CN220206863U

CN220206863U - Sensor convenient to splice

Info

Publication number: CN220206863U
Application number: CN202321976826.2U
Authority: CN
Inventors: 王业龙; 张涛; 罗诚; 董少龙
Original assignee: Huashide Electronic Technology Kunshan Co ltd
Current assignee: Huashide Electronic Technology Kunshan Co ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2023-12-19
Anticipated expiration: 2033-07-26

Abstract

The utility model relates to a sensor convenient for splicing, which comprises: the shell is provided with a first cavity communicated with the outside, and the side wall of the first cavity is provided with a clamping groove; the controller is positioned in the shell, a first contact pin is connected to the controller, and the end part of the first contact pin is positioned in the first cavity; the connector is provided with an opening through which the first contact pin can penetrate, a clamping block is arranged on the connector and can be clamped in the clamping groove, and one end of the connector is connected with a wire; the butt joint piece is positioned in the connector, one end of the butt joint piece is connected with the wire core of the wire, the other end of the butt joint piece is provided with a butt joint channel, the axis of the butt joint channel is aligned with the axis of the opening, and the inner wall of the butt joint channel can prop against the first contact pin; and the induction probe is connected with the lead. The utility model can improve the splicing efficiency and reduce the maintenance cost.

Description

Sensor convenient to splice

Technical Field

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

Background

Temperature sensors are widely used in a variety of fields. In order to reduce the volume of the current temperature sensor, a controller is generally connected with a plurality of sensing probes through wires, so that the purpose of monitoring temperature changes at a plurality of positions by one controller can be achieved. At present, the lead is mainly welded at the connecting end of the controller in a direct welding way, and the splicing efficiency of the splicing way is low. When testing or using, if the inductive probe is faulty, because of adopting welded connected mode, the inductive probe can not be directly replaced, at this moment, all inductive probes and controllers of the temperature sensor need to be integrally replaced, and the maintenance cost of the temperature sensor is higher due to the integral replacement mode.

Disclosure of Invention

Therefore, the utility model aims to solve the technical problem of providing the sensor convenient to splice, which can improve the splicing efficiency and reduce the maintenance cost.

In order to solve the above technical problems, the present utility model provides a sensor that is convenient for splicing, comprising: the shell is provided with a first cavity communicated with the outside, and the side wall of the first cavity is provided with a clamping groove; the controller is positioned in the shell, a first contact pin is connected to the controller, and the end part of the first contact pin is positioned in the first cavity; the connector is provided with an opening through which the first contact pin can penetrate, a clamping block is arranged on the connector and can be clamped in the clamping groove, and one end of the connector is connected with a wire; the butt joint piece is positioned in the connector, one end of the butt joint piece is connected with the wire core of the wire, the other end of the butt joint piece is provided with a butt joint channel, the axis of the butt joint channel is aligned with the axis of the opening, and the inner wall of the butt joint channel can prop against the first contact pin; and the induction probe is connected with the lead.

In one embodiment of the present utility model, an end of the butt-joint channel near the wire core is provided with a butt-joint rod which extends out relatively, and the butt-joint rod is arc-shaped.

In one embodiment of the utility model, the butt joint part is provided with oppositely arranged wire pressing plates, the wire cores are clamped between the wire pressing plates, and the end parts of the wire pressing plates are arc-shaped and bent towards the wire core.

In one embodiment of the present utility model, an elastic rod capable of abutting against the inner wall of the first cavity is further disposed on one side of the connector, one end of the elastic rod is connected with the connector, and the other end of the elastic rod is bent towards the direction of the abutting piece.

In one embodiment of the utility model, a bump is disposed on a side of the elastic rod away from the abutting part, the bump is in an arc shape, and the bump abuts against the inner wall of the first cavity.

In one embodiment of the utility model, a connecting plate extending away from the wire is arranged at one end of the connector connected with the wire, and the connecting plate is connected with the protective sleeve of the wire.

In one embodiment of the utility model, the end of the induction probe is provided with a plug, and the end of the plug is provided with a connecting hole capable of being connected with the wire core.

In one embodiment of the utility model, a top cover is arranged on the shell at a position corresponding to the controller.

In one embodiment of the utility model, the opposite side of the housing is provided with a mounting plate, and the mounting plate is provided with mounting holes.

