Shell structure of pressure sensor

Abstract

The utility model relates to the technical field of sensors, and discloses a pressure sensor shell structure which comprises a shell body, limiting blocks are fixedly connected to three sides of the outer wall of the shell body, rotating rods are rotatably connected to the interiors of the limiting blocks, and shells are fixedly connected to the ends, away from the limiting blocks, of the three rotating rods through fixing columns. Threads are arranged on the three sides of the outer wall of the shell, the three threads are in threaded connection with adjusting columns, the ends, away from the threads, of the adjusting columns are rotationally connected with clamping blocks, a transition block is fixedly connected to the top of the shell body, and a dustproof assembly is arranged on the outer side of the transition block. According to the utility model, when the position of the clamping block needs to be adjusted, the adjusting column is rotated, the thread on the surface of the adjusting column drives the clamping block matched with the adjusting column to smoothly slide in the shell due to the thread transmission principle, and the position of the clamping block can be quickly changed through the adjustment.

Description

TECHNICAL FIELD

[0001] The utility model relates to sensor technical field especially relates to a pressure sensor casing structure. BACKGROUND

[0002] As a kind of extremely critical perception equipment, pressure sensor can accurately convert the pressure signal received into measurable signal such as electrical signal and digital signal for easy measurement, transmission and processing by built-in piezoelectric, piezoresistance and other types of sensitive elements, and pressure sensor casing is like tailor-made "protective clothing" for it, it not only resists mechanical impact, dust and water vapor, provides physical protection for sensitive element, but also needs to adapt to complex use environment, and its performance will directly affect the overall performance and reliability of sensor;

[0003] Pressure sensor casing itself does not directly participate in the conversion of pressure signal, its main role is to provide protection and support for internal sensitive element, to ensure that sensor can work stably and reliably, when pressure sensor is used in various environments, it may be affected by mechanical impact, vibration, dust, moisture and other factors. Shell provides physical barrier for internal sensitive element through its strength and sealing, different application scenarios have different requirements for environmental adaptability of pressure sensor, and shell material needs to have corresponding characteristics to adapt to these environments;

[0004] The existing pressure sensor casing provides stable protection for internal pressure sensor structure to a certain extent, can resist conventional physical impact and environmental erosion, however, its function and structure are relatively single, it is difficult to flexibly adapt to complex and changeable application scenarios, and in actual operation, shell needs to be frequently replaced according to the shape, material and working environment of connected object, which not only consumes a lot of time and manpower, but also greatly increases the risk of equipment damage, seriously reduces work efficiency and hinders the full play of pressure sensor efficiency, therefore, a pressure sensor casing structure is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a pressure sensor casing structure, to improve the problem that shell needs to be frequently replaced according to the shape, material and working environment of connected object in prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A pressure sensor shell structure, including a shell body, the outer wall of the shell body is fixedly connected with a limiting block on three sides, the inside of the limiting block is rotatably connected with a rotating rod, the end of the three rotating rods away from the limiting block is fixedly connected with an outer shell through a fixed column, the outer wall of the outer shell is provided with a screw thread on three sides, the three screw threads are threadedly connected with an adjusting column, the end of the adjusting column away from the screw thread is rotatably connected with a clamping block, the top of the shell body is fixedly connected with a transition block, the outer side of the transition block is provided with a dustproof assembly;

[0008] As a further description of the above technical solution:

[0009] The dustproof assembly includes six fixed blocks, the six fixed blocks are fixedly connected to the six sides of the transition block, the side away from the six fixed blocks is fixedly connected with an outer plate, the inside of the outer plate is slidably connected with a sliding plate through a sliding groove, the inside of the outer plate is fixedly connected with a hydraulic cylinder, the other end of the hydraulic cylinder is fixedly connected to the inside of the sliding plate;

[0010] As a further description of the above technical solution:

[0011] The bottom of the outer shell is provided with a plurality of limiting grooves, the top of the three clamping blocks is slidably arranged in the inside of the limiting groove;

[0012] As a further description of the above technical solution:

[0013] The top of the transition block is fixedly connected with a tool head, the top of the sliding plate is placed with a cover;

[0014] As a further description of the above technical solution:

[0015] The bottom of the shell body and the top of the outer shell are in contact, and the outer shell is made of aluminum alloy material;

[0016] As a further description of the above technical solution:

[0017] The bottom of the cover is provided with six grooves, the top of the six sliding plates is matched with the grooves;

[0018] As a further description of the above technical solution:

[0019] The top of the tool head and the bottom of the cover are in contact, and the tool head is a cylindrical body with a threaded outer wall;

[0020] As a further description of the above technical solution:

[0021] The three fixed columns and the adjusting column are evenly distributed on the outer side of the outer shell at equal distances, and the outer shell is a hollow cylindrical body.

