CN215577983U - Empty small-size PTC thermistor that withers and starts convenient to installation - Google Patents
Empty small-size PTC thermistor that withers and starts convenient to installation Download PDFInfo
- Publication number
- CN215577983U CN215577983U CN202121827087.1U CN202121827087U CN215577983U CN 215577983 U CN215577983 U CN 215577983U CN 202121827087 U CN202121827087 U CN 202121827087U CN 215577983 U CN215577983 U CN 215577983U
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- China
- Prior art keywords
- shell
- thermistor
- upper shell
- casing
- ptc thermistor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 title claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 125000003003 spiro group Chemical group 0.000 claims 2
- 238000003756 stirring Methods 0.000 abstract description 15
- 238000001035 drying Methods 0.000 abstract description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 1
- 238000007605 air drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Thermistors And Varistors (AREA)
Abstract
The utility model discloses a small PTC thermistor for idle drying starting, which is convenient to install and comprises an upper shell, a lower shell and a thermistor main body, wherein a first fixing screw is screwed between the upper shell and the lower shell, a pin sheet is arranged in the thermistor main body, the upper shell and the lower shell are assembled to form an inserting port and an installation cavity, the thermistor main body is positioned in the installation cavity, the pin sheet is positioned in the inserting port, the upper surface of the upper shell is provided with a through port in a penetrating way, fixed blocks are symmetrically and fixedly arranged on the upper surface of the upper shell, the inner side surfaces of the fixed blocks are provided with rotating grooves, rotating shafts are rotatably arranged in the rotating grooves, a stirring plate is fixedly arranged between two adjacent rotating shafts, a spring is fixedly arranged between the lower surface of the stirring plate and the upper surface of the upper shell, and a limiting plate is fixedly arranged on the lower surface of the stirring plate, the utility model can quickly fix a lead wire after electrical connection through the limiting plate, simple structure, convenient operation is swift.
Description
Technical Field
The utility model relates to the technical field of thermistors, in particular to a small PTC thermistor convenient to install and used for idle-drying starting.
Background
A thermistor is a sensor resistor whose resistance value changes with changes in temperature. They are classified into Positive Temperature Coefficient thermistors (PTC thermistors) and Negative Temperature Coefficient thermistors (NTC thermistors) according to their Temperature coefficients. The positive temperature coefficient thermistor has a resistance value that increases with an increase in temperature, and the negative temperature coefficient thermistor has a resistance value that decreases with an increase in temperature, which are both semiconductor devices.
The existing thermistor needs to be connected by welding spots when in circuit connection, the operation is time-consuming, labor-consuming and inconvenient, and the installation efficiency is low.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a small PTC thermistor for dry start which is easy to install, and solves the problems of the background art mentioned above.
In order to achieve the purpose, the utility model provides the following technical scheme: a small PTC thermistor convenient to install and used for air drying starting comprises an upper shell, a lower shell and a thermistor main body, wherein an installation block is symmetrically and fixedly installed on the outer surface of the lower shell, a first fixing screw is installed between the upper shell and the lower shell in a screwed mode, a pin sheet is arranged in the thermistor main body, the upper shell and the lower shell are assembled to form a plug port and an installation cavity, the thermistor main body is located in the installation cavity, the pin sheet is located in the plug port, the upper surface of the upper shell is provided with a through port in a penetrating mode, a fixing block is symmetrically and fixedly installed on the upper surface of the upper shell, rotating grooves are formed in the inner side surfaces of the fixing blocks, rotating shafts are rotatably installed in the rotating grooves, a stirring plate is fixedly installed between every two adjacent rotating shafts, and a spring is fixedly installed between the lower surface of the stirring plate and the upper surface of the upper shell, the lower surface of the poking plate is fixedly provided with a limiting plate, the limiting plate is located in the through hole, and the lower surface of the limiting plate is attached to the upper surface of the pin piece.
Preferably, rubber plugs are fixedly arranged in the insertion ports.
Preferably, the rubber plug is a trapezoidal elastic rubber block.
Preferably, the lower surface of the upper shell is fixedly provided with a positioning column, the upper surface of the lower shell is provided with a positioning hole, and the positioning column is inserted and installed in the positioning hole.
