CN210129631U - Connector with overheat protection function - Google Patents

Abstract

The utility model discloses a take connector of overheat protection function, including seat of honour and flexible seat, the seat of honour is equipped with contact pin and connecting wire, connecting wire one end is connected with the contact pin, connecting wire one end is extended the seat of honour, flexible seat passes through telescoping device elastic connection with the seat of honour, be equipped with binding post in the flexible seat, electrically conductive shell fragment, joint shell fragment and overheat protection device, flexible seat top is equipped with the temperature sensing area, overheat protection device arranges the temperature sensing area in the upper end, overheat protection device's lower extreme orders about electrically conductive shell fragment and connects binding post and joint shell fragment, the seat of honour top is equipped with down binding post, joint shell fragment and a contact pin pass through down binding. This kind of take connector of overheat protection function, overheat protection device sets up with upper seat is integrative to make the connector have overheat protection function, the connector can assemble in advance and wholly pack into the broken wall built-in again, improves production efficiency, and overheat protection device and connector structure as an organic whole, overall structure is compact, and is small.

Description

Connector with overheat protection function

Technical Field

The utility model relates to a connector technical field for the broken wall machine specifically relates to a take connector of overheat protection function.

Background

Current broken wall machine includes connector and overheat protection device, and both are independent components and parts, though have between connector and the overheat protection device to connect through the wire, however, connector and overheat protection device mounted position are different, need different processes to install connector and overheat protection device respectively, and the production process is various, and production efficiency is low, has certain requirement to broken wall built-in structural design moreover.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a take connector of overheat protection function.

The purpose of the utility model is realized like this.

The utility model provides a take connector of overheat protection function, includes the seat of honour, and the seat of honour bottom is equipped with contact pin and connecting wire, and the contact pin is used for being connected with lower seat, and connecting wire one end is connected with the contact pin, and connecting wire one end extends the seat of honour, its characterized in that: the upper seat top surface still is equipped with flexible seat, flexible seat passes through telescoping device elastic connection with the upper seat, is equipped with binding post, electrically conductive shell fragment, joint shell fragment and overheat protection device in the flexible seat, flexible seat top is equipped with the temperature sensing district, in the temperature sensing district was arranged in to overheat protection device upper end, overheat protection device's lower extreme orders about electrically conductive shell fragment and connects binding post and joint shell fragment, the upper seat top corresponds joint shell fragment position and is equipped with down binding post, down binding post lower extreme is connected with a contact pin, down binding post upper end is connected with the joint shell fragment. This kind of take connector of overheat protection function sets up overheat protection device on an electric circuit of seat of honour to make the connector have overheat protection function, the connector can assemble in advance and wholly pack into the broken wall built-in again, improves production efficiency, overheat protection device and connector structure as an organic whole, overall structure is compact, and is small, and in addition, the connector passes through flexible seat contact with the dish that generates heat, so that overheat protection device can more accurate detection dish temperature that generates heat.

The technical scheme can be further perfected as follows.

More specifically, the overheat protection device comprises a shell, temperature sensing particles and a push rod, wherein an accommodating cavity is formed in the shell, the temperature sensing particles are arranged at the top of the accommodating cavity and used for detecting the temperature of the temperature sensing area, the upper end of the push rod abuts against the temperature sensing particles, and the lower end of the push rod extends out of the shell and abuts against the conductive elastic sheet. After the casing is fixed, the temperature sensing granule compresses tightly electrically conductive shell fragment through the push rod, ensures that the seat of honour can normal use, detects when the temperature sensing granule that generates heat the dish and reaches or surpass the default after, and the temperature sensing granule warp (become the powder or be in the melt flow including the temperature sensing granule), and electrically conductive shell fragment shifts up and promotes the push rod through self elasticity and shifts up, and the conducting wire disconnection in the seat of honour to realize the power failure of honour.

More specifically, the overheat protection device further comprises a temperature sensing spring and a sealing ring, wherein an annular bulge is arranged in the middle of the push rod, the upper end of the temperature sensing spring abuts against the bottom surface of the temperature sensing particles, the lower end of the temperature sensing spring is sleeved on the upper end of the push rod and abuts against the top surface of the annular bulge, and the sealing ring is arranged between the bottom surface of the annular bulge and the bottom surface of the accommodating cavity. The interval of the adjustable temperature sensing granule of temperature sensing spring and push rod, the length that the control push rod stretches out the casing, and then ensures that the push rod lower extreme compresses tightly electrically conductive shell fragment all the time, improves overheat protection device's stability, prevents to have the clearance between push rod and the electrically conductive shell fragment to lead electrically conductive shell fragment to shift up, avoid the outage to trigger by mistake, the sealing washer prevents that the temperature sensing granule from escaping from the casing after warping.