[0022] The utility model has the advantages of the following:

[0023] 1、The utility model discloses when needing to adjust the position of the clamping block, rotates the adjusting column, and the surface screw thread drives the clamping block matched with it to smoothly slide in the shell interior because of the screw thread transmission principle, and the position of the clamping block can be quickly changed through this adjustment, and the inconvenience brought by frequent replacement of the shell can be effectively coped with according to the shape and material quality of the connected object and the complex and changeable working environment, and the equipment adaptability and working efficiency are greatly improved.

[0024] 2、The utility model discloses the cooperative operation of the slide plate and hydraulic cylinder structure realizes that the slide plate stably slides in the outer plate, when the hydraulic cylinder starts, and the piston rod telescopes, can push the slide plate and move flexibly in the outer plate, and at the same time, cooperate with the cover placed, after the slide plate slides to the specified position, the cover can be closely attached with the outer plate, and good sealing structure is formed, in this way, dust can be effectively blocked to enter the shell, and the problem that the equipment use efficiency is reduced because of dust invasion is solved, and the service life of the equipment is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a three-dimensional schematic view of the pressure sensor shell structure that the utility model proposes;

[0026] Figure 2 It is a structure schematic view of the transition block of the pressure sensor shell structure that the utility model proposes;

[0027] Figure 3 It is a structure schematic view of the limiting block of the pressure sensor shell structure that the utility model proposes;

[0028] Figure 4 It is a structure schematic view of the clamping block of the pressure sensor shell structure that the utility model proposes.

[0029] LEGEND:

[0030] 1, shell body;2, limiting block;3, rotating rod;4, fixed column;5, shell;6, adjusting column;7, screw thread;8, clamping block;9, limit slot;10, transition block;11, fixed block;12, outer plate;13, sliding groove;14, hydraulic cylinder;15, tool head;16, cover;17, slide plate. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0032] With reference to Figure 1 and Figure 4 The present application provides an embodiment: a pressure sensor shell structure, comprising a shell body 1, which plays a role of connecting the whole component, the outer wall of the shell body 1 is fixedly connected with a limiting block 2 on three sides, which plays a supporting role while limiting, the limiting block 2 is rotatably connected with a rotating rod 3 inside, the three rotating rods 3 are fixedly connected with an outer shell 5 through a fixed column 4 at the end away from the limiting block 2, so that the outer shell 5 and the shell body 1 are fixedly connected, the outer wall of the outer shell 5 is provided with a screw thread 7 on three sides, the three screw threads 7 are threadedly connected with an adjusting column 6, the adjusting column 6 is rotatably connected with a clamping block 8 at the end away from the screw thread 7, so that the clamping block 8 can more stably adjust and powerfully fix an object, the top of the shell body 1 is fixedly connected with a transition block 10, the transition block 10 is a hexahedron, and the outer side of the transition block 10 is provided with a dustproof assembly.

[0033] With reference to Figure 2 and Figure 3 The dustproof assembly comprises six fixed blocks 11, the six fixed blocks 11 are fixedly connected to the six sides of the transition block 10 respectively, and the sides away from each other of the six fixed blocks 11 are fixedly connected with outer plates 12. Since the transition block 10 is a hexahedron, the six outer plates 12 do not contact each other. The inner part of the outer plate 12 is slidably connected with a sliding plate 17 through a sliding groove 13, and the inner part of the outer plate 12 is fixedly connected with a hydraulic cylinder 14, and the other end of the hydraulic cylinder 14 is fixedly connected to the inner part of the sliding plate 17, so that the sliding plate 17 can slide at the sliding groove 13.

