CN218035509U

CN218035509U - Differential pressure sensor testing device

Info

Publication number: CN218035509U
Application number: CN202221932893.XU
Authority: CN
Inventors: 陈星明
Original assignee: Foshan Hedi Sensitive Instrument Co ltd
Current assignee: Foshan Hedi Sensitive Instrument Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-12-13
Anticipated expiration: 2032-07-25

Abstract

The utility model discloses a differential pressure sensor testing arrangement belongs to differential pressure sensor test technical field, including first casing, the lower extreme of first casing is provided with supplementary shell, the front end of first casing is provided with detection mechanism, the utility model discloses a set up the joint subassembly, put the second casing on first casing when the second casing needs the installation, the pulling handle drives the slide bar and upwards slides in the right-angle plate, the slide bar drives clamp plate rebound, the spring receives the compression simultaneously, later remove the handle and remove to second casing one side, the right-angle plate slides on the dead lever, loosen the handle when the clamp plate reachs second casing upside, the spring bullet stretches the clamp plate that drives the slide bar lower extreme and presses to hold fixedly to the second casing, the rubber strip of second casing lower extreme receives the extrusion simultaneously, it is better to make the leakproofness between second casing and the first casing, make things convenient for the second casing to install fixedly through setting up the joint subassembly, improve the device practicality.

Description

Differential pressure sensor testing device

Technical Field

The utility model belongs to the technical field of the differential pressure sensor test, concretely relates to differential pressure sensor testing arrangement.

Background

A differential pressure sensor is a sensor used to measure the difference between two pressures, and is typically used to measure the pressure difference across a device or component.

The prior art discloses a differential pressure sensor detection device and differential pressure sensor detecting system, inconvenient being connected fixedly between the second casing of former device and the second and the casing, the practicality is lower, and the inconvenient placing of the first casing of former device simultaneously, first casing directly place on the mesa use can lead to the auxiliary shell and the mesa contact of first casing lower extreme, influence device normal use.

SUMMERY OF THE UTILITY MODEL

For solving the problem that proposes among the above-mentioned background art, the utility model provides a differential pressure sensor testing arrangement has between second casing and the second and the casing conveniently to be connected fixedly, the higher characteristics of practicality.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a differential pressure sensor testing arrangement, includes first casing, the lower extreme of first casing is provided with supplementary shell, the front end of first casing is provided with detection mechanism, the inside lower extreme setting and the circuit board of first casing, the upper end of circuit board is provided with differential pressure sensor, the upper end of first casing is provided with the second casing, be connected through the joint subassembly between second casing and the first casing.

Preferably, the joint subassembly includes right-angle plate, dead lever, rubber strip, clamp plate, handle, slide bar and spring, wherein, the lower extreme of second casing is provided with the rubber strip, the outside upper end of first casing is provided with a plurality of right-angle plates, the position that the first casing outside corresponds with the right-angle plate is provided with the dead lever, the upper end both sides of right-angle plate are run through and are provided with the slide bar, two be provided with the clamp plate between the slide bar lower extreme, two be provided with the handle between the slide bar upper end, the surface of slide bar is provided with the spring between clamp plate and the right-angle plate.

Preferably, the right-angle plate and the fixed rod and the sliding rod and the right-angle plate are both in sliding connection, and a limiting plate is arranged at one end, far away from the first shell, of the fixed rod.

Preferably, the fixing rod and the first shell and the sliding rod and the pressing plate are welded through spot welding, and the handle and the sliding rod are of a welding integrated structure.

Preferably, first casing both ends downside is provided with the mounting panel, the downside of mounting panel is provided with the bottom plate, both sides are provided with the bracing piece between bottom plate and the mounting panel, two be provided with a plurality of connecting rods between the bracing piece, the lower extreme of bottom plate is provided with a plurality of sucking discs.

Preferably, the mounting plate is connected with the first shell through bolts, and the mounting plate, the supporting rod and the bottom plate are of a welded integrated structure.

