CN218761679U - Valve body for kitchen range - Google Patents

Abstract

The utility model provides a valve body for cooking utensils, includes the valve gap, alternates in the valve rod of valve gap, adorns in the second micro-gap switch of valve gap, offers the second through-hole radially relative with the valve rod lateral wall on the valve gap, is equipped with the steel ball in the second through-hole, the second through-hole continues outwards to extend in order to form the portion of holding from outer opening end, second micro-gap switch's trigger end is located the portion of holding. The valve body for the stove can effectively prevent the triggering end of the microswitch from being exposed, the clearance between the microswitch and the through hole is small, and the probability of infiltration of soup and impurities can be reduced.

Description

Valve body for kitchen range

Technical Field

The utility model relates to a cooking utensils valve body technical field, in particular to valve body for cooking utensils.

Background

At present, a valve body commonly used on a stove is generally a plug valve, a microswitch is arranged on the plug valve, and the microswitch can be triggered to be opened through the pressing operation of a valve rod. The patent is granted and announced No. CN 209278591U "the trigger mechanism of the microswitch of cock valve of gas range", it includes valve block, valve bonnet, knob pole and microswitch, the knob pole is inserted in the valve bonnet, offer the through hole opposite to radial of sidewall of knob pole on the valve bonnet, embed and is equipped with the steel ball in the through hole, the trigger spring leaf of the microswitch is installed in the outside of the through hole, the steel ball supports and presses the trigger spring leaf when moving outwards, can open the microswitch; the inner side of the steel ball is contacted with the knob rod, when the knob rod rotates or is pressed down, a contact track is formed on the knob rod, the radius of the contact track is increased from small to large, and the steel ball can be pushed out outwards. The structure has the defects that the trigger ends of the two micro switches are exposed outside, the gap between the trigger ends and the corresponding outer opening end of the through hole is large, soup and impurities easily enter the gap, the touch effect between the micro switches and the steel balls is affected after the soup and the impurities enter the gap for a long time, and the normal starting of the micro switches cannot be effectively guaranteed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a valve body for cooking utensils of new construction.

The utility model provides a valve body for cooking utensils, including the valve gap, alternate in the valve rod of valve gap, adorn in the second micro-gap switch of valve gap, set up the second through-hole radially relative with the valve rod lateral wall on the valve gap, be equipped with the steel ball in the second through-hole, the second through-hole continues outside extension in order to form the portion of holding from outer opening end, the trigger end of second micro-gap switch is located the portion of holding.

Preferably, the valve cover is further provided with a first through hole radially opposite to the side wall of the valve rod, the valve cover is further provided with a first micro switch, and the trigger end of the first micro switch is located in the first through hole.

Preferably, a groove-shaped notch is formed in the outer peripheral wall of the valve rod, a side wall extending along the radial direction of the valve rod is formed in the groove-shaped notch, a lateral pressing wall is formed on the side wall, and when the valve rod rotates, the lateral pressing wall abuts against the steel ball or the triggering end of the first microswitch.

Preferably, the trigger end of the first microswitch forms a tongue-shaped column body protruding outwards to integrally extend into the first through hole.

Preferably, the trigger end of the second microswitch forms a convex arc-shaped column body so as to integrally extend into the accommodating part.

Preferably, a sealing plate matched with the first through hole is arranged at the root of the trigger end of the first microswitch, and the sealing plate is assembled in the outer opening end of the first through hole.

Preferably, a return spring is arranged between the part of the valve rod extending out of the valve cover and the top of the valve cover so as to realize upward return of the valve rod.

Preferably, the valve cover is further provided with an assembling part used for assembling the first microswitch and the second microswitch, the first microswitch and the second microswitch are positioned on the assembling part through a positioning column arranged on the assembling part and a supporting limit seat with a limit stop block on one hand, and the first microswitch and the second microswitch are also arranged on the assembling part through a fastening piece on the other hand.

