CN218545953U

CN218545953U - Sensor elastomer assembly sealing structure

Info

Publication number: CN218545953U
Application number: CN202222819617.9U
Authority: CN
Inventors: 李健
Original assignee: Suzhou Signal Measurement Technologies Co ltd
Current assignee: Suzhou Signal Measurement Technologies Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-02-28
Anticipated expiration: 2032-10-25

Abstract

The application provides a sensor elastomer subassembly seal structure belongs to the seal structure field to the end face seal who solves current sensor adoption will take place the problem of deformation under the elastomer subassembly atress condition repeatedly many times, including sensor housing, the last joint of installing of sensor housing, be connected with the connecting cable on the joint, load button is installed on the top of elastomer, fixedly connected with rubber seal on the load button, fixedly connected with rubber seal cover on the rubber seal cover. This application can carry out stable sealed protection work of multilayer to the load button through the rubber seal cover that sets up and the cooperation of each rubber seal, and two sets of upper and lower hourglass hopper-shaped rubber seal that utilize can avoid the load button in the motion process, and the deformation appears dragging in the junction of load button and seal structure, and then can effectively avoid rubber seal to take place deformation in long-time working process and lead to sealed effect variation.

Description

Sensor elastomer assembly sealing structure

Technical Field

The utility model relates to a seal structure field particularly, relates to a sensor elastomer subassembly seal structure.

Background

The elastic sensitive element is a core component of the sensor, the elastic element is required to have high elastic energy storage, which is generally expressed as the capacity of storing deformation work without permanent deformation of an elastic material, and the pressure sensor has good mechanical processing and heat treatment performances and stronger compressive strength. The influence of temperature is small, and the correct selection of an elastic sensitive element and a strain gauge bridge circuit is an important way for improving the strain sensor;

in order to ensure the working stability of the sensor elastomer assembly, the sealing structure is required to be matched for sealing protection, but the existing sealing structure of the sensor elastomer assembly has some problems in the working process, for example, the model is SBT761A, the elastomer assembly adopts end face sealing, the end face sealing can deform under the repeated stress condition of the elastomer assembly, once the deformation occurs, rainwater can slowly permeate into the elastomer assembly along the end face in rainy days, a strain conversion circuit is corroded, and the sealing structure cannot be disassembled, assembled and replaced after being damaged in the long-time working process, so that the service life of the sensor cannot be effectively prolonged, therefore, the improvement is made, and the sealing structure of the sensor elastomer assembly is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the end face seal that current sensor to exist adopted will take place deformation under the elastomer subassembly repeated atress condition many times at present, can not carry out the problem that the dismouting was changed to seal assembly simultaneously.

In order to achieve the above object, the present invention provides the following technical solutions:

the sensor elastomer assembly seal structure improves the above-mentioned problems.

The present application is specifically such that:

the sensor comprises a sensor shell, a joint is installed on the sensor shell, a connecting cable is connected to the joint, a strain gauge is connected to the other end of the joint, the strain gauge is installed in an elastic body, the elastic body is installed at the bottom inside the sensor shell, a load button is installed at the top end of the elastic body, a rubber sealing ring is fixedly connected to the load button, a rubber sealing sleeve is fixedly connected to the rubber sealing ring, a limiting hole is formed in the rubber sealing sleeve in a penetrating mode, the load button is connected in the limiting hole in a penetrating mode, a mounting hole is formed in the top of the sensor shell in a penetrating mode, and the rubber sealing sleeve is installed in the mounting hole in a clamping mode.

As the preferred technical scheme of this application, sensor housing's top fixedly connected with links up the fishplate bar, fixedly connected with reset spring on the linkage fishplate bar, reset spring's other end fixedly connected with kelly, the kelly runs through sliding connection on linking up the fishplate bar, reset spring overlaps and establishes on the kelly, the kelly block is connected in the draw-in groove, the draw-in groove is seted up at the installing frame side.

As the preferred technical scheme of this application, rubber seal is and leaks hopper-shaped, rubber seal is provided with two sets ofly, and two sets of rubber seal symmetric distribution are both sides about the load button, and every group rubber seal is provided with threely, and three rubber seal equidistance distributes on the load button, and three rubber seal's diameter increases step by step from inside to outside.

