CN2341134Y

CN2341134Y - Temperature calibrator of electric water heater

Info

Publication number: CN2341134Y
Application number: CN 98201381
Authority: CN
Inventors: 李文谦
Original assignee: ZHENJI ELECTRICAL CHEMICAL FACTORY CO Ltd
Current assignee: ZHENJI ELECTRICAL CHEMICAL FACTORY CO Ltd
Priority date: 1998-02-20
Filing date: 1998-02-20
Publication date: 1999-09-29
Anticipated expiration: 2008-02-20

Abstract

The utility model relates to a temperature meter calibrator of an electric water heater. A shaft rod connected with a pointer of a temperature meter is connected with a torsion spring sheet extending in a temperature measuring bar; the inner end of the torsion spring sheet is fixedly combined with the end part of the temperature measuring bar; one end of the temperature measuring bar is fixedly provided with a sleeve pipe with a blade; one end of an adjusting bolt rod is fixedly screwed with a driving element; the driving element is meshed with the blade on the sleeve pipe; the rotation of the adjusting bolt rod can pass through the driving element to drive the blade to deliver to the temperature measuring bar. The relative torsion state of the inner spring sheet can be changed because the rotation of the adjusting bolt rod can pass through the driving element, the tooth-shaped member to make the temperature measuring bar carry out the deflection position, so that the pointer linking with the spring sheet can be calibrated to the correct rotary angle.

Description

EWH's thermometer calibrating installation

The utility model relates to a kind of thermometer calibrating installation of physical apparatus fields of measurement, particularly relates to a kind of EWH's thermometer calibrating installation.

At present, the general employed water heater of people is nothing more than two kinds of EWH and gas water heaters are arranged, it is because of the structural design difference, how the EWH directly is arranged at place, lavatory within doors, and gas water heater has potential danger because of the coal gas of its use, so need be arranged at the preferable place of room separate ventilation; Have danger in the use based in the past habitual gas water heater, so the EWH more and more is subjected to consumers in general's favor in recent years, its use is quite universal, and EWH and gas water heater are except the energy that uses is different, its structure is also inequality, the EWH generally is provided with water temperature temperature displayed table, can learn for the user whether hot water that heating tank is deposited is fit to use required; And this type of EWH's thermometer structure, its structural design is that the pointer that adopts a tempilstick that communicates heating tank to control thermometer turns to relative temperature scale, as shown in Figure 4, its structure is to utilize the built-in end one by one of tempilstick A fixing, what the other end joined axostylus axostyle C and concatenation pointer D curls up torsion springs B, be heated with tempilstick A and conduct to inner reed B, this reed is a heat expansion under heating status, because of its for curling up form, under the elongated situation of heat expansion length, the end of its axostylus axostyle C that joins promptly is rotation and extends, make axostylus axostyle C rotate drive pointer D and swing, form a pointer D can reach the swing indicated temperature with the coolant-temperature gage height effect.

Yet, because of this reed B is tired gradually under the effect of expanding with heat and contract with cold for a long time, can not keep contemplated originally state, cause the indication that swings of pointer D to lose accuracy, the real water temperature of institute's water influences user's judgement and use in can't bulletin water heater heating tank.

This shows that the thermometer of above-mentioned existing water heater still has many defectives, and the assistant officer waits to be improved.Because the drawback that the thermometer of above-mentioned existing water heater exists, the design people is based on abundant practical experience and professional knowledge, through constantly studying, design, and after studying sample repeatedly and improving, creates the utility model finally.

Fundamental purpose of the present utility model is, overcomes the defective of the thermometer existence of above-mentioned existing water heater, and a kind of EWH's of new structure thermometer calibrating installation is provided, and makes because of adjusting correction through the long-time thermometer that loses precision that uses.

The purpose of this utility model is realized by following technical scheme.Temperature correction device according to a kind of EWH who the utility model proposes, its thermometer pointer phase coupling rod connects a torsion springs and stretches and place in the tempilstick, the end concrete mutually of the inner of torsion springs and tempilstick, it is characterized in that: this tempilstick one end is installed with the sleeve pipe of a band gear piece, adjust the solid actuated element of tightening latch one end spiral shell, gear piece on this actuated element engagement sleeve pipe, the rotation of adjusting tightening latch drives gear piece through actuated element and is passed to tempilstick.

The purpose of this utility model can also further realize by following technical measures.Aforesaid EWH's thermometer calibrating installation, its end of wherein said tempilstick links reed for being plugged with a fixed block, forms the embedding ditch of the flat piece end that is provided with embedding knot reed on this fixed block.

The utility model compared with prior art has tangible advantage and good effect.By above technical scheme as can be known, the utility model utilizes the torque characteristic of above-mentioned reed and with the angle of ad hoc its relative tempilstick of structural change, carries out the correct rotational angle of adjustment pointer; Its structural design is that an adjustment tightening latch connects the tooth shaped component that the actuated element bridle joint sets firmly on tempilstick, and make tempilstick deflection location through actuated element, tooth shaped component by the rotation of adjusting tightening latch, change the relative twisting states of its inner reed, the pointer adjustment that reed is linked to each other is correct.Adopt the EWH's that as above structure manufactures thermometer calibrating installation, can make thermometer after long-term the use,, still can make thermometer accurately be shown water temperature, make things convenient for the user by the adjustment pointer.

