CN111637275A - Flexible transmission pipe internal valve - Google Patents

Abstract

The invention discloses a flexible transmission pipe internal valve which comprises a knob seat, a flexible shaft and a valve body, wherein the knob seat is connected with a valve core in the valve body through the flexible shaft, the valve body penetrates through a distribution pipe, a pipe clamp is arranged at the position, corresponding to the distribution pipe, of the outer side of the valve body, one end of the pipe clamp is provided with a distribution pipe cover plate to wrap the distribution pipe, so that the valve body is fixed with the distribution pipe, a valve core pressing spring is arranged between one end of the valve core and the distribution pipe cover plate, the valve core is driven to rotate through the flexible shaft by operating the knob seat, so that the air outlet quantity of the end part of the valve body is adjusted, the valve body is creatively arranged in the distribution pipe and is fixed through the external pipe clamp, and the space occupied by the valve body is greatly. The valve body and the pipe are combined together, the installation is flexible, the valve body and the pipe are combined together, the occupied space of the valve body is small, the cost is reduced, and the use is convenient.

Description

Flexible transmission pipe internal valve

Technical Field

The invention relates to the field of gas valves, in particular to a flexible transmission pipe inner valve.

Background

In general, in the design of gas appliances, the panel has the possibility of setting various inclination angles in order to match the appearance and ergonomics of the appliance, and the nozzle of the valve body is required to be horizontally designed to be sprayed into the combustor, so that the traditional rigid integrated valve is required to be matched with various angles for manufacturing, and the manufacturing difficulty is high.

The applicant previously filed an invention patent named 'a valve structure adopting flexible transmission', the patent number is 201510094606.0, the technical scheme introduces a flexible transmission rod, so that the position between a body and an upper cover can be randomly changed, the whole valve can be installed at different positions of a gas cooker or an oven, and the problems are solved.

Disclosure of Invention

The invention provides a flexible transmission pipe inner valve which is flexible to install, the valve body and a pipe are combined together, the occupied space of the valve body is small, the cost is reduced, and the flexible transmission pipe inner valve is convenient to use.

In order to achieve the purpose, the invention provides the following technical scheme: a flexible transmission pipe internal valve comprises a knob seat, a flexible shaft and a valve body, wherein the knob seat is connected with a valve core inside the valve body through the flexible shaft, the valve body penetrates through a distribution pipe, a pipe clamp is arranged at the position, corresponding to the distribution pipe, of the outer side of the valve body, one end of the pipe clamp is provided with a distribution pipe cover plate to wrap the distribution pipe, the valve body is fixed with the distribution pipe, a valve core pressing spring is arranged between one end of the valve core and the distribution pipe cover plate, the valve core is driven to rotate through the flexible shaft by operating the knob seat, the size of the gas outlet quantity of the end portion of the valve body is adjusted, the valve body is creatively arranged in the distribution pipe and is fixed through the external pipe clamp, and the space occupied by the valve body is greatly reduced.

Preferably, the knob seat comprises an upper cover and an upper cover plate connected with the upper cover, a knob rotating shaft penetrates into the upper cover, one end of the knob rotating shaft is connected with one end of the flexible shaft, and the knob rotating shaft can be well fixed by the upper cover and the upper cover plate.

Preferably, polygonal connecting blocks are installed at two ends of the flexible shaft, the polygonal connecting blocks at the two ends are respectively embedded into the end parts of the knob rotating shaft and the valve core, the rotation transmission of the flexible shaft, the knob rotating shaft and the valve core can be realized through the polygonal connecting blocks, the polygonal connecting blocks are simple in structure, firm in connection and convenient to install, threads do not need to be machined, and the situation of thread slipping does not occur.

Preferably, the limiting ring is sleeved on the outer side of one end, connected with the flexible shaft, of the knob rotating shaft, a limiting rod is arranged on the radial edge of the limiting ring, the limiting rod is located in an arc-shaped limiting groove in the inner side wall of the upper cover, the limiting rod moves in the arc-shaped limiting groove along with the rotation of the knob rotating shaft, and the rotation angle of the knob rotating shaft can be limited by the limiting ring.

