CN218765757U

CN218765757U - Piston pressure sensor

Info

Publication number: CN218765757U
Application number: CN202222723601.8U
Authority: CN
Inventors: 刘晓聪
Original assignee: Shenzhen Hongxintai Technology Development Co ltd
Current assignee: Shenzhen Hongxintai Technology Development Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-03-28
Anticipated expiration: 2032-10-14

Abstract

The utility model discloses a piston pressure sensor, including shell and determine module, the inside fixedly connected with connecting block of shell, the upper end middle part of shell is run through and has been seted up the probe hole, and the lower extreme fixedly connected with connecting block of shell, the thread groove has been seted up to the surface of connecting block, and the lower extreme fixedly connected with of thread groove can replace viscidity subsides, and the surface threaded connection of connecting block has replaceable installation component, the size of connecting block and the size looks adaptation of replacing viscidity subsides. The piston pressure sensor of the utility model achieves the purposes of improving the detection precision and prolonging the service life of the sensor by arranging the detection component; by arranging the replaceable mounting component, the purposes of improving the application range of the sensor and facilitating the fixed measurement of the sensor are achieved.

Description

Piston pressure sensor

Technical Field

The utility model relates to a sensor technical field, in particular to piston pressure sensor.

Background

The current optic fibre pressure sensor who measures fluid pressure all adopts elastic diaphragm as the pressure-sensitive device, however, the fluid pressure that each position of elastic diaphragm contacted generally distributes unevenly, more or less all can have certain pressure differential, make each position of elastic diaphragm warp unevenly, influence the measurement accuracy of sensor, the elastic diaphragm takes place arc deformation when warping, it is comparatively loaded down with trivial details to measurement and the calculation to the pressure that leads to this arc deformation, and simultaneously, the elastic diaphragm receives external disturbance or damage very easily, the performance of sensor probe is unstable, and life is short, and current sensor installation is inconvenient, probably cause its aversion or deviation when using, cause the test result inaccurate. Accordingly, we propose a piston pressure sensor.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a piston pressure sensor, which can effectively solve the problems of the prior art.

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

the utility model provides a piston pressure sensor, includes shell and determine module, the inside fixedly connected with connecting block of shell, the upper end middle part of shell is run through and has been seted up the probe hole, the lower extreme fixedly connected with connecting block of shell, the thread groove has been seted up to the surface of connecting block, the lower extreme fixedly connected with of thread groove can replace viscidity subsides, the surface threaded connection of connecting block has replaceable installation component, the size of connecting block and the size looks adaptation of replacing viscidity subsides.

Preferably, the detection assembly comprises a circuit board, four first springs and four upper ends of the circuit board are fixedly connected with a baffle, the baffle is fixedly connected with the upper ends of the first springs, a fixing column is fixedly connected to the middle of the upper end of the circuit board, a mounting groove is formed in the upper end of the fixing column, a connecting column is slidably mounted in the mounting groove, a probe is fixedly connected to the upper end of the connecting column, and a second spring is fixedly connected to the lower end of the probe.

Preferably, the size of the second spring is matched with the size of the connecting column, the size of the connecting column is matched with the size of the mounting groove, and the size of the baffle is matched with the size of the circuit board.

Preferably, the circuit board is fixedly connected to the upper end of the lower inner wall of the shell, and the size of the probe is matched with that of the probe hole.

Preferably, the replaceable mounting component comprises a mounting block, an internal thread is formed on the inner surface of the mounting block, a base is fixedly connected to the lower end of the mounting block, and a magnet is fixedly connected to the lower end of the base.

Preferably, the size of the internal thread is matched with that of the thread groove, the size of the mounting block is matched with that of the connecting block, and the size of the magnet is matched with that of the base.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a set up the detection subassembly, through setting up probe and second spring, and the probe is connected with the circuit board of lower extreme, make the result can transmit through the form of spring displacement, and be provided with first spring, reach the effect of assistant measurement and buffering, prevent that pressure from causing its damage too big, reach the purpose of promoting detection precision, promoting the life of sensor;

2. the utility model discloses a set up replaceable installation component, the mode through threaded connection makes this subassembly carry out fixed connection, and the lower extreme fixedly connected with magnet of subassembly can inhale it on the iron surface simultaneously, reaches promotion sensor application scope, the sensor fixed measuring purpose of being convenient for.