In sum, the utility model is stretched the thermometer pointer and is placed in the one temperature measuring stick with the continuous torsion springs of axostylus axostyle, the inner concrete mutually of torsion springs and tempilstick, utilize one to adjust the tooth shaped component that tightening latch connection actuated element bridle joint sets firmly on tempilstick, make tempilstick deflection location by the rotation of adjusting tightening latch through actuated element, tooth shaped component, change the relative twisting states of its inner reed (acting force), and then but the pointer adjustment that makes reed phase interlock can make because of adjusting correction through the long-time thermometer that loses precision that uses to correct rotational angle.No matter it structurally or bigger improvement is all arranged on the function, and produced handy and practical effect, and have the effect of enhancement really, thereby be suitable for practicality more, really is a new and innovative, progressive, practical new design.

Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Fig. 1 is an exploded perspective synoptic diagram of the present utility model.

Fig. 2 is the unitized construction synoptic diagram one of the utility model embodiment.

Fig. 3 is the unitized construction synoptic diagram two of the utility model embodiment.

Fig. 4 is the structural representation of existing thermometer.

Below in conjunction with accompanying drawing and preferred embodiment, to its concrete structure of thermometer calibrating installation, feature and effect thereof according to the EWH that the utility model proposes, describe in detail as after.

See also shown in Figure 1, the utility model EWH's thermometer calibrating installation, its thermometer structure is to be equipped with on a switching surface panel seat 1 on the implementation, its relevant structure is designed to:

This switching surface panel seat 1, its outside are formed with a pointer tank 11, and inner relative backboard elongation moulding by pointer tank 11 has one to hold pipe 12, and a side of its body is cutd open and is provided with fluting 121, is provided with raised line 122 in the outside of opposite side;

Again, the assembly of cooperation includes one temperature measuring stick 2, a locating ring 3, a beam ring 4 and an adjustment tightening latch 5, wherein:

This tempilstick 2, it is a hollow tube, the one end plug is provided with a fixed block 21, and in rod with fixed block 21 on default embedding ditch 211 embeddings tie one and curl up a flat piece end of torsion springs 22, and the end in addition that curls up torsion springs 22 is connected with an axostylus axostyle 23, axostylus axostyle 23 is held the pointer 6 that joins again in addition, the external sleeve pipe 24 of tempilstick 2 one ends, a suitable gear piece 241 and the register pin 242 established of the anchor ring of sleeve pipe 24;

In addition, this locating ring 3, it forms in ring body one side and is provided with breach 31, and inner face is provided with chase 32;

This beam ring 4 can be an elastic ring body;

This adjusts tightening latch 5, and employing links the actuated element 51 of a belt wheel tooth with a bolt and constitutes.

See also Fig. 2, shown in Figure 3, combined back when implementing by above-mentioned member, tempilstick 2 is set firmly sleeve pipe 24, sleeve pipe 24 holds pipe 12 with the register pin 242 of these breach 31 covers on sleeve pipe 24 relatively with its gear piece 241, and make locating ring 3 and hold pipe 12 usefulness its chase 32 and raised line 122 tablings, limiting locating ring 3 can't rotate, and a sheathed beam ring 4 relative sleeve pipes 24 produce one and tighten power on the top that holds pipe 12 again; Adjust tightening latch 5 is through at switching surface panel seat 1 again at the gear piece 241 1 side pivots of relative tempilstick 2 sleeve pipes 24 suitable place, its actuated element 51 is connected with in gear piece 241.

When assembling finishes, tempilstick 2 makes pointer 6 be curled up torsion springs 22 heat expansions control swing with the inner relative position that curls up torsion springs 22 according to design in advance; Yet, when curling up the tired situation of torsion springs 22 generations, this pointer 6 can't make zero, and the water temperature of swing indication also disagrees with actual, at this moment, can utilize and adjust tightening latch 5 and rotated with the bottle opener instrument by the outside, nibble gear piece 241 by inner actuated element 51 and thermometric bar 2 is revolved move thereupon, feasible the reversing of this action curled up torsion springs 22, pointer 6 also becomes to making zero, reply the state of original design, thermometer is calibrated, and correct water temperature indication can be provided.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims

1. an EWH thermometer calibrating installation, its thermometer pointer phase coupling rod connect a torsion springs to be stretched and places in the tempilstick, and the end concrete mutually of the inner of torsion springs and tempilstick is characterized in that:

This tempilstick one end is installed with the sleeve pipe of a band gear piece, adjusts the solid actuated element of tightening latch one end spiral shell, the gear piece on this actuated element engagement sleeve pipe, and the rotation of adjusting tightening latch drives gear piece through actuated element and is passed to tempilstick.

2. EWH's according to claim 1 thermometer calibrating installation is characterized in that its end of described tempilstick links reed for being plugged with a fixed block, forms the embedding ditch of the flat piece end that is provided with embedding knot reed on this fixed block.