extrusion of connecting plate and spring and through the mutual cooperation of round rod and spring, the lower half part of round rod penetrates hydraulic cavity bottom and is connected in sliding connection at the connecting place, the inside of hydraulic cavity is filled with hydraulic liquid, there are 6-10 holes in hydraulic piston, the hole in hydraulic piston plays the throttling effect, restricts the flow of hydraulic liquid, thereby generates damping effect, can effectively alleviate huge impact force, the structure is stable, improves the effect of shock absorption effectively, effectively plays the effect of protection device, thereby can improve the accuracy of pressure measurement sensor detection.

[0017] 2. The utility model provides a pressure measurement sensor, install mechanism to place in need to install position, then rotate movable pressing plate and hold sleeve and threaded column, simultaneously movable pressing plate can use screw fixed on fixed supporting plate, then rotate locking bolt and fix sleeve, then insert the part that needs to be fixed into the recess inside, finally rotate the steering wheel, the steering wheel drives threaded column to rotate, threaded column drives clamping plate and reinforcing pad to clamp the part that fixes, thereby convenient pressure measurement sensor installs flexibly in different places, improve the flexibility of pressure measurement sensor detection. DRAWINGS

[0018] Figure 1 It is the structure schematic drawing of the utility model;

[0019] Figure 2 It is the structure schematic drawing of the utility model fixed frame;

[0020] Figure 3 It is the structure schematic drawing of the utility model buffer mechanism;

[0021] Figure 4 It is the structure schematic drawing of the utility model installation mechanism.

[0022] In the drawing: 1, installation mechanism; 11, movable pressing plate; 12, steering wheel; 13, locking bolt; 14, clamping plate; 15, reinforcing pad; 16, fixed supporting plate; 17, recess; 18, sleeve; 19, threaded column; 2, fixed frame; 3, pressure sensor body; 4, containing cylinder; 5, buffer mechanism; 50, upper support seat; 51, hydraulic piston; 53, connecting plate; 54, limit rod; 55, round rod; 56, spring; 57, lower fixed sleeve; 58, hydraulic cavity; 59, extrusion pad. DETAILED DESCRIPTION

[0023] The utility model will be further explained in detail in connection with examples:

[0024] Example 1

[0025] As Figures 1-4 The utility model provides a pressure measurement sensor, including installation mechanism 1, the surface of installation mechanism 1 is installed fixed frame 2, the inside of fixed frame 2 is installed buffer mechanism 5, one end of buffer mechanism 5 is installed and contains cylinder 4, the inside of containing cylinder 4 is installed pressure sensor body 3, installation mechanism 1 includes fixed bolster 16, and fixed bolster 16 is fixedly connected at the bottom of fixed frame 2, and the surface of fixed bolster 16 is equipped with and places recess 17, and the both sides of fixed bolster 16 are connected with movable platen 11, and the surface of movable platen 11 is connected with locking bolt 13 by screw thread, and the both sides of movable platen 11 are connected with threaded column 19 by screw thread, and the surface of threaded column 19 is equipped with sleeve 18, and one end of threaded column 19 is fixedly connected with turntable 12, and one end of threaded column 19 is fixedly connected with clamping plate 14, and the surface of clamping plate 14 is fixedly connected with reinforcing plate 15, and locking bolt 13 penetrates movable platen 11 and contacts with sleeve 18, and locking bolt 13 and movable platen 11 are connected by screw thread each other;

[0026] Specifically, in use, installation mechanism 1 is placed in the position needing installation, then sleeve 18 and threaded column 19 are clamped by rotating movable platen 11, at the same time, movable platen 11 can be fixed on fixed bolster 16 by screw, then sleeve 18 is fixed by rotating locking bolt 13, then the component needing fixing is inserted into placing recess 17, finally, rotating turntable 12 drives threaded column 19 to rotate, threaded column 19 drives clamping plate 14 and reinforcing plate 15 to clamp the component needing fixing.

[0027] Embodiment 2

[0028] As Figures 1-4 On the basis of embodiment 1, the utility model provides a technical scheme: preferably, buffer mechanism 5 includes upper support seat 50, upper support seat 50 is fixedly connected at the bottom of containing cylinder 4, and the inner side lower end of upper support seat 50 is horizontally welded with connecting plate 53, and the surface of connecting plate 53 is connected with round rod 55 by penetrating, and one end of round rod 55 is fixedly connected with hydraulic piston 51, and one end of round rod 55 is fixedly connected with lower fixed sleeve 57, and the bottom of lower fixed sleeve 57 is installed with extrusion pad 59, and the surface of round rod 55 is equipped with spring 56, and the inside of upper support seat 50 is provided with hydraulic cavity 58, and the lower end of upper support seat 50 is fixedly connected with limit rod 54;

[0029] Specifically, when the pressure sensor body 3 is pressed and impacted by gravity, the upper support base 50 moves downward, the pressure sensor body 3 transmits the pressure to the spring 56, through the mutual extrusion of the connecting plate 53 and the spring 56, and through the mutual cooperation of the round rod 55 and the spring 56, the lower half of the round rod 55 penetrates through the bottom of the hydraulic cavity 58 and is slidingly connected at the connecting position, the inside of the hydraulic cavity 58 is filled with hydraulic liquid, the hydraulic piston 51 has 6-10 holes penetrating through the hydraulic piston 51, the holes on the hydraulic piston 51 play a throttling role, limit the flow of hydraulic liquid, thereby generating a damping effect, which can effectively alleviate the huge impact force, the structure is stable, at the same time, effectively improves the damping effect, effectively plays a protection device effect, so as to improve the accuracy of the device.

