CN215489090U - Liquefied petroleum gas cylinder valve with adjustable filling limiting device - Google Patents

Liquefied petroleum gas cylinder valve with adjustable filling limiting device Download PDF

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Publication number
CN215489090U
CN215489090U CN202121528353.0U CN202121528353U CN215489090U CN 215489090 U CN215489090 U CN 215489090U CN 202121528353 U CN202121528353 U CN 202121528353U CN 215489090 U CN215489090 U CN 215489090U
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fixed pipe
wall
pipe
key
sleeved
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CN202121528353.0U
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田忠夫
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Ningbo Fuhua Valve Co ltd
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Ningbo Fuhua Valve Co ltd
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Abstract

The utility model discloses a liquefied petroleum gas cylinder valve with an adjustable charge limiting device, which comprises a valve body, wherein the lower end of the valve body is provided with the charge limiting device, the charge limiting device comprises a shell, a floating rod and a floater, the upper end of the shell is connected with the lower end of the valve body, the lower end of the shell is connected with the floating rod, the floating rod comprises a fixed pipe, a telescopic pipe which is inserted into the fixed pipe and is in up-and-down sliding fit with the fixed pipe and a connecting seat which is connected with the telescopic pipe, the connecting seat is hinged with the lower end of the shell, the upper end of the telescopic pipe is fixed with the lower end of the connecting seat, and the floater is sleeved outside the fixed pipe; the right side of the fixed pipe is provided with a long sliding hole extending from top to bottom, the right side of the telescopic pipe is provided with a plurality of clamping holes arranged from top to bottom, the fixed pipe is sleeved with a key, the inner walls of the left end and the right end of the key are respectively provided with a boss and a clamping block, the boss is sleeved with a spring, the spring is clamped between the inner wall of the key and the outer wall of the fixed pipe, the clamping block is matched with the clamping hole in shape, and the clamping block is clamped into the clamping hole after penetrating through the long sliding hole. The utility model has the advantage of being more flexible to use.