Preferably, the lower end of the valve cover is further provided with an arc-shaped limit stop which is matched with the valve rod for limiting the rotating angle.

Has the advantages that: the utility model discloses a valve body for cooking utensils, because the second through-hole continues outside extension in order to form the portion of holding from outer open end, and second micro-gap switch's trigger end then is located the portion of holding, from this for second micro-gap switch's trigger end is whole to be hidden in the portion of holding, has avoided exposing of trigger end, makes second micro-gap switch can be near the tip of second through-hole, has effectively reduced the clearance, has reduced hot water, the probability of impurity infiltration, has ensured second micro-gap switch's result of use.

Drawings

Fig. 1 is a schematic view of a partial structure of a valve body for a kitchen range according to an embodiment of the present invention (a valve body is partially removed, and a main purpose is to clearly and intensively display a valve cover portion);

fig. 2 is a schematic partial sectional view of a valve body for a cooking stove according to an embodiment of the present invention (a valve body is partially removed, and a valve cover is mainly shown for clarity);

fig. 3 is a schematic structural view of the valve rod and the microswitch provided by the embodiment of the present invention after being disassembled.

Fig. 4 is a schematic structural diagram of a valve cover according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described below clearly with reference to the accompanying drawings, and it is obvious that the embodiments described are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art based on the teachings of the following embodiments, are within the scope of the present invention.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The utility model discloses valve body for cooking utensils, its main inventive concept lies in, prolongs the length of second through-hole to form the portion of holding in order to effectively hold second micro-gap switch's trigger end. Therefore, the exposure of the trigger end of the second microswitch is avoided, the second microswitch can be close to the second through hole effectively, the gap between the second microswitch and the second through hole is reduced, and the probability of soup and impurity infiltration is avoided.

The utility model discloses a valve body for cooking utensils, it includes a valve gap and an interlude valve rod in the valve gap, is equipped with two micro-gap switches on this valve gap, first micro-gap switch and second micro-gap switch promptly, and be provided with on the valve gap with the radial relative through-hole of valve rod lateral wall, inlay in the one of which through-hole and be equipped with the steel ball, be used for holding in another through-hole and establish first micro-gap switch's trigger end.

And the side wall of the valve rod is provided with a corresponding pressing wall: when the valve rod is pressed downwards, one of the steel ball and the trigger end of the first microswitch is selected for adaptation, and the pressing wall used for pressing and pushing downwards on the valve rod is pressed and pushed against the adapter, if the pressing wall is the steel ball, the steel ball is pushed to move outwards and further press and touch the trigger end of the second microswitch so as to start the microswitch, and if the pressing wall is the trigger end of the first microswitch, the pressing wall directly presses and pushes downwards the trigger end so as to directly start the microswitch; when the valve rod rotates, the remaining one is selected to be matched in the triggering end of the steel ball and the first microswitch, the pressing wall for pressing and pushing the valve rod in the lateral direction (similar to the circumferential tangential direction of the valve rod) presses and contacts and pushes the matched person, if the pressing wall is the steel ball, the steel ball is pressed and pushed in the lateral direction along with the rotation of the valve rod, the steel ball moves outwards to press and touch the triggering end of the second microswitch so as to start the microswitch, and if the triggering end is the triggering end of the first microswitch, the pressing wall directly presses and pushes the triggering end in the lateral direction so as to directly start the microswitch.

Example one

In the following, detailed description is given of specific embodiments, as shown in fig. 1 to 4, in this embodiment, a valve body for a range includes: the valve comprises a valve body 1, a valve core (not marked), a valve rod 3, a first microswitch 4, a second microswitch 5 and a valve cover 6, wherein the valve body 1 is used for installing the valve core, the valve body 1 is provided with a top opening end for installing the valve core, and the valve cover 6 can be used for packaging the top opening end; the valve rod 3 is inserted into the valve cover 6, the upper end of the valve rod 3 penetrates through the valve cover 6 for operation, the lower end of the valve rod 3 downwards penetrates through the valve cover 6 and extends into the valve body 1 to be in transmission connection with the valve core, wherein the transmission connection is mainly that when the valve rod 3 is pressed downwards, the valve rod is pressed downwards to a deflector rod (not marked) arranged on the valve core to open an air passage, and then the valve core is driven to rotate to realize the adjustment of fire power; and the two micro switches are approximately symmetrically arranged on two sides of the valve cover 6.

In this embodiment, the bonnet 6 is provided with a first through hole 7 and a second through hole 8 which are diametrically opposite to the side wall of the valve rod 3. The trigger end of the first microswitch 4 extends into the first through hole 7, a steel ball 9 is arranged in the second through hole 8, the trigger end of the second microswitch 5 is arranged corresponding to the outer opening end of the second through hole 8, and the steel ball 9 abuts against the trigger end of the second microswitch 5 when moving outwards to open the second microswitch 5.

Meanwhile, an annular pressing wall 10 and a lateral pressing wall 11 are arranged on the outer circumferential side wall of the valve rod 3, wherein the annular pressing wall 10 is arranged along the outer circumferential side wall of the valve rod 3 for one circle, and the lateral pressing wall 11 is arranged on the outer circumferential wall of the valve rod 3 along the axial direction of the valve rod 3.

In this embodiment, in order to make the valve rod 3 simple and compact in structure, the outer circumferential side wall of the valve rod 3 is provided with the annular groove 12, the top side wall of the annular groove 12 forms the annular pressing wall 10, both the top side wall and the bottom side wall of the annular groove 12 are inclined walls, the annular groove 12 forms a structure with a large opening and a small bottom, and after the valve body is integrally assembled, the opening of the annular groove 12 is basically communicated with the second through hole 8 correspondingly, the steel ball 9 is partially positioned in the annular groove 12, and the annular pressing wall 10 is positioned above the steel ball 9. Therefore, when the valve rod 3 is pressed downwards, the annular pressing wall 10 presses and contacts and pushes against the steel ball 9 downwards, so that the steel ball 9 moves towards the trigger end of the second microswitch 5 and presses and contacts the trigger end, and finally the second microswitch 5 is started.

The utility model discloses a valve body for cooking utensils, second micro-gap switch 5's trigger end forms the arc columnar body 51 of evagination, second through-hole 8 continues outwards to extend in order to form portion 19 that holds from outer opening end, and second micro-gap switch 5's trigger end, arc columnar body 51 wholly is arranged in portion 19 that holds promptly. The trigger end of this structure only needs to remove micro-gap switch's shell fragment for micro-gap switch, need not to press earlier and touches the shell fragment and lean on the shell fragment to press and touch the trigger end again, and the structure is succinct more, and triggers more sensitively, has avoided in case the shell fragment became invalid and has leaded to the condition emergence of whole trigger failure. More importantly, the trigger end of this structure is including the setting of holding portion 19, and the trigger end can design into wholly stretching into holding portion 19, makes the pressure of steel ball 9 touch more reliable on the one hand, and on the other hand has avoided exposing of trigger end, and the clearance between the outer mouthful of end of reducible micro-gap switch and second through-hole 8 has reduced the infiltration probability of hot water, impurity.

In the present embodiment, in order to make the valve rod 3 simple and compact, a groove-shaped notch 13 is further provided on the outer circumferential side wall of the valve rod 3. The groove-shaped recess 13 is formed with a vertical tangent plane (not marked) arranged substantially tangentially to the valve stem 3, and is also formed with a side wall arranged radially to the valve stem 3, which side wall forms said lateral pressure wall 11, and said groove-shaped recess 13 communicates with the annular groove 12.