Preferably, a spring is arranged between the limiting ring and the upper cover plate, the limiting ring is pressed by the spring, and the knob rotating shaft is pressed at the same time, so that the knob rotating shaft has certain resistance to rotation.

Preferably, an air passage communicating the side wall and the end part of the valve core is arranged in the valve core, an air inlet corresponding to the air passage is arranged on the side wall of the valve body, an air pipe can be connected into the piping and communicated with the air inlet, fuel gas is introduced into the air passage, the overlapping area of the end part of the air passage and the air inlet is adjusted through the rotation of the valve core, and therefore the adjustment of air inflow is achieved.

Preferably, the end part of the valve body is provided with a detachable nozzle, so that the gas can be conveniently sprayed out in a concentrated manner.

Preferably, a seal ring is mounted on the outer wall of the valve body at a position penetrating the pipe side wall and pressed against the pipe side wall, so that external water can be prevented from entering the pipe.

Compared with the prior art, the invention has the beneficial effects that:

the valve body of the invention only needs a standard direct injection angle and a single standard operation knob, the installation angle of the operation knob can meet various elastic angle requirements by virtue of the flexible transmission shaft, for example, the outdoor heating often needs a space where a burner is not touched by people at a high position, but an operator needs to be convenient to operate and play the best flexible transmission function.

The valve body is arranged in the pipe, the fixing method is simple, the positioning accuracy is high, the flexible transmission is matched to play the characteristic of high elasticity, the precision is completely and individually controlled when the pipe and the valve body are fixed without considering the angle and the position of the panel and the turn button, the occupied space of the valve body is greatly reduced, and the cost of other accessories is reduced.

In the independent complete valve body combustion system, all the operation knobs connected to the control panel by the flexible transmission shaft can achieve high elasticity and safety combined equipment.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a view of the half section A-A of FIG. 2;

FIG. 4 is a schematic top view of the present invention;

fig. 5 is a partial structural schematic diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the present invention provides a flexible transmission in-pipe valve, comprising a knob base 1, a flexible shaft 4 and a valve body 11, the knob seat 1 is connected with a valve core 9 in a valve body 11 through a flexible shaft 4, the valve body 11 passes through a pipe 10, a pipe clamp 5 is arranged at the position corresponding to the pipe 10 at the outer side of the valve body 11, a pipe cover plate 3 is arranged at one end of the pipe clamp 5 to wrap the pipe 10, the valve body 11 and the pipe 10 are fixed, a valve core pressing spring 8 is arranged between one end of the valve core 9 and the pipe cover plate 3, the valve core 9 can be driven to rotate by operating the knob seat 1 through the flexible shaft 4, thereby adjusting the amount of the discharged gas at the end of the valve body 11, and the valve body 11 is creatively arranged in the piping 10, and is fixed by an external pipe clamp 5, thus greatly reducing the space occupied by the valve body 11.

As an embodiment of the invention, during installation, the opposite side walls of the pipe 10 are provided with holes, the valve body 11 is inserted into and penetrates through the pipe 10, the inner valve core 9 is installed and the flexible shaft 4 is connected, then the pipe clamp 5 and the pipe cover plate 3 are installed, the installation and the fixation of the valve body 11 are realized, and the synchronous rotation of the valve core 9 can be realized by rotating the knob seat 1 during use.

The knob seat 1 comprises an upper cover 7 and an upper cover plate 18 connected with the upper cover 7, a knob rotating shaft 6 penetrates into the upper cover 7, one end of the knob rotating shaft 6 is connected with one end of the flexible shaft 4, and the knob rotating shaft 6 can be well fixed by the upper cover 7 and the upper cover plate 18.

In order to facilitate the connection of the flexible shaft 4, the polygonal connecting blocks 15 are installed at the two ends of the flexible shaft 4, the polygonal connecting blocks 15 at the two ends are respectively embedded into the end portions of the knob rotating shaft 6 and the valve core 9, the rotation transmission of the flexible shaft 4, the knob rotating shaft 6 and the valve core 9 can be realized through the polygonal connecting blocks 15, the polygonal connecting blocks 15 are simple in structure, firm in connection, convenient to install, free of thread machining, and free of thread slipping.