More specifically, the telescopic seat is provided with a support, the support is provided with a limiting hole, and the overheating protection device is arranged in the limiting hole so as to be positioned above the conductive elastic sheet. The support fixes the overheating protection device, so that the overheating protection device moves up and down in the limiting hole, and the lower end of the limiting hole abuts against the conductive elastic sheet.

More specifically, the telescopic seat comprises a seat body and a fixing frame, the fixing frame is fixed to the top of the seat body through screws, a temperature sensing hole is formed in the fixing frame, a temperature sensing cap is arranged in the temperature sensing hole and is covered on the top of the overheating protection device, and the temperature sensing cap forms the temperature sensing area. The mount can adopt the heat conduction material to make, is convenient for be made the overheated protection device of heat transfer of dish that will generate heat, and the pedestal adopts high temperature resistant or thermal insulation material to make, prevents to generate heat the dish and gets off the seat with heat transfer through the mount, and the temperature sensing cap adopts the good material of heat conduction to make to the heat transfer that will generate heat the dish gives overheated protection device.

More specifically, a groove is formed in the center of the bottom of the temperature sensing cap, the top of the overheat protection device is fixed in the groove, a convex edge is arranged on the periphery of the bottom of the temperature sensing cap and abuts against the bottom surface of the fixing frame, and the horizontal height of the top surface of the temperature sensing cap is higher than or equal to that of the top surface of the fixing frame. The temperature sensing cap prevents the overheat protection device from separating from the telescopic seat from the upper part of the telescopic seat, and the top surface of the temperature sensing cap can be better contacted with the heating disc for heat conduction.

More specific scheme, the joint shell fragment extends flexible seat one side, and the joint shell fragment is located upper base top surface top, lower binding post and a contact pin an organic whole set up, the vertical upper base top surface that extends of lower binding post, and peg graft with the joint shell fragment, go up binding post one end and extend flexible seat one side, it is unanimous with the connecting wire direction to go up binding post extending direction, the direction of connection is unanimous, the broken wall built-in line connection of being convenient for, lower binding post is pegged graft with the joint shell fragment, the conducting wire is connected easily with the conducting wire of upper base in the flexible seat, and certain elastic connection's space has, so that the flexible interval between flexible seat.

More specific scheme, the telescoping device includes lug, lower lug, expanding spring and screw, and the lug is established respectively in flexible seat both sides, and the lug bottom downwardly extending has the guide post, and lower lug is established respectively in the seat of honour both sides, and it has the guiding hole to open on the lower lug, and expanding spring overlaps on the guide post, and in the guide post inserted the guiding hole from top to bottom, the screw was connected with the guide post by lower lug bottom to make lug and lower lug press from both sides tight expanding spring. The telescopic spring is fixed through the guide post, and the upper lug and the lower lug clamp the telescopic spring and are locked through screws.

More specifically, one side of the top of the upper seat is provided with a stepped groove, and the telescopic seat is arranged on the stepped groove. The flexible seat position of ladder groove spacing, location is convenient for joint shell fragment and lower binding post connect.

More specifically, the conductive elastic sheet and the upper wiring terminal/clamping elastic sheet are integrally arranged. The overheat protection device can control the opening and closing of the conductive elastic sheet and the upper wiring terminal/clamping elastic sheet more easily.

The utility model has the advantages as follows:

(1) this kind of take connector of overheat protection function sets up overheat protection device on an electric circuit of seat of honour to make the connector have overheat protection function, the connector can assemble in advance and wholly pack into the broken wall built-in again, improves production efficiency, overheat protection device and connector structure as an organic whole, overall structure is compact, and is small, and in addition, the connector passes through flexible seat contact with the dish that generates heat, so that overheat protection device can more accurate detection dish temperature that generates heat.

(2) Secondly, after the casing is fixed, the temperature sensing granule compresses tightly electrically conductive shell fragment through the push rod, ensure that the seat of honour can normal use, after the temperature sensing granule detects the dish that generates heat and reaches or surpasses the default, the temperature sensing granule warp (become the powder or be in the molten fluid including the temperature sensing granule), electrically conductive shell fragment shifts up and promotes the push rod through self elasticity and shifts up, conductive circuit disconnection in the seat of honour, thereby realize the power failure of seat of honour, the adjustable temperature sensing granule of temperature sensing spring and the interval of push rod, the length that the control push rod stretches out the casing, and then ensure that the push rod lower extreme compresses tightly electrically conductive shell fragment all the time, improve overheat protection's stability, prevent to have the clearance between push rod and the electrically conductive shell fragment, so that electrically conductive.

