CN218211694U

CN218211694U - Explosion-proof protection device for pressure sensor

Info

Publication number: CN218211694U
Application number: CN202222102729.2U
Authority: CN
Inventors: 王小平; 曹万; 张超军; 王浩
Original assignee: Nanjing Feien Microelectronics Co ltd
Current assignee: Nanjing Feien Microelectronics Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2023-01-03
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses a pressure sensor is with explosion-proof protection device, including fixed plate, mounting panel and explosion-proof visor, the fixed plate front end is provided with the mounting panel, and mounting panel front end bolted connection has the sensor body, install the connecting axle on the mounting panel, and the connecting axle rotates the upper end position of installing in explosion-proof visor, the go-between is installed to explosion-proof visor lower extreme, the spacing groove has been seted up to the mounting panel lower extreme. This explosion-proof protection device for pressure sensor, explosion-proof visor through the hub connection can be when needs overhaul pressure sensor direct upwards rotatory can, need not to dismantle the bolt, and it is more convenient to use, and save time more, be connected the position of explosion-proof visor through the block of sliding block and go-between and fix, guarantee that it covers pressure sensor's full aspect, and only can inwards press the connecting rod simultaneously, just can open the visor, when using succinctly, have higher reliability.

Description

Explosion-proof protection device for pressure sensor

Technical Field

The utility model relates to a pressure sensor technical field specifically is an explosion-proof protection device for pressure sensor.

Background

The pressure sensor is the most commonly used sensor in industrial practice, is widely applied to various industrial automatic control environments, and relates to various industries such as water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, military industry, petrochemical industry, oil wells, electric power, ships, machine tools, pipelines and the like.

However, the existing explosion-proof protection device for the pressure sensor usually adopts bolts to be fixedly installed outside the pressure sensor, so that the disassembly is inconvenient, and the bolts are required to be completely disassembled when the sensor needs to be overhauled or replaced, which is more troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure sensor is with explosion-proof protection device to solve the inconvenient dismantlement in current pressure sensor protection device installation back that above-mentioned background art provided, relatively more troublesome problem when needs overhaul pressure sensor.

In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof protection device for a pressure sensor comprises a fixing plate, a mounting plate and an explosion-proof protection cover:

the front end of the fixed plate is provided with an installation plate, and the front end of the installation plate is connected with a sensor body through a bolt;

the mounting plate is provided with a connecting shaft, and the connecting shaft is rotatably mounted at the upper end of the explosion-proof protective cover;

the lower end of the explosion-proof protective cover is provided with a connecting ring, the front end surface of the lower end of the mounting plate is provided with a limiting groove, and the connecting ring and the limiting groove form a clamping structure;

a sliding groove is formed in the mounting plate; a sliding block capable of moving left and right is arranged in the sliding groove;

the gag lever post is installed to the sliding block other end, and the outside cover of gag lever post is equipped with reset spring, the inside hub connection of mounting panel has the gear.

Preferably, the clamping grooves are formed in the left side and the right side of the explosion-proof protective cover.

Adopt above-mentioned technical dry scheme, through the setting of block groove, make things convenient for walking of sensor body to walk the line.

Preferably, torsion springs penetrate through two ends of the connecting shaft, two ends of each torsion spring are respectively connected with the explosion-proof protective cover and the mounting plate, and the torsion springs and the explosion-proof protective covers form a reset structure.

By adopting the technical scheme, the explosion-proof protective cover can automatically reset after rotating downwards through the arrangement of the two groups of torsion springs.

Preferably, two groups of connecting rings are arranged, and the connecting rings are symmetrically distributed on the left side and the right side of the central line of the explosion-proof protective cover serving as an axis.

By adopting the technical scheme, the explosion-proof protective cover is fixed by clamping the connecting ring and the limiting groove.

Preferably, the sliding block is connected with the sliding groove in a clamping manner to form a movable structure, and the upper ends of the sliding groove and the sliding block are designed into a T-shaped structure.

Adopt above-mentioned technical dry scheme, can restrict the position of sliding block through the setting of sliding tray, make it only can be in the inside activity of sliding tray, and can not break away from the sliding tray.

Preferably, one end of the sliding block forms a wedge-shaped part, and the wedge-shaped part extends into the limiting groove and is inserted into the connecting ring; the edge of one side of the front end of the wedge-shaped part, which is close to the corresponding limiting groove, forms a guide inclined plane, and the guide inclined plane faces upwards and is right opposite to the front end opening of the limiting groove.

Adopt above-mentioned technical dry scheme, can carry out the block with the go-between through the setting of sliding block and be connected, restrict the position of go-between.

Preferably, the return spring is connected with the end of the sliding block, and the return spring and the sliding block form a return structure.

Adopt above-mentioned technical scheme, can promote the sliding block through reset spring and slide to the inboard to run through to spacing inslot portion, and can promote it after outside activity and reset

Preferably, the mounting panel is inside to be provided with the second rack, and second rack and sliding block are in the both sides of gear respectively, and second rack one end is connected with the connecting rod that extends to the mounting panel outside.

