CN214224423U

CN214224423U - Membrane type hydrostatic pressure sensor

Info

Publication number: CN214224423U
Application number: CN202022990924.4U
Authority: CN
Inventors: 申思磊; 任伟伟; 申珂
Original assignee: Xi'an Xunbo Electronic Technology Co ltd
Current assignee: Shanghai Endless Sensor Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-09-17
Anticipated expiration: 2030-12-14

Abstract

The utility model relates to the technical field of sensor, and a membrane hydrostatic pressure sensor is disclosed, including water container, the jack has all been seted up to water container's lower lateral wall and right side wall, it has the sensor body to peg graft in the jack, water container lower lateral wall and the equal fixedly connected with connecting plate of right side wall, two backup pads of the lateral wall symmetry fixedly connected with of connecting plate, the connection chamber has been seted up to the inside of connecting plate, the inner wall in connection chamber rotates through the bearing and is connected with the connecting rod, the transmission chamber has all been seted up to the lateral wall of connecting the chamber left and right sides, the supported hole has all been seted up to the last lateral wall in transmission chamber and the lower lateral wall of backup pad, the inner wall in supported hole rotates through the bearing and is connected with the bracing piece, the equal fixedly connected with in both ends of connecting rod connects the helical gear. The utility model discloses can accomplish the sensor in the flourishing water receptacle outside can the dismouting, shorten the required time of dismouting equipment, improve the work efficiency of water pressure test.

Description

Membrane type hydrostatic pressure sensor

Technical Field

The utility model relates to a sensor technical field especially relates to a membrane formula hydrostatic pressure sensor.

Background

At present, liquid column type, elastic type and electric type pressure gauges are generally adopted to test the liquid pressure. The liquid column type pressure gauge adopts a glass tube and scales and adopts a manual reading test mode; the elastic pressure gauge adopts pressure measuring modes such as a pressure gauge and a spring tube; the electric pressure gauge adopts strain gauge, capacitor, inductor and other testing methods.

In patent publication No. CN 202158924U, a membrane type hydrostatic pressure sensor is proposed, which is characterized in that: the machine cap, the machine body and the bottom cover which are connected with each other by screw thread form a cylinder body, and the top of the machine cap is provided with a through hole; the cylinder body is axially divided into two chambers by an elastic membrane arranged on the cross section of the machine body, one chamber is a pressurized chamber communicated with a pressure environment to be detected, the other chamber is a detection chamber communicated with the atmosphere, a modulation plate is arranged in the detection chamber and is spaced from the elastic membrane, and the modulation plate is provided with a vent hole; and a magnetic steel block is arranged in the center of the elastic membrane. This patent adaptation is environment under water, can direct output signal of telecommunication so that with the real-time online of computer data processing system, this patent is when the installation sensor, and operating personnel need insert the sensor container bottom plate, then stretch into the hand container inside and utilize the spanner to rotate the nut and fix the sensor, and the dismouting all is comparatively troublesome at every turn, influences the efficiency of water pressure test.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art when the installation sensor, operating personnel need insert the container bottom plate with the sensor, then stretch into the inside spanner that utilizes of container with the hand and rotate the nut and fix the sensor, and the dismouting is all comparatively troublesome at every turn, influences the problem of water pressure efficiency of software testing, and a diaphragm hydrostatic pressure sensor who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a membrane type hydrostatic pressure sensor comprises a water container, jacks are formed in the lower side wall and the right side wall of the water container, a sensor body is inserted in the jacks, a connecting plate is fixedly connected to the lower side wall and the right side wall of the water container, two supporting plates are symmetrically and fixedly connected to the side walls of the connecting plate, a connecting cavity is formed in the connecting plate, the inner wall of the connecting cavity is rotatably connected with a connecting rod through a bearing, transmission cavities are formed in the side walls of the left side and the right side of the connecting cavity, supporting holes are formed in the upper side wall of each transmission cavity and the lower side wall of each supporting plate, a supporting rod is rotatably connected to the inner wall of each supporting hole through a bearing, connecting bevel gears are fixedly connected to the two ends of the connecting rod, supporting bevel gears are fixedly connected to the upper end and the lower end of the supporting rod, a working cavity is formed in the upper side wall of each supporting hole, the utility model discloses a sensor body, including sensor body, telescopic hole, threaded cylinder, sensor body, the fixed cover of outer wall is equipped with the collar plate, the outer wall of collar plate is opened and is established to the inclined plane that matches each other with the inclined plane piece.

