Corrosion-resistant gas sensor ceramic base

Abstract

The utility model discloses a corrosion-resistant gas sensor ceramic base, and relates to the technical field of corrosion-resistant gas sensors, the corrosion-resistant gas sensor ceramic base comprises a chassis, a damping spring is arranged on the surface of the chassis, and the top of the damping spring is in threaded connection with a connecting disc. When the sensor fixing device is used, a sensor is placed in the fixing sleeve seat, the fixing sleeve is installed at the top end of the sensor, the threaded rod is screwed into the supporting plate in a threaded mode, the threaded rod is screwed into the threaded placing sleeve in a threaded mode, and therefore the sensor 1 can be stably fixed in the fixing sleeve seat. The sensor can be quickly replaced in a threaded fixing mode, and base abrasion caused by repeated disassembly is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to corrosion -resistant gas sensor technical field, concretely relates to corrosion -resistant gas sensor ceramic base. BACKGROUND

[0002] In the corrosion -resistant gas sensor technical field, the sensor base as the key component of supporting and protecting the sensor, its performance directly influences the stability and service life of the sensor. The traditional gas sensor base adopts metal or plastic material mostly, but these materials are vulnerable to damage in the corrosive gas environment, leading to the performance of sensor to decline even failure.

[0003] In order to solve the problem that the traditional base material is vulnerable to damage in the corrosive gas environment, the prior art begins to use ceramic material to make the base. The ceramic material has excellent corrosion -resistant performance, can keep stability in the severe gas environment. However, the existing ceramic base still has some deficiencies in design. For example, the way of fixing the sensor is often relatively complex, is not convenient for the quick replacement and maintenance of the sensor, and at the same time, the base is vulnerable to damage when subjected to external force impact, which influences its service life.

[0004] Therefore, it is urgent to need corrosion -resistant gas sensor ceramic base to solve the problems existing in the prior art. Such base not only needs to have excellent corrosion -resistant performance, but also needs to have simple structure, convenient for the quick replacement and maintenance of the sensor and good shock resistance and other characteristics. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing corrosion -resistant gas sensor ceramic base to solve the problems raised in the above background.

[0006] To solve the above technical problem, the technical scheme adopted by the utility model is:

[0007] Corrosion -resistant gas sensor ceramic base, including the bottom disc, the surface of the bottom disc is provided with damping spring, the top of damping spring is connected with the adapter disc, the surface of adapter disc is fixedly connected with fixed mechanism, the inside of fixed mechanism is installed with sensor, the surface of fixed mechanism is provided with buffer piece;

[0008] The fixed mechanism includes fixed sleeve, the top of fixed sleeve is fixedly connected with the placement disc, the surface of placement disc is fixedly connected with the threaded placement sleeve, the inside of threaded placement sleeve is threadedly connected with threaded rod, the surface of threaded rod is threadedly connected with support plate.

[0009] The further improvement of the utility model technical scheme lies in that one end of the supporting plate is fixedly connected with a fixed sleeve, the threaded rod passes through the supporting plate and is fixedly connected with the threaded fixing sleeve in the interior of the threaded placing sleeve, one of the two sides of the fixed sleeve outside the supporting plate is respectively provided with one, the sensor is placed in the interior of the fixed sleeve, and then the fixed sleeve is installed at the top of the sensor.

[0010] The further improvement of the utility model technical scheme lies in that the buffer member comprises a circular groove, the circular groove is arranged on the surface of the fixed sleeve, the circular groove is three, a damping rubber ring is fixedly connected in the interior of the circular groove, and the damping rubber ring is installed in the interior of the circular groove and absorbs axial impact force through compression deformation.

[0011] The further improvement of the utility model technical scheme lies in that the damping spring comprises a fixed threaded rod, a threaded sleeve is threadedly connected to the top of the fixed threaded rod, an upper protection cylinder is fixedly connected to the surface of the fixed threaded rod, an upper buffer pad is fixedly connected to one end of the upper protection cylinder, a compression spring plate is fixedly connected to the middle of the fixed threaded rod, the upper protection cylinder and the lower protection cylinder are separated when the first damping spring is in a free state, and the upper protection cylinder and the lower protection cylinder are in contact with each other when the first damping spring is compressed.

[0012] The further improvement of the utility model technical scheme lies in that one end of the compression spring plate is fixedly connected with a third damping spring, one end of the compression spring plate is fixedly connected with a second damping spring, the surface of the fixed threaded rod is sleeved with the first damping spring, and the lower end face of the upper protection cylinder and the upper end face of the lower protection cylinder are respectively provided with a circle of upper and lower buffer pads, and the upper protection cylinder and the lower protection cylinder are in contact with each other, thereby playing a buffering role.