Adopt above-mentioned technical scheme, through the setting of gear, can drive the synchronous activity of sliding block through first rack when the second rack activity.

Preferably, the front side and the rear side of the gear are respectively meshed with the first rack and the second rack, and the connecting rod penetrates through and extends to the outside of the mounting plate.

By adopting the technical scheme, the connecting rod is connected with the second rack, and the second rack can be driven to move by pressing the connecting rod.

Compared with the prior art, the beneficial effects of the utility model are that: the pressure sensor uses the explosion-proof protective device;

1. the explosion-proof protective cover connected through the shaft can be directly rotated upwards when the pressure sensor needs to be overhauled, the bolt does not need to be disassembled, the use is more convenient, and the time is saved;

2. the position of being connected explosion-proof visor through the block of sliding block and go-between is fixed, guarantees that it covers pressure sensor's full aspect, and only can inwards press the connecting rod simultaneously, just can open the visor, uses succinctly the time, has higher reliability.

Drawings

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

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

FIG. 3 is a schematic structural view of the sliding groove and the sliding block of the present invention;

fig. 4 is a schematic structural view of a gear and a second rack of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 4 according to the present invention.

In the figure: 1. a fixing plate; 2. mounting a plate; 3. a sensor body; 4. a connecting shaft; 5. an explosion-proof protective cover; 6. a clamping groove; 7. a torsion spring; 8. a connecting ring; 9. a limiting groove; 10. a sliding groove; 11. a slider; 12. a first rack; 13. a limiting rod; 14. a return spring; 15. a gear; 16. a second rack; 17. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an explosion-proof protection device for pressure sensor, includes fixed plate 1, mounting panel 2 and explosion-

proof visor

5, and 1 front end of fixed plate is provided with

mounting panel

2, and 2 front end bolted connections of mounting panel have sensor body 3, installs connecting axle 4 on the mounting panel 2, and connecting axle 4 rotates and installs in the upper end position of explosion-proof visor 5, and block groove 6 has been seted up to the 5 left and right sides of explosion-proof visor. The connecting shaft 4 is rotatably arranged on the mounting plate 2, two ends of the connecting shaft are respectively and movably sleeved with a torsion spring 7, two ends of the torsion spring 7 are respectively and fixedly connected with the corresponding sides of the explosion-proof protective cover 5 and the mounting plate 2, and the torsion spring 7 enables the explosion-proof protective cover 5 to be automatically opened. This embodiment runs through explosion-proof visor 5 through connecting axle 4 and installs it, and explosion-proof visor 5 can rotate around connecting axle 4, overhauls or when dismantling pressure sensor body 3 as needs, only need upwards rotate explosion-proof visor 5 can, and through torsion spring 7's setting, can drive explosion-proof visor 5 automatic upwards rotatory.

Referring to fig. 1-5, the lower end of the explosion-proof protection cover 5 is provided with a connection ring 8, the front end surface of the lower end of the mounting plate 2 is provided with a limit groove 9, and the connection ring 8 and the limit groove 9 form a clamping structure. A sliding groove 10 is formed in the mounting plate 2; sliding block 11 is arranged inside sliding groove 10, first rack 12 is arranged at the lower end of sliding block 11, limiting rod 13 is installed at the other end of sliding block 11, return spring 14 is sleeved outside limiting rod 13, gear 15 is connected to the inside shaft of mounting plate 2, and second rack 16 is arranged inside mounting plate 2. The connecting rings 8 are arranged in two groups, the connecting rings 8 are symmetrically distributed on the left side and the right side of the axis which is the central line of the explosion-proof protective cover 5, the sliding blocks 11 are connected with the sliding grooves 10 in a clamping mode to form a movable structure, and the upper ends of the sliding grooves 10 and the sliding blocks 11 are both designed in a T-shaped structure. One end of the sliding block 11 is a wedge-shaped part and penetrates into the limiting groove 9, the wedge-shaped part is inserted into the connecting ring 8 along with the movement of the sliding block 11 in a butting manner, the reset spring 14 is connected with the end part of the sliding block 11, the reset spring 14 and the sliding block 11 form a reset structure, the sliding block 11 can be pushed to slide towards the limiting groove 9 in the sliding groove 10 through the arrangement of the reset spring 14, the sliding block 11 can be prevented from being separated from the sliding groove 10 by the T-shaped sliding groove 10, the sliding block 11 can be clamped and connected with the connecting ring 8, the positions of the connecting ring 8 and the explosion-proof protective cover 5 are fixed, and the explosion-proof protective cover 5 can be ensured to keep covering the pressure sensor body 3; the inside second rack 16 that is provided with of mounting panel 2, and second rack 16 and sliding block 11 are in the both sides of gear 15 respectively, and 16 one end of second rack is connected with the connecting rod 17 that extends to the mounting panel 2 outside, the gear 15 both ends are connected with first rack 12 and the meshing of second rack 16 respectively, and gear 15 constitutes the active structure with first rack 12 and second rack 16, connecting rod 17 runs through and extends to the mounting panel 2 outside, can drive the inside activity of second rack 16 through pressing down connecting rod 17 in step inwards, and it is rotatory to drive gear 15 through second rack 16, drive sliding block 11 through first rack 12 and move to the outside when gear 15 is rotatory, remove the position restriction to go-between 8, and then open explosion-proof protective cover 5.

