TWM644020U - Knob Assembly Structure of Automatic Gas Shutter - Google Patents

Abstract

This creation relates to a knob assembly structure of a gas automatic shut-off device, which means that an adjustment column is provided between the knob of the shut-off device and the driving gear, and the adjustment column includes an adapter body and a rotating body, and the adapter system is connected and positioned on The driving gear and the ignition shaft of the gas stove, the knob system is screwed on the adapter body with a screw structure, and the knob is connected and positioned between the rotating body and the adapter body. Accordingly, the automatic gas shut-off device is installed on the After the ignition shaft of the gas stove is connected to the adapter body, or the ignition shaft is connected to the adapter body through the first adapter column, the knob can be adjusted at the optimum height quickly by simply turning the rotation body. The installation and positioning of the gas automatic shut-off device is simple, convenient and fast, and has the effect of expanding the scope of use and smooth operation.

Description

Knob Assembly Structure of Automatic Gas Shutter

This creation is related to a knob assembly structure of a gas automatic shut-off device, especially a kind of simple setting, easy assembly and operation, convenient and fast, which can make the installation of the gas automatic shut-off device easier, more convenient and faster, and has the ability to expand the scope of use And operation smoothness effect, and the knob assembly structure of the gas automatic shut-off device that is very practical, ideal and progressive.

According to, in order to make the use of gas stoves safer, the applicant once provided multiple safety guards for stoves that can automatically shut off the gas, such as application number 107216888, 109204768, 110204668, etc. The automatic shut-off device is installed on the ignition shaft of the gas stove and replaces the original gas stove knob, so that the cooking fire can be turned off automatically when the cooking time set by the gas automatic shut-off device has not been closed yet. The shut-off device will automatically start to rotate the knob in the reverse direction, and the ignition shaft of the gas stove will also be driven to turn in the reverse direction to turn off the fire. According to this, the cooking operation of the gas stove can be effectively prevented. Fire accidents caused by turning off the fire, thereby improving the safety effect of use. In fact, after these products were launched on the market, because they are widely welcomed and used by consumers, and they are repeatedly used by the government and foreign units to give various awards and encouragements, the creators dare not or forget to make further improvements to the products. To exert greater benefits and provide users with simpler, more convenient and faster use effects.

In other words, the creator uncovered the gas automatic shut-off device of the stove safety protection device before creation There are many types, among them, as shown in Fig. 1 and Fig. 2, the automatic gas shut-off device 1 is mainly provided with a body 10 and a knob 11, the body 10 is installed on the corresponding position of the ignition shaft 21 of the gas furnace 2, and the knob 11 is The installation position is located on the outside of the body 10, and can replace the original stove knob function of the gas stove 2. In addition, as shown in Fig. 3, Fig. 4 and Fig. 5, the body 10 includes a base 101 and a machine cover 102, and a clutch motor 12, a driving gear 13, a first adapter column 14, and at least one second adapter column 15; wherein, the clutch motor 12 is installed on the base 12, and one end is provided with a transmission gear 121 and a clutch 122; 121 are meshed with each other, and a first axial through hole 131 is provided; the first adapter column 14 is passed through the first axial through hole 131 of the driving gear 13, and is connected and positioned on the ignition shaft 21 of the gas stove 2 ; The at least one second adapter column 15 is respectively set as the same monomer, and one end is provided with a first connecting seat 151, and the opposite end of the first connecting seat 151 is provided with a second connecting seat 152, and the first connecting seat 151 is provided with a first axial connection hole 153, the first axial connection hole 153 is used for the non-rotating insertion connection positioning of the first transfer column 14, or the first axial connection hole 153 is used for the adjacent second The second connecting seat 152 of the adapter column 15 is non-rotatably plugged in and connected to form a serial structure, and the first connecting seat 151 is non-rotatingly connected to the first axial through hole 131 of the driving gear 13 . In addition, the second connection seat 152 or the second connection seat 152 located at the outermost end after being connected in series, is pierced through the guide hole 1021 of the cover 102 for the connection and positioning of the knob 11; accordingly, when the After the gas automatic shut-off device 1 is installed and connected to the ignition shaft 21 of the gas stove 2, the knob 11 will be rotatable to ignite the stove or adjust the firepower; When the cooking time exceeds the time set by the gas automatic shut-off device 1 and the fire is not turned off (such as boiling soup or boiling water), the gas automatic shut-off device 1 will start automatically, and cause the clutch motor 12 to drive the drive gear 13 to reverse. To rotate, so that the first adapter column 14, the second adapter column 15, the knob 11 and the ignition shaft 21 rotate together in the opposite direction Do the action of turning off the fire to prevent the danger of forgetting to turn off the fire and improve the safety of the stove.

