CN209708739U - A kind of transformer overcurrent protection PTC themistor easy to install - Google Patents
A kind of transformer overcurrent protection PTC themistor easy to install Download PDFInfo
- Publication number
- CN209708739U CN209708739U CN201920747386.0U CN201920747386U CN209708739U CN 209708739 U CN209708739 U CN 209708739U CN 201920747386 U CN201920747386 U CN 201920747386U CN 209708739 U CN209708739 U CN 209708739U
- Authority
- CN
- China
- Prior art keywords
- slot
- inserting column
- install
- easy
- overcurrent protection
- Prior art date
- 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
Abstract
The utility model discloses a kind of transformer overcurrent protection PTC themistors easy to install; including resistor body and pcb board; the bottom end of resistor body is equipped with inserting column; two side bottoms of inserting column are fixed with the limited block being linked together; the interspersed connection of the slot that inserting column and pcb board top open up; the two sides cell wall of slot opens up fluted; the side cell wall of two grooves is fixedly installed with limit spring; one end of two limit springs is fixedly installed with wedge block, and the bottom end of two limited blocks and the tip contact of limited block connect.A kind of transformer overcurrent protection PTC themistor easy to install of the utility model; the flexible of wedge block is controlled by the spring installed inside slot grooves on two sides; convenient for by cooperating between wedge block and limited block; inserting column is firmly secured in slot; the installation effectiveness of thermal resistor is improved, while guaranteeing firm installation between thermal resistor and pcb board.
Description
Technical field
The utility model relates to a kind of PTC themistor, in particular to a kind of transformer overcurrent protection easy to install is used
PTC themistor.
Background technique
Thermal resistor is a kind of extremely sensitive resistor of resistance value on temperature, is also semiconductor thermistor device.It
It can be made of the semiconductor materials such as monocrystalline, polycrystalline and glass, plastics.This resistor has a series of special electrical properties,
Most basic characteristic is that its resistance value variation with temperature has extremely significant change and volt-ampere curve in non-linear.
Existing transformer in use, is easy to produce over-current phenomenon avoidance, and existing transformer overcurrent phenomenon is generally logical
Thermistor to be crossed to protect transformer, existing thermistor during the installation process, is generally installed by soldering,
Installation effectiveness is low, it is therefore desirable to design a kind of transformer overcurrent protection PTC themistor easy to install.
Utility model content
The purpose of this utility model is to provide a kind of transformer overcurrent protection PTC themistor easy to install, with
It solves existing thermistor mentioned above in the background art during the installation process, is generally installed by soldering, peace
The problem of filling inefficiency.
To achieve the above object, the utility model provides the following technical solutions: a kind of transformer overcurrent protection easy to install
It is equipped with inserting column with the bottom end of PTC themistor, including resistor body and pcb board, the resistor body, the inserting column
Two side bottoms are fixed with the limited block being linked together, the interspersed connection of the slot that the inserting column and pcb board top open up, described
The two sides cell wall of slot opens up fluted, and the side cell wall of two grooves is fixedly installed with limit spring, two institutes
The one end for stating limit spring is fixedly installed with wedge block, and the bottom end of two limited blocks and the tip contact of limited block connect
Connect, the top and bottom end of two wedge blocks are fixedly installed with sliding block, two sliding blocks respectively with groove top cell wall
The sliding slot opened up with bottom end cell wall is slidably connected.
As a kind of optimal technical scheme of the utility model, the junction of the inserting column and slot is sticked and has insulating cement.
As a kind of optimal technical scheme of the utility model, the size and the internal diameter phase of slot of the inserting column end point
Match.
As a kind of optimal technical scheme of the utility model, the junction of the wedge block and limited block is offered uniformly
The anti-skid chequer of distribution.
As a kind of optimal technical scheme of the utility model, the face cap of the resistor body is equipped with transparent glass
Cover.
