CN216813761U

CN216813761U - Two-stage type electrical heating carbon dioxide pressure reducer

Info

Publication number: CN216813761U
Application number: CN202122524594.4U
Authority: CN
Inventors: 卓建佩
Original assignee: Guangzhou Yijia Medical Technology Co ltd
Current assignee: Guangzhou Yijia Medical Technology Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-06-24
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses a two-stage electric heating carbon dioxide pressure reducer which comprises a first buffer shell, wherein a second buffer shell is fixedly arranged on one side of the first buffer shell, one end of the second buffer shell is movably connected with a rotating shaft pin, one side of the first buffer shell is fixed with the outer surface of the other end of the second buffer shell through a connecting end, the lower surface of the first buffer shell is provided with an input end, the lower surface of the second buffer shell is provided with an output end, one end of the rotating shaft pin is provided with a driving shaft positioned in the second buffer shell, the outer surface of the driving shaft is movably connected with an adjusting pin, one end of the driving shaft is movably connected with a sealing piston positioned on the inner wall of the first buffer shell, the upper end of the inner wall of the second buffer shell is provided with a buffer pipeline, and the inner wall of the buffer pipeline is hermetically connected with a supporting seat. The utility model enables the device to have the pressure regulation function and the efficient pressure reduction effect.

Description

Two-stage type electrical heating carbon dioxide pressure reducer

Technical Field

The utility model relates to the technical field of carbon dioxide pressure reducers, in particular to a two-stage type electric heating carbon dioxide pressure reducer.

Background

The carbon dioxide pressure reducer is generally a pressure reducing device for bottled gas. When the inlet pressure and the outlet flow are changed, the outlet pressure is ensured to be kept stable all the time, the rising of the reading of the low-pressure meter can indicate potential danger and hidden danger, and the device is a pressure structure used in the pressure reducer.

However, the conventional carbon dioxide pressure reducer generally has a single pressure value, is difficult to adjust the pressure, and has an insufficient pressure reduction effect; thus, the existing requirements are not met, and for this reason we propose a two-stage electrically heated carbon dioxide pressure reducer.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the problems of the conventional carbon dioxide pressure reducer of the prior art that the pressure is generally a single value, the pressure is difficult to adjust, and the pressure reduction effect is not significant.

In order to achieve the purpose, the utility model provides the following technical scheme: a two-stage electric heating carbon dioxide pressure reducer comprises a first buffering shell, wherein a second buffering shell is fixedly arranged on one side of the first buffering shell, a rotating shaft pin is movably connected to one end of the second buffering shell, one side of the first buffering shell is fixed to the outer surface of the other end of the second buffering shell through a connecting end, an input end is arranged on the lower surface of the first buffering shell, an output end is arranged on the lower surface of the second buffering shell, a driving shaft located inside the second buffering shell is arranged at one end of the rotating shaft pin, an adjusting pin is movably connected to the outer surface of the driving shaft, a sealing piston located on the inner wall of the first buffering shell is movably connected to one end of the driving shaft, a buffering pipeline is arranged at the upper end of the inner wall of the second buffering shell, a supporting seat is connected to the inner wall of the buffering pipeline in a sealing manner, and the outer surface of one end of the supporting seat is connected with the outer surface of one end of the adjusting pin through a pressure spring, the inner wall swing joint of first buffering casing has auxiliary spring, auxiliary spring's lower fixed surface installs buffer piston.

Preferably, the outer surface of the drive shaft is connected with the inner wall of the adjusting pin through threaded engagement.

Preferably, the outer side of the adjusting pin is connected with the inner wall of the second buffer shell through a sliding groove.

Preferably, one end of the sealing piston is provided with a sealing rubber head, and the sealing piston and the inner wall of the second buffer shell are sealed through the sealing rubber head.

Preferably, the sealing rubber head is fixedly mounted at one end of the supporting seat, and the inner wall of one end of the supporting seat is completely attached to one end of the sealing piston.

Preferably, the auxiliary spring comprises a telescopic shaft and a supporting spring, and the lower surface of the telescopic shaft and the buffering piston are integrally cast.

Preferably, the outer surface of the buffer piston is provided with a sealing rubber head.

Compared with the prior art, the utility model has the beneficial effects that:

1. the liquid of the utility model firstly enters the interior of a first buffer shell from an input end, the buffer piston has downward pressure and counteracts the impact force of the liquid through the matching of a supporting spring and a telescopic shaft, after the buffer piston is jacked up, the liquid flows into the interior of a second buffer shell, meanwhile, the liquid can be contacted with one end of a sealing piston, and part of the liquid can enter the interior of a buffer pipeline, the advancing pressure of the liquid is reduced through the same acting force of the sealing piston and a supporting seat, the sealing piston is pushed backwards and then flows out of the interior of the second buffer shell, and a driving shaft is driven to rotate through rotating a rotating shaft pin, so that the driving shaft is in threaded engagement with an adjusting pin, the adjusting pin is driven to move, the telescopic stroke of the pressure spring is adjusted, when the stroke of the pressure spring is larger, the acting force of the pressure spring is smaller, otherwise, through adjusting the position of the adjusting pin, thereby change compression spring's effort, accomplish the decompression effect of sealed piston and supporting seat to make the device possess decompression regulatory function, make the use that the device can realize multiple environment, have stronger pertinence.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a side view of the present invention in its entirety;

FIG. 3 is a schematic view of the internal structure of a second buffer case according to the present invention;

fig. 4 is a schematic view of the internal structure of the first buffer housing according to the present invention.

In the figure: 1. a first buffer housing; 2. a second buffer housing; 3. a roller pin; 4. a connecting end; 5. an input end; 6. an output end; 7. a drive shaft; 8. an adjustment pin; 9. a sealing piston; 10. a buffer pipeline; 11. a supporting seat; 12. a pressure spring; 13. an auxiliary spring; 14. a buffer piston.

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.

Referring to fig. 1 to 4, an embodiment of the present invention includes: a two-stage electric heating carbon dioxide pressure reducer comprises a first buffering shell 1, a second buffering shell 2 is fixedly installed on one side of the first buffering shell 1, a rotating shaft pin 3 is movably connected to one end of the second buffering shell 2, one side of the first buffering shell 1 is fixed to the outer surface of the other end of the second buffering shell 2 through a connecting end 4, an input end 5 is arranged on the lower surface of the first buffering shell 1, an output end 6 is arranged on the lower surface of the second buffering shell 2, a driving shaft 7 located inside the second buffering shell 2 is arranged at one end of the rotating shaft pin 3, an adjusting pin 8 is movably connected to the outer surface of the driving shaft 7, through the technical scheme, sliding power support can be provided for the adjusting pin 8, a sealing piston 9 located on the inner wall of the first buffering shell 1 is movably connected to one end of the driving shaft 7, through the technical scheme, the pressure buffering effect of the device can be achieved, the upper end of 2 inner walls of second buffering shell is provided with buffer line 10, and buffer line 10's inner wall sealing connection has supporting seat 11, is connected through pressure spring 12 between the surface of supporting seat 11 one end and the surface of 8 one ends of regulating pin, and the inner wall swing joint of first buffering shell 1 has auxiliary spring 13, and auxiliary spring 13's lower fixed surface installs buffer piston 14.

Further, the outer surface of the drive shaft 7 is connected to the inner wall of the adjustment pin 8 by a screw engagement.

Through the technical scheme, the sliding power support can be provided for the adjusting pin 8.

Further, the outer side of the adjusting pin 8 is connected with the inner wall of the second buffer shell 2 through a sliding groove.

Through above-mentioned technical scheme, can realize spacing effect to adjusting pin 8.

Further, one end of the sealing piston 9 is provided with a sealing rubber head, and the sealing piston 9 and the inner wall of the second buffer shell 2 are sealed through the sealing rubber head.

Through above-mentioned technical scheme, can realize the pressure buffering effect of device.

Further, the sealing rubber head is fixedly mounted at one end of the supporting seat 11, and the inner wall of one end of the supporting seat 11 is completely attached to one end of the sealing piston 9.

Through above-mentioned technical scheme, can realize the decompression effect to liquid.

Further, the auxiliary spring 13 includes a telescopic shaft and a support spring, and the lower surface of the telescopic shaft and the buffer piston 14 are integrally cast.