As mentioned above, when turning the knob 11 to implement the ignition or adjust the firepower action, the clutch 122 of the clutch motor 12 acts, and the rotating drive gear 13 will not transmit the rotational force to the rotating shaft of the clutch motor 12, so that the The clutch motor 12 does not have interference damage phenomenon.

The gas automatic shut-off device 1 composed of the above can indeed achieve the effect and function of automatically shutting off the fire in practice. However, due to the various brands and types of gas stoves on the market, the ignition shaft 21 has many different types. In order to provide the proper installation of the knob 11, in order to enable the automatic gas shut-off device 1 to operate on the ignition shaft 21 of various lengths, the automatic gas shut-off device 1 must be spared with at least one The second adapter column 15, for this purpose, for different gas stoves 2, between the knob 11 and the first adapter column 14 and the drive gear 13, a second adapter column must be connected 15 (as shown in Figure 4) or the situation of connecting a plurality of the second adapter columns 15 (as shown in Figure 5) connected in series, there will be a little trouble and inconvenience in operation; especially, when encountering the special length of the Ignition rotating shaft 21, so that one more connection of the second adapter column 15 will result in too long length, and cause the knob 11 to protrude too much from the body 10, resulting in unsmooth operation, or less connection of one second adapter column 15 Insufficient length will occur, and when the knob 11 is too close to the body 10 and the ignition cannot be operated, it will occasionally cause trouble and inconvenience that the second adapter column 15 must be made separately, or cause the automatic gas shut-off device 1 There is a situation where the installation cannot be used.

The main purpose of this creation is to provide the knob assembly structure of the gas automatic shut-off device, which can improve the above-mentioned deficiencies, and make the installation of the gas automatic shut-off device for the stove easier, It is convenient, fast, and has the effect of expanding the scope of use and smooth operation.

In order to achieve the above-mentioned purpose, an adjustment column is provided between the knob, the first transfer column and the driving gear, the adjustment column includes a transfer body and a rotating body, and the transfer system is connected and positioned between the drive gear and the gas The ignition shaft of the furnace, the knob system is screwed on the adapter body with a screw structure, and the knob is connected and positioned between the rotating body and the adapter body. The rotation shaft is connected to the adapter body, or the ignition shaft is connected to the adapter body through the first adapter column, and the knob can be quickly positioned at the optimum height by simply turning the rotation body to adjust the height and height. The gas automatic shut-off device is easy, convenient and fast to install, and has the effect of expanding the scope of use and smooth operation.

In order to enable your review committee to have a further understanding and recognition of the purpose, characteristics and functions of this creation, it will be described in detail below with drawings and embodiments:

C: screw structure

1: Automatic gas shut-off device

2: Gas stove

21: Ignition shaft

10: Ontology

101: base

102: machine cover

1021: guide hole

11: Knob

111: The sixth connecting seat

12: Clutch motor

121: transmission gear

122: Clutch

13: Drive gear

131: First axial perforation

14: The first adapter post

15: Second adapter post

151: The first connecting seat

152: The second connecting seat

153: The first axial connecting hole

20: Adjustment column

201: Adapter

2011: The third connection seat

2012: Second axial connection hole

2013: The fourth connection seat

2014: Axial screw holes

202: rotating body

2021: Fifth Connector

2022: Screw posts

[Fig. 1] is a three-dimensional schematic diagram of a conventional gas automatic shut-off device.

[Fig. 2] is a schematic diagram of a conventional gas automatic shut-off device installed on a gas furnace.

[Fig. 3] is an exploded structure diagram of Fig. 1.

[Fig. 4] is a schematic diagram (1) of the operation of a conventional gas automatic shut-off device installed in a gas furnace.

[Fig. 5] is a schematic diagram (1) of the operation of a conventional gas automatic shut-off device installed in a gas furnace.

〔Fig. 6〕 is the three-dimensional schematic diagram of this creation adjustment column embodiment.

[Fig. 7] is a schematic sectional view of Fig. 6.

〔Fig. 8〕 is the cross-sectional schematic view (1) of the operation embodiment of the adjustment column of this creation in combination with the knob and the first connecting column.

〔Fig. 9〕 is the cross-sectional schematic view (two) of the operation embodiment of the adjusting post combined with the knob and the first connecting post.

〔Fig. 10〕 is the exploded structural diagram of this creation embodiment.

[Fig. 11] is the three-dimensional schematic diagram of another angle embodiment of the creative knob.

[Fig. 12] is the sectional schematic view that this creation is installed in the embodiment of gas stove.

