CN217401535U - Air spring with supporting rod speed control mechanism - Google Patents
Air spring with supporting rod speed control mechanism Download PDFInfo
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- CN217401535U CN217401535U CN202221157000.9U CN202221157000U CN217401535U CN 217401535 U CN217401535 U CN 217401535U CN 202221157000 U CN202221157000 U CN 202221157000U CN 217401535 U CN217401535 U CN 217401535U
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- cavity
- sealing ring
- speed control
- piston
- supporting rod
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Abstract
The utility model relates to an air spring with bracing piece speed control mechanism, include: the device comprises a cylinder body, a supporting rod, a piston, a positioning ring, an opening sealing ring, a cavity sealing ring, an oil storage sleeve, a guide sleeve, pressure gas and grease. The mechanism is as follows: a piston with a speed control hole and an exhaust groove is fixed at one end of a support rod which axially reciprocates along the inner cavity of the cylinder, a cavity sealing ring is slidably arranged on the piston and divides the inner cavity of the cylinder into an upper air cavity and a lower air cavity, and a valve mechanism is formed by the cavity sealing ring and the exhaust groove; when the supporting rod extends out, the sealing ring of the cavity closes the valve, and the gas in the upper gas cavity slowly enters the lower gas cavity through the speed control hole to control the extending speed of the supporting rod; when the supporting rod retracts, the valve is opened by the cavity sealing ring, and gas in the lower gas cavity rapidly enters the upper gas cavity through the exhaust groove, so that the supporting rod is rapidly reset. The utility model discloses the mechanism is reliable, when being applied to apron opening device, can effective control apron's switching speed, improves commodity nature and security.
Description
Technical Field
The utility model relates to the field of machinary, especially, relate to a be applied to apron or door plant switching device's air spring.
Background
When existing air spring was applied to the switching device of door plant or apron, because lack effective firm bracing piece speed control mechanism, when apron or door plant were opened, the personal safety was influenced to speed is too fast or speed is unstable, reduces the commodity nature of using.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bracing piece speed control mechanism's air spring just in order to solve above-mentioned problem. In order to achieve the above purpose, the utility model provides a following technical scheme:
a gas spring having a support rod speed control mechanism, comprising: the device comprises a cylinder, a support rod, a piston, a positioning ring, an opening sealing ring, a cavity sealing ring, an oil storage sleeve, a guide sleeve, pressure gas and grease; one end of the cylinder body is closed, and the other end of the cylinder body is opened; the guide sleeve, the opening sealing ring, the oil storage sleeve, the positioning ring, the piston and the cavity sealing ring are sequentially arranged in the cylinder body; one end of the supporting rod stretches into the cylinder body, the guide sleeve, the opening sealing ring, the oil storage sleeve and the positioning ring are all sleeved on the supporting rod, the piston reaches the cavity sealing ring is arranged at one end of the supporting rod stretching into the cylinder body: the cavity sealing ring is slidably sleeved on the annular groove of the piston, the inner cavity for dividing the cylinder is provided with an upper air cavity and a lower air cavity, the piston is provided with a speed control hole penetrating through the upper air cavity and the lower air cavity, and the annular groove of the piston is provided with an exhaust groove.
Furthermore, the upper and lower mouth sealing rings are respectively arranged on two sides of the oil storage sleeve, the mouth sealing rings and the cavity of the oil storage sleeve form a sealed oil storage area, and pressure gas in the cylinder is sealed at the same time.
Further, the oil storage sleeve is provided with a hollow cavity, and the grease is filled in the cavity and used for lubricating the sealing ring at the opening.
Furthermore, the positioning ring is fixedly connected with the cylinder and used for limiting the stroke end of the supporting rod.
Further, the holding ring is provided with the recess, the inboard of barrel is provided with the arch, the arch with the recess cooperation sets up, and the holding ring is fixed in on the barrel through this cooperation.
Furthermore, the upper and lower air cavities of the cylinder are filled with pressure air.
After the cylinder is filled with pressure gas, the supporting rod extends under the action of pressure, the cavity sealing ring moves along the direction opposite to the direction in which the supporting rod extends, the exhaust groove on the piston is closed, the gas in the upper gas cavity slowly enters the lower gas cavity through the speed control hole, and the extending speed of the supporting rod is controlled; when the supporting rod retracts, the cavity sealing ring moves along the direction opposite to the retracting direction of the supporting rod to open the air exhaust groove in the piston, and air in the lower air cavity quickly enters the upper air cavity through the air exhaust groove, so that the supporting rod is quickly reset. The size of the aperture of the speed control hole directly influences the extending speed of the supporting rod, the apertures of various specifications can be set, and the appropriate aperture is selected according to the specific speed requirement.
Has the beneficial effects that: will the utility model discloses when being applied to mechanical device's apron or door plant, calculate according to the weight of apron or door plant and the installation layout of air spring, choose the fast hole of accuse in suitable specification aperture for use, can control the opening speed of door plant or apron effectively.
Drawings
Fig. 1 is a perspective view of the device of the present invention.
Fig. 2 is a cross-sectional view of the device of the present invention.
Fig. 3 is an enlarged view of the piston section of the device of the present invention in the retracted state of the support rod.
Fig. 4 is an enlarged view of the piston section of the device of the present invention in the extended state of the support rod.
Fig. 5 is a cross-sectional enlarged view of the oil storage sleeve of the device of the present invention.
Fig. 6 is a schematic diagram of the piston of the device of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited to the embodiments, and all similar mechanisms and similar variations thereof adopted by the present invention should be included in the protection scope of the present invention.
A gas spring having a support rod speed control mechanism as shown in fig. 1-6, comprising: the device comprises a cylinder body (2), a support rod (1), a piston (7), a positioning ring (6), an opening sealing ring (5), a cavity sealing ring (8), an oil storage sleeve (4), a guide sleeve (3), pressure gas and grease. One end of the cylinder body (2) is closed, and the other end is opened. The guide sleeve (3), the opening sealing ring (5), the oil storage sleeve (4), the positioning ring (6), the piston (7) and the cavity sealing ring (8) are sequentially arranged in the cylinder body (2). One end of the supporting rod (1) extends into the cylinder body (2), the guide sleeve (3), the opening sealing ring (5), the oil storage sleeve (4) and the positioning ring (6) are all sleeved on the supporting rod (1), and the piston (7) and the cavity sealing ring (8) are arranged at one end of the supporting rod (1) extending into the cylinder body (2). The chamber sealing ring (8) is slidably sleeved on a ring groove (703) of the piston (7), the inner cavity of the split cylinder body (2) is provided with an upper air cavity (201) and a lower air cavity (202), the piston (7) is provided with a speed control hole (701) penetrating through the upper and lower air cavities, and the ring groove (703) of the piston (7) is provided with an exhaust groove (702).
Preferably, as shown in fig. 5, the mouth seal rings (5) are attached to both sides of the oil reservoir sleeve (4) one above the other. The mouth sealing ring (5) and the cavity of the oil storage sleeve (4) form a closed oil storage area, and meanwhile, the pressure gas in the cylinder body (2) is sealed.
Preferably, as shown in fig. 5, the oil storage sleeve (4) is provided with a hollow cavity (401), and grease is filled in the cavity (401) and used for lubricating the mouth sealing ring (5).
Preferably, as shown in fig. 5, the positioning ring (6) is fixedly connected with the cylinder (2) and used for limiting the stroke end of the supporting rod.
Preferably, as shown in fig. 5, the positioning ring (6) is provided with a groove (601), the inner side of the cylinder (2) is provided with a protrusion (203), the protrusion (203) is matched with the groove (601), and the positioning ring (6) is fixed on the cylinder (2) through the matching.
As shown in fig. 2, the upper air chamber (201) and the lower air chamber (202) of the cylinder (2) are filled with pressurized air.
After the cylinder body (2) is filled with pressure gas, as shown in fig. 4, the supporting rod (1) extends out under the action of pressure, the chamber sealing ring (8) moves along the direction opposite to the direction in which the supporting rod (1) extends out, the exhaust groove (702) on the piston (7) and the passage of the lower air cavity (202) are closed, the gas in the upper air cavity (201) slowly enters the lower air cavity (202) through the speed control hole (701), and the extending speed of the supporting rod (1) is controlled. As shown in figure (3), when the supporting rod (1) retracts, the chamber sealing ring (8) moves along the direction opposite to the retracting direction of the supporting rod (1), the exhaust groove (702) on the communicating piston (7) is communicated with the passage of the lower air cavity (202), and the air in the lower air cavity (202) rapidly enters the upper air cavity (201) through the exhaust groove (702), so that the supporting rod (1) is rapidly reset. The size of the aperture of the speed control hole (701) directly influences the extension speed of the support rod (1), the apertures of various specifications can be set, and the appropriate aperture is selected according to the specific speed requirement.
To sum up, the utility model discloses can solve the difficult problem of control of air spring bracing piece speed effectively, can improve security and commodity nature that the air spring used on mechanical device.
Claims (6)
1. A gas spring having a support rod speed control mechanism, comprising: the device comprises a cylinder, a support rod, a piston, a positioning ring, an opening sealing ring, a cavity sealing ring, an oil storage sleeve, a guide sleeve, pressure gas and grease; one end of the cylinder body is closed, and the other end of the cylinder body is opened; the guide sleeve, the opening sealing ring, the oil storage sleeve, the positioning ring, the piston and the cavity sealing ring are sequentially arranged in the cylinder body; the one end of bracing piece is stretched into in the barrel, uide bushing, oral area sealing washer, oil storage cover, holding ring are all overlapped on the bracing piece, the piston reaches the cavity sealing washer sets up the bracing piece stretches into the inside one end of barrel, its characterized in that: the cavity sealing ring is slidably sleeved on the annular groove of the piston, the inner cavity for dividing the cylinder is provided with an upper air cavity and a lower air cavity, the piston is provided with a speed control hole penetrating through the upper air cavity and the lower air cavity, and the annular groove of the piston is provided with an exhaust groove.
2. A gas spring having a support rod speed control mechanism as claimed in claim 1, wherein: the mouth sealing rings are respectively arranged at the upper side and the lower side of the oil storage sleeve.
3. A gas spring having a support rod speed control mechanism as set forth in claim 1, wherein: the oil storage sleeve is provided with a hollow cavity, and the grease is filled in the cavity.
4. A gas spring having a support rod speed control mechanism as claimed in claim 1, wherein: the positioning ring is fixedly connected with the cylinder body.
5. A gas spring having a support rod speed control mechanism as set forth in claim 1, wherein: the locating ring is provided with a groove, the inner side of the barrel is provided with a protrusion, and the protrusion is matched with the groove.
6. A gas spring having a support rod speed control mechanism as set forth in claim 1, wherein: the upper and lower air cavities of the cylinder are filled with pressure gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221157000.9U CN217401535U (en) | 2022-05-16 | 2022-05-16 | Air spring with supporting rod speed control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221157000.9U CN217401535U (en) | 2022-05-16 | 2022-05-16 | Air spring with supporting rod speed control mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217401535U true CN217401535U (en) | 2022-09-09 |
Family
ID=83144421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221157000.9U Active CN217401535U (en) | 2022-05-16 | 2022-05-16 | Air spring with supporting rod speed control mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217401535U (en) |
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2022
- 2022-05-16 CN CN202221157000.9U patent/CN217401535U/en active Active
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