CN215805936U - Gas spring capable of being repeatedly charged and discharged - Google Patents
Gas spring capable of being repeatedly charged and discharged Download PDFInfo
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- CN215805936U CN215805936U CN202122283065.XU CN202122283065U CN215805936U CN 215805936 U CN215805936 U CN 215805936U CN 202122283065 U CN202122283065 U CN 202122283065U CN 215805936 U CN215805936 U CN 215805936U
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- cylinder barrel
- spring
- inflatable
- deflatable
- ejector rod
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Abstract
The utility model relates to a gas spring capable of being repeatedly charged and discharged, which comprises: a cylinder barrel; the piston is movably arranged in the cylinder barrel; a piston rod fixed to the piston and having an end portion thereof extended out of the cylinder; the inflatable and deflatable mechanism is arranged at the tail part of the cylinder barrel; when the inflatable and deflatable mechanism is in a closed state, the cylinder barrel is isolated from the outside air; when the inflatable and deflatable mechanism is in an open state, the cylinder barrel is communicated with the outside air and is suitable for inflating or deflating the cylinder barrel; in the scheme, the pressure in the cylinder barrel is adjustable by arranging the chargeable and dischargeable mechanism at the tail part of the cylinder barrel; when the charging and discharging mechanism is in a closed state, the cylinder barrel is isolated from outside air, and the air pressure in the cylinder barrel is kept unchanged; when the charging and discharging mechanism is in an opening state, the cylinder barrel is communicated with the outside air, and the cylinder barrel can be inflated or deflated at the moment, so that the air pressure in the cylinder barrel can be adjusted.
Description
Technical Field
The utility model relates to a gas spring, in particular to a gas spring capable of being repeatedly charged and discharged.
Background
The gas spring mainly comprises a cylinder barrel, a piston in the cylinder barrel, a piston rod, a valve rod and the like, wherein gas or oil-gas mixture is stored in the cylinder barrel.
The conventional gas spring is blocked at the tail part of the cylinder barrel through a ball valve or a thimble, so that the pressure in the cylinder barrel is unchanged, and the pressure in the cylinder barrel of the gas spring cannot be adjusted;
in conclusion, how to adjust the pressure in the cylinder of the gas spring becomes a problem which needs to be solved urgently by researchers in the field.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: how to realize the adjustability of the pressure in the cylinder of the gas spring;
in order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model relates to a gas spring capable of being repeatedly charged and discharged, which comprises: a cylinder barrel; the piston is movably arranged in the cylinder barrel; a piston rod fixed to the piston and having an end portion thereof extended out of the cylinder; the inflatable and deflatable mechanism is arranged at the tail part of the cylinder barrel; when the inflatable and deflatable mechanism is in a closed state, the cylinder barrel is isolated from the outside air; when the inflatable and deflatable mechanism is in an open state, the cylinder barrel is communicated with the outside air and is suitable for inflating or deflating the cylinder barrel;
in the scheme, the pressure in the cylinder barrel is adjustable by arranging the chargeable and dischargeable mechanism at the tail part of the cylinder barrel; when the charging and discharging mechanism is in a closed state, the cylinder barrel is isolated from outside air, and the air pressure in the cylinder barrel is kept unchanged; when the charging and discharging mechanism is in an opening state, the cylinder barrel is communicated with the outside air, and the cylinder barrel can be inflated or deflated at the moment, so that the air pressure in the cylinder barrel can be adjusted.