[0034] With reference to Figures 2-3The bottom of the shell 5 is provided with a plurality of limiting grooves 9, the top of the three clamping blocks 8 is slid on the inside of the limiting grooves 9, so that the clamping block 8 can only adjust the distance and cannot adjust the angle with the rotation of the adjusting column 6, the top of the transition block 10 is fixedly connected with the tool head 15, the top of the sliding plate 17 is provided with the cover 16, the cover 16 protects the tool head 15, the bottom of the shell body 1 is in contact with the top of the shell 5, so that the shell body 1 and the shell 5 can be disassembled, the shell 5 is made of aluminum alloy, the bottom of the cover 16 is provided with six grooves, the top of the six sliding plates 17 is matched with the grooves, the top of the tool head 15 is in contact with the bottom of the cover 16, so that the tool head 15 is not stressed, the tool head 15 is a threaded cylindrical body, the three fixed columns 4 and the adjusting column 6 are evenly distributed at equal distances on the outside of the shell 5, and the shell 5 is a hollow cylindrical body at the center, so that the disassembly of the shell 5 and the shell body 1 and the adjustment of the clamping block 8 do not interfere with each other.

[0035] Working principle: when it is needed to use and connect on the object, first, the three fixed columns 4 are disassembled, so that the shell body 1 and the shell 5 are separated, then the inductive component is installed in the inside of the shell body 1, and the three fixed columns 4 are reinstalled, so that the shell 5 and the shell body 1 are fixed, when facing different specifications of objects, the adjusting column 6 is rotated, due to the existence of the screw thread 7, the adjusting column 6 drives the clamping block 8 to slide on the limiting groove 9, so that the inside clamping size is adjusted, so as to cope with the need to connect various specifications of objects, when the use is finished, the hydraulic cylinder 14 is opened, so that the six sliding plates 17 reach the highest position, the cover 16 is placed to protect the tool head 15, and the next use is waited.

[0036] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A pressure sensor housing structure comprising a housing body (1), characterised in that: The outer wall of the shell body (1) is fixedly connected with three limiting blocks (2), the inner part of the limiting block (2) is rotatably connected with a rotating rod (3), the end of the three rotating rods (3) away from the limiting block (2) is fixedly connected with an outer shell (5) through a fixed column (4), the outer wall of the outer shell (5) is provided with three screw threads (7), the three screw threads (7) are threadedly connected with an adjusting column (6), the end of the adjusting column (6) away from the screw thread (7) is rotatably connected with a clamping block (8), the top of the shell body (1) is fixedly connected with a transition block (10), and the outer side of the transition block (10) is provided with a dustproof assembly.

2. A pressure sensor housing structure according to claim 1, wherein: The dustproof assembly comprises six fixed blocks (11), the six fixed blocks (11) are fixedly connected to the six sides of the transition block (10), the side away from the six fixed blocks (11) is fixedly connected with an outer plate (12), the inner part of the outer plate (12) is slidably connected with a sliding plate (17) through a sliding groove (13), the inner part of the outer plate (12) is fixedly connected with a hydraulic cylinder (14), and the other end of the hydraulic cylinder (14) is fixedly connected to the inner part of the sliding plate (17).

3. The pressure sensor housing structure of claim 1, wherein: The bottom of the outer shell (5) is provided with a plurality of limiting grooves (9), and the top of the three clamping blocks (8) is slidably arranged in the limiting grooves (9).

4. The pressure sensor housing structure of claim 2, wherein: The top of the transition block (10) is fixedly connected with a tool head (15), and the top of the sliding plate (17) is provided with a cover (16).

5. The pressure sensor housing structure of claim 1, wherein: The bottom of the shell body (1) is in contact with the top of the outer shell (5), and the outer shell (5) is made of aluminum alloy.

6. A pressure sensor housing structure according to claim 4, wherein: The bottom of the cover (16) is provided with six grooves, and the top of the six sliding plates (17) is matched with the grooves.

7. A pressure sensor housing structure according to claim 4, wherein: The top of the tool head (15) is in contact with the bottom of the cover (16), and the tool head (15) is a cylindrical body with a threaded outer wall.

8. The pressure sensor housing structure of claim 1, wherein: The three fixed columns (4) and the adjusting column (6) are evenly distributed at equal distances on the outer side of the outer shell (5), and the outer shell (5) is a hollow cylindrical body.

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