CN213039870U

CN213039870U - Valve core anti-drop mechanism of gas furnace plug valve

Info

Publication number: CN213039870U
Application number: CN202020876328.0U
Authority: CN
Inventors: 黄自强; 黄金正; 叶子鸿
Original assignee: Zhongshan Jinyi Metal Products Co ltd
Current assignee: Zhongshan Jinyi Metal Products Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-04-23
Anticipated expiration: 2030-05-22

Abstract

The utility model discloses a valve core anti-drop mechanism of a gas furnace plug valve, which relates to the technical field of gas furnace accessories; the upper end of the valve body is fixedly connected with the valve seat through a bolt, the valve core is movably inserted and fixed on the inner cavity of the valve body, the outer side wall of the valve core is movably clamped with a pulling block, the positioning plate is fixedly clamped on the outer side wall of the bottom end of the rotating shaft, the rotating shaft is inserted and fixed in the inner cavity of the valve seat through the positioning plate, the upper end of the rotating shaft extends out of the upper end of the valve seat through the inner cavity of the valve seat, the bottom end of the rotating shaft is inserted and fixed in an opening groove at the upper end of the valve core, a first connecting spring is fixedly arranged between the pulling block and the positioning plate, the first connecting spring is clamped and fixed by the clamping groove through rotating the short wing on the pulling block in the clamping groove on the valve body, the phenomenon that the valve core drops when the valve core drops for testing or in transportation is effectively prevented, and the situation that the plug valve is not rotated due to the fact that the shifting block is clamped between the microswitch elastic sheet and the microswitch body due to the fact that the valve core drops is effectively avoided.

Description

Valve core anti-drop mechanism of gas furnace plug valve

Technical Field

The utility model belongs to the technical field of the gas furnace accessory, concretely relates to case anti-drop mechanism of gas furnace plug valve.

Background

The valve core anti-drop mechanism of the plug valve of the gas stove is a core component of the household gas stove, and the existing mechanical gas stove is ignited, firepower is adjusted and flameout through the plug valve.

The plug valve is a valve which uses a plug body with a through hole as a starting and closing piece, the plug body rotates along with a valve rod to realize starting and closing actions, and a channel port on a valve plug is identical to or separated from a channel port on a valve body by rotating 90 degrees to realize starting or closing.

Still, the case anti-drop mechanism of current gas furnace plug valve, its case drop easily when the product is transported the kind or is done the drop test, leads to the shifting block card between micro-gap switch shell fragment and micro-gap switch body, causes the plug valve to rotate motionless.

SUMMERY OF THE UTILITY MODEL

Aiming at solving the problems of the defects and the shortcomings of the prior art; an object of the utility model is to provide a simple structure, reasonable in design, convenient to use's case anti-drop mechanism of gas furnace plug valve, it is through rotatory in the draw-in groove on the valve body with the short wing on the shifting block, it is fixed to the card pressure of shifting block through the draw-in groove, its effectual case that has prevented drops the phenomenon that the case drops when falling the test or transported the kind well valve core, has effectively avoided leading to the shifting block card between micro-gap switch shell fragment and micro-gap switch body because of the case drops, causes the rotatory motionless condition of plug valve.

In order to achieve the above object, the utility model adopts the following technical scheme: the air valve comprises an air inlet joint, a valve body, a microswitch, a valve core, a shifting block, a first connecting spring, a positioning plate, a rotating shaft, a valve seat and an air door baffle; the valve body passes through air inlet joint and air door baffle fixed connection, the side fixed mounting of valve body has micro-gap switch, bolt and disk seat fixed connection are passed through to the upper end of valve body, the inner chamber joint of valve body and disk seat is fixed with case, shifting block, coupling spring one, locating plate and pivot, case activity grafting is fixed on the inner chamber of valve body, the activity grafting has the shifting block on the lateral wall of case, the fixed joint of locating plate is on the lateral wall of pivot bottom, the pivot is passed through the locating plate and is pegged graft and fix the inner chamber at the disk seat, and the upper end of pivot stretches out the upper end at the disk seat through the inner chamber of disk seat, the bottom grafting of pivot is fixed in the open slot of case upper end, fixed mounting has coupling spring one between shifting.

Preferably, the inner cavity of the valve body is fixedly provided with a plurality of bosses, the bosses are fixedly provided with clamping grooves, the side of the valve body is fixedly provided with a switch mounting plate for mounting a microswitch, and an air inlet connected with an air inlet joint is fixedly arranged below the switch mounting plate.

Preferably, the inner cavity of the pulling block is fixedly provided with a waist-shaped hole matched with the outer side wall of the upper end of the valve core, and the outer side wall of the pulling block is fixedly provided with a short wing and a long wing.