In order to explain the specific structure of the inflatable and deflatable mechanism, the inflatable and deflatable mechanism adopted by the utility model comprises: a step hole which is arranged at the bottom of the cylinder barrel in a penetrating way; the outer wall of the spring sleeve is in threaded connection with the inner wall of the large-diameter section of the stepped hole, and a chamber communicated with the cylinder barrel and the stepped hole is arranged in the spring sleeve; the ejector rod penetrates through the spring sleeve and the step hole; the baffle is fixed on the ejector rod; the spring is sleeved on the ejector rod and positioned in the cavity, and the end part of the spring is respectively abutted against the spring sleeve and the baffle plate; the sealing element is fixed on the ejector rod and is suitable for abutting against the end face of the stepped hole to seal the stepped hole;
in the scheme, the spring sleeve is fixedly connected with the step hole through threads, a spring is arranged on the spring sleeve, the spring sleeve is arranged on the ejector rod, one end of the spring sleeve abuts against the baffle, the other end of the spring sleeve abuts against the spring seat, and at the moment, a sealing element fixed on the ejector rod abuts against the end face of the step hole under the action of the spring, so that the cylinder barrel is isolated from outside air; when needing to fill and release air, the ejector rod is moved under the action of external force, so that the sealing piece is separated from the end face of the step hole, and the cylinder barrel is communicated with the outside at the moment, thereby facilitating the regulation of air pressure in the cylinder barrel.
In order to limit the ejector rod to only do linear motion during motion, the guide sleeve is fixed on the outer side of the spring sleeve; the guide sleeve and the spring sleeve are coaxially arranged; one end of the ejector rod penetrates through the guide sleeve;
one end of the ejector rod is erected on the guide sleeve and is suitable for linear motion along the guide sleeve, and the sealing element is acted on the end face of the step hole under the uniform acting force of the spring.
The utility model has the beneficial effects that: the utility model relates to a gas spring capable of being repeatedly charged and discharged, in the scheme, a chargeable and dischargeable mechanism is arranged at the tail part of a cylinder barrel to realize the adjustment of the pressure in the cylinder barrel; when the charging and discharging mechanism is in a closed state, the cylinder barrel is isolated from outside air, and the air pressure in the cylinder barrel is kept unchanged; when the charging and discharging mechanism is in an opening state, the cylinder barrel is communicated with the outside air, and the cylinder barrel can be inflated or deflated at the moment, so that the air pressure in the cylinder barrel can be adjusted.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view at A of FIG. 1;
in the figure: 1-cylinder barrel, 2-piston, 3-piston rod, 4-step hole, 5-spring sleeve, 6-chamber, 7-ejector rod, 8-baffle, 9-spring, 10-sealing element and 12-guide sleeve.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, the present invention is a gas spring that is re-inflatable and deflatable, comprising: a cylinder barrel 1; the piston 2 is movably arranged in the cylinder barrel 1; a piston rod 3 fixed to the piston 2 and having an end portion thereof extended out of the cylinder 1; the inflatable and deflatable mechanism is arranged at the tail part of the cylinder barrel 1; when the inflatable and deflatable mechanism is in a closed state, the cylinder barrel 1 is isolated from the outside air; when the inflatable and deflatable mechanism is in an open state, the cylinder barrel 1 is communicated with the outside air and is suitable for inflating or deflating the cylinder barrel 1;
in the scheme, the pressure in the cylinder barrel is adjustable by arranging the chargeable and dischargeable mechanism at the tail part of the cylinder barrel; when the charging and discharging mechanism is in a closed state, the cylinder barrel is isolated from outside air, and the air pressure in the cylinder barrel is kept unchanged; when the charging and discharging mechanism is in an opening state, the cylinder barrel is communicated with the outside air, and the cylinder barrel can be inflated or deflated at the moment, so that the air pressure in the cylinder barrel can be adjusted.
As shown in FIG. 2, in order to illustrate the specific structure of the inflatable and deflatable mechanism, the inflatable and deflatable mechanism adopted by the present invention comprises: a step hole 4 which is arranged at the bottom of the cylinder barrel 1 in a penetrating way; the outer wall of the spring sleeve 5 is in threaded connection with the inner wall of the large-diameter section of the stepped hole 4, and a chamber 6 for communicating the cylinder barrel 1 with the stepped hole 4 is arranged in the spring sleeve; the ejector rod 7 penetrates through the spring sleeve 5 and the step hole 4; the baffle 8 is fixed on the ejector rod 7; the spring 9 is sleeved on the ejector rod 7 and is positioned in the cavity 6, and the end parts of the spring 9 are respectively abutted against the spring sleeve 5 and the baffle plate 8; the sealing element 10 is fixed on the ejector rod 7 and is suitable for abutting against the end face of the stepped hole 4 to seal the stepped hole 4;
in the scheme, the spring sleeve is fixedly connected with the step hole through threads, a spring is arranged on the spring sleeve, the spring sleeve is arranged on the ejector rod, one end of the spring sleeve abuts against the baffle, the other end of the spring sleeve abuts against the spring seat, and at the moment, a sealing element fixed on the ejector rod abuts against the end face of the step hole under the action of the spring, so that the cylinder barrel is isolated from outside air; when needing to fill and release air, the ejector rod is moved under the action of external force, so that the sealing piece is separated from the end face of the step hole, and the cylinder barrel is communicated with the outside at the moment, thereby facilitating the regulation of air pressure in the cylinder barrel.
As shown in fig. 2, in order to limit the ejector rod to move only in a straight line, a guide sleeve 12 is fixed on the outer side of a spring sleeve 5; the guide sleeve 12 and the spring sleeve 5 are coaxially arranged; one end of the mandril 7 passes through the guide sleeve 12;
one end of the ejector rod is erected on the guide sleeve and is suitable for linear motion along the guide sleeve, and the sealing element is acted on the end face of the step hole under the uniform acting force of the spring.
The utility model relates to a gas spring capable of being repeatedly charged and discharged, in the scheme, a chargeable and dischargeable mechanism is arranged at the tail part of a cylinder barrel to realize the adjustment of the pressure in the cylinder barrel; when the charging and discharging mechanism is in a closed state, the cylinder barrel is isolated from outside air, and the air pressure in the cylinder barrel is kept unchanged; when the charging and discharging mechanism is in an opening state, the cylinder barrel is communicated with the outside air, and the cylinder barrel can be inflated or deflated at the moment, so that the air pressure in the cylinder barrel can be adjusted.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. A gas spring that is re-inflatable and deflatable, comprising:
a cylinder barrel;
the piston is movably arranged in the cylinder barrel;
a piston rod fixed to the piston and having an end portion thereof extended out of the cylinder;
the inflatable and deflatable mechanism is arranged at the tail part of the cylinder barrel;
when the inflatable and deflatable mechanism is in a closed state, the cylinder barrel is isolated from the outside air;
when the inflatable and deflatable mechanism is in an open state, the cylinder barrel is communicated with outside air and is suitable for inflating or deflating the cylinder barrel.
2. A re-inflatable and deflatable gas spring as set forth in claim 1, wherein said inflatable and deflatable mechanism comprises:
a step hole which is arranged at the bottom of the cylinder barrel in a penetrating way;
the outer wall of the spring sleeve is in threaded connection with the inner wall of the large-diameter section of the stepped hole, and a chamber communicated with the cylinder barrel and the stepped hole is arranged in the spring sleeve;
the ejector rod penetrates through the spring sleeve and the step hole;
the baffle is fixed on the ejector rod;
the spring is sleeved on the ejector rod and positioned in the cavity, and the end part of the spring is respectively abutted against the spring sleeve and the baffle plate;
and the sealing element is fixed on the ejector rod and is suitable for abutting against the end surface of the stepped hole to seal the stepped hole.
3. A re-inflatable/deflatable gas spring as recited in claim 2, wherein a guide sleeve is fixed to an outer side of said spring sleeve;
the guide sleeve and the spring sleeve are coaxially arranged;
one end of the ejector rod penetrates through the guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122283065.XU CN215805936U (en) | 2021-09-18 | 2021-09-18 | Gas spring capable of being repeatedly charged and discharged |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122283065.XU CN215805936U (en) | 2021-09-18 | 2021-09-18 | Gas spring capable of being repeatedly charged and discharged |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215805936U true CN215805936U (en) | 2022-02-11 |
Family
ID=80164818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122283065.XU Active CN215805936U (en) | 2021-09-18 | 2021-09-18 | Gas spring capable of being repeatedly charged and discharged |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215805936U (en) |
-
2021
- 2021-09-18 CN CN202122283065.XU patent/CN215805936U/en active Active
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