[0013] The further improvement of the utility model technical scheme lies in that the first damping spring is arranged between the upper top plate and the lower protection cylinder, one end of the lower protection cylinder is fixedly connected with a lower buffer pad, and the lower end face of the upper protection cylinder and the upper end face of the lower protection cylinder are respectively provided with a circle of upper and lower buffer pads, and the upper protection cylinder and the lower protection cylinder are in contact with each other, thereby playing a buffering role.

[0014] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0015] 1、The utility model provides a corrosion -resistant gas sensor ceramic base, when using, the sensor is placed in the interior of the fixed sleeve, and then the fixed sleeve is installed at the top of the sensor, and then the threaded rod is screwed into the supporting plate, the threaded rod is screwed into the interior of the threaded placing sleeve, so that the sensor 1 can be stably fixed in the interior of the fixed sleeve, the threaded fixing mode is used to realize quick replacement of the sensor and reduce the base abrasion caused by repeated disassembly.

[0016] 2, the utility model provides corrosion -resistant gas sensor ceramic base, when first damping spring is in free state, upper protection cylinder and lower protection cylinder separate, when first damping spring is compressed, upper protection cylinder and lower protection cylinder contact each other, the lower end surface of upper protection cylinder and the upper end surface of lower protection cylinder are provided with a circle buffer upper buffer pad and lower buffer pad respectively, when upper protection cylinder and lower protection cylinder contact each other, play the role of buffering, thereby make ceramic base can obtain damping buffering, improve the service life of ceramic base. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure schematic view of the utility model;

[0018] Figure 2 It is the structure schematic view of the utility model fixed mechanism;

[0019] Figure 3 It is the structure schematic view of the utility model buffer piece;

[0020] Figure 4 It is the structure schematic view of the utility model damping spring.

[0021] In the drawing: 1, sensor;2, buffer piece;20, round groove;21, damping rubber ring;3, fixed mechanism;30, placement tray;31, threaded placement sleeve;32, fixed sleeve;33, support plate;34, threaded rod;35, fixed sleeve seat;4, link plate;5, damping spring;50, threaded sleeve;51, fixed threaded rod;52, upper top plate;53, upper protection cylinder;54, upper buffer pad;55, first damping spring;56, second damping spring;57, compression spring plate;58, lower protection cylinder;59, lower buffer pad;591, third damping spring;6, bottom disc. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail in connection with example:

[0023] Example 1

[0024] As Figures 1-4As shown, the utility model provides corrosion -resistant gas sensor ceramic base, including bottom disc 6, the surface of bottom disc 6 is provided with damping spring 5, the top of damping spring 5 is connected with the butt joint disc 4, the surface of butt joint disc 4 is fixedly connected with fixed mechanism 3, the inside fixed mechanism 3 is installed with sensor 1, the surface of fixed mechanism 3 is provided with buffer 2, fixed mechanism 3 includes fixed sleeve 35, the top of fixed sleeve 35 is fixedly connected with the placement tray 30, the surface of placement tray 30 is fixedly connected with threaded placement sleeve 31, the inside threaded connection of threaded placement sleeve 31 has threaded rod 34, the surface threaded connection of threaded rod 34 has support plate 33, one end of support plate 33 is fixedly connected with fixed sleeve 32, threaded rod 34 passes through support plate 33 and is screwed into the inside of threaded placement sleeve 31, support plate 33 is installed respectively in the both sides outside fixed sleeve 32 each installation has one;

[0025] Specifically, in use, place the sensor 1 into the inside of the fixed sleeve 35, then install the fixed sleeve 32 on the top end of the sensor 1, then screw the threaded rod 34 into the support plate 33, and screw the threaded rod 34 into the inside of the threaded placement sleeve 31, so that the sensor 1 can be stably fixed in the inside of the fixed sleeve 35.

[0026] Example 2

[0027] As Figures 1-4 shown, based on example 1, the utility model provides technical scheme: preferably, buffer 2 includes round groove 20, round groove 20 is set up in the surface of fixed sleeve 35, round groove 20 is 3, the inside fixed connection of round groove 20 has damping rubber ring 21, damping spring 5 includes fixed threaded rod 51, the top threaded connection of fixed threaded rod 51 has threaded sleeve 50, the surface fixed connection of fixed threaded rod 51 has upper protection cylinder 53, one end of upper protection cylinder 53 is fixedly connected with upper buffer pad 54, the middle fixed connection of fixed threaded rod 51 has compression spring plate 57, one end of compression spring plate 57 is fixedly connected with third damping spring 591, one end of compression spring plate 57 is fixedly connected with second damping spring 56, the surface sleeve of fixed threaded rod 51 has first damping spring 55, first damping spring 55 is arranged between upper top plate 52 and lower protection cylinder 58, one end of lower protection cylinder 58 is fixedly connected with lower buffer pad 59;

[0028] Specifically, the third damping spring 591 is a disc spring group stacked by several disc springs; the second damping spring 56 is a cylindrical spiral spring. Since the disc spring has a short stroke and a large load, the third damping spring 591 composed of disc springs is arranged at the lower end, the cylindrical spiral spring has a relatively small load compared with the disc spring, and the second damping spring 56 composed of the spiral spring is arranged at the upper end. When the first damping spring 55 is in a free state, the upper protection cylinder 53 and the lower protection cylinder 58 are separated, and when the first damping spring 55 is compressed, the upper protection cylinder 53 and the lower protection cylinder 58 are in contact with each other. The lower end surface of the upper protection cylinder 53 and the upper end surface of the lower protection cylinder 58 are respectively provided with a ring of upper and lower buffer pads 54 and 59, which play a buffering role when the upper protection cylinder 53 and the lower protection cylinder 58 are in contact with each other. The damping rubber ring 21 is installed in the inner circular groove 20 and absorbs the axial impact force through compression deformation.

[0029] The working principle of the corrosion-resistant gas sensor ceramic base will be described below.

[0030] As shown in Figures 1-4 , in use, the sensor 1 is placed in the fixed sleeve 35, then the fixed sleeve 32 is installed at the top end of the sensor 1, then the threaded rod 34 is screwed into the support plate 33, and the threaded rod 34 is screwed into the threaded sleeve 31, so that the sensor 1 can be stably fixed in the fixed sleeve 35. The third damping spring 591 is a disc spring group stacked by several disc springs; the second damping spring 56 is a cylindrical spiral spring. Since the disc spring has a short stroke and a large load, the third damping spring 591 composed of disc springs is arranged at the lower end, the cylindrical spiral spring has a relatively small load compared with the disc spring, and the second damping spring 56 composed of the spiral spring is arranged at the upper end. When the first damping spring 55 is in a free state, the upper protection cylinder 53 and the lower protection cylinder 58 are separated, and when the first damping spring 55 is compressed, the upper protection cylinder 53 and the lower protection cylinder 58 are in contact with each other. The lower end surface of the upper protection cylinder 53 and the upper end surface of the lower protection cylinder 58 are respectively provided with a ring of upper and lower buffer pads 54 and 59, which play a buffering role when the upper protection cylinder 53 and the lower protection cylinder 58 are in contact with each other. The damping rubber ring 21 is installed in the inner circular groove 20 and absorbs the axial impact force through compression deformation.

[0031] The above has made a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, without departing from the spirit of the utility model, the modifications or improvements are within the protection scope of the utility model.

Claims

1. Corrosion-resistant gas sensor ceramic base comprising a base plate (6), characterized in that: The surface of the chassis (6) is provided with damping springs (5), the top of the damping springs (5) is threadedly connected with a connecting disc (4), the surface of the connecting disc (4) is fixedly connected with a fixing mechanism (3), the inside of the fixing mechanism (3) is mounted with a sensor (1), and the surface of the fixing mechanism (3) is provided with a buffer (2). The fixing mechanism (3) comprises a fixing sleeve (35), the top end of the fixing sleeve (35) is fixedly connected with a placing disc (30), the surface of the placing disc (30) is fixedly connected with a threaded placing sleeve (31), the inside of the threaded placing sleeve (31) is threadedly connected with a threaded rod (34), and the surface of the threaded rod (34) is threadedly connected with a supporting plate (33).

2. The corrosion-resistant gas sensor ceramic base of claim 1, wherein: One end of the supporting plate (33) is fixedly connected with a fixing sleeve (32), the threaded rod (34) penetrates through the supporting plate (33) and is threadedly connected in the inside of the threaded placing sleeve (31), and the supporting plate (33) is respectively mounted with one on each side outside the fixing sleeve (32).

3. The corrosion-resistant gas sensor ceramic base of claim 1, wherein: The buffer (2) comprises circular grooves (20), the circular grooves (20) are arranged on the surface of the fixing sleeve (35), there are three circular grooves (20), and the inside of the circular groove (20) is fixedly connected with a damping rubber ring (21).

4. The corrosion-resistant gas sensor ceramic base of claim 1, wherein: The damping spring (5) comprises a fixed threaded rod (51), the top of the fixed threaded rod (51) is threadedly connected with a threaded sleeve (50), the surface of the fixed threaded rod (51) is fixedly connected with an upper protection cylinder (53), one end of the upper protection cylinder (53) is fixedly connected with an upper buffer pad (54), and the middle of the fixed threaded rod (51) is fixedly connected with a compression spring plate (57).

5. The corrosion-resistant gas sensor ceramic base of claim 4, wherein: One end of the compression spring plate (57) is fixedly connected with a third damping spring (591), one end of the compression spring plate (57) is fixedly connected with a second damping spring (56), and the surface of the fixed threaded rod (51) is sleeved with a first damping spring (55).

6. The corrosion-resistant gas sensor ceramic base of claim 5, wherein: The first damping spring (55) is arranged between the upper top plate (52) and the lower protection cylinder (58), and one end of the lower protection cylinder (58) is fixedly connected with a lower buffer pad (59).

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