CN210981306U

CN210981306U - Sensor that leakproofness is good

Info

Publication number: CN210981306U
Application number: CN201922322437.8U
Authority: CN
Inventors: 孙梓隆
Original assignee: Hebei Oushi Electronic Technology Co ltd
Current assignee: Hebei Oushi Electronic Technology Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-07-10
Anticipated expiration: 2029-12-23

Abstract

The embodiment of the application discloses sensor that leakproofness is good, including the shell, the bottom fixed mounting of shell has the fixed plate, and the left and right sides of fixed plate all is through bolt fixedly connected with mount pad, and the centre fixed mounting of mount pad bottom has the filter mantle, and the bottom fixed mounting of filter mantle has the water conservancy diversion grid, and the inner chamber fixed mounting of shell has the metal sheet. This sensor that leakproofness is good, through setting up splint and spring, when the sensor during operation, insert the filter screen between two splint, because the elastic action of spring, guarantee that splint closely laminate with the both sides of filter screen always, then the junction between filter screen and splint and the filter mantle all is in encapsulated situation, the inside of finally guaranteeing the device is in encapsulated situation, avoid the inside of air admission device, when the filter screen takes place to block up needs to wash, need not to pull down equipment, directly utilize this mode to install the filter screen can, the work efficiency of device is improved.

Description

Sensor that leakproofness is good

Technical Field

The application relates to the field of sensors, in particular to a sensor with good sealing performance.

Background

The sensor is a detection device which can sense the measured information and convert the sensed information into an electric signal or other information in a required form according to a certain rule to be output, and the output information meets the required requirements.

The sensor has many types, for example, types such as a hot film air flow sensor, a pressure sensor, an angle sensor, an infrared sensor, and the like, and taking the hot film air flow sensor as an example, the inside heat of the sensor has a flow guide grid, air enters the inside of the sensor from the flow guide grid, a filter screen is arranged on the rear side of the flow guide grid, if the filter screen is blocked, the part needs to be detached to clean the filter screen, which is very troublesome, and the practicability of the device is reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present application provides a sensor with good sealing performance, which has the advantage of simple cleaning of the filter screen, and solves the above mentioned problems in the background art.

The utility model provides a sensor that leakproofness is good, includes the shell, the bottom fixed mounting of shell has the fixed plate, the left and right sides of fixed plate all is through bolt fixedly connected with mount pad, the middle fixed mounting of mount pad bottom has the filter mantle, the bottom fixed mounting of filter mantle has the water conservancy diversion grid, the inner chamber fixed mounting of shell has the metal sheet, the outside and the fixed mounting that run through and extend to the shell in the left side of metal sheet have the plug, the positive one side fixed mounting of metal sheet has the metal hot membrane, the positive one side fixed mounting of metal sheet has the left hybrid circuit box that is located the metal hot membrane, metal hot membrane and hybrid circuit box all are located the inside of shell.

Preferably, the filter mantle is cylindrical design, the semicircle mouth has been seted up on the right side of filter mantle, the semicircle mouth runs through the middle part of the positive one side of filter mantle, equal sliding connection in both sides has the splint that are located both sides about the semicircle mouth about the filter mantle inner chamber, the quantity of splint is two, and the lateral surface of two splint all passes through the inner chamber fixed connection of spring and filter mantle, two the equal fixed mounting in right side of splint has the deflector, and the deflector is located the right side of semicircle mouth, the right side fixed mounting of filter mantle has the guard box.

Preferably, the length value of protective housing equals with the length value of filter mantle, the width value of protective housing equals half of filter mantle width value, and the protective housing is the rectangle design, the rectangle mouth has been seted up to the inner chamber of protective housing, and rectangle mouth and external through connection, the below fixed mounting on protective housing right side has the protective frame, the top and the positive one side of protective frame are the opening design, and the inner chamber of protective frame articulates there is the pivot, the push rod has been cup jointed in the top activity of pivot.

Preferably, the length value of the push rod is equal to the width value of the protective box, a cylindrical protrusion is arranged on the left side of the bottom of the push rod, the cylindrical protrusion on the left side of the bottom of the push rod is movably sleeved with a circular groove formed in an inner cavity of the rotating shaft, a clamping block is movably sleeved in the inner cavity of the rotating shaft, and one side of the back of the clamping block is movably sleeved with a clamping groove formed in the cylindrical protrusion on the bottom of the push rod.

The application provides a sensor that leakproofness is good.