Compared with prior art, the utility model has the beneficial effects that a kind of transformer mistake easy to install of the utility model
Protection PTC themistor is flowed, the flexible of wedge block is controlled by the spring installed inside slot grooves on two sides, convenient for passing through
Cooperate between wedge block and limited block, inserting column is firmly secured in slot, improves the installation effectiveness of thermal resistor, protect simultaneously
Demonstrate,prove firm installation between thermal resistor and pcb board.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the thermal resistor structural schematic diagram of the utility model；
Fig. 3 is the partial structural diagram of the utility model.
In figure: 1, resistor body；2, inserting column；3, limited block；4, pcb board；5, slot；6, wedge block；7, groove；8, it limits
Position spring；9, sliding slot；10, sliding block.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of transformer overcurrent protection PTC thermistor easy to install
Device, including resistor body 1 and pcb board 4, the bottom end of resistor body 1 are equipped with inserting column 2, and the fixation of two side bottoms of inserting column 2 is set
There is the limited block 3 being linked together, the interspersed connection of the slot 5 that inserting column 2 and 4 top of pcb board open up, the two sides cell wall of slot 5 is opened
Equipped with groove 7, the side cell wall of two grooves 7 is fixedly installed with limit spring 8, and one end of two limit springs 8 is fixed
Wedge block 6 is installed, the bottom end of two limited blocks 3 is connect with the tip contact of limited block 3, the top and bottom of two wedge blocks 6
End is fixedly installed with sliding block 10, and the sliding slot 9 that two sliding blocks 10 are opened up with 7 top cell wall of groove and bottom end cell wall respectively, which slides, to be connected
It connects.
Preferably, the junction of inserting column 2 and slot 5, which is sticked, insulating cement, by the insulating cement being sticked, effective surface leakage
Electricity.
Preferably, the size of 2 end point of inserting column and the internal diameter of slot 5 match, the size and slot 5 of 2 end point of inserting column
Internal diameter match, be inserted into slot 5 convenient for inserting column 2.
Preferably, the junction of wedge block 6 and limited block 3 offers equally distributed anti-skid chequer, anti-skidding by what is opened up
Line increases the frictional force between wedge block 6 and limited block 3.
Preferably, the face cap of resistor body 1 is equipped with transparent glass cover and avoids ash by the transparent glass cover being equipped with
Dirt enters the inside of resistor body 1.
When specifically used, a kind of transformer overcurrent protection PTC themistor easy to install of the utility model works as needs
When being mounted on PTC themistor, the pcb board 4 that the inserting column 2 of 1 one end of resistor body is inserted into inside transformer is pushed up first
It holds in the slot 5 opened up, wedge block 6 is squeezed by limited block 3 by artificial pressing resistor body 1, wedge block 6 is squeezed
Into groove 7, when the end of inserting column 2 is squeezed to the slot bottom of slot 5, by the limit spring 8 in groove 7 again by wedge block
6 squeeze out in groove 7, by engaging between wedge block 6 and limited block 3, inserting column 2 are firmly secured in slot 5, temperature-sensitive is completed
The installation of resistor.
In the description of the present invention, it should be understood that the orientation or positional relationship of instruction is based on shown in attached drawing
Orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as practical new to this
The limitation of type.
In the present invention unless specifically defined or limited otherwise, for example, it may be being fixedly connected, be also possible to
It is detachably connected, or integral；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements, unless otherwise clear
Restriction can understand above-mentioned term in the utility model as the case may be for the ordinary skill in the art
In concrete meaning.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of transformer overcurrent protection PTC themistor easy to install, including resistor body (1) and pcb board (4),
It is characterized in that, the bottom end of the resistor body (1) is equipped with inserting column (2), two side bottoms of the inserting column (2) are fixed with
The interspersed connection of the slot (5) that the limited block (3) being linked together, the inserting column (2) and pcb board (4) top open up, the slot
(5) two sides cell wall opens up fluted (7), and the side cell wall of two grooves (7) is fixedly installed with limit spring
(8), one end of two limit springs (8) is fixedly installed with wedge block (6), the bottom end of two limited blocks (3) with
The tip contact of limited block (3) connects, and the top and bottom end of two wedge blocks (6) are fixedly installed with sliding block (10), and two
The sliding slot (9) that a sliding block (10) opens up with groove (7) top cell wall and bottom end cell wall respectively is slidably connected.