Preferably, the fixed cover of pole wall of connecting rod is equipped with driven helical gear, the gear groove that matches each other with driven helical gear is seted up to the inner wall in connection chamber, the hole has been seted up to the lateral wall in gear groove, the inner wall in hole rotates through the bearing and is connected with the bull stick, the upper end fixedly connected with of bull stick and the driving helical gear that matches each other of driven helical gear, the lower extreme of bull stick is equipped with the rotary drum, the bull stick is located a plurality of springs of fixedly connected with in the rotary drum, the fixed cover of outer wall of rotary drum is equipped with the collar, two spacer pins of lower side wall symmetry fixedly connected with of collar, the lower side wall fixedly connected with protection casing of connecting plate, the opening that matches each other with the rotary drum is seted up to the lateral wall of protection casing, the lower side wall of protection casing is seted up a plurality of spacer holes that match each other with the spacer pin.

Preferably, the lateral wall of backup pad symmetry fixedly connected with two cross sections are for the slide bar of type of falling L structure, the spout that matches each other with the slide bar is seted up to the pole wall of threaded rod.

Preferably, the upper side wall of the ring plate is fixedly connected with a sealing ring, and the lower side wall of the water container is provided with a sealing groove matched with the sealing ring.

Preferably, the inner wall of the rotating cylinder is symmetrically provided with two sliding grooves, and the rod wall of the rotating rod is symmetrically and fixedly connected with two sliding plates matched with the sliding grooves.

Preferably, the spring is made of aluminum alloy.

Compared with the prior art, the utility model provides a membrane hydrostatic pressure sensor possesses following beneficial effect:

this diaphragm type hydrostatic pressure sensor through flourishing water receptacle, jack, sensor body, connecting plate, backup pad, connection chamber, connecting rod, transmission chamber, supported hole, bracing piece, connection helical gear, support helical gear, working chamber, concertina hole, a screw section of thick bamboo, working helical gear, threaded rod, the inclined plane piece that sets up, can the dismouting accomplish the sensor in the flourishing water receptacle outside, has shortened the required time of dismouting equipment, has improved the work efficiency of water pressure test.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can accomplish the sensor in the flourishing water receptacle outside the dismouting, shorten the required time of dismouting equipment, improve the work efficiency of water pressure test.

Drawings

Fig. 1 is a schematic structural diagram of a membrane type hydrostatic pressure sensor according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic view of the internal structures of the connecting plate and the supporting plate in the membrane type hydrostatic pressure sensor according to the present invention;

fig. 4 is an enlarged schematic view of a portion B in fig. 3.

In the figure: 1 water container, 2 jacks, 3 sensor bodies, 4 connecting plates, 5 supporting plates, 6 connecting cavities, 7 connecting rods, 8 transmission cavities, 9 supporting holes, 10 supporting rods, 11 connecting bevel gears, 12 supporting bevel gears, 13 working cavities, 14 telescopic holes, 15 threaded cylinders, 16 working bevel gears, 17 threaded rods, 18 rings of plates, 19 driven bevel gears, 20 gear grooves, 21 rotating holes, 22 rotating rods, 23 driving bevel gears, 24 rotating cylinders, 25 springs, 26 rings of plates, 27 limiting pins, 28 protective covers, 29 openings, 30 limiting holes, 31 sliding rods, 32 sliding grooves, 33 sealing rings, 34 sealing grooves, 35 sliding grooves, 36 sliding plates and 37 bevel blocks.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a membrane type hydrostatic pressure sensor comprises a water container 1, a lower side wall and a right side wall of the water container 1 are both provided with jacks 2, a sensor body 3 is inserted into the jacks 2, the lower side wall and the right side wall of the water container 1 are both fixedly connected with a connecting plate 4, the side wall of the connecting plate 4 is symmetrically and fixedly connected with two supporting plates 5, a connecting cavity 6 is arranged inside the connecting plate 4, the inner wall of the connecting cavity 6 is rotatably connected with a connecting rod 7 through a bearing, the side walls of the left side and the right side of the connecting cavity 6 are both provided with a transmission cavity 8, the upper side wall of the transmission cavity 8 and the lower side wall of the supporting plate 5 are both provided with supporting holes 9, the inner wall of the supporting hole 9 is rotatably connected with a supporting rod 10 through a bearing, both ends of the connecting rod 7 are both fixedly connected with bevel gears 11, both upper and lower ends of the supporting rod 10 are both fixedly connected with supporting bevel gears 12, and the upper side wall of the supporting holes 9 are provided with working cavities 13, the lateral wall of working chamber 13 has seted up flexible hole 14, and the inner wall of flexible hole 14 rotates through the bearing and is connected with screw cylinder 15, and screw cylinder 15 is located the one end fixedly connected with work helical gear 16 of working chamber 13, and the threaded bush is equipped with threaded rod 17 in screw cylinder 15, and threaded rod 17 stretches out the one end fixedly connected with inclined plane piece 37 of screw cylinder 15, and the outer wall fixed cover of sensor body 3 is equipped with circle board 18, and the inclined plane of establishing to mutually matcing with inclined plane piece 37 is opened to the outer wall of circle board 18.

The fixed cover of pole wall of connecting rod 7 is equipped with driven helical gear 19, connect the gear groove 20 that matches each other with driven helical gear 19 to be seted up to the inner wall of chamber 6, the hole 21 has been seted up to the lateral wall of gear groove 20, the inner wall of hole 21 rotates through the bearing and is connected with bull stick 22, the upper end fixedly connected with of bull stick 22 and the initiative helical gear 23 that matches each other of driven helical gear 19, the lower extreme of bull stick 22 is equipped with rotary drum 24, bull stick 22 is located rotary drum 24 and a plurality of springs 25 of fixedly connected with, the outer wall fixed cover of rotary drum 24 is equipped with collar 26, two spacer pins 27 of lower lateral wall symmetry fixedly connected with of collar 26, the lower lateral wall fixedly connected with protection casing 28 of connecting plate 4, opening 29 that matches each other with rotary drum 24 is seted up to the lateral wall of protection casing 28, a plurality of spacer holes 30 that match each other with spacer pin 27 are seted up to the lower lateral wall of protection casing 28, conveniently rotate bull stick 22.

The lateral wall symmetry fixedly connected with of backup pad 5 is two slide bars 31 that the cross section is the type of falling L structure, and the pole wall of threaded rod 17 is seted up the spout 32 that matches each other with slide bar 31, avoids threaded rod 17 rotatory through mutually supporting of slide bar 31 and spout 32, makes threaded rod 17 only can remove about the horizontal direction.

The upper side wall of the ring plate 18 is fixedly connected with a sealing ring 33, and the lower side wall of the water container 1 is provided with a sealing groove 34 matched with the sealing ring 33, so that the sealing performance between the sensor body 3 and the water container 1 is improved.

Two sliding grooves 35 are symmetrically formed in the inner wall of the rotary drum 24, two sliding plates 36 matched with the sliding grooves 35 are symmetrically and fixedly connected to the rod wall of the rotary rod 22, and the rotary drum 24 can drive the rotary rod 22 to rotate.

The spring 25 is made of aluminum alloy, so that the service life of the spring 25 is prolonged.

In the utility model, when in use, the sensor body 3 is inserted into the jack 2, then the rotary drum 24 is pressed towards the direction close to the water container 1, the rotary drum 24 drives the limit pin 27 to be separated from the limit hole 30, then the rotary drum 24 is rotated, the rotary drum 24 drives the rotary rod 22 to rotate, the rotary rod 22 drives the connecting rod 7 to rotate through the mutual matching of the driving bevel gear 23 and the driven bevel gear 19, the supporting rod 10 is driven to rotate through the mutual matching of the connecting bevel gear 11 and the supporting bevel gear 12, the threaded cylinder 15 is driven to rotate through the mutual matching of the supporting bevel gear 12 and the working bevel gear 16, the threaded rod 17 and the inclined plane block 37 are driven to move to a proper position towards the direction close to the ring plate 18 through the thread matching, the actuator body 3 is fixed through the mutual matching of the inclined plane block 37 and the ring plate 18, the device can disassemble and assemble the sensor outside the water container, and shorten the time required by disassembling and assembling equipment, the working efficiency of the water pressure test is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The membrane type hydrostatic pressure sensor comprises a water container (1) and is characterized in that jacks (2) are formed in the lower side wall and the right side wall of the water container (1), a sensor body (3) is inserted in the jacks (2), a connecting plate (4) is fixedly connected to the lower side wall and the right side wall of the water container (1), two supporting plates (5) are symmetrically and fixedly connected to the side wall of the connecting plate (4), a connecting cavity (6) is formed in the connecting plate (4), a connecting rod (7) is rotatably connected to the inner wall of the connecting cavity (6) through a bearing, transmission cavities (8) are formed in the side walls of the left side and the right side of the connecting cavity (6), supporting holes (9) are formed in the upper side wall of the transmission cavity (8) and the lower side wall of the supporting plate (5), and supporting rods (10) are rotatably connected to the inner wall of the supporting holes (9) through bearings, the two ends of the connecting rod (7) are fixedly connected with connecting bevel gears (11), the upper end and the lower end of the supporting rod (10) are fixedly connected with supporting bevel gears (12), the upper side wall of the supporting hole (9) is provided with a working cavity (13), the side wall of the working cavity (13) is provided with a telescopic hole (14), the inner wall of the telescopic hole (14) is rotationally connected with a threaded cylinder (15) through a bearing, one end of the threaded cylinder (15) positioned in the working cavity (13) is fixedly connected with a working helical gear (16), a threaded rod (17) is sleeved on the inner thread of the threaded cylinder (15), one end of the threaded rod (17) extending out of the threaded cylinder (15) is fixedly connected with a bevel block (37), the outer wall of the sensor body (3) is fixedly sleeved with a ring plate (18), and the outer wall of the ring plate (18) is provided with an inclined plane matched with the inclined plane block (37).

2. The membrane type hydrostatic pressure sensor according to claim 1, wherein the rod wall of the connecting rod (7) is fixedly sleeved with a driven bevel gear (19), the inner wall of the connecting cavity (6) is provided with a gear groove (20) matched with the driven bevel gear (19), the side wall of the gear groove (20) is provided with a rotating hole (21), the inner wall of the rotating hole (21) is rotatably connected with a rotating rod (22) through a bearing, the upper end of the rotating rod (22) is fixedly connected with a driving bevel gear (23) matched with the driven bevel gear (19), the lower end of the rotating rod (22) is provided with a rotating cylinder (24), the rotating rod (22) is positioned in the rotating cylinder (24) and is fixedly connected with a plurality of springs (25), the outer wall of the rotating cylinder (24) is fixedly sleeved with a ring (26), and the lower side wall of the ring (26) is symmetrically and fixedly connected with two limit pins (27), the lower side wall of the connecting plate (4) is fixedly connected with a protective cover (28), the side wall of the protective cover (28) is provided with an opening (29) matched with the rotary drum (24), and the lower side wall of the protective cover (28) is provided with a plurality of limiting holes (30) matched with the limiting pins (27).

3. The membrane type hydrostatic pressure sensor according to claim 1, wherein the side wall of the support plate (5) is symmetrically and fixedly connected with two sliding rods (31) with inverted-L-shaped cross sections, and the rod wall of the threaded rod (17) is provided with sliding grooves (32) matched with the sliding rods (31).

4. The membrane type hydrostatic pressure sensor according to claim 1, wherein a sealing ring (33) is fixedly connected to an upper side wall of the ring plate (18), and a sealing groove (34) matched with the sealing ring (33) is formed in a lower side wall of the water container (1).

5. The diaphragm type hydrostatic pressure sensor according to claim 2, wherein the inner wall of the rotary drum (24) is symmetrically provided with two sliding grooves (35), and two sliding plates (36) matched with the sliding grooves (35) are symmetrically and fixedly connected to the rod wall of the rotary rod (22).

6. A diaphragm hydrostatic pressure sensor according to claim 2, wherein the spring (25) is made of an aluminum alloy.