1. This sensor that leakproofness is good, through setting up splint and spring, when the sensor during operation, insert the filter screen between two splint, because the elastic action of spring, guarantee that splint closely laminate with the both sides of filter screen always, then the junction between filter screen and splint and the filter mantle all is in encapsulated situation, the inside of finally guaranteeing the device is in encapsulated situation, avoid the inside of air admission device, when the filter screen takes place to block up needs to wash, need not to pull down equipment, directly utilize this mode to install the filter screen can, the work efficiency of device is improved.

2. This sensor that leakproofness is good, through setting up protective housing and push rod, before the filter screen is installed, at first pass the rectangle mouth that the protective housing inner chamber was seted up, the length value of rectangle mouth equals with the diameter value of filter screen, and the width value of rectangle mouth equals with the thickness value of filter screen, the filter screen is laminated with the inner chamber of protective housing at the in-process of installation always like this, utilize the push rod to carry out the push-and-pull to the filter screen, finally push into the inside of filter mantle with the filter screen, this in-process does not have the inside of air admission device, the practicality of improving device.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the sealing device of the present invention;

fig. 3 is a side sectional view of the filter cover of the present invention.

In the figure: 1. a housing; 2. a hybrid circuit box; 3. a metal hot film; 4. a fixing plate; 5. a push rod; 6. a protective box; 7. a flow guide grid; 8. a filter housing; 9. a mounting seat; 10. a bolt; 11. a plug; 12. a metal plate; 13. a splint; 14. a guide plate; 15. a clamping block; 16. a protective frame; 17. a rotating shaft; 18. a spring.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1-3, a sensor with good sealing performance comprises a housing 1, a fixing plate 4 is fixedly installed at the bottom of the housing 1, both the left side and the right side of the fixing plate 4 are fixedly connected with an installation seat 9 through bolts 10, a filter cover 8 is fixedly installed in the middle of the bottom of the installation seat 9, the filter cover 8 is in a cylindrical design, a semicircular opening is formed in the right side of the filter cover 8, the semicircular opening penetrates through the middle of the front side of the filter cover 8, the upper side and the lower side of the inner cavity of the filter cover 8 are slidably connected with clamping plates 13 positioned on the upper side and the lower side of the semicircular opening, the number of the clamping plates 13 is two, the outer side faces of the two clamping plates 13 are fixedly connected with the inner cavity of the filter cover 8 through springs 18, through the arrangement of the clamping plates 13 and the springs 18, when a filter screen needs to be replaced, the filter, the filter screen is inserted between the two clamping plates 13, the clamping plates 13 are ensured to be tightly attached to the two sides of the filter screen all the time due to the elastic action of the spring 18, the connecting parts between the filter screen and the clamping plates 13 and the filter mantle 8 are in a sealing state, the interior of the device is finally ensured to be in a sealing state, air is prevented from entering the interior of the device, the guide plates 14 are fixedly arranged on the right sides of the two clamping plates 13, the guide plates 14 are positioned on the right sides of the semicircular openings, when the filter screen is installed, the filter screen is pushed into the interior of the filter mantle 8, the filter screen firstly contacts the guide plates 14, the guide plates 14 play a role of guiding the filter screen, the filter screen is convenient to enter the interior of the filter mantle 8, the protective box 6 is fixedly arranged on the right side of the filter mantle 8, the length value of the protective box 6 is equal to the length value of the filter mantle 8, the width value of, the inner cavity of the protective box 6 is provided with a rectangular opening which is communicated with the outside, the lower part of the right side of the protective box 6 is fixedly provided with a protective frame 16, the top part and the front side of the protective frame 16 are both in open design, the inner cavity of the protective frame 16 is hinged with a rotating shaft 17, the top part of the rotating shaft 17 is movably sleeved with a push rod 5, the length value of the push rod 5 is equal to the width value of the protective box 6, the left side of the bottom part of the push rod 5 is provided with a cylindrical protrusion, the cylindrical protrusion part on the left side of the bottom part of the push rod 5 is movably sleeved with a circular groove arranged in the inner cavity of the rotating shaft 17, through the arrangement of the protective box 6 and the push rod 5, before the installation of the filter screen, the filter screen firstly passes through the rectangular opening arranged in the inner cavity of the protective box 6, the length value of the rectangular opening is equal to the diameter, the filter screen is pushed and pulled by utilizing the push rod 5, the filter screen is pushed into the filter mantle 8 finally, no air enters the device in the process, the practicability of the device is improved, the fixture block 15 is movably sleeved in the inner cavity of the rotating shaft 17, one side of the back surface of the fixture block 15 is movably sleeved with the clamping groove formed in the cylindrical protruding part at the bottom of the push rod 5, after the filter screen is installed, the push rod 5 is rotated to be in a horizontal state, the push rod 5 is attached to the filter screen at the moment, the fixture block 15 is inserted into the clamping groove formed in the push rod 5, the push rod 5 is fixedly and firmly fixed, the filter screen is firmly installed, the guide grid 7 is fixedly installed at the bottom of the filter mantle 8, the metal plate 12 is fixedly installed in the inner cavity of the shell 1, the left side of the metal plate 12 penetrates through and extends to the outer part of the shell 1 and is fixedly provided with the plug 11, the metal hot film 3 is, the metal thermal film 3 and the hybrid circuit box 2 are both located inside the case 1.

