CN219551558U - Digital display sensor - Google Patents

Abstract

The utility model provides a digital display sensor, which belongs to the technical field of sensors and comprises: the top of the outer shell is provided with a display device; the inner shell is arranged in the outer shell, the electronic equipment is fixed on the inner shell, and the display device is electrically connected with the electronic equipment; the shell is connected with an external pipeline through threads or a clamp; the shell is in split screw connection or integrated formation; according to the digital display sensor, the outer shell is in threaded connection or integrated molding, so that the fixing between the shells is firmer, the inner shell is sleeved in the outer shell, and the electronic equipment is mounted on the inner shell, and because the inner shell and the outer shell are relatively fixed, the circuit between the display device and the electronic equipment cannot be wound and twisted due to the fact that the outer shell is in threaded connection or integrated molding, and the protection of internal wires can be improved.

Description

Digital display sensor

Technical Field

The utility model relates to the technical field of sensors, in particular to a digital display sensor.

Background

The digital display pressure sensor is characterized in that pressure directly acts on a diaphragm of the sensor, so that micro displacement proportional to medium pressure is generated on the diaphragm, the resistance of the sensor is changed, the change is detected by an electronic circuit, and a digital standard signal corresponding to the pressure is converted and output to a display screen.

In the prior art, the shell of the digital display pressure sensor comprises a detachable upper shell and a detachable lower shell, wherein a display screen is arranged on the upper shell, a circuit board is arranged in the lower shell, and the display screen is connected with the circuit board through an electric wire in the shell. When in installation, the upper shell and the lower shell are connected in a buckling mode.

However, the upper and lower shells are not firmly fixed in a buckling manner, and the upper shell is easily separated by external force to damage a display screen or other parts.

Disclosure of Invention

Therefore, the technical problems to be solved by the utility model are as follows: the upper shell and the lower shell of the digital display sensor in the prior art are not firmly installed through buckling, so that the digital display sensor is provided.

In order to solve the above technical problems, the present utility model provides a digital display sensor, comprising: a housing, a display device is arranged at the top of the housing; the inner shell is arranged in the outer shell, the electronic equipment is fixed on the inner shell, and the display device is electrically connected with the electronic equipment; the shell is connected with an external pipeline through threads or a clamp; the shell is in split screw connection or integrated formation.

Preferably, the housing comprises a first housing provided with a display device thereon; the second shell is connected with the first shell through threads, the inside of the second shell is in running fit with the inner shell, and the electronic equipment is electrically connected with the display device.

Preferably, one end of the inner shell far away from the first outer shell is connected with a threaded connector through a clamping connection, a sensor probe is installed in the threaded connector through a clamping connection, and the sensor probe is electrically connected with the electronic equipment.

Preferably, an annular groove is formed between the ends of the second outer and inner housings, and the threaded connector has an annular flange for engagement within the annular groove.

Preferably, the threaded connector and the inner shell are circumferentially limited by a locating pin.

Preferably, a stop sleeve is connected in the threaded connector through threads and is abutted against the tail end of the sensor probe.

Preferably, the outer wall of the second housing is provided with at least one rotation operation hole.

Preferably, the inner shell and the first outer shell are circumferentially limited through a locating pin.

Preferably, the hole in the inner housing for inserting the positioning pin is a slot hole open to the outside.

Preferably, the display device is detachably mounted on the housing.

Preferably, the display device includes: the cover plate is connected with the shell through a fastener, and gasket-free black glue is arranged between the contact surfaces of the cover plate and the shell; the display screen is arranged on the cover plate and is covered with the waterproof film.

Preferably, the housing is provided with a chuck structure for clamping with the outside at an end remote from the display device.

The technical scheme of the utility model has the following advantages:

1. according to the digital display sensor provided by the utility model, the shells are in threaded connection, so that the fixation between the shells is firmer, and meanwhile, the shells are more convenient to detach and maintain; or the shell can be integrally formed, so that the quality and hardness of the shell are enhanced, and the production efficiency of the product is improved.

2. According to the digital display sensor provided by the utility model, the first shell and the second shell are fixed in a threaded connection manner, so that the first shell and the second shell are firmer; by providing the inner housing in the second housing, and since the inner housing and the second housing are rotatable, the electric wire between the first housing and the second housing is not twisted due to the screw mounting of the housing, the protection of the inner electric wire can be improved.

3. According to the digital display sensor provided by the utility model, the annular groove is formed between the end part, far away from the first outer shell, of the second outer shell and the end part of the inner shell, the annular flange arranged on the threaded connector is embedded into the annular groove, and at the moment, when the first shell and the second shell are in threaded connection, the lower edge of the first shell and the annular groove of the second shell can clamp the threaded connector and the inner shell, so that the whole structure is compact and fixed.