Drawings

Fig. 1 is a schematic view of an overall structure of a piston pressure sensor according to the present invention;

fig. 2 is a schematic structural view of a piston pressure sensor fixing part according to the present invention;

fig. 3 is a schematic structural view of a piston pressure sensor detecting assembly according to the present invention;

fig. 4 is a schematic structural diagram of the replaceable mounting assembly of the piston pressure sensor according to the present invention.

In the figure: 1. a housing; 2. connecting blocks; 3. the sticky sticker can be replaced; 4. a detection component; 5. a replaceable mounting component; 11. a probe hole; 21. a thread groove; 41. a circuit board; 42. a first spring; 43. a baffle plate; 44. fixing a column; 45. mounting grooves; 46. a probe; 47. a second spring; 48. connecting columns; 51. Mounting blocks; 52. an internal thread; 53. a base; 54. and a magnet.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a piston pressure sensor comprises a housing 1 and a detection component 4, wherein the housing 1 is fixedly connected with a connecting block 2, the middle of the upper end of the housing 1 is penetrated and provided with a probe hole 11, the lower end of the housing 1 is fixedly connected with the connecting block 2, the outer surface of the connecting block 2 is provided with a thread groove 21, the lower end of the thread groove 21 is fixedly connected with a replaceable sticky sticker 3, the outer surface of the connecting block 2 is in threaded connection with a replaceable mounting component 5, and the size of the connecting block 2 is matched with the size of the replaceable sticky sticker 3.

In this embodiment, the detecting assembly 4 includes a circuit board 41, the upper end of the circuit board 41 is fixedly connected with four first springs 42, the upper ends of the four first springs 42 are fixedly connected with a baffle 43 together, the middle part of the upper end of the circuit board 41 is fixedly connected with a fixed column 44, the upper end of the fixed column 44 is provided with an installation groove 45, a connecting column 48 is slidably installed in the installation groove 45, the upper end of the connecting column 48 is fixedly connected with a probe 46, the lower end of the probe 46 is fixedly connected with a second spring 47, the size of the second spring 47 is matched with the size of the connecting column 48, the size of the connecting column 48 is matched with the size of the installation groove 45, the size of the baffle 43 is matched with the size of the circuit board 41, the circuit board 41 is fixedly connected to the upper end of the lower inner wall of the casing 1, and the size of the probe 46 is matched with the size of the probe hole 11; when using it, mainly utilize probe 46 and circuit board 41's electricity to be connected to detect, probe 46's lower extreme fixedly connected with second spring 47 and spliced pole 48, wherein spliced pole 48 slides in mounting groove 45, second spring 47 provides certain elastic force, the size of pressure is embodied in the displacement that utilizes the spring, spliced pole 48 slides in mounting groove 45 simultaneously, form the piston and connect, baffle 43 is the baffle, mainly for the purpose of suggestion sensor range, prevent that the excessive use of sensor from causing the damage, baffle 43 lower extreme fixed connection's four first springs 42 mainly play buffering and auxiliary measurement's purpose.

In this embodiment, the replaceable mounting component 5 includes a mounting block 51, an internal thread 52 is formed on an inner surface of the mounting block 51, a base 53 is fixedly connected to a lower end of the mounting block 51, a magnet 54 is fixedly connected to a lower end of the base 53, a size of the internal thread 52 is adapted to a size of the thread groove 21, a size of the mounting block 51 is adapted to a size of the connecting block 2, and a size of the magnet 54 is adapted to a size of the base 53; when the sensor is fixed on the surface of an iron substance, the internal thread 52 on the inner surface of the mounting block 51 and the thread groove 21 are connected and screwed together in a threaded connection mode, so that the replaceable mounting component 5 is fixed, the lower end of the mounting block 51 is fixedly connected with the base 53, the lower end of the base 53 is fixedly connected with the magnet 54, and the magnet 54 has magnetism and can be attracted on the surface of the iron substance, so that the sensor can be conveniently assembled and disassembled, and the purpose of improving the application range of the sensor is achieved.