Description

Liquefied petroleum gas cylinder valve with adjustable filling limiting device
Technical Field
The utility model relates to a liquefied petroleum gas cylinder valve, in particular to a liquefied petroleum gas cylinder valve with an adjustable overshoot protection device.
Background
The filling amount of a liquefied petroleum gas container in the prior art is determined by weighing, a filling limiting device is arranged at the lower end of a valve body of the liquefied petroleum gas bottle valve, for example, the valve filling limiting device disclosed in the Chinese patent with the patent number of CN201821567390.0, the liquefied petroleum gas container comprises a shell, an air inlet is arranged on the outer side of the shell, an inflation cap with a through hole in the middle is fixed at the top end of the shell, an inflation channel communicated with the through hole is arranged in the shell, an ejector rod is arranged in the inflation channel, a spring is sleeved on the ejector rod, a 0-shaped ring is arranged between the top end of the ejector rod and the inner wall of the shell, when the 0-shaped ring is tightly attached to the inner wall of the shell, the inflation channel is divided into an upper cavity and a lower cavity, the lower cavity is communicated with the air inlet, a floating rod used for driving the ejector rod to move up and down is rotatably connected to the bottom end of the shell through a bolt, and a floater is arranged on the floating rod.
Before the valve limit filling device provided by the technical scheme is filled, the floater is in a drooping state under the gravity state, and gas normally enters the bottle; after gas gets into the bottle, become liquid under the high pressure, when the liquid level reached a take the altitude, the float began to come up, when float come-up angle reached a certain angle, ejector pin bottom and first lug separation, the ejector pin moved down through the elasticity of spring, during the recess was gone into to ejector pin bottom card, 0 type circle hugged closely shells inner wall, and the inlet port is closed, and gas can't continue to fill in the bottle, can realize the limit and fill function, nevertheless still can have following problem in the use:
the length of the floating rod is fixed, and the position of the float arranged on the floating rod is also fixed, so that after the valve limit charging device is arranged on the liquefied petroleum gas container, before the liquefied petroleum gas container is filled, the height of the float is fixed and cannot be adjusted, so that the limit charging device is only suitable for being used with a specific liquefied petroleum gas filling amount, and when the liquefied petroleum gas container needs to be filled with liquefied petroleum gases with different capacities, the limit charging device is matched with limit charging devices with different sizes for use, is not universal and needs to be further improved.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks of the prior art, the present invention aims to: provides a liquefied petroleum gas cylinder valve with an adjustable filling limiting device.
The technical solution of the utility model is as follows: the liquefied petroleum gas cylinder valve with the adjustable filling limiting device comprises a valve body, wherein a hand wheel is installed at the upper end of the valve body, the filling limiting device is installed at the lower end of the valve body and comprises a shell, a floating rod and a floater, the upper end of the shell is connected with the lower end of the valve body, and the lower end of the shell is connected with the floating rod;
the floating rod comprises a fixed pipe, a telescopic pipe inserted into the fixed pipe and in up-and-down sliding fit with the fixed pipe, and a connecting seat connected with the telescopic pipe, the connecting seat is hinged with the lower end of the shell, the upper end of the telescopic pipe is fixed with the lower end of the connecting seat, and the floater is sleeved outside the fixed pipe;
the right side of the fixed pipe is provided with a long sliding hole which is communicated from left to right and extends up and down, the right side of the telescopic pipe is provided with a plurality of clamping holes which are arranged up and down, the clamping holes are communicated from left to right, the clamping holes correspond to and are communicated with the long sliding hole, the fixed pipe is sleeved with a key, the key is annular, a boss and a clamping block are arranged on the inner walls of the left end and the right end in the key respectively, a spring is sleeved on the boss, the spring is clamped between the inner wall of the key and the outer wall of the fixed pipe, the clamping block is matched with the clamping holes in shape, and the clamping block is clamped into the clamping holes after penetrating through the long sliding holes.
Furthermore, the outer wall of the telescopic pipe is provided with a raised line extending up and down, the inner wall of the fixed pipe is provided with a clamping groove extending up and down, and the raised line is clamped in the clamping groove.
Furthermore, the outer wall of the fixed pipe is provided with a convex column, the right end of the spring is sleeved on the convex column, and the left end of the spring is sleeved on the boss.
Furthermore, the button is sleeved at the upper end of the fixed pipe, a convex placing table is arranged on the outer wall of the upper end of the fixed pipe, and the button is placed at the top of the placing table.
Furthermore, a cavity for the left and right movement of the key is reserved between the inner wall of the left side of the key and the outer wall of the fixed pipe.
Furthermore, the upper end of the extension tube is connected with the lower end of the connecting seat in a threaded connection mode.
