CN213084004U - Hydraulic one-way buffer - Google Patents
Hydraulic one-way buffer Download PDFInfo
- Publication number
- CN213084004U CN213084004U CN202021065126.4U CN202021065126U CN213084004U CN 213084004 U CN213084004 U CN 213084004U CN 202021065126 U CN202021065126 U CN 202021065126U CN 213084004 U CN213084004 U CN 213084004U
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- CN
- China
- Prior art keywords
- pressure cylinder
- bottle body
- piston rod
- piston
- spring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A hydraulic one-way damper comprising: the anti-return ball valve comprises a bottle body, a buckle cover, an external pressure cylinder, an anti-return ball plug, a check valve, a nozzle head, a piston, an accumulator, a first spring and a piston rod. The application provides a hydraulic one-way buffer, through set up the check valve that only allows fluid one-way flow in the external pressure cylinder, prevent that the gas on upper portion from getting into in the bottle of lower part to avoid using the condition emergence that great power could just take liquid out.
Description
Technical Field
The utility model belongs to the technical field of hydraulic buffer, concretely relates to one-way buffer of hydraulic pressure.
Background
The hydraulic buffer can be used for pumping the liquid stored in the bottle body by pressing the nozzle head. However, when the tip is pressed, a large force is often required to draw the liquid out of the bottle body. Through the structural analysis of the hydraulic buffer, it can be found that when the liquid in the bottle body moves upwards to the nozzle head through the through pipe, a small part of the gas at the upper part also enters the bottle body downwards through the through pipe, so that the air pressure in the bottle body is offset, and the difficulty in pumping the liquid is increased.
Disclosure of Invention
In order to solve the above problem, the utility model provides a hydraulic one-way buffer, include:
a bottle body for storing a liquid; the bottle body is internally provided with an accommodating space, and the top of the bottle body is provided with a through hole;
the buckle cover is used for installing the outer pressure cylinder; the buckle cover is arranged on the top surface of the bottle body and is positioned right above the through hole;
the outer pressure cylinder is used for conveying liquid; the external pressure cylinder is arranged in the accommodating space, and the top end of the external pressure cylinder extends out of the through hole to enter the buckle cover and is fastened with the inner side wall of the buckle cover; a liquid inlet is formed in the bottom end of the external pressure cylinder;
the anti-ball-return plug is used for conducting or closing the liquid inlet; the anti-return ball plug is arranged at the liquid inlet in the outer pressure cylinder;
the check valve is used for only allowing fluid to flow from the bottle body to the nozzle head through the external pressure cylinder; the check valve is arranged in the outer pressure cylinder, and a pipeline penetrating through the check valve is arranged on the check valve;
the piston is used for compressing gas in the bottle body or extracting liquid in the bottle body; the piston is arranged in the check valve and is tightly attached to the inner wall of the check valve; the piston is provided with a pore;
an accumulator for being actuated by the piston to compress the first spring; the pressure accumulator is arranged in the outer pressure cylinder, the top end of the pressure accumulator is tightly propped against the piston, and the bottom end of the pressure accumulator is tightly propped against the first spring;
a first spring for supporting the accumulator; the first spring is arranged in the outer pressure cylinder, the bottom end of the first spring is supported on the anti-return ball plug, and the top end of the first spring supports the pressure accumulator;
the piston rod is used for driving the piston to move towards the bottle body; the bottom end of the piston rod sequentially penetrates through the buckling cover, the external pressure cylinder and the through hole and is tightly abutted against the piston; the piston rod is provided with a channel which runs through the piston rod;
a nozzle head for outputting liquid; the nozzle head is connected with the piston rod and is communicated with the outer pressure cylinder through the channel on the piston rod; and a liquid outlet communicated with the channel is arranged on the nozzle head.
Preferably, a fastening cylinder ring is arranged between the fastening cover and the external pressure cylinder, and the fastening cover and the external pressure cylinder are fastened through the fastening cylinder ring.
Preferably, a second spring is arranged in the outer pressure cylinder, the bottom end of the second spring is tightly abutted to the check valve, and the top end of the second spring is tightly abutted to a convex block which is formed by outward protrusion on the side wall of the piston rod.
Preferably, the method further comprises the following steps: the bottle cap wraps the nozzle head and the buckle cover, and the bottom end of the bottle cap is tightly attached to the outer wall of the bottle body.