The working principle is as follows: when the explosion-proof protection device for the pressure sensor is used, the explosion-proof protection cover 5 penetrates through the connecting shaft 4 to be installed, the explosion-proof protection cover 5 can rotate around the connecting shaft 4, when the pressure sensor body 3 needs to be overhauled or disassembled, only the explosion-proof protection cover 5 needs to be rotated upwards, through the arrangement of the reset spring 14, the sliding block 11 can be pushed to slide towards the limiting groove 9 in the sliding groove 10, the T-shaped sliding groove 10 can prevent the sliding block 11 from being separated from the sliding groove 10, the sliding block 11 can be connected with the connecting ring 8 in a clamping mode, the positions of the connecting ring 8 and the explosion-proof protection cover 5 are fixed, the explosion-proof protection cover 5 can be ensured to keep covering protection on the pressure sensor body 3, the connecting rod 17 can be synchronously pressed inwards to drive the second rack 16 to move inwards, the gear 15 is driven to rotate through the second rack 16, when the gear 15 rotates, the sliding block 11 is driven to move outwards through the first rack 12, the position limitation on the connecting ring 8 is removed, and through the arrangement of the torsion spring 7, the explosion-proof protection cover 5 can be driven to automatically rotate upwards.

To thereby carry out a series of tasks, the contents of which are not described in detail in the present specification are prior art well known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an explosion-proof protection device for pressure sensor, includes fixed plate (1) mounting panel (2) and explosion-proof visor (5), its characterized in that:

the front end of the fixed plate (1) is provided with a mounting plate (2), and the front end of the mounting plate (2) is connected with a sensor body (3) through a bolt;

the mounting plate (2) is provided with a connecting shaft (4), and the connecting shaft (4) is rotatably mounted at the upper end of the explosion-proof protective cover (5);

a connecting ring (8) is mounted at the lower end of the explosion-proof protective cover (5), a limiting groove (9) is formed in the front end face of the lower end of the mounting plate (2), and the connecting ring (8) and the limiting groove (9) form a clamping structure;

a sliding groove (10) is formed in the mounting plate (2); a sliding block (11) capable of moving left and right is arranged in the sliding groove (10);

slide block (11) other end is installed gag lever post (13), and gag lever post (13) outside cover is equipped with reset spring (14), mounting panel (2) internal shaft is connected with gear (15).

2. An explosion-proof protection device for a pressure sensor according to claim 1, wherein: clamping grooves (6) are formed in the left side and the right side of the explosion-proof protective cover (5).

3. An explosion-proof protection device for a pressure sensor according to claim 1, wherein: torsion spring (7) penetrate through two ends of the connecting shaft (4), two ends of the torsion spring (7) are respectively connected with the explosion-proof protective cover (5) and the mounting plate (2), and the torsion spring (7) and the explosion-proof protective cover (5) form a reset structure.

4. The explosion-proof protection device for the pressure sensor according to claim 1, characterized in that: two groups of connecting rings (8) are arranged, and the connecting rings (8) are symmetrically distributed on the left side and the right side of the central line of the explosion-proof protective cover (5).

5. An explosion-proof protection device for a pressure sensor according to claim 1, wherein: the sliding block (11) is connected with the sliding groove (10) in a clamping mode to form a movable structure, and the upper ends of the sliding groove (10) and the sliding block (11) are both in T-shaped structural design.

6. The explosion-proof protection device for the pressure sensor according to claim 5, characterized in that: one end of the sliding block (11) forms a wedge-shaped part, and the wedge-shaped part extends into the limiting groove (9) and is inserted into the connecting ring (8); the edge of one side of the front end of the wedge-shaped part, which is close to the corresponding limiting groove (9), forms a guide inclined plane, and the guide inclined plane faces upwards and is right opposite to the front end opening of the limiting groove (9).

7. An explosion-proof protection device for a pressure sensor according to claim 1, wherein: reset spring (14) and sliding block (11) end connection, and reset spring (14) and sliding block (11) constitute reset structure.

8. An explosion-proof protection device for a pressure sensor according to claim 1, wherein: the inside second rack (16) that is provided with of mounting panel (2), and second rack (16) and sliding block (11) are in the both sides of gear (15) respectively, and second rack (16) one end is connected with connecting rod (17) that extend to mounting panel (2) outside.

9. An explosion-proof protection device for a pressure sensor according to claim 8, wherein: the front side and the rear side of the gear (15) are respectively meshed with the first rack (12) and the second rack (16), and the connecting rod (17) penetrates through and extends to the outside of the mounting plate (2).