Preferably, the clamping groove on the upper side of the rotating shaft is fixedly provided with a split retainer ring, the lower end of the split retainer ring is fixedly provided with a shaft spring gland, the lower end of the shaft spring gland is movably connected with the rotating shaft gasket through a second spring, and the rotating shaft gasket, the second spring, the shaft spring gland and the split retainer ring are fixedly sleeved on the rotating shaft.

Preferably, the inner cavity of the positioning plate is fixedly provided with a long groove matched with the outer side wall of the lower end of the rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in the position of closing, the rotatory micro-gap switch's of long wing on the shifting block side, short wing on the shifting block is rotatory in the draw-in groove on the valve body, and it is fixed to the card pressure of shifting block through the draw-in groove, and its effectual case that has prevented drops when the drop test or has transported the phenomenon that the valve core drops in kind, has effectively avoided leading to the shifting block card between micro-gap switch shell fragment and micro-gap switch body because of the valve core drops, causes the rotatory motionless condition of plug valve.

Drawings

For ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an axial cross-sectional view of the present invention;

fig. 3 is a schematic structural diagram of the valve body 2 in the present invention;

fig. 4 is a schematic structural view of the pulling block 5 of the present invention installed when falling after rotating;

fig. 5 is a schematic structural view of the middle pulling block 5 of the present invention;

fig. 6 is a schematic structural view of the middle positioning plate 7 of the present invention;

fig. 7 is a schematic structural diagram of the middle valve element 4 of the present invention when connected with the rotating shaft 8.

In the figure: the air inlet valve comprises an air inlet connector 1, a valve body 2, a microswitch 3, a valve core 4, a pulling block 5, a first connecting spring 6, a positioning plate 7, a rotating shaft 8, a valve seat 9, an air door baffle 10, a rotating shaft gasket 11, a second spring 12, a shaft spring gland 13, a split retainer ring 14, a boss 21, a clamping groove 22, a switch mounting plate 23, an air inlet 24, a waist-shaped hole 51, a short wing 52 and a long wing 53.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.

As shown in fig. 1-2, the following technical solutions are adopted in the present embodiment: the air valve comprises an air inlet joint 1, a valve body 2, a microswitch 3, a valve core 4, a pulling block 5, a first connecting spring 6, a positioning plate 7, a rotating shaft 8, a valve seat 9 and an air door baffle 10; the valve body 2 is fixedly connected with an air door baffle 10 through an air inlet joint 1, a microswitch 3 is fixedly arranged on the side edge of the valve body 2, the upper end of the valve body 2 is fixedly connected with a valve seat 9 through a bolt, the valve core 4, the pulling block 5, the connecting spring I6, the positioning plate 7 and the rotating shaft 8 are fixedly clamped in the inner cavities of the valve body 2 and the valve seat 9, the valve core 4 is movably inserted and fixed on the inner cavity of the valve body 2, the outer side wall of the valve core 4 is movably clamped with a pulling block 5, the positioning plate 7 is fixedly clamped on the outer side wall of the bottom end of the rotating shaft 8, the rotating shaft 8 is inserted and fixed in the inner cavity of the valve seat 9 through the positioning plate 7, the upper end of the rotating shaft 8 extends out of the upper end of the valve seat 9 through the inner cavity of the valve seat 9, the bottom end of the rotating shaft 8 is fixedly inserted into an open slot in the upper end of the valve core 4, and a first connecting spring 6 is fixedly installed between the pulling block 5 and the positioning plate 7.

Further, the inner chamber of valve body 2 on fixedly be provided with several boss 21, boss 21 be 3, the fixed draw-in groove 22 that is provided with on the boss 21, the fixed switch mounting panel 23 that is used for installing micro-gap switch 3 that is provided with in side of valve body 2, the fixed air inlet 24 who is connected with air inlet joint 1 that is provided with in below of switch mounting panel 23.

Furthermore, a kidney-shaped hole 51 matched with the outer side wall of the upper end of the valve core 4 is fixedly arranged in the inner cavity of the pulling block 5, and a short wing 52 and a long wing 53 are fixedly arranged on the outer side wall of the pulling block 5.

Further, a split retainer ring 14 is fixedly mounted on the clamping groove on the upper side of the rotating shaft 8, a shaft spring gland 13 is fixedly mounted at the lower end of the split retainer ring 14, the lower end of the shaft spring gland 13 is movably connected with a rotating shaft gasket 11 through a second spring 12, and the rotating shaft gasket 11, the second spring 12, the shaft spring gland 13 and the split retainer ring 14 are all fixedly sleeved on the rotating shaft 8.