2. one kind according to claim 1 transformer overcurrent protection PTC themistor easy to install, feature exist
In: the junction of the inserting column (2) and slot (5) is sticked and has insulating cement.
3. one kind according to claim 1 transformer overcurrent protection PTC themistor easy to install, feature exist
In: the size of inserting column (2) end point and the internal diameter of slot (5) match.
4. one kind according to claim 1 transformer overcurrent protection PTC themistor easy to install, feature exist
In: the junction of the wedge block (6) and limited block (3) offers equally distributed anti-skid chequer.
5. one kind according to claim 1 transformer overcurrent protection PTC themistor easy to install, feature exist
In: the face cap of the resistor body (1) is equipped with transparent glass cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920747386.0U CN209708739U (en) | 2019-05-23 | 2019-05-23 | A kind of transformer overcurrent protection PTC themistor easy to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920747386.0U CN209708739U (en) | 2019-05-23 | 2019-05-23 | A kind of transformer overcurrent protection PTC themistor easy to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209708739U true CN209708739U (en) | 2019-11-29 |
Family
ID=68649845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920747386.0U Expired - Fee Related CN209708739U (en) | 2019-05-23 | 2019-05-23 | A kind of transformer overcurrent protection PTC themistor easy to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209708739U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111405690A (en) * | 2020-03-31 | 2020-07-10 | 宁波亚希尔电器有限公司 | PTC heater convenient to disassemble |
-
2019
- 2019-05-23 CN CN201920747386.0U patent/CN209708739U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111405690A (en) * | 2020-03-31 | 2020-07-10 | 宁波亚希尔电器有限公司 | PTC heater convenient to disassemble |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209708739U (en) | A kind of transformer overcurrent protection PTC themistor easy to install | |
| CN204188299U (en) | Multichannel IGBT inner NTC high temperature real-time detection circuit | |
| CN208596859U (en) | Wide temperature range type electro-optic Q switch | |
| CN102967756A (en) | Heating circuit of electric energy meter for low temperature environment | |
| CN211381691U (en) | Rib claw heating device | |
| CN203012012U (en) | Electric energy meter heating circuit used in low temperature environment | |
| CN205812410U (en) | A kind of Intelligent heating controller circuit | |
| CN2413833Y (en) | Multi-function safety electric soldering iron | |
| CN204316761U (en) | High precision electro heating film board insulating box | |
| CN210896820U (en) | Thermistor assembly | |
| CN105486423A (en) | Real-time detection circuit for NTC high temperature in multipath IGBT | |
| CN204694379U (en) | A kind of fixture of thermistor | |
| CN205094138U (en) | A temperature sensor for tame power consumption rice cooker | |
| CN214173591U (en) | Improved thermistor | |
| CN205306725U (en) | Main temperature controller and electric rice cooker | |
| CN207966321U (en) | It is a kind of to facilitate fixed municipal gardens trees nameplate | |
| CN210015882U (en) | Battery box | |
| CN209404385U (en) | Temperature sensing cup and cooking utensil | |
| CN213283729U (en) | Flexible hand warmer | |
| CN201206879Y (en) | Dry-proof simple humidifier | |
| CN216898351U (en) | Long-life graphite crucible | |
| CN209357026U (en) | It is a kind of can be with the hand warming mouse of temperature control | |
| CN212812061U (en) | Compound high voltage heater connection structure | |
| CN208000797U (en) | A kind of sliceable matrix formula PTC thermistor | |
| CN208507610U (en) | A kind of circuit breaker contact arm structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191129 |