4. According to the digital display sensor provided by the utility model, the locating pin is arranged between the threaded connector and the inner shell, and the locating pin has the function of keeping the threaded connector and the inner shell relatively static, so that wires between the threaded connector and the inner shell cannot be wound due to rotation of other parts.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a perspective view of a digital sensor provided in embodiment 1 of the present utility model;

FIG. 2 is a cross-sectional view of the digital sensor of FIG. 1;

FIG. 3 is a perspective view of the digital sensor hidden second housing of FIG. 1;

FIG. 4 is a perspective view of the digital display pressure sensor provided in embodiment 2 of the present utility model;

fig. 5 is a cross-sectional view of the digital display pressure sensor of fig. 4.

Reference numerals illustrate:

1. a first housing; 2. a display device; 3. a second housing; 4. an inner case; 5. an electronic device; 6. a threaded connector; 7. a sensor probe; 8. an annular groove; 9. an annular flange; 10. a positioning pin; 11. a blocking sleeve; 12. a slot hole; 13. rotating the operation hole; 14. performing aerial insertion; 15; a housing; 16. a fixing member; 17. a clamping groove; 18. a chuck structure; 19. a cover plate; 20. a fastener; 21. and a display screen.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Embodiment one:

the digital display sensor that this embodiment provided is used for connecting first shell and second shell through the helicitic texture for fixed between the casing is more firm, avoids other external forces to become flexible and leads to display device to damage.

As shown in fig. 1 and 2, a specific implementation manner of the digital sensor provided in this embodiment includes a first outer shell 1, a second outer shell 3, and an inner shell 4; the first housing 1 is provided with a display device 2; the second outer shell 3 is connected with the first outer shell 1 through threads, the inner shell 4 is rotatably sleeved in the second outer shell 3, the electronic equipment 5 is mounted on the inner shell 4, and the electronic equipment 5 is electrically connected with the display device 2. By sleeving the inner housing 4 on the second outer housing 3, and since the inner housing 4 and the second outer housing 3 are rotatable, the electric wire between the first outer housing 1 and the second outer housing 3 is not twisted due to the screw mounting of the outer housing, and the protection of the inner electric wire can be improved.

In this embodiment, the display device 2 is a display screen, and the electronic apparatus 5 is a circuit board; the circuit board is used for recording data and displaying the data on the display screen through the electric wires.

As shown in fig. 1 and 2, in the digital display sensor provided in this embodiment, one end of the inner housing 4 far away from the first outer housing 1 is connected with a threaded connector 6, the threaded connector 6 is provided with a sensor probe 7, and the sensor probe 7 is electrically connected with the electronic device 5. In this embodiment, the function of the threaded connector 6 is to connect the digital display sensor with an external device, the end of the threaded connector 6 extending out of the second housing is provided with a thread, a hexagon is provided between the thread and the second housing, the thread is used for threaded connection with the external device, and the hexagon is used for clamping a wrench, so that the force is conveniently exerted; the measured values are transmitted to the electronic device 5 for recording. In addition, as an alternative embodiment, the sensor probe 7 may be directly disposed at the bottom of the digital sensor body.

As shown in fig. 2, for the digital sensor provided in the present embodiment, the second outer case 3 and the inner case 4 are formed with an annular groove 8 between the ends remote from the first outer case 1, and the threaded connector 6 has an annular flange 9 for being fitted into the annular groove 8. An annular groove 8 is formed between the ends of the second outer shell 3 and the inner shell 4 far away from the first outer shell 1, an annular flange 9 is arranged on the threaded connector 6, the annular flange 9 can be embedded into the annular groove 8 and clamped by the inner shell 4 and the annular groove 8, and when the second shell is in threaded connection with the first shell, the annular groove 8 and the first outer shell 1 can clamp the inner shell 4 and the annular boss, so that the integral structure is fixed. In addition, as an alternative embodiment, the coupling machine may be screwed with the second housing 3.

As shown in fig. 2, in the digital sensor provided in this embodiment, the threaded connector 6 and the inner housing 4 are circumferentially limited by the positioning pin 10. The locating pin 10 is inserted into the locating holes on the threaded connector 6 and the inner shell 4, so that the threaded connector 6 and the inner shell 4 are circumferentially limited, lines between the threaded connector 6 and the inner shell 4 cannot be wound due to rotation of other shells, and stable connection of the lines is ensured. In addition, as an alternative embodiment, the connection between the connection machine and the inner shell 4 can be performed in a plug-in manner, for example, a slot is provided on the connection machine, and a plug block corresponding to the slot is provided on the inner shell 4.