The application provides a hydraulic one-way buffer, through set up the check valve that only allows fluid one-way flow in the external pressure cylinder, prevent that the gas on upper portion from getting into in the bottle of lower part to avoid using the condition emergence that great power could just take liquid out.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a hydraulic one-way buffer provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to 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.
In an embodiment of the present application, as shown in fig. 1, the present application provides a hydraulic unidirectional buffer, including: the bottle body 1, the buckle cover 2, the external pressure cylinder 3, the anti-ball-return plug 5, the check valve 6, the nozzle 7, the piston 8, the pressure accumulator 9, the first spring 10 and the piston rod 11, and the detailed description of each part is provided below.
In an embodiment of the present application, as shown in fig. 1, the present application provides a hydraulic unidirectional buffer, including:
a bottle body 1 for storing liquid; the bottle body 1 is internally provided with an accommodating space, and the top of the bottle body 1 is provided with a through hole;
the buckle cover 2 is used for installing the outer pressure cylinder 3; the buckle cover 2 is arranged on the top surface of the bottle body 1 and is positioned right above the through hole;
an external pressure cylinder 3 for conveying liquid; the external pressure cylinder 3 is arranged in the accommodating space, and the top end of the external pressure cylinder extends out of the through hole to enter the buckle cover 2 and is fastened with the inner side wall of the buckle cover 2; the bottom end of the external pressure cylinder 3 is provided with a liquid inlet 4;
the ball return preventing plug 5 is used for conducting or closing the liquid inlet 4; the anti-ball-return plug 5 is arranged at the liquid inlet 4 in the external pressure cylinder 3;
a check valve 6 for allowing only fluid to flow from the bottle body 1 to a nozzle 7 via the external pressure cylinder 3; the check valve 6 is arranged in the piston rod 11, and a pipeline penetrating through the check valve is arranged on the check valve;
the piston 8 is used for compressing the gas in the bottle body 1 or extracting the liquid in the bottle body 1; the piston 8 is arranged in the piston rod 11 and is tightly attached to the inner wall of the piston rod; the piston 8 is provided with a pore;
an accumulator 9 for being actuated by said piston 8 to compress a first spring 10; the pressure accumulator 9 is arranged in the external pressure cylinder 3, and the top end of the pressure accumulator is tightly pressed against the piston 8 while the bottom end of the pressure accumulator is tightly pressed against the first spring 10;
a first spring 10 for supporting the accumulator 9; the first spring 10 is disposed in the outer cylinder 3, and has a bottom end supported on the anti-rollback stopper 5 and a top end supporting the accumulator 9;
a piston rod 11 for driving the piston 8 to move towards the bottle body 1; the bottom end of the piston rod 11 sequentially penetrates through the buckle cover 2, the external cylinder 3 and the through hole and is tightly abutted against the piston 8; the piston rod 11 is provided with a channel 12 penetrating through the piston rod;
a nozzle head 7 for outputting liquid; the nozzle head 7 is connected with the piston rod 11 and is communicated with the external pressure cylinder 3 through the channel 12 on the piston rod 11; the nozzle head 7 is provided with a liquid outlet 13 communicated with the channel 12.
The liquid is stored in the bottle body 1 in advance, when the nozzle 7 is pressed, the nozzle 7 moves towards the bottle body 1 and drives the piston rod 11, the piston 8 and the pressure accumulator 9 to move towards the bottle body 1, at this time, the piston 8 moves downwards relative to the check valve 6 (the check valve 6 can be fixed on the inner wall of the outer pressure cylinder 3), and air in the bottle body 1 is compressed. Air in the bottle body 1 is discharged from the liquid outlet 13 through the fine hole of the piston 8 and the check valve 6 via the passage 12 of the piston rod 11. When the nozzle head 7 loses the external force, the first spring 10 releases the elastic potential energy of the first spring to drive the pressure accumulator 9, the piston 8 and the piston rod 11 to move upwards. At this time, the air pressure in the bottle body 1 is lower than the air pressure outside the bottle body 1, so that the liquid in the bottle body 1 is discharged from the liquid outlet 13 through the channel 12 on the piston rod 11 from the pipeline on the check valve 6 under the action of the air pressure difference.
In the embodiment of the present application, as shown in fig. 1, a fastening cylinder ring 14 is disposed between the fastening cover 2 and the external pressing cylinder 3, and the fastening cover 2 and the external pressing cylinder 3 are fastened by the fastening cylinder ring 14. The snap cylinder ring 14 can fasten the snap cover 2 and the outer pressure cylinder 3 together by a concavo-convex design.