As the preferred technical scheme of this application, the diameter of mounting hole is greater than the middle part diameter of rubber seal cover, the diameter at rubber seal cover both ends is greater than the diameter of mounting hole, the both ends of rubber seal cover laminate mutually with the inside and outside terminal surface at sensor housing top respectively.

As the preferred technical scheme of this application, connection plate symmetric distribution is in sensor housing's top both sides, connection plate passes through reset spring and kelly one-to-one, the length of kelly is greater than the degree of depth of draw-in groove.

As the preferable technical scheme of the application, the diameter of the top opening of the mounting frame is smaller than the diameter of the end part of the rubber sealing sleeve, and the inner diameter of the mounting frame is larger than the diameter of the end part of the rubber sealing sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

in the scheme of the application:

1. through the matching of the arranged rubber sealing sleeves and the rubber sealing rings, stable multi-layer sealing protection work can be carried out on the load button, and the upper and lower sets of funnel-shaped rubber sealing rings can prevent the joint of the load button and the sealing structure from being dragged and deformed in the movement process of the load button, so that the situation that the sealing effect is poor due to the deformation of the rubber sealing rings in the long-time working process can be effectively avoided, and the sealing stability and the safety of an elastic assembly consisting of the load button, the elastic body and the strain gauge in the long-time working process can be ensured;

2. through the cooperation of the clamping rod and the clamping groove, the mounting frame can be conveniently and stably disassembled and installed, the rubber sealing sleeve can be further extruded and installed through the installation of the mounting frame, the sealing performance of the rubber sealing sleeve can be further improved, the rubber sealing sleeve can be conveniently and stably disassembled and replaced through the disassembly of the mounting frame, and the use diversity and the stability of the sealing structure of the sensor elastomer component are improved.

Drawings

FIG. 1 is a schematic perspective view of a sensor elastomer assembly seal structure provided herein;

FIG. 2 is an overall front view structural schematic diagram of a sensor elastomer assembly seal structure provided herein;

FIG. 3 is a schematic view of the structure at A in FIG. 2 of a sensor elastomer assembly seal structure provided herein;

FIG. 4 is a schematic perspective view of a rubber seal ring of a sealing structure of a sensor elastomer assembly provided herein;

fig. 5 is a schematic perspective view of a rubber sealing boot of the sealing structure of the sensor elastomer assembly provided by the present application.

The figures are marked by: 1. a sensor housing; 2. a joint; 3. connecting a cable; 4. an elastomer; 5. a strain gauge; 6. a load button; 7. a rubber seal ring; 8. a rubber sealing sleeve; 9. a limiting hole; 10. mounting holes; 11. a connection plate; 12. a return spring; 13. a clamping rod; 14. a card slot; 15. and (5) installing the frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them.

Thus, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and the features and technical solutions in the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

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, or orientations or positional relationships that are usually placed when the product is used, or orientations or positional relationships that are usually understood by those skilled in the art, and such terms are only used for convenience of description and simplification of the description, and do not indicate or imply that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Example 1:

as shown in fig. 1, fig. 2, fig. 4 and fig. 5, this embodiment provides a sensor elastomer assembly sealing structure, including sensor housing 1, sensor housing 1 is last to install joint 2, be connected with connecting cable 3 on the joint 2, the other end of joint 2 is connected with foil gage 5, foil gage 5 is installed in elastomer 4, elastomer 4 is installed in the inside bottom of sensor housing 1, load button 6 is installed on the top of elastomer 4, fixedly connected with rubber seal 7 on the load button 6, fixedly connected with rubber seal cover 8 on the rubber seal 7, the last spacing hole 9 of having run through of rubber seal cover 8, load button 6 runs through sliding connection in spacing hole 9, the mounting hole 10 has been run through at the top of sensor housing 1, the block of rubber seal cover 8 is installed in mounting hole 10.

Example 2:

the scheme of example 1 is further described below in conjunction with specific working modes, which are described in detail below:

as shown in fig. 1 to fig. 3, as a preferred embodiment, on the basis of the above manner, further, a top end of the sensor housing 1 is fixedly connected with a connection plate 11, a return spring 12 is fixedly connected to the connection plate 11, another end of the return spring 12 is fixedly connected with a clamping rod 13, the clamping rod 13 penetrates through the connection plate 11 and is slidably connected thereto, the return spring 12 is sleeved on the clamping rod 13, the clamping rod 13 is connected in a clamping groove 14 in a clamping manner, the clamping groove 14 is opened at a side end of the installation frame 15, the installation frame 15 can be conveniently and stably disassembled and installed by utilizing the cooperation of the clamping rod 13 and the clamping groove 14, the rubber sealing boot 8 can be further installed by pressing through the installation of the installation frame 15, and further the sealing performance of the rubber sealing boot 8 can be further improved.

As shown in fig. 2 and fig. 4, as a preferred embodiment, on the basis of the above manner, further, the rubber sealing rings 7 are funnel-shaped, two sets of rubber sealing rings 7 are provided, two sets of rubber sealing rings 7 are symmetrically distributed on the upper and lower sides of the load button 6, three rubber sealing rings 7 are provided for each set of rubber sealing ring 7, three rubber sealing rings 7 are equidistantly distributed on the load button 6, and the diameters of the three rubber sealing rings 7 are gradually increased from inside to outside, by using the cooperation of the rubber sealing rings 7, stable multi-layer sealing protection work can be performed on the load button 6, and the connection between the load button 6 and the sealing structure can be prevented from being pulled and deformed during the movement process by using the upper and lower sets of funnel-shaped rubber sealing rings 7, so that the sealing effect can be effectively prevented from being deteriorated due to the deformation of the rubber sealing rings 7 during the long-time working process.

As shown in fig. 2 and 5, as a preferred embodiment, on the basis of the above manner, further, the diameter of the mounting hole 10 is greater than the diameter of the middle part of the rubber sealing sleeve 8, the diameters of the two ends of the rubber sealing sleeve 8 are greater than the diameter of the mounting hole 10, the two ends of the rubber sealing sleeve 8 are respectively attached to the inner end surface and the outer end surface of the top part of the sensor housing 1, the rubber sealing sleeve 8 can be used for performing limit protection on the load button 6, and further, the stability and the safety of the subsequent movement work of the load button 6 can be ensured.

As shown in fig. 1-3, as a preferred embodiment, on the basis of the above manner, further, the connection plates 11 are symmetrically distributed on both sides of the top end of the sensor housing 1, the connection plates 11 correspond to the clamping rods 13 one-to-one through the return springs 12, the length of the clamping rods 13 is greater than the depth of the clamping grooves 14, the diameter of the top opening of the mounting frame 15 is smaller than the diameter of the end portion of the rubber sealing sleeve 8, the inner diameter of the mounting frame 15 is greater than the diameter of the end portion of the rubber sealing sleeve 8, the rubber sealing sleeve 8 can be detached and replaced conveniently and stably through detachment of the mounting frame 15, and the use diversity and stability of the sealing structure of the sensor elastomer assembly are increased.

Specifically, this sensor elastomer subassembly seal structure is when using: firstly, when the sensor starts to work, when the load button 6 carries out motion sensing work in the limiting hole 9, the elastic body 4 can be stably extruded, the strain gauge 5 and the connecting cable 3 on the joint 2 can be matched to stably convert and transmit an electric signal generated by the sensor, in the motion process of the load button 6, the upper and lower groups of rubber sealing rings 7 on the upper and lower sides are utilized, the load button 6 can be stably and multi-layer sealed and protected by matching with the rubber sealing sleeves 8, the connection part of the load button 6 and the sealing structure can be prevented from being pulled and deformed by the upper and lower groups of funnel-shaped rubber sealing rings 7 in the motion process, and further the sealing effect deterioration caused by the deformation of the rubber sealing rings 7 in the long-time working process can be effectively avoided, so that the sealing stability and the safety of an elastic assembly consisting of the load button 6, the elastic body 4 and the strain gauge 5 in the long-time working process can be ensured;