Preferably, the outer surfaces of the upper shell and the lower shell are both fixedly provided with connecting blocks, and a second fixing screw is screwed between the upper connecting block and the lower connecting block.
Preferably, the outer surfaces of the upper shell and the lower shell are both provided with a heat dissipation port in a penetrating way.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, after the lead is inserted into the connecting port and is electrically connected with the pin in a flat manner, the poking plate and the limiting plate can be driven by the contraction force of the spring to apply force to the pin sheet direction, so that the limiting plate extrudes and fixes the lead on the upper surface of the pin sheet, and the thermistor main body is more convenient and faster to electrically connect and fix.
2. According to the utility model, the rubber plug is arranged at the socket, so that after the wire is inserted into the socket and electrically connected with the pin sheet, the wire can be temporarily supported and fixed by the rubber plug, and the wire can be conveniently fixed by a limiting plate in the follow-up process.
3. The utility model is convenient for heat dissipation of the thermistor main body by the heat dissipation ports which are arranged on the outer surfaces of the upper shell and the lower shell in a penetrating way.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic diagram of the explosive structure of the present invention.
FIG. 3 is a schematic cross-sectional view of the present invention.
Fig. 4 is a schematic cross-sectional view of the upper housing according to the present invention.
Fig. 5 is a detailed view of a portion a of fig. 3.
In the figure: 1. the thermistor comprises an upper shell, 11, a first fixing screw, 12, an opening, 2, a lower shell, 21, a mounting block, 3, a thermistor main body, 31, a pin piece, 4, a plug interface, 41, a rubber plug, 5, a fixing block, 51, a rotating groove, 52, a rotating shaft, 53, a stirring plate, 531, a spring, 54, a limiting plate, 6, a heat dissipation opening, 7, a positioning column, 71, a positioning hole, 8, a connecting block, 81 and a second fixing screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a small PTC thermistor convenient to install and used for air drying starting comprises an upper shell 1, a lower shell 2 and a thermistor main body 3, wherein installation blocks 21 are symmetrically and fixedly installed on the outer surface of the lower shell 2, a first fixing screw 11 is screwed between the upper shell 1 and the lower shell 2, a pin sheet 31 is arranged in the thermistor main body 3, the upper shell 1 and the lower shell 2 are assembled to form a socket 4 and an installation cavity, the thermistor main body 3 is positioned in the installation cavity, the pin sheet 31 is positioned in the socket 4, a through hole 12 is formed in the upper surface of the upper shell 1 in a penetrating manner, fixing blocks 5 are symmetrically and fixedly installed on the upper surface of the upper shell 1, rotating grooves 51 are formed in the inner side surfaces of the fixing blocks 5, rotating shafts 52 are rotatably installed in the rotating grooves 51, a stirring plate 53 is fixedly installed between two adjacent rotating shafts 52, and a spring 531 is fixedly installed between the lower surface of the stirring plate 53 and the upper surface of the upper shell 1, the lower surface of stirring board 53 all fixed mounting have limiting plate 54 (limiting plate 54 is the insulation board), limiting plate 54 is located opening 12, and the lower surface of limiting plate 54 and the upper surface laminating of pin piece 31, during the installation, install lower casing 2 in the use place through installation piece 21, stir stirring board 53 to the right, spring 531 extends this moment, limiting plate 54 moves up, limiting plate 54 and pin piece 31 produce the grafting space, then install the wire of connecting in the interface 4 grafting space position and pin piece 31 electrical contact, the hand that will stir stirring board 53 at this moment is released, under the effect of spring 531, limiting plate 54 resets and fixes the wire extrusion at the upper surface of pin piece 31.
Particularly, equal fixed mounting has the rubber to block up 41 in interface 4, sets up the rubber through locating at interface 4 and blocks up 41, can insert the wire in interface 4 with pin piece 31 electric connection back, utilizes the rubber to block up 41 and carries out short top to the wire and hold fixedly, and the follow-up limiting plate 53 of being convenient for is fixed the wire.
Specifically, the rubber stopper 41 is a trapezoidal elastic rubber block.
Specifically, the lower surface of the upper casing 1 is fixedly provided with the positioning column 7, the upper surface of the lower casing 2 is provided with the positioning hole 71, the positioning column 7 is inserted into the positioning hole 71, and the upper casing 1 and the lower casing 2 are conveniently installed by arranging the positioning column 7 and the positioning hole 71.