As shown in fig. 1, in the embodiment of the present application, a second spring 15 is disposed in the external cylinder 3, a bottom end of the second spring 15 abuts against the check valve 6, and a top end of the second spring abuts against a protrusion 16 formed on a side wall of the piston rod 11 and protruding outward. When the nozzle head 7 loses the external force, the second spring 15 can release the elastic potential energy of itself to drive the lug 16 and the piston rod 11 to move upwards.
Referring to fig. 1, in an embodiment of the present application, the present application provides a hydraulic unidirectional buffer further including: the bottle cap 17 wraps the nozzle head 7 and the buckle cover 2, and the bottom end of the bottle cap 17 is tightly attached to the outer wall of the bottle body 1. A cap 17 may be used to protect the tip 7 and the closure 2.
The application provides a hydraulic one-way buffer, through set up the check valve that only allows fluid one-way flow in the external pressure cylinder, prevent that the gas on upper portion from getting into in the bottle of lower part to avoid using the condition emergence that great power could just take liquid out.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (4)
1. A hydraulic one-way damper, comprising:
a bottle body for storing a liquid; the bottle body is internally provided with an accommodating space, and the top of the bottle body is provided with a through hole;
the buckle cover is used for installing the outer pressure cylinder; the buckle cover is arranged on the top surface of the bottle body and is positioned right above the through hole;
the outer pressure cylinder is used for conveying liquid; the external pressure cylinder is arranged in the accommodating space, and the top end of the external pressure cylinder extends out of the through hole to enter the buckle cover and is fastened with the inner side wall of the buckle cover; a liquid inlet is formed in the bottom end of the external pressure cylinder;
the anti-ball-return plug is used for conducting or closing the liquid inlet; the anti-return ball plug is arranged at the liquid inlet in the outer pressure cylinder;
the check valve is used for only allowing fluid to flow from the bottle body to the nozzle head through the external pressure cylinder; the check valve is arranged in the piston rod, and a pipeline penetrating through the check valve is arranged on the check valve;
the piston is used for compressing gas in the bottle body or extracting liquid in the bottle body; the piston is arranged in the piston rod and is tightly attached to the inner wall of the piston rod; the piston is provided with a pore;
an accumulator for being actuated by the piston to compress the first spring; the pressure accumulator is arranged in the outer pressure cylinder, the top end of the pressure accumulator is tightly propped against the piston, and the bottom end of the pressure accumulator is tightly propped against the first spring;
a first spring for supporting the accumulator; the first spring is arranged in the outer pressure cylinder, the bottom end of the first spring is supported on the anti-return ball plug, and the top end of the first spring supports the pressure accumulator;
the piston rod is used for driving the piston to move towards the bottle body; the bottom end of the piston rod sequentially penetrates through the buckling cover, the external pressure cylinder and the through hole and is tightly abutted against the piston; the piston rod is provided with a channel which runs through the piston rod;
a nozzle head for outputting liquid; the nozzle head is connected with the piston rod and is communicated with the outer pressure cylinder through the channel on the piston rod; and a liquid outlet communicated with the channel is arranged on the nozzle head.
2. The hydraulic one-way damper according to claim 1, wherein a cylinder ring is provided between the cover and the outer cylinder, and the cover and the outer cylinder are fastened by the cylinder ring.
3. The hydraulic one-way damper according to claim 1, wherein a second spring is disposed in the outer cylinder, a bottom end of the second spring abuts against the check valve, and a top end of the second spring abuts against a projection formed by an outward protrusion on a side wall of the piston rod.
4. The hydraulic one-way damper according to claim 1, further comprising: the bottle cap wraps the nozzle head and the buckle cover, and the bottom end of the bottle cap is tightly attached to the outer wall of the bottle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021065126.4U CN213084004U (en) | 2020-06-11 | 2020-06-11 | Hydraulic one-way buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021065126.4U CN213084004U (en) | 2020-06-11 | 2020-06-11 | Hydraulic one-way buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213084004U true CN213084004U (en) | 2021-04-30 |
Family
ID=75618842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021065126.4U Expired - Fee Related CN213084004U (en) | 2020-06-11 | 2020-06-11 | Hydraulic one-way buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213084004U (en) |
-
2020
- 2020-06-11 CN CN202021065126.4U patent/CN213084004U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210430 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |