CN208783121U - Adjust the temperature electronically device electronic heater fixed structure - Google Patents

Abstract

The utility model relates to auto parts fields, and especially adjust the temperature electronically device electronic heater fixed structure.Adjust the temperature electronically device electronic heater fixed structure, including sheath, it is hollow above and below sheath, sealed bottom connects cold extrusion end socket, and sheath external wall of upper portion is equipped with lid, and the lid is in inverted T shaped, it covers hollow, recess is equipped with locating slot on lid circular connector, and positioning slot cross-section is triangular in shape, and lid external wall of upper portion is recessed inwardly.The usefulness of the utility model: structure novel, it is ingenious in design, easy making process, simplify electronic heater housing processing technology, saves raw material, injection method of adopting new technology, it is filled in electronic heater heat-generating pipe gap, keep electronic heater each components solidification integral, can high temperature resistant, insulation, thermally conductive fast, the response time is short.

Description

Adjust the temperature electronically device electronic heater fixed structure

Technical field

The utility model relates to auto parts fields, and especially adjust the temperature electronically device electronic heater fixed structure.

Background technique

The device energy autocontrol valve that adjusts the temperature electronically according to the temperature change of liquid and the operating condition of engine changes liquid automatically Flow, so that engine is reached optimum working state, be in recent years in the world emerging energy conservation and environmental protection, improve engine performance A kind of high-end product, traditional mechanical thermosistor cannot achieve.The core of device autocontrol valve of adjusting the temperature electronically is Heater part, that is, electronic heater, due to being limited by use environment, production technology etc., the electronic heater of small size is in state Interior or blank, external product quality also fluctuate always, and main problem is that processing is complicated.

Summary of the invention

In order to solve the technical problem of above-mentioned processing complexity, the utility model provides the device electronic heater that adjusts the temperature electronically and fixes Structure.

The technical solution of the utility model is as follows:

Adjust the temperature electronically device electronic heater fixed structure, including sheath, hollow above and below sheath, and sealed bottom connects cold extrusion End socket, sheath external wall of upper portion are equipped with lid, and the lid covers hollow in inverted T shaped, and recess is equipped with locating slot on lid circular connector, fixed Position slot cross-section is triangular in shape, and lid external wall of upper portion is recessed inwardly.

The method that the lid inner hole uses remove materials obtains the upper limit value of roughness Ra as 0.8 μm, and base portion is adopted It is 0.8 μm with the upper limit value that the method for remove materials obtains roughness Ra, outer diameter sheath uses the side of remove materials The upper limit value that method obtains roughness Ra is 0.4 μm.

Using technical solution of the present invention, structure novel is ingenious in design, easy making process, simplifies electronic heater housing and adds Work technique, saves raw material, and injection method of adopting new technology is filled in electronic heater heat-generating pipe gap, makes electronic heater The solidification of each components is integral, can high temperature resistant, insulation, thermally conductive fast, the response time is short.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of utility model of the present invention；

Fig. 3,4,5 are the structural schematic diagrams before the utility model improves.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawings and examples.

Embodiment

The device electronic heater fixed structure that adjusts the temperature electronically as shown in Figure 1, including sheath 5, hollow, the bottom of about 5 sheath It is tightly connected cold extrusion end socket, with argon arc welding process repair welding, so that stronger and sealing, thoroughly guarantee sealing is existing without gas leakage As 5 external wall of upper portion of sheath is equipped with lid 4, and lid 4 is incorporated 5 specified position of sheath, and the specific location for needing to press can be set by tooling Point, oblique to carry out surrounding extruding to locating slot, locating slot inside length is greater than length of outer side, is fixed on lid 4 on sheath 5, lid 4 Cooperated using pine with mode with sheath 5, after product is fixed by tooling, is squeezed lid 4 to sheath with skew force, product Advantage is parts machining required precision reduction, and processing cost reduces；, sheath head smaller to product product external force when assembling product Portion's (installation site) will not generate any deformation, and qualification rate is promoted, and working efficiency is promoted, so that product cost is reduced, before improvement As shown in figure 3, original structure fit system is press-fitted using interference, since magnitude of interference cooperation requires excessively high, processing precision of products requirement Height, it is high that components produce finished product, disadvantage: 1. even up to zero match zero when magnitude of interference is too small, and product has the risk of cooperation incessantly； 2. guard head deformation dimension overproof, which can not be installed, when product magnitude of interference is too big, after product press-fitting leads to scrap of the product, the two The different direction of extrusion is as shown by arrows, the oblique and horizontal power of the application, is power downwardly and horizontally before improvement, such as Fig. 4 institute Show, sheath and lid integral type, as shown in figure 5, pervious metal shell pipe and upper set integral type, difficulty of processing obviously all compare Greatly, the round steel of materials diameter 12mm long 24mm, the hollow pipe of outer diameter 4mm internal diameter 3mm long 100mm, conventionally employed diameter 12mm long 100mm round steel, 6 times more than this product materials, in addition tradition needs multiple vehicle outer diameter and repeatedly drilling, and concentricity is difficult to control, this Product uses cold extrusion packet header technology, without drilling, is riveted into one with the conjunction of lid 4, not only simple process and quality is guaranteed, does not have There is integrated molding, but be entirely capable of reaching the pressure of design requirement after riveting, processing cost is decreased obviously, and the lid 4 is in T Type, lid 4 is hollow, and recess is equipped with locating slot on 4 circular connector of lid, and positioning slot cross-section is triangular in shape, and 4 external wall of upper portion of lid concaves Fall into, recess can apply external force, and the external force that is not recessed can not apply, lid 4 from 5 bottom of sheath put into, after be directly placed into tooling, cover 4 can arrive the position preset, there is conducting wire 2 above, can compare difficult dress.