In this embodiment, taking the up-down orientation shown in fig. 2 as an example, the annular groove 12 is located above the groove-shaped notch 13, and after the valve body is integrally assembled, the first through hole 7 substantially corresponds to the groove-shaped notch 13, and the trigger end of the first microswitch 4 is integrally located in the first through hole 7, and the front end of the first microswitch is partially located in the groove-shaped notch 13. And said lateral pressure wall 11 corresponds to the side of the triggering end of the first microswitch 4. Therefore, when the valve rod 3 is pressed down, the annular groove 12 is located above the groove-shaped notch 13 and is communicated with the groove-shaped notch 13, so that when the valve rod 3 is pressed down, the valve rod 3 cannot interfere with the trigger end of the first micro switch 4, the pressing distance of the valve rod 3 is designed in advance and cannot exceed the span of the groove-shaped notch 13 in the axial direction of the valve rod 3, therefore, after the valve rod 3 is pressed down to the right position, most of the trigger end of the first micro switch 4 is still located in the groove-shaped notch 13, the valve rod 3 is rotated at the moment, the lateral pressing wall 11 is pressed and pushes against the side part of the trigger end of the first micro switch 4, the micro switch is started, and along with continuous rotation, the outer circumferential wall of the valve rod 3 near the lateral pressing wall 11 is slowly pressed and pushed against the trigger end of the first micro switch 4, and the start of the micro switch is kept all the time. When the rotation is reversed until the trigger end enters the groove-shaped notch 13, the micro switch is closed.

In this embodiment, in order to make the trigger end of the first micro switch 4 integrally enter the first through hole 7, the trigger end of the first micro switch 4 forms a protruding tongue-shaped cylindrical body 41, and a sealing plate 14 matched with the size and shape of the inner hole of the first through hole 7 is arranged at the root of the tongue-shaped cylindrical body 41, and the sealing plate 14 is assembled in the outer opening end of the first through hole 7, thereby forming an integral seal, so that the tongue-shaped cylindrical body 41 is prevented from being exposed, the infiltration of soup and impurities is reduced, the tongue-shaped cylindrical body 41 is also ensured to be reliably pressed and contacted, and the stability of the micro switch in opening is ensured.

In the present embodiment, in order to enable the valve rod 3 to be reliably, quickly and reliably reset, a reset spring 15 is arranged between the part of the valve rod 3 extending out of the valve cover 6 and the top of the valve cover 6 to realize the upward reset of the valve rod 3. It can be seen that the return spring 15 is located entirely on top of the bonnet 6, on the one hand the return spring 15 is easy to assemble, and in addition the arrangement of this return spring 15, which is dedicated to the return of the valve stem 3, is much more reliable than the prior art, which is assisted by a spring (not shown) provided purely inside the valve body.

For the assembly of the micro switch, the valve cover 6 is further provided with an assembly part used for assembling the first micro switch 4 and the second micro switch 5, on one hand, the first micro switch 4 and the second micro switch 5 are positioned at the assembly part through a positioning column 16 arranged at the assembly part and a supporting and limiting seat 2 with a limiting stop 17, on the other hand, the first micro switch 4 and the second micro switch 5 are also arranged at the assembly part through fasteners. Therefore, when the micro switch is placed, the positioning column and the limiting stop block are used for positioning and limiting, the micro switch can be conveniently placed on the supporting limiting seat according to design requirements, and after the micro switch is placed, the micro switch can be fixed and reliably installed through the fastening piece.

In this embodiment, the first microswitch 4 and the second microswitch 5 can be used for various required starts, such as the first microswitch 4 is used for starting and connecting the range hood, the second microswitch 5 is used for igniting and starting the range, so that the range hood can be started immediately after ignition, and the linkage of the range hood and the range hood is realized.

In this embodiment, the lower end of the valve cap 6 is further provided with an arc-shaped limit stop 18, and the arc-shaped limit stop 18 is matched with the rotation angle limit of the valve rod 3, so that the rotation amplitude of the valve rod 3 can be controlled. The valve cover 6 is directly used for limiting, so that the structure is simple and compact.