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

1. the utility model discloses a set up the joint subassembly, put the second casing on first casing when the second casing needs to be installed, the pulling handle drives the slide bar and upwards slides in the right-angle plate, the slide bar drives clamp plate rebound, the spring receives the compression simultaneously, later remove the handle to second casing one side removal, the right-angle plate slides on the dead lever, loosen the handle when the clamp plate reachs second casing upside, the spring bullet is stretched and is driven the clamp plate of slide bar lower extreme and press the second casing and hold fixedly, the rubber strip of second casing lower extreme receives the extrusion simultaneously, make the leakproofness better between second casing and the first casing, make things convenient for the second casing to install fixedly through setting up the joint subassembly, the high-speed device practicality is improved.

2. The utility model discloses a set up the bottom plate, pass through the bolt with the mounting panel and install at first casing both ends downside, bracing piece and bottom plate can support first casing, can adsorb the sucking disc that passes through the lower extreme with the bottom plate simultaneously and fix on the mesa, reach the effect of fixing first casing, it makes more firm between the bracing piece to set up a plurality of connecting rods between two bracing pieces, bracing piece and bottom plate support fixed back to first casing, can avoid the auxiliary shell of first casing lower extreme to contact the inconvenient test work of carrying out to differential pressure sensor of mesa.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the second housing of the present invention;

FIG. 3 is a bottom perspective view of the second housing of the present invention;

FIG. 4 is an enlarged view of the point A of FIG. 2 according to the present invention;

in the figure: 1. a first housing; 2. mounting a plate; 3. a base plate; 4. a detection mechanism; 5. a support bar; 6. a clamping assembly; 61. a right-angle plate; 62. a fixing rod; 63. a rubber strip; 64. pressing a plate; 65. a handle; 66. a slide bar; 67. a spring; 7. a second housing; 8. a circuit board; 9. an auxiliary housing; 10. a differential pressure sensor; 11. a connecting rod; 12. and (4) sucking discs.

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.

Example 1

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a differential pressure sensor testing arrangement, includes first casing 1, and the lower extreme of first casing 1 is provided with supplementary shell 9, and the front end of first casing 1 is provided with detection mechanism 4, and the inside lower extreme setting of first casing 1 and circuit board 8, the upper end of circuit board 8 are provided with differential pressure sensor 10, and the upper end of first casing 1 is provided with second casing 7, is connected through joint subassembly 6 between second casing 7 and the first casing 1.

Specifically, joint subassembly 6 includes right angle board 61, the dead lever 62, rubber strip 63, clamp plate 64, handle 65, slide bar 66 and spring 67, wherein, the lower extreme of second casing 7 is provided with rubber strip 63, the outside upper end of first casing 1 is provided with a plurality of right angle boards 61, the position that the first casing 1 outside corresponds with right angle board 61 is provided with dead lever 62, the upper end both sides of right angle board 61 are run through and are provided with slide bar 66, be provided with clamp plate 64 between two slide bar 66 lower extremes, be provided with handle 65 between two slide bar 66 upper ends, the surface of slide bar 66 is provided with spring 67 between clamp plate 64 and the right angle board 61.

Through adopting above-mentioned technical scheme, make things convenient for second casing 7 to install fixedly through setting up joint subassembly 6, improve the device practicality.

Specifically, the right-angle plate 61 and the fixing rod 62 as well as the sliding rod 66 and the right-angle plate 61 are both in sliding connection, and a limiting plate is arranged at one end, far away from the first shell 1, of the fixing rod 62.

Through adopting above-mentioned technical scheme, make right-angle board 61 can slide on dead lever 62, slide bar 66 can slide in right-angle board 61, sets up the limiting plate and can play limiting displacement to right-angle board 61 in dead lever 62 one end.