Furthermore, the inner cavity of the positioning plate 7 is fixedly provided with a strip groove 71 which is matched with the outer side wall of the lower end of the rotating shaft 8.

The working principle of the specific embodiment is as follows: at first according (fig. 1, fig. 2) will the utility model discloses after assembling, work as the utility model discloses when transporting kind or doing drop test, drive shifting block 5 clockwise rotation together through clockwise rotation pivot 8 this moment, make short wing 52 on the shifting block 5 rotate to the draw-in groove 22 in, long wing 53 on the shifting block 5 rotates to micro-gap switch 3 side (as in fig. 4), this moment the utility model discloses be in the closed condition, it is fixed to shifting block 5's card through draw-in groove 22, its effectual case 4 of fixing prevents that case 4 from droing.

In addition, the utility model is fixedly connected with an external air source through the air inlet joint 1, and then the valve core 4 is driven to rotate together through the rotating shaft 8, so that the passage port on the valve core 4 is the same as or separated from the passage port on the valve body, thereby realizing the opening or closing of the utility model,

compared with the prior art, the beneficial effects of the embodiment are as follows: the utility model discloses in the position of closing, the rotatory micro-gap switch's of long wing on the shifting block side, short wing on the shifting block is rotatory in the draw-in groove on the valve body, and it is fixed to the card pressure of shifting block through the draw-in groove, and its effectual case that has prevented drops when the drop test or has transported the phenomenon that the valve core drops in kind, has effectively avoided leading to the shifting block card between micro-gap switch shell fragment and micro-gap switch body because of the valve core drops, causes the rotatory motionless condition of plug valve.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a case anti-drop mechanism of gas furnace plug valve which characterized in that: the air valve comprises an air inlet joint (1), a valve body (2), a microswitch (3), a valve core (4), a pulling block (5), a connecting spring I (6), a positioning plate (7), a rotating shaft (8), a valve seat (9) and an air door baffle (10); the air door structure is characterized in that the valve body (2) is fixedly connected with the air door baffle (10) through the air inlet connector (1), a microswitch (3) is fixedly installed on the side edge of the valve body (2), the upper end of the valve body (2) is fixedly connected with the valve seat (9) through a bolt, the valve body (2) is fixedly connected with the inner cavity of the valve seat (9) in a clamping manner, a valve core (4), a pulling block (5), a connecting spring I (6), a positioning plate (7) and a rotating shaft (8) are fixedly connected with the inner cavity of the valve body (2) in a movable inserting manner, the pulling block (5) is movably connected with the outer side wall of the valve core (4) in a clamping manner, the positioning plate (7) is fixedly connected with the outer side wall of the bottom end of the rotating shaft (8), the rotating shaft (8) is fixedly connected with the inner cavity of the valve seat (9) in an inserting manner through the positioning plate (, the bottom end of the rotating shaft (8) is fixedly inserted into an opening groove in the upper end of the valve core (4), and a first connecting spring (6) is fixedly installed between the pulling block (5) and the positioning plate (7).

2. The valve core anti-drop mechanism of the gas furnace plug valve according to claim 1, characterized in that: the inner chamber of valve body (2) on the fixed several boss (21) that is provided with, boss (21) are gone up the fixed draw-in groove (22) that is provided with, the fixed switch mounting panel (23) that are used for installing micro-gap switch (3) that are provided with of side of valve body (2), the fixed air inlet (24) of being connected with air inlet connector (1) that are provided with in below of switch mounting panel (23).

3. The valve core anti-drop mechanism of the gas furnace plug valve according to claim 1, characterized in that: the inner cavity of the pulling block (5) is fixedly provided with a waist-shaped hole (51) which is matched with the outer side wall of the upper end of the valve core (4), and the outer side wall of the pulling block (5) is fixedly provided with a short wing (52) and a long wing (53).

4. The valve core anti-drop mechanism of the gas furnace plug valve according to claim 1, characterized in that: the draw-in groove of pivot (8) upside on fixed mounting have split ring (14), the lower extreme fixed mounting of split ring (14) has axle spring gland (13), the lower extreme of axle spring gland (13) passes through two (12) of spring and pivot packing ring (11) swing joint, pivot packing ring (11), two (12) of spring, axle spring gland (13) and split ring (14) are all fixed cup joints on pivot (8).

5. The valve core anti-drop mechanism of the gas furnace plug valve according to claim 1, characterized in that: the inner cavity of the positioning plate (7) is fixedly provided with a long groove (71) which is matched with the outer side wall of the lower end of the rotating shaft (8).