Example two

Different from the first embodiment, the steel ball is accommodated in the first through hole 7, the trigger end of the first microswitch 4 is accommodated in the second through hole 8, and the lengths of the first through hole 7 and the second through hole 8 along the radial direction of the valve rod 3 are adaptively adjusted for adapting to the steel ball and the trigger end of the first microswitch 4. This type of valve body also satisfies the requirement of controlling the actuation of the first microswitch 4 and the second microswitch 5 respectively, when the valve stem 3 is depressed and rotated.

EXAMPLE III

In contrast to the first embodiment, the second through-hole 8 is arranged on the valve cover 6 slightly below the first through-hole 7, with the annular recess 12 at the bottom and the notch 13 at the top. After the valve body is assembled, the first through hole 7 is basically located at a position between the annular groove 12 and the groove-shaped notch 13, so that when the valve rod 3 is pressed down, the valve rod 3 does not interfere with the trigger end of the first microswitch 4 located in the first through hole 7, the second microswitch 5 is started first, and the first microswitch 4 is started when rotating.

The utility model discloses a valve body, overall structure is compact, succinct, through the setting of valve gap, can surely join in marriage two micro-gap switches of dress, and through the reasonable set of pressing the wall on two through-holes and the valve rod, can control micro-gap switch's start respectively. Like this when the micro-gap switch that pushes down earlier the start-up behind the valve rod connects ignition, then can start the cooking utensils earlier, and just the micro-gap switch that starts when rotatory then can connect if smoke ventilator after pushing down, then can realize starting smoke ventilator immediately after the ignition, realizes the linkage of cooking utensils and smoke ventilator.

The utility model discloses a valve body for cooking utensils, first micro-gap switch 4 and second micro-gap switch 5's trigger end all is arranged in corresponding through-hole, and the trigger end all does not expose, and micro-gap is very few between the through-hole, and both are near basically, can effectively reduce the infiltration of hot water, impurity.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (9)

1. The utility model provides a valve body for cooking utensils, includes the valve gap, alternates in the valve rod of valve gap, adorns in the second micro-gap switch of valve gap, offers on the valve gap with the radial relative second through-hole of valve rod lateral wall, is equipped with steel ball, its characterized in that in the second through-hole: the second through hole extends outwards from the outer opening end to form a containing part, and the trigger end of the second microswitch is positioned in the containing part.

2. The valve body of claim 1, wherein the valve cover further defines a first through hole radially opposite to the sidewall of the valve stem, the valve cover further defines a first micro-switch, and an activation end of the first micro-switch is disposed in the first through hole.

3. The cooking valve body according to claim 1 or 2, wherein the valve rod is provided with a groove-shaped notch on the outer peripheral wall, the groove-shaped notch is formed with a side wall extending along the radial direction of the valve rod, the side wall forms a lateral pressing wall, and the lateral pressing wall is pressed against the steel ball or the trigger end of the first microswitch when the valve rod rotates.

4. The cooking valve body of claim 2, wherein the trigger end of the first microswitch forms a tongue-shaped column protruding outwards to integrally extend into the first through hole.

5. The cooking valve body of claim 1, wherein the trigger end of the second microswitch forms a convex arc-shaped cylindrical body to integrally extend into the accommodating portion.

6. The cooking stove valve body according to claim 2 or 4, wherein the root of the trigger end of the first microswitch is provided with a sealing plate matched with the first through hole, and the sealing plate is assembled in the outer opening end of the first through hole.

7. Valve body for a hob according to claim 1, characterised in that a return spring is provided between the part of the valve stem protruding out of the valve cap and the top of the valve cap to effect an upward return of the valve stem.

8. The valve body of claim 2, wherein the valve cover is further provided with an assembling portion for assembling the first and second micro switches, the first and second micro switches are positioned at the assembling portion through a positioning column provided at the assembling portion and a supporting and limiting seat with a limiting stop block, and the first and second micro switches are further mounted at the assembling portion through a fastening member.

9. The cooking valve body as claimed in claim 1, wherein the lower end of the valve cover is further provided with an arc-shaped limit stop, and the arc-shaped limit stop is matched with an angle limit of the valve rod for rotation.

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