Through the technical scheme, the buffering effect on the buffering piston 14 can be realized.

Further, the outer surface of the buffer piston 14 is provided with a sealing rubber head.

Through the technical scheme, the sealing effect of the buffer piston 14 can be improved.

The working principle is as follows: when the buffer device is used, liquid firstly enters the inside of the first buffer shell 1 from the input end 5, the buffer piston 14 has downward pressure through the matching of the supporting spring and the telescopic shaft, the impact force of the liquid is counteracted, after the buffer piston 14 is jacked up, the liquid flows into the inside of the second buffer shell 2, meanwhile, the liquid can be contacted with one end of the sealing piston 9, part of the liquid can enter the inside of the buffer pipeline 10, the advancing pressure of the liquid is reduced through the same acting force of the sealing piston 9 and the supporting seat 11, the sealing piston 9 is pushed backwards and then flows out of the inside of the second buffer shell 2, the driving shaft 7 is driven to rotate through rotating the rotating shaft pin 3, the driving shaft 7 is in threaded engagement with the adjusting pin 8, the adjusting pin 8 is driven to move, the telescopic stroke of the pressure spring 12 is adjusted, when the stroke of the pressure spring 12 is larger, the acting force of the pressure spring 12 is smaller, otherwise, the pressure is larger, the acting force of the pressure spring 12 is changed by adjusting the position of the adjusting pin 8, and the decompression effect of the sealing piston 9 and the supporting seat 11 is completed, so that the device has the decompression adjusting function, can be used in various environments, and has stronger pertinence.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A two-stage type electrically heated carbon dioxide pressure reducer includes a first buffer case (1), characterized in that: a second buffer shell (2) is fixedly installed on one side of the first buffer shell (1), a rotating shaft pin (3) is movably connected to one end of the second buffer shell (2), the outer surface of the other end of the second buffer shell (2) is fixed to one side of the first buffer shell (1) through a connecting end (4), an input end (5) is arranged on the lower surface of the first buffer shell (1), an output end (6) is arranged on the lower surface of the second buffer shell (2), a driving shaft (7) located inside the second buffer shell (2) is arranged at one end of the rotating shaft pin (3), an adjusting pin (8) is movably connected to the outer surface of the driving shaft (7), a sealing piston (9) located on the inner wall of the first buffer shell (1) is movably connected to one end of the driving shaft (7), a buffer pipeline (10) is arranged at the upper end of the inner wall of the second buffer shell (2), the inner wall sealing connection of buffer pipeline (10) has supporting seat (11), be connected through compression spring (12) between the surface of supporting seat (11) one end and the surface of adjusting pin (8) one end, the inner wall swing joint of first buffering casing (1) has auxiliary spring (13), the lower fixed surface of auxiliary spring (13) installs buffer piston (14).

2. The two-stage electrically heated carbon dioxide pressure reducer according to claim 1, characterized in that: the outer surface of the driving shaft (7) is connected with the inner wall of the adjusting pin (8) through threaded engagement.

3. The two-stage electrically heated carbon dioxide pressure reducer according to claim 1, characterized in that: the outer side of the adjusting pin (8) is connected with the inner wall of the second buffer shell (2) through a sliding groove.

4. The two-stage electrically heated carbon dioxide pressure reducer according to claim 1, characterized in that: one end of the sealing piston (9) is provided with a sealing rubber head, and the sealing piston (9) and the inner wall of the second buffer shell (2) are sealed through the sealing rubber head.

5. The two-stage electrically heated carbon dioxide pressure reducer according to claim 4, wherein: the sealing rubber head is fixedly mounted at one end of the supporting seat (11), and the inner wall of one end of the supporting seat (11) is completely attached to one end of the sealing piston (9).

6. The two-stage electrically heated carbon dioxide pressure reducer according to claim 1, characterized in that: the auxiliary spring (13) comprises a telescopic shaft and a supporting spring, and the lower surface of the telescopic shaft and the buffer piston (14) are integrally cast.

7. The two-stage electrically heated carbon dioxide pressure reducer according to claim 4, wherein: and sealing rubber heads are arranged on the outer surfaces of the buffer pistons (14).