The liquefied petroleum gas cylinder valve with the adjustable limit filling device provided by the utility model has the beneficial effects that: after the key is pressed, the clamping block can be separated from the clamping hole of the telescopic pipe, the fixed pipe can slide up and down relative to the telescopic pipe, so that the height of the fixed pipe can be adjusted, the height of a floater sleeved on the fixed pipe is changed, and the liquefied petroleum gas container can be used after the height of the floater is adjusted when liquefied petroleum gas with different capacities needs to be filled, and is more flexible to use.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the installation of the fixed pipe and the telescopic pipe of the present invention;
FIG. 3 is an enlarged schematic view of region G of FIG. 2;
FIG. 4 is a schematic structural view of a stationary tube of the present invention;
FIG. 5 is a schematic view of the telescopic tube of the present invention;
fig. 6 is a schematic structural diagram of a key of the present invention.
Shown in the figure: 1-valve body, 2-hand wheel, 3-floating rod, 31-fixed tube, 311-long slide hole, 312-clamping groove, 313-convex column, 314-placing table, 32-telescopic tube, 321-clamping hole, 322-convex strip, 33-connecting seat, 331-connecting column, 4-float, 5-button, 51-lug boss, 52-clamping block, 53-cavity, 6-spring and 7-shell.
Detailed Description
For a more intuitive and complete understanding of the technical solution of the present invention, the following non-limiting features are described in conjunction with the accompanying drawings of the present invention:
as shown in fig. 1-6, a liquefied petroleum gas cylinder valve with an adjustable charge-limiting device comprises a valve body 1, a hand wheel 2 is installed at the upper end of the valve body 1, the charge-limiting device is installed at the lower end of the valve body 1, the charge-limiting device comprises a shell 7, a floating rod 3 and a floater 4, the upper end of the shell 7 is connected with the lower end of the valve body 1, and the lower end of the shell 7 is connected with the floating rod 3;
the floating rod 3 comprises a fixed pipe 31, an extension pipe 32 which is inserted into the fixed pipe 31 and is in up-and-down sliding fit with the fixed pipe 31, and a connecting seat 33 connected with the extension pipe 32, wherein the connecting seat 33 is hinged with the lower end of the shell 7, the upper end of the extension pipe 32 is fixed with the lower end of the connecting seat 33, and the floater 4 is sleeved outside the fixed pipe 31;
the right side of the fixed pipe 31 is provided with a long sliding hole 311 which is through from left to right and extends up and down, the right side of the telescopic pipe 32 is provided with a plurality of clamping holes 321 which are arranged up and down, the clamping holes 321 are through from left to right, the clamping holes 321 correspond to and are communicated with the long sliding hole 311, the fixed pipe 31 is externally sleeved with a key 5, the key 5 is annular, the inner walls of the left end and the right end in the key 5 are respectively provided with a boss 51 and a fixture block 52, the boss 51 is sleeved with a spring 6, the spring 6 is clamped between the inner wall of the key 5 and the outer wall of the fixed pipe 31, the fixture block 52 is matched with the clamping holes 321 in shape, and the fixture block 52 is clamped into the clamping holes 321 after passing through the long sliding hole 311.
As shown in fig. 4 and 5, the outer wall of the extension tube 32 is provided with a protruding strip 322 extending up and down, the inner wall of the fixed tube 31 is provided with a locking groove 312 extending up and down, the protruding strip 322 is locked in the locking groove 312, and the extension tube 32 cannot rotate in the fixed tube 31.
As shown in FIG. 3, in order to firmly mount the spring 6, the outer wall of the fixed tube 31 has a convex boss 313, the right end of the spring 6 is fitted over the boss 313, and the left end of the spring 6 is fitted over the boss 51.
As shown in fig. 3 and 4, the button 5 is sleeved on the upper end of the fixing tube 31, a protruding rest 314 is provided on the outer wall of the upper end of the fixing tube 31, and the button 5 rests on the top of the rest 314 to prevent the button 5 from falling off.
As shown in fig. 4, a cavity 53 for left and right movement of the button 5 is left between the left inner wall of the button 5 and the outer wall of the fixed tube 31, so that the button 5 can move left and right conveniently, and when the button 5 is pressed rightwards, the button 5 moves rightwards.
In order to facilitate the connection between the extension tube 32 and the connection seat 33, the upper end of the extension tube 32 is connected to the lower end of the connection seat 33 by a screw connection, the upper end of the extension tube 32 is provided with an external thread (not shown), and the lower end of the connection seat 33 is provided with a connection post 331 with a threaded hole (not shown).
When the telescopic rod is used, after the key 5 is pressed rightwards, the spring 6 is compressed, the clamping block 52 moves rightwards and is separated from the clamping hole 321 of the telescopic tube 32, then the position of the fixed tube 31 can be adjusted up and down, after the fixed tube 31 is moved to a required position, after the key 5 is released, the key 5 moves leftwards through the elastic force of the spring 6, the clamping block 52 abuts against the outer wall of the telescopic tube 32, then the telescopic tube 32 is moved up and down in a small range, the clamping block 52 can be clamped into the clamping hole 321 nearest to the key 52, the key 5 resets, and the telescopic rod is fixed.
According to the liquefied petroleum gas cylinder valve with the adjustable charge limiting device, after the key 5 is pressed, the clamping block 52 can be separated from the clamping hole 321 of the telescopic pipe 32, the fixed pipe 31 can slide up and down relative to the telescopic pipe 32, so that the height of the fixed pipe 31 can be adjusted, the height of the floater 4 sleeved on the fixed pipe 31 is changed, when liquefied petroleum gas containers need to be filled with liquefied petroleum gases with different capacities, the height of the floater 4 can be adjusted for use, and the liquefied petroleum gas cylinder valve is more flexible to use.
It should be understood that the above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and that the present invention is not limited by the above description and drawings.