[0030] The working principle of the pressure measuring sensor will be described below.

[0031] As shown in Figures 1-4 , in use, the mounting mechanism 1 is placed at the position where it needs to be installed, then the movable pressing plate 11 is rotated to clamp the sleeve 18 and the threaded column 19, at the same time, the movable pressing plate 11 can be fixed on the fixed supporting plate 16 by screws, then the locking bolt 13 is rotated to fix the sleeve 18, then the part to be fixed is inserted into the placing groove 17, finally the rotating disc 12 is rotated, the rotating disc 12 drives the threaded column 19 to rotate, the threaded column 19 drives the clamping plate 14 and the reinforcing plate 15 to clamp the fixed part, when the pressure sensor body 3 is pressed and impacted by gravity, the upper support base 50 moves downward, the pressure sensor body 3 transmits the pressure to the spring 56, through the mutual extrusion of the connecting plate 53 and the spring 56, and through the mutual cooperation of the round rod 55 and the spring 56, the lower half of the round rod 55 penetrates through the bottom of the hydraulic cavity 58 and is slidingly connected at the connecting position, the inside of the hydraulic cavity 58 is filled with hydraulic liquid, the hydraulic piston 51 has 6-10 holes penetrating through the hydraulic piston 51, the holes on the hydraulic piston 51 play a throttling role, limit the flow of hydraulic liquid, thereby generating a damping effect, which can effectively alleviate the huge impact force, the structure is stable, at the same time, effectively improves the damping effect, effectively plays a protection device effect, so as to improve the accuracy of the device.

[0032] The above has made a detailed description of the present application, but some modifications or improvements can be made on the basis of the present application, which is obvious to those skilled in the art. Therefore, without departing from the spirit of the present application, the modifications or improvements are within the scope of the present application.

Claims

1. A pressure measuring sensor comprising a mounting mechanism (1), characterized in that: The surface of the mounting mechanism (1) is provided with a fixed frame (2), the inside of the fixed frame (2) is provided with a buffer mechanism (5), one end of the buffer mechanism (5) is provided with a containing cylinder (4), the inside of the containing cylinder (4) is provided with a pressure sensor body (3); The mounting mechanism (1) comprises a fixed supporting plate (16), the fixed supporting plate (16) is fixedly connected to the bottom end of the fixed frame (2), the surface of the fixed supporting plate (16) is provided with a placing groove (17), and the both sides of the fixed supporting plate (16) are connected with movable pressing plates (11); the surface of the movable pressing plate (11) is threadedly connected with locking pins (13).

2. A pressure measuring sensor according to claim 1, characterized in that: The both sides of the movable pressing plate (11) are threadedly connected with threaded columns (19), the surface of the threaded column (19) is sleeved with a sleeve (18), and one end of the threaded column (19) is fixedly connected with a rotating disc (12).

3. A pressure measuring sensor according to claim 2, characterised in that: One end of the threaded column (19) is fixedly connected with a clamping plate (14), and the surface of the clamping plate (14) is fixedly connected with a reinforcing plate (15).

4. A pressure measuring sensor according to claim 1, characterized in that: The locking pin (13) penetrates the movable pressing plate (11) and contacts the sleeve (18), and the locking pin (13) and the movable pressing plate (11) are connected by threads.

5. A pressure measuring sensor according to claim 1, characterized in that: The buffer mechanism (5) comprises an upper supporting seat (50), the upper supporting seat (50) is fixedly connected to the bottom of the containing cylinder (4), and the inner side of the lower end of the upper supporting seat (50) is horizontally welded with a connecting plate (53).

6. A pressure measuring sensor according to claim 5, characterised in that: The surface of the connecting plate (53) is connected with a circular rod (55), one end of the circular rod (55) is fixedly connected with a hydraulic piston (51), one end of the circular rod (55) is fixedly connected with a lower fixed sleeve (57), the bottom of the lower fixed sleeve (57) is provided with an extrusion pad (59), and the surface of the circular rod (55) is sleeved with a spring (56).

7. A pressure measuring sensor according to claim 5, characterized in that: The inside of the upper supporting seat (50) is provided with a hydraulic cavity (58), and the lower end of the upper supporting seat (50) is fixedly connected with a limiting rod (54).

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