In one embodiment of the utility model, the shell is provided with a second cavity communicated with the outside, a second contact pin is connected to the controller, and the end part of the second contact pin is positioned in the second cavity.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

according to the sensor convenient to splice, the connector is detachably connected with the shell through the detachable connection of the connector and the shell, and the first contact pin is abutted against the butt joint piece, so that the connector and the shell can be directly separated when the sensing probe fails, a new sensing probe is replaced, the sensor does not need to be integrally replaced, and the maintenance cost is reduced. When the assembly is spliced, the connector is only required to be inserted into the first cavity without welding connection, so that the splicing efficiency is improved.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which

FIG. 1 is a schematic diagram of a sensor of the present utility model for facilitating splicing;

FIG. 2 is a top view of a portion of the structure of FIG. 1;

FIG. 3 is a cross-sectional view of A-A of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is a schematic view of a housing and connector mounting structure;

FIG. 6 is a schematic diagram of a connector structure;

FIG. 7 is a side view of FIG. 6;

FIG. 8 is a schematic view of a docking piece and wire mounting structure;

fig. 9 is a schematic diagram of the structure of an inductive probe.

Description of the specification reference numerals: 1. a housing; 2. a wire; 3. a connector; 4. an inductive probe; 5. a controller; 11. a second cavity; 12. a mounting plate; 13. a top cover; 14. a first cavity; 15. a clamping groove; 21. a protective sleeve; 22. a wire core; 31. an opening; 32. a seal ring; 33. a butt joint member; 34. a butt joint rod; 35. a wire pressing plate; 36. an elastic rod; 37. a clamping block; 38. a connecting plate; 41. a connecting pipe; 42. a plug; 51. a first pin; 52. a second pin; 311. a stop block; 361. and a bump.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

Referring to fig. 1, 2, 3 and 4, a sensor for facilitating splicing according to the present utility model includes: the shell 1 is provided with a first cavity 14 communicated with the outside, and a clamping groove 15 is formed in the side wall of the first cavity 14; the controller 5 is positioned in the shell 1, a first contact pin 51 is connected to the controller 5, and the end part of the first contact pin 51 is positioned in the first cavity 14; the connector 3, an opening 31 through which the first pin 51 can penetrate is formed in one side of the connector 3, a clamping block 37 is arranged on the connector 3, the clamping block 37 can be clamped in the clamping groove 15, and one end of the connector 3 is connected with the lead 2; a butt joint member 33, which is located in the connector 3, wherein one end of the butt joint member 33 is connected with the wire core 22 of the wire 2, the other end is provided with a butt joint channel, the axis of the butt joint channel is aligned with the axis of the opening 31, and the inner wall of the butt joint channel can be abutted against the first contact pin 51; an inductive probe 4 is connected to the wire 2.

According to the sensor convenient to splice, the clamping block 37 arranged on the connector 3 can be clamped in the clamping groove 15 of the first cavity 14 of the shell 1, so that the connector 3 and the shell 1 are relatively fixed; the first contact pin 51 can penetrate into the opening 31 and enter into the butt joint channel of the butt joint piece 33, so that the first contact pin 51 is propped against the inner wall of the butt joint channel, the end part of the butt joint piece 33 is also connected with the wire core 22 of the wire 2, and the first contact pin 51 is connected with the wire 2 through the butt joint piece 33; the first pin 51 is also connected to the controller 5, so that the wire 2 is connected to the controller 5 through the first pin 51 and the butt 33, and the wire 2 is also connected to the sensing probe 4, so that communication from the sensing probe 4 to the controller 5 is achieved. Can make connector 3 break away from by first cavity 14 through pushing down fixture block 37, realized that connector 3 and casing 1's can dismantle the connection, when inductive probe 4 trouble, can directly separate connector 3 and casing 1, change new inductive probe 4, need not whole change sensor, when having improved concatenation efficiency, reduce cost of maintenance.