In addition, the limiting ring 19 has been cup jointed in the one end outside that knob pivot 6 and flexible shaft 4 are connected, the radial edge of limiting ring 19 be provided with a gag lever post 20, gag lever post 20 be located arc spacing inslot 21 on the 7 inside walls of upper cover, gag lever post 20 removes in arc spacing inslot 21 along with the rotation of knob pivot 6, can restrict the rotation angle of knob pivot 6 through setting up the gag lever post 19.

Preferably, a spring 17 is arranged between the limiting ring 19 and the upper cover plate 18, the limiting ring 19 is pressed by the spring 17, and the knob rotating shaft 6 is pressed at the same time, so that the knob rotating shaft 6 has certain resistance to rotate.

The gas pipe type gas-liquid mixing valve is characterized in that a gas passage 14 communicating the side wall and the end part of the valve core 9 is arranged in the valve core 9, a gas inlet 16 corresponding to the gas passage 14 is arranged on the side wall of the valve body 11, a gas pipe can be connected into the pipe 10 and communicated with the gas inlet 16, gas is introduced into the gas passage 14, the overlapping area of the end part of the gas passage 14 and the gas inlet 16 is adjusted through the rotation of the valve core 9, so that the adjustment of the gas inflow is realized, a detachable nozzle 12 is arranged at the end part of the valve body 11, and the.

In order to improve the waterproof property of the valve body, a seal ring 13 is mounted on the outer wall of the valve body 11 at a position penetrating the side wall of the pipe 10 and pressed against the side wall of the pipe 10, so that external water can be prevented from entering the pipe 10.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (8)

1. The utility model provides a flexible transmission intraductal valve, includes knob seat (1), flexible axle (4) and valve body (11), characterized in that, knob seat (1) link to each other through flexible axle (4) and valve core (9) inside valve body (11), valve body (11) pass from piping (10), the outside of valve body (11) and the position that piping (10) correspond be provided with pipe clamp (5), the one end of pipe clamp (5) install piping apron (3) and wrap piping (10), make valve body (11) and piping (10) fixed, the one end of valve core (9) and piping apron (3) between be provided with case suppression spring (8).

2. The flexible drive in-line valve of claim 1, wherein: the knob seat (1) comprises an upper cover (7) and an upper cover plate (18) connected with the upper cover, a knob rotating shaft (6) penetrates into the upper cover (7), and one end of the knob rotating shaft (6) is connected with one end of the flexible shaft (4).

3. The flexible drive in-line valve of claim 2, wherein: polygonal connecting blocks (15) are installed at two ends of the flexible shaft (4), and the polygonal connecting blocks (15) at the two ends are respectively embedded into the end portions of the knob rotating shaft (6) and the valve core (9).

4. The flexible drive in-line valve of claim 2, wherein: the limiting ring (19) is sleeved on the outer side of one end, connected with the flexible shaft (4), of the knob rotating shaft (6), a limiting rod (20) is arranged on the radial edge of the limiting ring (19), the limiting rod (20) is located in an arc-shaped limiting groove (21) in the inner side wall of the upper cover (7), and the limiting rod (20) moves in the arc-shaped limiting groove (21) along with the rotation of the knob rotating shaft (6).

5. The flexible drive in-line valve of claim 4, wherein: a spring (17) is arranged between the limiting ring (19) and the upper cover plate (18).

6. The flexible drive in-line valve of claim 1, wherein: an air passage (14) communicating the side wall and the end part of the valve core (9) is arranged in the valve core, and an air inlet hole (16) corresponding to the air passage (14) is arranged on the side wall of the valve body (11).

7. The flexible drive in-line valve of claim 1, wherein: the end part of the valve body (11) is provided with a detachable nozzle (12).

8. The flexible drive in-line valve of claim 1, wherein: and a sealing ring (13) which is tightly pressed with the side wall of the pipe (10) is arranged on the outer side wall of the valve body (11) at a position which penetrates through the side wall of the pipe (10).

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