Please refer to Fig. 6, Fig. 7, Fig. 8, Fig. 9, Fig. 10, Fig. 11, and Fig. 12. This invention creates a knob assembly structure of a gas automatic shut-off device, which refers to the knob 11 and the bearing placed outside the body. Between the drive gear 13 of the main body 10 is provided an adjustment column 20, the adjustment column 20 includes an adapter body 201 and a rotating body 202; wherein, the adapter body 201 is provided with a third connecting seat 2011, and the third connecting seat 2011 is connected to the first axial through hole 131 positioned on the drive gear 13, the third connecting seat 2011 is provided with a second axial connection hole 2012, and the second axial connection hole 2012 can be connected to the ignition shaft of the gas stove 2 21, or the second axial connection hole 2012 can be connected to a first adapter column 14, and through the first adapter column 14 to connect the ignition shaft 21 of the gas stove 2 (in this case, through the first adapter column The column 14 is connected to the ignition shaft 21 as an example), the opposite end of the third connecting seat 2011 is provided with a fourth connecting seat 2013, and the fourth connecting seat 2013 is provided with an axial screw hole 2014 of a screw structure C; the rotating body 202 is provided with a fifth connection seat 2021, and the opposite end of the fifth connection seat 2021 is provided with a screw column 2022 of screw structure C, and the screw column 2022 is screwed in the axial screw hole 2014 of the adapter body 201, and The fifth connecting seat 2021 and the fourth connecting seat 2013 of the adapter body 201 are jointly used for the assembly and positioning of the knob 11; as mentioned above, the fourth connecting seat 2013 of the adapter body 201 and the rotating body 202 The fifth connection seat 2021 can be configured as a polygonal structure (this case uses an equilateral octagon as an example).

As mentioned above, the knob 11 is located on the outside of the cover 102 of the body 10, and the knob 11 is provided with a sixth connection seat 111 (see Figure 11 for details) to connect the fifth connection seat 2021 and the fifth connection seat 2021 of the rotating body 202. The fourth connection seat 2013 and the sixth connection seat 111 of the adapter body 201 are configured as a polygonal structure that can be sleeved and combined with the fourth connection seat 2013 and the fifth connection seat 2021 (in this case, an equilateral octagon is an example).

That is, using the present invention constituted above, the main body 10 of the automatic gas shut-off device 1 containing the main components such as the clutch motor 12 and the driving gear 13 is installed to the gas furnace 2, and the gas furnace 2 After the ignition shaft 21 corresponds to the first axial through hole 131 of the drive gear 13 (as shown in Figure 12), the user only needs to move the adapter 201 of the adjustment column 20 from the guide hole 1021 of the machine cover 102 to the outside. The first axial through hole 131 of the drive gear 13 is inserted and not rotated, and the second axial connection hole 2012 of the adapter body 201 is plugged and connected to the ignition of the gas furnace 2. After the rotating shaft 21, or the second axial connection hole 2012 of the adapter body 201 is connected to the first adapter column 14, the first adapter column 14 is inserted and connected to the ignition of the gas furnace 2 Rotating shaft 21, and then, rotate the rotating body 202 of the adjustment column 20, so that the rotating body 202 performs lifting and adjusting actions on the adapter body 201 through the screw structure C, and then, the rotating body 202 is adjusted to After the required predetermined height, then the sixth connection seat 111 of the knob 11 is sleeved and connected to the fifth connection seat 2021 and the fourth connection seat 2013 of the adjustment column 20, then the knob 11 is just It can be easily, conveniently, quickly and reliably installed and combined with the body 10 to achieve the purpose of use.

As mentioned above, since the adjusting column 20 is non-rotatingly connected between the knob 11 and the ignition shaft 21 of the gas stove 2, when the knob 11 is turned, the stove can be ignited and the firepower can be adjusted smoothly; Moreover, since the third connecting seat 2011 of the adapter body 201 of the adjustment column 20 is non-rotatingly connected and combined with the first axial through hole 131 of the drive gear 13, the clutch motor 12 rotates and engages with each other. When the driving gear 13 rotates in the reverse direction, the adjustment post 20, the knob 11 and the ignition shaft 21 will also rotate smoothly in the reverse direction, so as to achieve the smooth implementation of closing the fire.

As mentioned above, since the sixth connecting seat 111 of the knob 11 is not rotating, it is connected to the fourth connecting seat 2013 and the fifth connecting seat 2021 of the adjustment column 20, so that the rotating body adjusted to a predetermined height 202 can be positioned stably without rotation or free displacement caused by rotation, and the installation height of the knob 11 will be stable, so that the knob 11 can achieve the effect of smooth operation.

As mentioned above, since the rotating body 202 of the adjusting column 20 can be adjusted up and down through the screw structure C in a simple rotation, and the knob 11 can be quickly positioned at an optimal height, the automatic gas shut-off device 1 is installed in the implementation of the gas stove 2, and it can indeed achieve simple, convenient and fast effects.

As mentioned above, the axial screw hole 2014 of the screw structure C of the adapter body 201 can also be set as a screw post, and the screw post 2022 of the screw structure C of the rotating body 202 can be set as a Matching screw holes are provided for the corresponding screws, and accordingly, when the rotating body 202 is rotated, the effect of lifting adjustment can also be achieved.