(3) Moreover, the fixing frame can be made of heat conducting materials, so that heat of the heating disc can be conveniently transferred to the overheating protection device, the seat body is made of high-temperature resistant or heat insulating materials, the heating disc is prevented from transferring heat to the seat through the fixing frame, and the temperature sensing cap is made of materials with good heat conduction, so that heat of the heating disc can be conveniently transferred to the overheating protection device; the temperature sensing cap prevents the overheat protection device from separating from the telescopic seat from the upper part of the telescopic seat, and the top surface of the temperature sensing cap can be better contacted with the heating disc for heat conduction.

(4) In addition, the stepped groove limits and positions the telescopic seat, so that the clamping elastic sheet is conveniently connected with the lower wiring terminal; the telescopic spring is fixed through the guide post, the upper lug and the lower lug clamp the telescopic spring and are locked through screws, so that the telescopic seat is elastically connected with the upper seat, the lower wiring terminal is inserted into the clamping elastic sheet, a conductive circuit in the telescopic seat is easily connected with a conductive circuit of the upper seat, and a certain elastic connection space is formed to adapt to the elastic space between the telescopic seat and the upper seat; the conductive elastic sheet and the upper wiring terminal/clamping elastic sheet are integrally arranged. The overheat protection device can control the opening and closing of the conductive elastic sheet and the upper wiring terminal/clamping elastic sheet more easily.

Drawings

Fig. 1 is a schematic structural diagram of a connector with an overheat protection function according to an embodiment.

Fig. 2 is a schematic structural diagram (another view) of a connector with an overheat protection function according to an embodiment.

Fig. 3 is an exploded view of a connector with overheat protection function according to an embodiment.

Fig. 4 is a cross-sectional view of a connector with overheat protection according to an embodiment.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

first embodiment, referring to fig. 1-4, a connector with overheat protection function comprises an upper base 1, a pin 10 is disposed at the bottom of the upper base 1 for connecting with a lower base, a connecting wire 11 is disposed at the top of the upper base 1, one end of the connecting wire 11 is connected with the pin 10, one end of the connecting wire 11 extends out of the upper base 1, a stepped groove 12 is disposed at one side of the top of the upper base 1 at the top of the upper base 1, a telescopic base 2 is disposed on the stepped groove 12, the telescopic base 2 is elastically connected with the upper base 1 through a telescopic device 3, an upper connecting terminal 4, a conductive elastic sheet 5, a clamping elastic sheet 6 and an overheat protection device 7 are disposed in the telescopic base 2, a temperature-sensitive area 200 is disposed at the top of the telescopic base 2, the upper end of the overheat protection device 7 is disposed in the temperature-sensitive area 200, the lower end of the overheat protection device 7 drives the conductive elastic sheet 5 to, the lower end of the lower wiring terminal 8 is connected with a contact pin 10, and the upper end of the lower wiring terminal 8 is connected with the clamping elastic sheet 6. The number of the pins 10 and the connecting wires 11 exceeds 3, and the pins comprise a zero wire, a live wire, a ground wire and a data wire for transmitting data.

In this embodiment, the telescopic device 3 includes an upper lug 31, a lower lug 32, a telescopic spring 33 and a screw 34, the upper lug 31 is respectively disposed on two sides of the telescopic seat 2, the guide post 30 extends downward from the bottom surface of the upper lug 31, the lower lug 32 is respectively disposed on two sides of the upper seat 1, the lower lug 32 is provided with a guide hole 35, the telescopic spring 33 is sleeved on the guide post 30, the guide post 30 is inserted into the guide hole 35 from top to bottom, and the screw 34 is connected to the guide post 30 from the bottom surface of the lower lug 32, so that the upper lug 31 and the lower lug 32 clamp the telescopic spring 33.

The clamping elastic piece 6 extends out of one side of the telescopic seat 2, the clamping elastic piece 6 is located above the top surface of the upper seat 1, the lower wiring terminal 8 and a contact pin 10 are integrally arranged, the lower wiring terminal 8 vertically extends out of the top surface of the upper seat 1 and is connected with the clamping elastic piece 6 in an inserting mode, one end of the upper wiring terminal 4 extends out of one side of the telescopic seat 2, and the extending direction of the upper wiring terminal 4 is consistent with the direction of the connecting wire 11. Of course, the clamping spring 6 and the lower terminal 8 can also be connected by a lead, but the lead must be reserved with enough length to meet the requirement of the maximum distance between the telescopic seat 2 and the upper seat 1.

The telescopic seat 2 comprises a seat body 21 and a fixing frame 22, the fixing frame 22 is fixed at the top of the seat body 21 through a screw 34, a temperature sensing hole 220 is formed in the fixing frame 22, a temperature sensing cap 20 is arranged in the temperature sensing hole 220, the temperature sensing cap 20 covers the top of the overheating protection device 7, a groove 201 is formed in the center of the bottom of the temperature sensing cap 20, the top of the overheating protection device 7 is fixed in the groove 201, a convex edge 202 is arranged on the periphery of the bottom of the temperature sensing cap 20, the convex edge 202 abuts against the bottom surface of the fixing frame 22, and the horizontal height of the top surface of the.

Be equipped with support 23 on the pedestal 21, be equipped with spacing hole 24 on the support 23, overheat protection device 7 locates in spacing hole 24, so that overheat protection device 7 is located conductive shell fragment 5 top, go up binding post 4, conductive shell fragment 5, joint shell fragment 6 is all fixed on pedestal 21, conductive shell fragment 5 is integrative setting with joint shell fragment 6, the expansion end of conductive shell fragment 5 is equipped with the movable contact, it is equipped with the stationary contact to go up binding post 4, the movable contact is arranged in the stationary contact top, the elasticity of conductive shell fragment 5 makes movable contact have the trend of keeping away from the stationary contact, overheat protection device 7 pushes down conductive shell fragment 5, so that movable contact and stationary contact offset.

The overheat protection device 7 includes a housing 71, temperature sensing particles 72, a temperature sensing spring 73, a push rod 74 and a sealing ring 75, wherein the housing 71 is provided with an accommodating chamber 70, the temperature sensing particles 72 are disposed on the top of the accommodating chamber 70 for detecting the temperature of the temperature sensing region 200, an annular protrusion 76 is disposed in the middle of the push rod 74, the upper end of the temperature sensing spring 73 abuts against the bottom surface of the temperature sensing particles 72, the lower end of the temperature sensing spring 73 is sleeved on the upper end of the push rod 74 and abuts against the top surface of the annular protrusion 76, the sealing ring 75 is disposed between the bottom surface of the annular protrusion 76 and the inner bottom surface of the accommodating chamber 70, and the lower end of the. The temperature sensing particles 72 are hard particles which become powder or liquid after the heating temperature reaches a set value; the hard particles can be solid particle quartz sand, and can be changed into powder when being heated (temperature) to a certain degree; of course, the hard particles may be ordinary plastic particles, and after being heated (temperature) to a certain degree, the hard particles are partially melted to cause deformation. The push rod 74 is made of an insulating material, and the push rod 74 is preferably a porcelain rod.

This embodiment is after the installation is accomplished, through adjusting flexible seat 2 and 1 interval of seat of honour to make overheat protection device 7 be connected electrically conductive shell fragment 5 and last binding post 4, avoid having the clearance between electrically conductive shell fragment 5 and overheat protection device 7, the joint shell fragment 6 in the transportation.

This take overheat protection function's connector arranges the broken wall built-in, go up binding post 4 and the contact pin 10 place circuit of connecting lower binding post 8 and be zero line or live wire, the heating device of broken wall machine, if the dish bottom surface that generates heat offsets with mount 22 top surface, the temperature of dish that generates heat is passed through temperature sensing cap 20 and is transmitted for temperature sensing granule 72, after the temperature of temperature sensing granule 72 reached the default (generally being 120 °), temperature sensing granule 72 becomes powder, temperature sensing spring 73 upper end loses the support, the elasticity self of electrically conductive shell fragment 5 shifts up, also promote push rod 74 simultaneously, temperature sensing spring 73 shifts up, the movable contact of electrically conductive shell fragment 5 and last binding post 4's stationary contact separation outage, thereby realize overheat protection function.

Claims (10)

1. The utility model provides a take connector of overheat protection function, includes upper seat (1), upper seat (1) is equipped with contact pin (10) and connecting wire (11), and contact pin (10) are used for and seat under with and are connected, and connecting wire (11) one end is connected with contact pin (10), and connecting wire (11) one end extends upper seat (1), its characterized in that: go up seat (1) top surface and still be equipped with flexible seat (2), flexible seat (2) and seat of honour (1) are through telescoping device (3) elastic connection, be equipped with binding post (4) in flexible seat (2), electrically conductive shell fragment (5), joint shell fragment (6) and overheat protection device (7), flexible seat (2) top is equipped with temperature sensing area (200), overheat protection device (7) upper end is arranged in temperature sensing area (200), the lower extreme of overheat protection device (7) orders about electrically conductive shell fragment (5) and connects binding post (4) and joint shell fragment (6), it is equipped with down binding post (8) to correspond joint shell fragment (6) position at upper seat (1) top, lower binding post (8) lower extreme is connected with a contact pin (10), lower binding post (8) upper end is connected with joint shell fragment (6).