Specifically, the fixing rod 62 and the first casing 1 and the sliding rod 66 and the pressing plate 64 are welded by spot welding, and the handle 65 and the sliding rod 66 are welded into an integral structure.

By adopting the technical scheme, spot welding enables the fixing rod 62 and the first shell 1 and the sliding rod 66 and the pressure plate 64 to be firmer, and the handle 65 and the sliding rod 66 are welded into a whole, so that the structure is firmer and more durable.

When the device is used, when the differential pressure sensor 10 is tested, the device is installed at a proper position, the differential pressure sensor 10 is installed on the circuit board 8, the circuit board 8 is installed in the first shell 1, the second shell 7 is installed at the upper end of the first shell 1, the pressure inside the first shell 1 and the pressure inside the auxiliary shell 9 are collected through the detection mechanism 4, whether a difference exists between the air pressure values of the two is judged, and the effect of detecting the differential pressure sensor 10 is achieved;

example 2

The present embodiment is different from embodiment 1 in that: the lower side of the two ends of the first shell 1 is provided with a mounting plate 2, the lower side of the mounting plate 2 is provided with a bottom plate 3, the two sides between the bottom plate 3 and the mounting plate 2 are provided with support rods 5, a plurality of connecting rods 11 are arranged between the two support rods 5, and the lower end of the bottom plate 3 is provided with a plurality of suckers 12.

Through adopting above-mentioned technical scheme, bracing piece 5 and bottom plate 3 support fixed back to first casing 1, can avoid the auxiliary housing 9 of first casing 1 lower extreme to contact the inconvenient differential pressure sensor 10 of mesa to carry out test work.

Specifically, the mounting plate 2 is connected with the first shell 1 through a bolt, and the mounting plate 2, the support rod 5 and the bottom plate 3 are of a welded integrated structure.

Through adopting above-mentioned technical scheme, bolted connection makes things convenient for the installation of mounting panel 2, and mounting panel 2,

bracing piece

5 and 3 formula structures as an organic whole of welding are firmer.

When this embodiment uses, through setting up bottom plate 3, install mounting panel 2 at 1 both ends downside of first casing through the bolt, bracing piece 5 and bottom plate 3 can support first casing 1, simultaneously can adsorb bottom plate 3 through the sucking disc 12 of lower extreme and fix on the mesa, reach the effect of fixing first casing 1, it makes more firm between bracing piece 5 to set up a plurality of connecting rods 11 between two bracing pieces 5, bracing piece 5 and bottom plate 3 support fixed back to first casing 1, can avoid the auxiliary shell 9 of 1 lower extreme of first casing to contact the inconvenient test work of differential pressure sensor 10 of mesa.

The utility model discloses in first casing 1, detection mechanism 4, second casing 7, circuit board 8, supplementary shell 9 and differential pressure sensor 10's structure and theory of operation have disclosed in chinese patent publication No. CN214373116U a differential pressure sensor detection device and differential pressure sensor detecting system, its theory of operation is to install differential pressure sensor 10 on circuit board 8, install circuit board 8 into first casing 1 again, install second casing 7 in first casing 1 upper end, gather first casing 1 inside and supplementary shell 9 internal pressure through detection mechanism 4, judge whether there is the difference in the two atmospheric pressure value, reach the effect of carrying out the detection to differential pressure sensor 10.