As mentioned above, since the rotation of the rotating body 202 is based on the pitch of the screw structure C as the adjustment amount, the rotating body 202 can not only make a larger distance on the adapter body 201 according to the length of the screw column 2022 The lifting adjustment can be done in a small distance according to the pitch, so that the amplitude and range of the lifting adjustment have great flexibility. Accordingly, the installation height of the knob 11 combined on the adjustment column 20 can be multivariate. This makes the installation of the knob 11 more simple and convenient, and at the same time, also enables the installation and operation of the automatic gas shut-off device 1 to have the effect of expanding the scope of use.

As mentioned above, since the adapter body 201 of the adjustment column 20 can be directly connected to the ignition shaft 21 of the gas stove 2, or the adapter body 201 can be connected to the gas stove 2 through the first adapter column 14 This ignition rotating shaft 21, then all applicable situation for this ignition rotating shaft 21 of different length, Obviously, the use of the adjustment column 20 in this invention will have multiple effects.

In other words, using this creation will have at least the following advantages:

1. Simple setting and economical implementation.

2. The operation and use are simple, convenient, fast and safe, and it is convenient to implement.

3. It can make the installation of the automatic gas shut-off more simple, convenient and fast, and has the effect of expanding the scope of use and smooth operation.

To sum up, this invention creates a knob assembly structure of automatic gas shut-off device, which obviously has better performance than conventional ones. Although the device and structure are not complicated and cumbersome, the overall operation concept is rich in implementation. It is specific, and it is an application that has not been seen in the same type of product so far, so it has met the requirements of "novelty and progress" for a new patent application. I would like to ask the review committee to review and grant the patent. I am grateful.

However, the above description is only a preferred embodiment of this creation, and generally all functional changes and modifications made in accordance with the spirit of this creation should still be included in the scope of the patent application for this creation.

C: screw structure

1: Automatic gas shut-off device

21: Ignition shaft

10: Ontology

101: base

102: machine cover

1021: guide hole

11: Knob

111: The sixth connecting seat

12: Clutch motor

13: Drive gear

131: First axial perforation

14: The first adapter column

20: Adjustment column

201: Adapter

2011: The third connection seat

2012: Second axial connection hole

2013: The fourth connection seat

2014: Axial screw holes

202: rotating body

2021: Fifth Connector

2022: Screw posts

Claims (7)

A knob assembly structure of an automatic gas shut-off device, characterized in that an adjustment column is provided between the knob of the automatic gas shut-off device and the drive gear placed on the body, the adjustment column includes an adapter and a rotating body, the rotating body The connecting body is connected and positioned on the driving gear and the ignition shaft of the gas stove, the rotating body is screwed on the connecting body through a screw structure, and the knob is connected to the rotating body and the connecting body positioned on the adjusting column. The knob assembly structure of the automatic gas shut-off device as described in Claim 1, wherein the driving gear is provided with a first axial through hole, and the adapter body of the adjustment column is provided with a third connecting seat, and the third connecting seat is connected to Positioned on the first axial hole of the driving gear, the third connecting seat is provided with a second axial connecting hole, and the second axial connecting hole is connected to the ignition shaft of the gas stove. The knob assembly structure of the automatic gas shut-off device as described in Claim 1, wherein the adapter body of the adjustment column is provided with a fourth connecting seat, and the fourth connecting seat is provided with an axial screw hole of the screw structure, the The rotating body is provided with a fifth connecting seat, and the opposite end of the fifth connecting seat is provided with a screw column of the screw structure, and the screw column is screwed in the screw hole of the adapter body, and causes the fourth connecting seat and The fifth connecting seat is jointly used for the assembly, connection and positioning of the knob. The knob assembly structure of the automatic gas shut-off device as described in Claim 2, wherein the second axial connection hole of the third connection seat of the adjustment column is connected with a first transfer post, and the first transfer post is Connect the ignition shaft of the gas stove. The knob assembly structure of the automatic gas shut-off device as described in claim 3, wherein the fourth connecting seat of the adapter body is provided with the screw column of the screw structure, and the fifth connecting seat of the rotating body is provided with the screw The axial screw hole of the structure, the screw column of the adapter body is screwed in the axial screw hole of the rotating body. The knob assembly structure of the automatic gas shut-off device as described in claim 3, wherein the fourth connection seat and the fifth connection seat of the adjustment column are configured as polygonal structures for the assembly, connection and positioning of the knob. The knob assembly structure of the gas automatic shut-off device as described in Claim 6, wherein the knob is provided with a sixth connection seat assembled and connected to the fourth connection seat and the fifth connection seat of the adjustment column, and the sixth connection seat The fourth connecting seat and the fifth connecting seat are polygonal structures that can be nested and combined with each other.

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