2. The connector with overheat protection function according to claim 1, wherein: the overheat protection device (7) comprises a shell (71), temperature sensing particles (72) and a push rod (74), wherein an accommodating cavity (70) is formed in the shell (71), the temperature sensing particles (72) are arranged at the top of the accommodating cavity (70) and used for detecting the temperature of the temperature sensing area (200), the upper end of the push rod (74) abuts against the temperature sensing particles (72), and the lower end of the push rod (74) extends out of the shell (71) and abuts against the conductive elastic sheet (5).

3. The connector with overheat protection function according to claim 2, wherein: the overheating protection device (7) further comprises a temperature sensing spring (73) and a sealing ring (75), an annular bulge (76) is arranged in the middle of the push rod (74), the upper end of the temperature sensing spring (73) abuts against the bottom surface of the temperature sensing particles (72), the lower end of the temperature sensing spring (73) is sleeved on the upper end of the push rod (74) and abuts against the top surface of the annular bulge (76), and the sealing ring (75) is arranged between the bottom surface of the annular bulge (76) and the inner bottom surface of the accommodating cavity (70).

4. The connector with overheat protection function according to claim 1, wherein: the telescopic base (2) is provided with a support (23), the support (23) is provided with a limiting hole (24), and the overheating protection device (7) is arranged in the limiting hole (24) so that the overheating protection device (7) is positioned above the conductive elastic sheet (5).

5. The connector with overheat protection function according to claim 1, wherein: the telescopic seat (2) comprises a seat body (21) and a fixing frame (22), the fixing frame (22) is fixed to the top of the seat body (21) through screws, a temperature sensing hole (220) is formed in the fixing frame (22), a temperature sensing cap (20) is arranged in the temperature sensing hole (220), the temperature sensing cap (20) covers the top of the overheating protection device (7), and the temperature sensing cap (20) forms the temperature sensing area (200).

6. The connector with overheat protection function according to claim 5, wherein: the temperature sensing cap is characterized in that a groove (201) is formed in the center of the bottom of the temperature sensing cap (20), the top of an overheat protection device (7) is fixed in the groove (201), a convex edge (202) is arranged on the periphery of the bottom of the temperature sensing cap (20), the convex edge (202) abuts against the bottom surface of the fixing frame (22), and the horizontal height of the top surface of the temperature sensing cap (20) is higher than or equal to that of the top surface of the fixing frame (22).

7. The connector with overheat protection function according to claim 1, wherein: joint shell fragment (6) extend flexible seat (2) one side, and joint shell fragment (6) are located seat of honour (1) top surface top, and lower binding post (8) and a contact pin (10) an organic whole set up, and lower binding post (8) are vertical to be extended seat of honour (1) top surface to peg graft with joint shell fragment (6), go up binding post (4) one end and extend flexible seat (2) one side, go up binding post (4) extending direction and connecting wire (11) direction unanimity.

8. The connector with overheat protection function according to claim 1, wherein: the telescopic device (3) comprises upper lugs (31), lower lugs (32), telescopic springs (33) and screws (34), the upper lugs (31) are arranged on two sides of the telescopic seat (2) respectively, guide columns (30) extend downwards from the bottom surfaces of the upper lugs (31), the lower lugs (32) are arranged on two sides of the upper seat (1) respectively, guide holes (35) are formed in the lower lugs (32), the telescopic springs (33) are sleeved on the guide columns (30), the guide columns (30) are inserted into the guide holes (35) from top to bottom, and the screws (34) are connected with the guide columns (30) from the bottom surfaces of the lower lugs (32) so that the upper lugs (31) and the lower lugs (32) clamp the telescopic springs (33).

9. The connector with overheat protection function according to claim 1, wherein: a stepped groove (12) is formed in one side of the top of the upper seat (1), and the telescopic seat (2) is arranged on the stepped groove (12).

10. The connector with overheat protection function according to claim 1, wherein: the conductive elastic sheet (5) and the upper wiring terminal (4)/the clamping elastic sheet (6) are integrally arranged.

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