and in the working process of the rubber sealing sleeve 8, the rubber sealing sleeve 8 can be stably extruded at the joint of the sensor housing 1 by utilizing the mounting frame 15, so that the sealing stability can be further improved, when the sealing assembly needs to be replaced in the working process of the sensor, a worker only needs to outwards pull the clamping rod 13 on the connecting plate 11, the clamping rod 13 can conveniently and stably move to be separated from the clamping groove 14 at the side end of the mounting frame 15 at the moment, then the worker can conveniently and quickly detach the mounting frame 15, then the worker can cut off the joint of the rubber sealing sleeve 7 and the load button 6, then the worker can conveniently and quickly detach the rubber sealing sleeve 8 in the mounting hole 10 by utilizing the rubber sealing sleeve 8, similarly, when the rubber sealing sleeve 8 needs to be replaced and installed, the worker only needs to sleeve the rubber sealing sleeve 8 on the load button 6, because the rubber sealing sleeve 8 and the rubber sealing sleeve 7 are both made of rubber, the rubber sealing sleeve 8 and the rubber sealing sleeve 7 can be stably stretched and sleeved on the load button 6, then the end of the rubber sealing sleeve 7 can be heated and melted by utilizing tools such as a fire engine, and then the rubber sealing sleeve 7 can be stably installed on the clamping groove 14, and can stably drive the working frame 13 to stably install the working frame 13 in the mounting spring, and stably install the working frame, and stably install the working assembly, and stably.

The above embodiments are only used to illustrate the present invention and not to limit the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement may be made to the present invention; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and within the scope of the following claims.

Claims

1. The utility model provides a sensor elastomer subassembly seal structure, includes sensor housing (1), its characterized in that, install on sensor housing (1) and connect (2), be connected with connecting cable (3) on connecting (2), the other end that connects (2) is connected with foil gage (5), install in elastomer (4) foil gage (5), install in the inside bottom of sensor housing (1) elastomer (4), load button (6) is installed on the top of elastomer (4), fixedly connected with rubber seal (7) on load button (6), fixedly connected with rubber seal cover (8) on rubber seal (7), run through on rubber seal cover (8) and seted up spacing hole (9), load button (6) run through sliding connection in spacing hole (9), the top of sensor housing (1) runs through and has seted up mounting hole (10), rubber seal cover (8) block is installed in mounting hole (10).

2. A sensor elastomer assembly sealing structure according to claim 1, characterized in that a connecting plate (11) is fixedly connected to the top end of the sensor housing (1), a return spring (12) is fixedly connected to the connecting plate (11), a clamping rod (13) is fixedly connected to the other end of the return spring (12), the clamping rod (13) is slidably connected to the connecting plate (11) in a penetrating manner, the return spring (12) is sleeved on the clamping rod (13), the clamping rod (13) is connected in a clamping groove (14) in a clamping manner, and the clamping groove (14) is opened at the side end of the mounting frame (15).

3. The sealing structure of the elastomer component of the sensor according to claim 1, wherein the rubber sealing rings (7) are funnel-shaped, the rubber sealing rings (7) are provided with two groups, the two groups of rubber sealing rings (7) are symmetrically distributed on the upper side and the lower side of the load button (6), each group of rubber sealing rings (7) is provided with three rubber sealing rings, the three rubber sealing rings (7) are equidistantly distributed on the load button (6), and the diameters of the three rubber sealing rings (7) are gradually increased from inside to outside.

4. The sealing structure of the elastomer assembly of the sensor according to claim 1, wherein the diameter of the mounting hole (10) is larger than the diameter of the middle part of the rubber sealing sleeve (8), the diameters of the two ends of the rubber sealing sleeve (8) are larger than the diameter of the mounting hole (10), and the two ends of the rubber sealing sleeve (8) are respectively attached to the inner and outer end faces of the top of the sensor housing (1).

5. The sensor elastomer assembly sealing structure of claim 2, characterized in that the connection plates (11) are symmetrically distributed at both sides of the top end of the sensor housing (1), the connection plates (11) are in one-to-one correspondence with the clamping rods (13) through the return springs (12), and the length of the clamping rods (13) is larger than the depth of the clamping grooves (14).

6. A sensor elastomer package sealing arrangement according to claim 2, characterised in that the top opening diameter of the mounting frame (15) is smaller than the end diameter of the rubber sealing boot (8), the inner diameter of the mounting frame (15) being larger than the end diameter of the rubber sealing boot (8).