To sum up, firstly, when the filter screen inside the filter cover 8 is blocked and needs to be replaced with a new filter screen, the filter screen is pushed out from the top of the filter cover 8 to the right, the prepared filter screen is inserted into the rectangular opening on the right side of the protective box 6, the push rod 5 is rotated, the filter screen is pushed to the right by using the push rod 5, the guide plate 14 is arranged on the right side of the clamping plate 13 on the right side, the filter screen firstly contacts with the guide plate 14, the guide plate 14 plays a role of guiding the filter screen, the filter screen finally enters the inside of the filter cover 8, after the filter screen is installed, the push rod 5 is rotated to be in a horizontal state, at the moment, the push rod 5 is attached to the filter screen, the clamping block 15 is inserted into the clamping groove formed in the push rod 5, the push rod 5 is fixed firmly, due to the elastic action of the spring 18, the clamping plate 13 and the, and (4) finishing.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. The sensor with good sealing performance is characterized by comprising a shell (1), wherein a fixing plate (4) is fixedly arranged at the bottom of the shell (1), the left side and the right side of the fixed plate (4) are fixedly connected with mounting seats (9) through bolts (10), a filter cover (8) is fixedly arranged in the middle of the bottom of the mounting seat (9), a flow guide grid (7) is fixedly arranged at the bottom of the filter cover (8), a metal plate (12) is fixedly arranged in the inner cavity of the shell (1), the left side of the metal plate (12) penetrates through and extends to the outside of the shell (1) and is fixedly provided with a plug (11), a metal hot film (3) is fixedly arranged on one side of the front surface of the metal plate (12), a hybrid circuit box (2) positioned on the left side of the metal hot film (3) is fixedly arranged on one side of the front surface of the metal plate (12), the metal hot film (3) and the hybrid circuit box (2) are both positioned inside the shell (1).

2. The sensor with good sealing performance as claimed in claim 1, wherein the filter mantle (8) is designed in a cylindrical shape, a semicircular opening is formed in the right side of the filter mantle (8), the semicircular opening penetrates through the middle of one side of the front surface of the filter mantle (8), the two clamp plates (13) located on the upper side and the lower side of the inner cavity of the filter mantle (8) are slidably connected to the upper side and the lower side of the inner cavity of the semicircular opening, the two clamp plates (13) are arranged in number, the outer side surfaces of the two clamp plates (13) are fixedly connected with the inner cavity of the filter mantle (8) through springs (18), the guide plate (14) is fixedly mounted on the right side of the clamp plates (13), the guide plate (14) is located on the right side of the semicircular opening, and the protection box (6) is fixedly mounted on the right side.

3. The sensor with good sealing performance according to claim 2, wherein the length of the protective box (6) is equal to the length of the filter cover (8), the width of the protective box (6) is equal to half of the width of the filter cover (8), the protective box (6) is designed in a rectangular shape, a rectangular opening is formed in an inner cavity of the protective box (6) and is in through connection with the outside, a protective frame (16) is fixedly mounted below the right side of the protective box (6), the top of the protective frame (16) and one side of the front of the protective frame are both designed in an opening mode, the inner cavity of the protective frame (16) is hinged to a rotating shaft (17), and a push rod (5) is movably sleeved on the top of the rotating shaft (17).

4. The sensor with good sealing performance according to claim 3, wherein the length of the push rod (5) is equal to the width of the protective box (6), a cylindrical protrusion is arranged on the left side of the bottom of the push rod (5), the cylindrical protrusion on the left side of the bottom of the push rod (5) is movably sleeved with a circular groove formed in an inner cavity of the rotating shaft (17), a clamping block (15) is movably sleeved in the inner cavity of the rotating shaft (17), and one side of the back of the clamping block (15) is movably sleeved with a clamping groove formed in the cylindrical protrusion on the bottom of the push rod (5).