It should be noted that, the utility model relates to a piston pressure sensor, in the use, at first, can replace viscidity subsides 3 and make the whole position department that pastes the sensor, can replace it after replacing viscidity subsides 3 and finishing using, can replace viscidity subsides 3 when making next use has the adhesion all the time, and when fixing on the iron matter surface, utilize threaded connection's mode, make internal thread 52 and the thread groove 21 interconnect of installation piece 51 internal surface screw, make replaceable installation component 5 fixed, installation piece 51 lower extreme fixedly connected with base 53, the lower extreme fixedly connected with magnet 54 of base 53, magnet 54 has magnetism, can inhale on the surface of iron matter, be convenient for the dismouting of this sensor, reach the mesh that promotes this sensor application range, when using it, mainly utilize the electricity of probe 46 and circuit board 41 to be connected to detect, the lower extreme fixedly connected with second spring 47 and spliced pole 48 of probe 46, wherein spliced pole 48 slides in installation groove 45, second spring 47 provides certain elastic force, utilize the displacement of spring to embody the size of pressure, the mounting groove 48 is at the same time, slide in the installation groove 45, it forms the main buffer connection baffle 43 to play the first supplementary baffle 43 of the range of the use of the sensor of preventing damage, the sensor, the first sensor, the use of the first supplementary baffle 42 of the use of the measuring baffle plate is the first use of the first measuring.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A piston pressure sensor, includes shell (1) and detection component (4), its characterized in that: the utility model discloses a bonding tool, including shell (1), the inside fixedly connected with connecting block (2) of shell (1), the upper end middle part of shell (1) is run through and has been seted up probe hole (11), the lower extreme fixedly connected with connecting block (2) of shell (1), thread groove (21) have been seted up to the surface of connecting block (2), the lower extreme fixedly connected with of thread groove (21) can replace viscidity subsides (3), the surface threaded connection of connecting block (2) has and can replace installation component (5), the size of connecting block (2) and the size looks adaptation of replacing viscidity subsides (3).

2. A piston pressure sensor as claimed in claim 1, wherein: detection component (4) includes circuit board (41), four first springs (42), four of the upper end fixedly connected with of circuit board (41) are four the common fixedly connected with baffle (43) in upper end of first spring (42), upper end middle part fixedly connected with fixed column (44) of circuit board (41), mounting groove (45) have been seted up to the upper end of fixed column (44), slidable mounting has spliced pole (48) in mounting groove (45), the upper end fixedly connected with probe (46) of spliced pole (48), the lower extreme fixedly connected with second spring (47) of probe (46).

3. A piston pressure sensor as claimed in claim 2, wherein: the size of the second spring (47) is matched with that of the connecting column (48), the size of the connecting column (48) is matched with that of the mounting groove (45), and the size of the baffle (43) is matched with that of the circuit board (41).

4. A piston pressure sensor as claimed in claim 2, wherein: the circuit board (41) is fixedly connected to the upper end of the lower inner wall of the shell (1), and the size of the probe (46) is matched with that of the probe hole (11).

5. A piston pressure sensor as claimed in claim 1, wherein: the replaceable mounting component (5) comprises a mounting block (51), an internal thread (52) is formed in the inner surface of the mounting block (51), a base (53) is fixedly connected to the lower end of the mounting block (51), and a magnet (54) is fixedly connected to the lower end of the base (53).

6. A piston pressure sensor as claimed in claim 5, wherein: the size of the internal thread (52) is matched with that of the thread groove (21), the size of the mounting block (51) is matched with that of the connecting block (2), and the size of the magnet (54) is matched with that of the base (53).