As shown in fig. 2, in the digital sensor provided in this embodiment, a stop sleeve 11 is disposed at an end of the threaded connector 6 away from the sensor probe 7. The baffle sleeve 11 is arranged on the threaded connector 6 and is positioned at one end far away from the sensor probe 7; the sensor probe 7 is located the tip of the tip that the threaded connection ware 6 stretches out, keeps off cover 11 threaded connection on threaded connection ware 6, and when keeping off cover 11 when the installation because of rotatory and the downward movement, can extrude sensor probe 7 with its tip of fixing the tip that stretches out, guarantee that sensor probe 7 can not produce the deformation because of the pressure of object in the testing process. Additionally, as an alternative embodiment, the sensor probe 7 may be screwed with the threaded connector 6.

As shown in fig. 2 and 3, in the digital sensor provided in this embodiment, the inner housing 4 and the first outer housing 1 are circumferentially limited by the positioning pin 10. The up end of inner shell 4 is provided with the locating hole, is provided with the locating hole the same with it on the terminal surface under the first shell 1, and the both ends of locating pin 10 insert respectively in the locating hole of inner shell 4 and first shell 1, to circumference between inner shell 4 and the first shell 1, avoid first shell 1 when the screw thread installation, first shell 1 is rotatory and arouse the problem of electric wire winding. In addition, as an alternative embodiment, the connection between the inner shell 4 and the first outer shell 1 may be made by means of a snap-fit.

As shown in fig. 2, in the digital sensor provided in this embodiment, the hole for inserting the positioning pin 10 in the inner housing 4 is a slot 12 with an open outer side. The slotted hole 12 is arranged on the upper top surface and the lower top surface of the inner shell 4, the opening direction of the slotted hole 12 is an opening along one side far away from the axis along the radial direction, one end of the slotted hole is open, the position of the hole is conveniently positioned during installation, the quick plugging of the positioning pin 10 is convenient, and the installation efficiency is improved. Alternatively, the slot 12 may be configured as a circular hole, and may be inserted and fixed by a cylinder.

As shown in fig. 1 and 2, in the digital sensor provided in this embodiment, at least one rotation operation hole 13 is provided on the outer wall of the second housing 3. The rotation operation hole 13 is used for inserting operation tools such as a wrench and a screwdriver into the rotation operation hole 13 when the second housing 3 and the first housing 1 are installed, so that the second housing 3 can be fastened in a rotation manner. In addition, as an alternative embodiment, a rib may be provided on the second housing 3 for increasing friction force, so as to facilitate the wrench to rotationally fix the same.

As shown in fig. 1, in the digital display sensor provided in this embodiment, a navigation plug 14 is disposed on a first housing 1, and the navigation plug 14 is electrically connected with an electronic device 5 through an electric wire. The aviation plug 14 is arranged on one side of the first shell 1, one end of the aviation plug 14 is connected with the electronic equipment 5, and the outer end is used for being connected with an external terminal and used for transmitting data. The outer end of the aviation plug 14 is provided with a protective cover which prevents dust or other impurities from falling into the sensor.

Embodiment two:

the digital display sensor provided by the embodiment forms the first shell and the second shell which are originally separated into an integral structure, so that the shell structure is firmer, and the damage of the display device caused by loosening due to other external forces is avoided.

As shown in fig. 4 and 5, a specific implementation manner of the digital display pressure sensor provided in this embodiment includes: an outer case 15 and an inner case 4, the outer case 15 being detachably provided with the display device 2; the inner housing 4 is mounted inside the outer housing 15, and the electronic device 5 is provided on the inner housing 4, and the electronic device 5 is electrically connected to the display device 2. The display device 2 is detachably connected to the housing 15, and the electronic apparatus 5 can be mounted therein after the display device 2 is detached. The electronic device 5 is mounted on the inner housing 4. By combining the upper and lower cases into the outer case 15, the strength of the cases can be enhanced, and the connection between the upper and lower cases is prevented from being weak.

As shown in fig. 5, in the digital display pressure sensor provided in this embodiment, a clamping groove 17 is provided on the inner housing 4, the electronic device 5 is mounted on a fixing member 16, and the fixing member 16 is provided on the inner housing 4 by embedding the clamping groove 17. The fixing plate is fixed in the clamping groove 17 through clamping, and the electronic equipment 5 is fixed on the fixing plate through bolts. Since the inner case 4 is cylindrical, it is more convenient to fix the electronic device 5 using the fixing plate. In addition, as an alternative embodiment, the fixing element 16 may be fixedly arranged directly with the inner housing 4.

As shown in fig. 4 and 5, in order to provide the digital display pressure sensor in this embodiment, a chuck structure 18 for clamping with the outside is provided on the housing 15 at an end far from the display device 2. The chuck structure 18 is adapted to conform to an externally shaped disc while being secured using a clamp. The use of the chuck structure 18 facilitates disassembly and maintenance of the sensor. The end face of the chuck structure 18 is provided with a groove for placing a sealing ring, so that the sensor is ensured not to leak liquid in the detection process. In addition, as an alternative embodiment, the chuck structure 18 may be provided as a flange for bolting with the outside.