The method that 4 inner hole of lid uses remove materials obtains the upper limit value of roughness Ra as 0.8 μm, 4 bottom of lid The method for using remove materials obtains the upper limit value of roughness Ra as 0.8 μm, and 5 outer diameter of sheath is using remove materials The upper limit value that method obtains roughness Ra is 0.4 μm, so that more stable and effective when the riveting of product lid 4.

In use, electronic heater further includes ceramic tube 8, lower part is provided with ceramic tube 8,8 length ratio of ceramic tube in sheath 5 Short in the past, 8 outer wall of ceramic tube winds heating wire 9, is equipped with two adjacent hole a7 and hole b10 in ceramic tube 8 from top to bottom, adjacent Hole setting is used for code wire 2, and the hole bottom a7 can lead to, and wire stylet 1 does not pass to bottom, the perforation of the hole bottom b10, wire stylet 1 stretches out from the hole bottom b10, and it is pad at the a7 top exit of hole, the hole bottom b10 goes out that hole a7 and hole b10, which are equipped with wire stylet 1, It is pad at mouth, pad is that wire stylet 1 and heating wire 9 pass through winding carry out face and face welding, that is, wire stylet 1 and hair Heated filament 9 is welded by being closely wound heating wire 9 to progress face on wire stylet 1 and face, and it is meticulous to change originally soldered material (0.15mm) causes Product jointing success rate too low, and product is unable to reach batch production purpose, the spacing of heating wire 9 and silk Greatly, it is effectively prevented silk and mutually touching for silk causes partial short-circuit, sealant is equipped between 5 upper inside wall of sheath and conducting wire 2 3, sealant 3 is equipped between conducting wire 2 and conducting wire 2, conducting wire 2 is stretched out from sealant 3, and 3 thickness of sealant is more than 3mm, is sealed up Insulant 6 promotes effect, and wire stylet 1 is arranged at 2 center of conducting wire, that is, the outer surface cover of wire stylet 1 is conducting wire 2, and conducting wire 2 is Teflon material, Teflon alias: polytetrafluoroethylene (PTFE) (Poly tetra fluoroethylene, be abbreviated as PTFE), Present integrated wire, present wire stylet 1 and conducting wire wall be it is integrated, product is more firm, and high temperature resistant and insulation effect are more preferable, pottery Porcelain tube 8 and conducting wire 2 are located at center, and insulant 6, the pad and hair are equipped between ceramic tube 8 and conducting wire 2 and sheath 5 It handles on the outside of heated filament by pre insulated, that is, is wrapped up with insulant 6, it is not easily to fall off then outer by pre insulated processing insulant Insulant 6 is arranged in portion, and two layers of insulation, safety is good, and insulant 6 is the high-temperature insulation material in patent No. ZL2013107476175 Expect, flush at the top of 3 top of sealant and sheath 5, sealant 3 is exposing outside less, less by oxidation, but is above and can also make With 1 positive and negative anodes of wire stylet are first separately connected ceramic tube 8, and wire stylet 1 provides control signal and powers on, operating path are as follows: electricity Source electrode line → ceramic tube → insulant → heating wire → insulant → ceramic tube → power cathode line.

It should be understood that the above is only the preferred embodiment of the utility model only, it is not sufficient to limit this reality It for those of ordinary skills, can basis within the spirit and principle of utility model with novel technical solution Above description is increased and decreased, is replaced, converted or is improved, and all these increases and decreases, replacement, transformation or improved technical solution, It all should belong to the protection scope of the appended claims for the utility model.

Claims (2)

1. adjust the temperature electronically device electronic heater fixed structure, it is characterised in that: including sheath (5), the connection of sheath (5) sealed bottom Cold extrusion end socket, sheath (5) external wall of upper portion are equipped with lid (4), and for the lid (4) in inverted T shaped, lid (4) is hollow, and lid (4) annular connects Recess is equipped with locating slot on body, and positioning slot cross-section is triangular in shape, and lid (4) external wall of upper portion is recessed inwardly.

2. the device electronic heater fixed structure according to claim 1 that adjusts the temperature electronically, it is characterised in that: in the lid (4) The method that hole uses remove materials obtains the upper limit value of roughness Ra as 0.8 μm, and lid (4) bottom uses remove materials Method obtain roughness Ra upper limit value be 0.8 μm, sheath (5) outer diameter using remove materials method obtain roughness The upper limit value of Ra is 0.4 μm.