The utility model discloses a theory of operation and use flow: when the differential pressure sensor 10 is tested, the device is installed at a proper position, the differential pressure sensor 10 is installed on the circuit board 8, the circuit board 8 is installed in the first housing 1, the second housing 7 is installed at the upper end of the first housing 1, the detection mechanism 4 is used for collecting the pressure in the first shell 1 and the pressure in the auxiliary shell 9, judging whether the air pressure values of the first shell and the auxiliary shell are different or not, achieving the effect of detecting the differential pressure sensor 10, by arranging the clamping assembly 6, when the second shell 7 needs to be installed, the second shell 7 is placed on the first shell 1, the handle 65 is pulled to drive the sliding rod 66 to slide upwards in the right-angle plate 61, the sliding rod 66 drives the pressing plate 64 to move upwards, while the spring 67 is compressed, and then the moving handle 65 is moved toward the second housing 7 side, the right-angle plate 61 is slid on the fixing rod 62, when the pressing plate 64 reaches the upper side of the second shell 7, the handle 65 is released, the spring 67 is extended to drive the pressing plate 64 at the lower end of the sliding rod 66 to press and fix the second shell 7, meanwhile, the rubber strip 63 at the lower end of the second shell 7 is extruded, so that the sealing performance between the second shell 7 and the first shell 1 is better, the clamping component 6 is arranged to facilitate the installation and fixation of the second shell 7, the practicability of the device is improved, by arranging the bottom plate 3, the mounting plates 2 are mounted at the lower sides of the two ends of the first shell 1 through bolts, the support rods 5 and the bottom plate 3 can support the first shell 1, meanwhile, the bottom plate 3 can be fixed on the table-board by the suction cup 12 at the lower end, so as to achieve the effect of fixing the first shell 1, a plurality of connecting rods 11 are arranged between the two supporting rods 5 to ensure that the supporting rods 5 are more stable, after the supporting rods 5 and the bottom plate 3 support and fix the first shell 1, the inconvenience of the auxiliary case 9 at the lower end of the first housing 1 contacting the table top to test the differential pressure sensor 10 can be avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A differential pressure sensor testing device comprises a first shell (1), and is characterized in that: the lower extreme of first casing (1) is provided with auxiliary housing (9), the front end of first casing (1) is provided with detection mechanism (4), the inside lower extreme setting and circuit board (8) of first casing (1), the upper end of circuit board (8) is provided with differential pressure sensor (10), the upper end of first casing (1) is provided with second casing (7), be connected through joint subassembly (6) between second casing (7) and first casing (1).

2. The differential pressure sensor testing apparatus of claim 1, wherein: joint subassembly (6) are including right angle board (61), dead lever (62), rubber strip (63), clamp plate (64), handle (65), slide bar (66) and spring (67), wherein, the lower extreme of second casing (7) is provided with rubber strip (63), the outside upper end of first casing (1) is provided with a plurality of right angle boards (61), the position that first casing (1) outside and right angle board (61) correspond is provided with dead lever (62), the upper end both sides of right angle board (61) are run through and are provided with slide bar (66), two be provided with clamp plate (64) between slide bar (66) lower extreme, two be provided with handle (65) between slide bar (66) upper end, the surface of slide bar (66) is provided with spring (67) between clamp plate (64) and right angle board (61).

3. The differential pressure sensor testing apparatus of claim 2, wherein: the right-angle plate (61) and the fixed rod (62) as well as the sliding rod (66) and the right-angle plate (61) are connected in a sliding mode, and a limiting plate is arranged at one end, far away from the first shell (1), of the fixed rod (62).

4. The differential pressure sensor testing apparatus of claim 2, wherein: the fixing rod (62) and the first shell (1) and the sliding rod (66) and the pressing plate (64) are welded through spot welding, and the handle (65) and the sliding rod (66) are of a welded integral structure.

5. The differential pressure sensor testing apparatus of claim 1, wherein: the mounting plate is characterized in that mounting plates (2) are arranged on the lower sides of the two ends of the first shell (1), a bottom plate (3) is arranged on the lower side of each mounting plate (2), supporting rods (5) are arranged on the two sides between the bottom plate (3) and the mounting plates (2), a plurality of connecting rods (11) are arranged between the supporting rods (5), and a plurality of suckers (12) are arranged at the lower end of the bottom plate (3).

6. The differential pressure sensor testing apparatus of claim 5, wherein: the mounting plate (2) is connected with the first shell (1) through bolts, and the mounting plate (2), the supporting rod (5) and the bottom plate (3) are of a welding integrated structure.