Claims (6)

1. The utility model provides a limit for filling liquefied petroleum gas cylinder valve of device with adjustable area, includes the valve body, and the hand wheel is installed to the upper end of valve body, and limit for filling device is installed to the lower extreme of valve body, and limit for filling device includes shell, float rod and float, and the shell upper end is connected with the valve body lower extreme, and the shell lower extreme is connected its characterized in that with the float rod:
the floating rod comprises a fixed pipe, a telescopic pipe inserted into the fixed pipe and in up-and-down sliding fit with the fixed pipe, and a connecting seat connected with the telescopic pipe, the connecting seat is hinged with the lower end of the shell, the upper end of the telescopic pipe is fixed with the lower end of the connecting seat, and the floater is sleeved outside the fixed pipe;
the right side of the fixed pipe is provided with a long sliding hole which is communicated from left to right and extends up and down, the right side of the telescopic pipe is provided with a plurality of clamping holes which are arranged up and down, the clamping holes are communicated from left to right, the clamping holes correspond to and are communicated with the long sliding hole, the fixed pipe is sleeved with a key, the key is annular, a boss and a clamping block are arranged on the inner walls of the left end and the right end in the key respectively, a spring is sleeved on the boss, the spring is clamped between the inner wall of the key and the outer wall of the fixed pipe, the clamping block is matched with the clamping holes in shape, and the clamping block is clamped into the clamping holes after penetrating through the long sliding holes.
2. The lpg cylinder valve with adjustable restriction device as recited in claim 1, wherein: the outer wall of the telescopic pipe is provided with a raised line extending up and down, the inner wall of the fixed pipe is provided with a clamping groove extending up and down, and the raised line is clamped in the clamping groove.
3. The lpg cylinder valve with adjustable restriction device as recited in claim 1, wherein: the outer wall of the fixed pipe is provided with a convex column, the right end of the spring is sleeved on the convex column, and the left end of the spring is sleeved on the lug boss.
4. The lpg cylinder valve with adjustable restriction device as recited in claim 1, wherein: the button is sleeved at the upper end of the fixed pipe, a convex placing table is arranged on the outer wall of the upper end of the fixed pipe, and the button is placed at the top of the placing table.
5. The lpg cylinder valve with adjustable restriction device as recited in claim 1, wherein: and a cavity for the left and right movement of the key is reserved between the inner wall of the left side of the key and the outer wall of the fixed tube.
6. The lpg cylinder valve with adjustable restriction device as recited in claim 1, wherein: the upper end of the extension tube is connected with the lower end of the connecting seat in a threaded connection mode.
CN202121528353.0U 2021-07-06 2021-07-06 Liquefied petroleum gas cylinder valve with adjustable filling limiting device Active CN215489090U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121528353.0U CN215489090U (en) 2021-07-06 2021-07-06 Liquefied petroleum gas cylinder valve with adjustable filling limiting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121528353.0U CN215489090U (en) 2021-07-06 2021-07-06 Liquefied petroleum gas cylinder valve with adjustable filling limiting device

Publications (1)

Publication Number Publication Date
CN215489090U true CN215489090U (en) 2022-01-11

Family

ID=79724833

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121528353.0U Active CN215489090U (en) 2021-07-06 2021-07-06 Liquefied petroleum gas cylinder valve with adjustable filling limiting device

Country Status (1)

Country Link
CN (1) CN215489090U (en)

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