As shown in fig. 5, in the digital display pressure sensor provided in this embodiment, a sensor probe 7 is disposed in a housing 15, the sensor probe 7 is electrically connected to an electronic device 5, and the sensor probe 7 is in communication with the outside through a chuck structure 18. The sensor probe 7 is arranged on the side remote from the display device 2 and on the housing 15. The sensor probe 7 is connected with the electronic device 5 through a wire, and data detected by the sensor probe 7 is transmitted to the electronic device 5 for recording. After the chuck structure 18 is fixedly connected with the outside, the sensor probe 7 can detect the pressure of substances such as liquid. In addition, as an alternative embodiment, the sensor probe 7 may be provided on a threaded connector 6, the threaded connector 6 being connected to the housing 15 by means of a thread.

As shown in fig. 5, in the digital display pressure sensor provided in this embodiment, a housing 15 is provided with a navigation plug 14 on a side wall, and the navigation plug 14 is electrically connected with the electronic device 5. The function of the aviation plug 14 is to transmit the data recorded by the electronic device 5 to an external control system for summarizing and recording the detected data in real time. In addition, as an alternative embodiment, the air insert 14 may be replaced by a wireless transmission device, provided on the inner housing 4.

As shown in fig. 4 and 5, in order to provide the digital display pressure sensor in the present embodiment, the display device 2 includes: a cover plate 19 connected to the housing 15 by fasteners 20; a display screen 21 mounted on the cover plate 19. The cover plate 19 is fixed to the housing 15 by fasteners 20 and a display screen 21 is provided inside the sensor. In addition, as an alternative embodiment, the cover plate 19 may be screwed to the housing 15.

As shown in fig. 4 and 5, in the digital display pressure sensor provided in this embodiment, a gasket-free black glue is disposed on the contact surface between the cover plate 19 and the housing 15. The display screen 21 is covered with a waterproof film that is corrosion-resistant. The arrangement of the gasket-free black glue can increase the sealing performance, and the waterproof film can prevent the display screen 21 from being corroded by liquid or water. In addition, as an alternative embodiment, a seal may be provided between the cover plate 19 and the housing 15.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims (12)

1. A digital display sensor, comprising:

a housing (15), wherein a display device (2) is arranged at the top of the housing (15);

an inner shell (4), wherein the inner shell (4) is arranged inside the outer shell (15), an electronic device (5) is fixed on the inner shell (4), and the display device (2) is electrically connected with the electronic device (5);

the shell (15) is connected to an external pipeline through threads or a clamp; the shell (15) is in split screw connection or integrated forming.

2. The digital display sensor according to claim 1, characterized in that the housing (15) comprises:

a first housing (1), the first housing (1) being provided with the display device (2);

the second outer shell (3) is connected with the first outer shell (1) through threads, the inside of the second outer shell (3) is in running fit with the inner shell (4), and the electronic equipment (5) is electrically connected with the display device (2).

3. The digital display sensor according to claim 2, characterized in that one end of the inner shell (4) far away from the first outer shell (1) is connected with a threaded connector (6) through a clamping connection, a sensor probe (7) is installed in the threaded connector (6) through a clamping connection, and the sensor probe (7) is electrically connected with the electronic equipment (5).

4. A digital display sensor according to claim 3, characterized in that an annular groove (8) is formed between the ends of the second outer housing (3) and the inner housing (4), the threaded connector (6) having an annular flange (9) for embedding in the annular groove (8).

5. The digital display sensor according to claim 4, characterized in that the threaded connector (6) and the inner housing (4) are circumferentially limited by means of a locating pin (10).

6. A digital display sensor according to claim 3, characterized in that a stop sleeve (11) is connected in the threaded connector (6) through threads, and the stop sleeve (11) is abutted against the tail end of the sensor probe (7).

7. The digital display sensor according to claim 2, characterized in that at least one rotation operation hole (13) is provided on the outer wall of the second housing (3).

8. The digital display sensor according to any of claims 2-7, characterized in that the inner housing (4) and the first outer housing (1) are circumferentially limited by means of a locating pin (10).

9. The digital display sensor according to claim 8, characterized in that the hole in the inner housing (4) for inserting the positioning pin (10) is a slot (12) open on the outside.

10. The digital display sensor according to claim 1, characterized in that the display device (2) is detachably mounted on the housing (15).

11. The digital display sensor according to claim 10, characterized in that the display device (2) comprises:

the cover plate (19) is connected with the shell (15) through a fastener (20), and gasket-free black glue is arranged between the contact surfaces of the cover plate (19) and the shell (15);

and the display screen (21) is arranged on the cover plate (19), and the display screen (21) is covered with a waterproof film.

12. The digital display sensor according to claim 10, characterized in that the housing (15) is provided with a chuck structure (18) at an end remote from the display device (2) for clamping with the outside.