Referring to fig. 5, a cavity for installing a controller 5 is provided in the housing 1, and specifically, the controller 5 is a circuit board. The first cavity 14 and the second cavity 11 of the housing 1 are disposed on opposite sides of the housing 1, and sidewalls of the first cavity 14 and the second cavity 11 extend away from the controller 5 to form two opposite interfaces. The first pin 51 and the second pin 52 are fixed to the housing 1, and specifically, the first pin 51 and the second pin 52 are insert-molded when the housing 1 is injection-molded, so that the first pin 51 and the second pin 52 are fixed to the housing 1. One end of the first contact pin 51 is connected with the controller 5, the other end of the first contact pin 51 is located in the first cavity 14, the first contact pin 51 is used for being connected with the connector 3, a plurality of first cavities 14 can be arranged on the single shell 1 according to use requirements, and a plurality of first contact pins 51 can be arranged in the single first cavity 14. The second pin 52 has one end connected to the controller 5 and the other end located in the second cavity 11, and the second pin 52 is used for connecting to a display device, a power supply device or other external devices. Because the first contact pin 51 and the second contact pin 52 are fixed with the shell 1 in an embedded injection molding mode, the first cavity 14 and the second cavity 11 are not communicated with the cavity for installing the controller 5, and the aim of water resistance is achieved. The top cover 13 is arranged at the position on the shell 1 corresponding to the controller 5, after the installation and connection of the controller 5 are completed, the top cover 13 is connected with the shell 1, specifically, the top cover 13 and the shell 1 can be connected through threads or buckles, the connection speed of the connection mode is high, and the waterproof purpose can be achieved through a mode of dispensing and sealing, so that a cavity for installing the controller 5 is not communicated with the outside. The casing 1 still is provided with mounting panel 12 relatively, is equipped with a plurality of strengthening ribs on the mounting panel 12, still is provided with the mounting hole on the mounting panel 12, can make casing 1 and outside fixed through bolt and mounting hole.

Referring to fig. 6 and 7, an opening 31 through which the first pin 51 can penetrate is provided on one side of the connector 3, a stopper 311 protruding toward the opposite side is provided on a side wall of the opening 31, a side of the stopper 311 away from the abutting part 33 is an inclined surface inclined toward the abutting part 33, the stopper 311 can guide the insertion of the first pin 51 into the connector 3, and can also abut against the first pin 51 to prevent the movement of the first pin 51, so that the first pin 51 and the connector 3 are connected stably. The connector 3 is provided with the fixture block 37, the first cavity 14 is provided with the draw-in groove 15 on the lateral wall that stretches out to keeping away from the direction of controller 5, and the connector 3 can laminate mutually with first cavity 14 inner wall, and the connector 3 is equipped with the inner chamber, and adopts the material constitution that has elastic deformation, makes the fixture block 37 of connector 3 can block in the draw-in groove 15 to make connector 3 and casing 1 fixed. The clamping groove 15 passes through the side wall of the first cavity 14 to be communicated with the outside, and the tool is used for pressing the clamping groove 15 down, so that the connector 3 can be separated from the shell 1, and the connector 3 and the shell 1 can be detachably connected. The connector 3 one side still is provided with the elastic rod 36 that can offset with first cavity 14 inner wall, and elastic rod 36 one end is connected with connector 3, and the other end is crooked to butt joint passageway direction, and specifically, elastic rod 36 only the link contacts with connector 3, and area of contact is less, makes elastic rod 36 can push down to connector 3 direction, and elastic rod 36 lateral wall and crooked tip contact with connector 3 after pushing down, can play the cushioning effect after crooked tip contacts with connector 3. The elastic rod 36 is provided with a bump 361 at a side far away from the abutting part 33, the bump 361 is arc-shaped, and the bump 361 abuts against the inner wall of the first cavity 14. When the connector 3 enters the first cavity 14, the bump 361 abuts against the inner wall of the first cavity 14, so that the elastic rod 36 is pressed down, the connector 3 is pressed in the first cavity 14, and the connector 3 cannot move in the first cavity 14. The end of the connector 3 connected with the wire 2 is provided with a connecting plate 38 extending away from the wire 2, and the connecting plate 38 is perpendicular to the outer wall of the connector 3. The wire 2 comprises a wire core 22 and a protective sleeve 21 positioned outside the wire core 22, and the end part of the protective sleeve 21 is connected with a connecting plate 38. Protective material may be wrapped or filled between the protective sheath 21 and the core 22 to increase the strength of the wire 2. The outer side of the connector 3 is also sleeved with a sealing ring 32, and when the connector 3 is in butt joint with the first cavity 14, the sealing ring 32 abuts against the inner wall of the first cavity 14 to play a role in sealing and waterproofing.

Referring to fig. 8, the mating member 33 is fixed in the connector 3. The end of the abutting part 33, which is close to the shell 1, is provided with an abutting channel, the axis of the abutting channel is aligned with the axis of the opening 31 of the connector 3, the inner wall of the abutting channel can be abutted against the first contact pin 51, specifically, one end of the abutting channel, which is close to the wire core 22, is provided with an abutting rod 34 which extends out relatively, the abutting rod 34 is integrally arc-shaped, after the first contact pin 51 is inserted into the abutting channel, the first contact pin 51 is abutted against the end part of the abutting rod 34, so that the first contact pin 51 cannot move, and the abutting stability of the first contact pin 51 and the abutting part 33 is ensured. The butt joint piece 33 is kept away from the one end of butt joint passageway and is equipped with the line ball board 35, and sinle silk 22 can block between line ball board 35, and line ball board 35 tip is arcuation and crooked to wire 2 direction, specifically, line ball board 35 can set up the multiunit, put into the line between the line ball board 35 when using, then exert pressure to line ball board 35 to make sinle silk 22 fixed, guarantee the stable connection of sinle silk 22 and butt joint piece 33.

Referring to fig. 9, the end of the sensing probe 4 is provided with a plug 42, the end of the plug 42 is provided with a connection hole capable of being connected with the wire core 22, specifically, the wire core 22 of the wire 2 is connected with the connection hole at one end of the plug 42, and the other end of the plug 42 is connected with a thermocouple, so that the wire core 22 is connected with the sensing probe 4. The connecting pipe 41 is sleeved outside the plug 42, and the connecting pipe 41 is also coated outside the lead 2 and the thermocouple, so that the protection and waterproof effects can be achieved.

When in use, the connector 3 is inserted into the first cavity 14 of the shell 1, the clamping block 37 is clamped in the clamping groove 15, the convex block 361 of the elastic rod 36 is propped against the inner wall of the first cavity 14, the first contact pin 51 is propped against the butting piece 33, and thus the communication between the controller 5 and the induction probe 4 is realized; the second pin 52 in the second cavity 11 is connected with an external device, so that power supply to the sensor and data display are realized. When disassembly is required, the connector 3 is separated from the first cavity 14 by pressing the clamping block 37 by a tool.

According to the sensor convenient to splice, through the detachable connection of the connector 3 and the shell 1 and the abutting joint piece 33 abutting against of the first contact pin 51, the detachable connection of the connector 3 and the shell 1 is realized, when the induction probe 4 fails, the connector 3 can be directly separated from the shell 1, a new induction probe 4 is replaced, the sensor does not need to be integrally replaced, and the maintenance cost is reduced. When assembling and splicing, the connector 3 is only required to be inserted into the first cavity 14 without welding connection, so that the splicing efficiency is improved.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. 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

1. A sensor for facilitating splicing, comprising:

the shell is provided with a first cavity communicated with the outside, and the side wall of the first cavity is provided with a clamping groove;

the controller is positioned in the shell, a first contact pin is connected to the controller, and the end part of the first contact pin is positioned in the first cavity;

the connector is provided with an opening through which the first contact pin can penetrate, a clamping block is arranged on the connector and can be clamped in the clamping groove, and one end of the connector is connected with a wire;

the butt joint piece is positioned in the connector, one end of the butt joint piece is connected with the wire core of the wire, the other end of the butt joint piece is provided with a butt joint channel, the axis of the butt joint channel is aligned with the axis of the opening, and the inner wall of the butt joint channel can prop against the first contact pin;

and the induction probe is connected with the lead.

2. The splice-facilitating sensor of claim 1, wherein: the butt joint channel is close to one end of the wire core and is provided with a butt joint rod which extends out relatively, and the butt joint rod is arc-shaped.

3. The splice-facilitating sensor of claim 1, wherein: the butt joint piece is provided with wire pressing plates which are oppositely arranged, the wire cores are clamped between the wire pressing plates, and the end parts of the wire pressing plates are arc-shaped and bent towards the wire cores.

4. The splice-facilitating sensor of claim 1, wherein: one side of the connector is also provided with an elastic rod which can prop against the inner wall of the first cavity, one end of the elastic rod is connected with the connector, and the other end of the elastic rod is bent towards the direction of the butt joint piece.

5. The splice-facilitating sensor of claim 4, wherein: the elastic rod is provided with a lug on one side far away from the butt joint piece, the lug is arc-shaped, and the lug abuts against the inner wall of the first cavity.

6. The splice-facilitating sensor of claim 1, wherein: the connector is provided with a connecting plate extending away from the direction of the wire at one end connected with the wire, and the connecting plate is connected with the protective sleeve of the wire.

7. The splice-facilitating sensor of claim 1, wherein: the end part of the induction probe is provided with a plug, and the end part of the plug is provided with a connecting hole which can be connected with the wire core.

8. The splice-facilitating sensor of claim 1, wherein: and a top cover is arranged on the shell at a position corresponding to the controller.

9. The splice-facilitating sensor of claim 1, wherein: the casing opposite side is equipped with the mounting panel, be provided with the mounting hole on the mounting panel.

10. The splice-facilitating sensor of claim 1, wherein: the shell is provided with a second cavity communicated with the outside, a second contact pin is connected to the controller, and the end part of the second contact pin is positioned in the second cavity.