Particularly, the outer surface of the upper casing 1 and the lower casing 2 is fixedly provided with a connecting block 8, a second fixing screw 81 is screwed between the upper and lower two adjacent connecting blocks 8, the connecting block 8 and the second fixing screw 81 are used for fixing the position of the socket 4 between the upper casing 1 and the lower casing 2, and the gap between the socket 4 between the upper casing 1 and the lower casing 2 under the action of the spring 531 is avoided.
Specifically, the outer surfaces of the upper case 1 and the lower case 2 are both provided with the heat dissipation port 6, and heat can be dissipated when the thermistor main body 3 is operated by providing the heat dissipation port 6.
The working principle is as follows: during the installation, will descend casing 2 to install through installation piece 21 and at the use, stir the board 53 of dialling to the right, spring 531 extends this moment, and limiting plate 54 moves upward, and limiting plate 54 and pin piece 31 produce the grafting space, then peg graft the wire of connecting and install and peg graft the clearance position and pin piece 31 electrical contact in interface 4, will stir the hand of dialling the board 53 this moment and release, under the effect of spring 531, limiting plate 54 resets and fixes the wire extrusion at the upper surface of pin piece 31.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a sky small-size PTC thermistor for dry start convenient to installation, includes casing (1), casing (2) and thermistor main part (3) down, the outer surface symmetry fixed mounting of casing (2) has installation piece (21) down, go up casing (1) and install first set screw (11) with the spiro union between casing (2) down, be provided with pin piece (31), its characterized in that in thermistor main part (3): the thermistor comprises an upper shell (1) and a lower shell (2) which are assembled to form a socket (4) and an installation cavity, a thermistor main body (3) is located in the installation cavity, pin pieces (31) are located in the socket (4), a through hole (12) is formed in the upper surface of the upper shell (1) in a penetrating mode, fixed blocks (5) are symmetrically and fixedly installed on the upper surface of the upper shell (1), rotating grooves (51) are formed in the inner side surfaces of the fixed blocks (5), rotating shafts (52) are rotatably installed in the rotating grooves (51), a poking plate (53) is fixedly installed between every two adjacent rotating shafts (52), a spring (531) is fixedly installed between the lower surface of the poking plate (53) and the upper surface of the upper shell (1), a limiting plate (54) is fixedly installed on the lower surface of the poking plate (53), and the limiting plate (54) is located in the through hole (12), and the lower surface of the limiting plate (54) is attached to the upper surface of the pin sheet (31).
2. A compact PTC thermistor for dry start easy to install according to claim 1, wherein: rubber plugs (41) are fixedly arranged in the insertion ports (4).
3. A compact PTC thermistor for dry start easy to install according to claim 2, wherein: the rubber plug (41) is a trapezoidal elastic rubber block.
4. A compact PTC thermistor for dry start easy to install according to claim 1, wherein: the lower surface of the upper shell (1) is fixedly provided with a positioning column (7), the upper surface of the lower shell (2) is provided with a positioning hole (71), and the positioning column (7) is inserted into the positioning hole (71).
5. A compact PTC thermistor for dry start easy to install according to claim 1, wherein: go up the equal fixed mounting in surface of casing (1) and lower casing (2) and have connecting block (8), two upper and lower adjacent the spiro union is installed second set screw (81) between connecting block (8).
6. A compact PTC thermistor for dry start easy to install according to claim 1, wherein: the outer surfaces of the upper shell (1) and the lower shell (2) are both penetrated through to be provided with a heat dissipation port (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121827087.1U CN215577983U (en) | 2021-08-06 | 2021-08-06 | Empty small-size PTC thermistor that withers and starts convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121827087.1U CN215577983U (en) | 2021-08-06 | 2021-08-06 | Empty small-size PTC thermistor that withers and starts convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215577983U true CN215577983U (en) | 2022-01-18 |
Family
ID=79833090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121827087.1U Expired - Fee Related CN215577983U (en) | 2021-08-06 | 2021-08-06 | Empty small-size PTC thermistor that withers and starts convenient to installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215577983U (en) |
-
2021
- 2021-08-06 CN CN202121827087.1U patent/CN215577983U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |