CN218510072U - Explosion-proof nitrogen spring with safe type bush - Google Patents
Explosion-proof nitrogen spring with safe type bush Download PDFInfo
- Publication number
- CN218510072U CN218510072U CN202222893721.2U CN202222893721U CN218510072U CN 218510072 U CN218510072 U CN 218510072U CN 202222893721 U CN202222893721 U CN 202222893721U CN 218510072 U CN218510072 U CN 218510072U
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- piston rod
- close
- outer side
- nitrogen spring
- Prior art date
- 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.)
- Active
Links
Images
Abstract
The utility model discloses an explosion-proof nitrogen spring with a safe bushing, which comprises a cylinder body; a piston rod is installed inside the cylinder body, a safety bushing is installed on the outer side of the piston rod, an auxiliary mechanism is installed on the outer side, close to the piston rod, of the cylinder body, protection mechanisms are installed on two sides of the bottom in the cylinder body, and the auxiliary mechanism comprises a fixing ring, an oil injection hole and a protection pad; the utility model discloses an install complementary unit in the outside that the cylinder body is close to the piston rod, personnel pour into lubricating oil to solid fixed ring's inside through the oil filler hole, then lubricating oil can flow to the protection pad of one side, and the opposite side of protection pad contacts with the surface of piston rod, when the piston rod removes in the inside of cylinder body, can make the inside lubricating oil of protection pad directly paint the outside at the piston rod, thereby can not cause lubricating oil to drop extravagantly, also can not be because of the motion of lubricated insufficient influence piston rod simultaneously, and then the personnel's of being convenient for use.
Description
Technical Field
The utility model relates to a nitrogen spring technical field specifically is an explosion-proof nitrogen spring with safe type bush.
Background
The nitrogen spring is called die nitrogen spring or nitrogen cylinder for short, and is a new type elastic component using high-pressure nitrogen gas as working medium, it has the work which is difficult to implement by conventional elastic components of metal spring, rubber and air cushion, etc. and can simplify mould design and manufacture, and the nitrogen spring is generally formed from cylinder body and piston rod, etc.
By injecting nitrogen into the cylinder body and then moving the piston rod in the cylinder body, when the piston rod moves in the cylinder body for a long time, the outer wall of the piston rod and the inner wall of the cylinder body generate certain friction, but generally, lubricating oil is directly coated on the outer side of the piston rod, when the piston rod moves, the lubricating oil is easy to drop or fall off due to extrusion of the outer wall of the piston rod and the inner wall of the cylinder body, so that part of the lubricating oil is wasted, and meanwhile, the movement of the piston rod is influenced due to insufficient lubrication, and further the use of personnel is inconvenient;
through carrying nitrogen gas to the inside of cylinder body, then make the piston rod move in the inside of cylinder body, can lead to the piston rod to slide in the twinkling of an eye when nitrogen gas is aerifyd inadequately, then cause the damage in the bottom of piston rod can collide with the inside of cylinder body, and then can reduce nitrogen spring's life.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an explosion-proof nitrogen spring with safe type bush to the problem that causes the waste of partial lubricating oil that proposes in solving above-mentioned background art.
The utility model provides a following technical scheme: an explosion-proof nitrogen spring with a safe bushing comprises a cylinder body; a piston rod is arranged in the cylinder body, a safety bushing is arranged on the outer side of the piston rod, an auxiliary mechanism is arranged on the outer side of the cylinder body close to the piston rod, and protection mechanisms are arranged on two sides of the bottom in the cylinder body;
the auxiliary mechanism comprises a fixing ring, an oil hole and a protection pad, the fixing ring is installed on the outer side, close to the piston rod, of the cylinder body, the protection pad is arranged on the inner wall of the fixing ring, and the oil hole is formed in the fixing ring;
protection machanism includes guard plate, lug and buffer spring, the guard plate is installed to the both sides of bottom in the cylinder body, one side that the guard plate is close to the cylinder body inner wall is equipped with the lug, buffer spring is installed to the bottom of guard plate.
Preferably, the top of the piston rod is provided with a mounting hole, and the inside of the side surface of the piston rod is provided with a pressure relief groove.
Preferably, the cylinder body is provided with a groove in the inner part of one side close to the piston rod, and the bottom of the cylinder body is provided with an air conveying structure.
Preferably, an inner dust ring is arranged on the outer side of the piston rod, a safety bushing is connected to the outer side of the inner dust ring, and an outer sealing ring is arranged on the outer side of the bottom of the safety bushing.
Preferably, a guide groove is formed in one side, close to the protection plate, of the interior of the cylinder body, and a convex block is connected to the interior of the guide groove.
Preferably, the gas transmission structure comprises an inflation valve, a gas inlet hole and a bolt, the inflation valve is installed at the bottom of the cylinder body, the bolt is installed at one end of the inflation valve, and the gas inlet hole is formed in one side, close to the inflation valve, of the interior of the cylinder body.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an install complementary unit in the outside that the cylinder body is close to the piston rod, personnel pour into lubricating oil to solid fixed ring's inside through the oil filler hole, then lubricating oil can flow to the protection pad of one side, and the opposite side of protection pad contacts with the surface of piston rod, when the piston rod removes in the inside of cylinder body, can make the inside lubricating oil of protection pad directly paint the outside at the piston rod, thereby can not cause lubricating oil to drop extravagantly, also can not be because of the motion of lubricated insufficient influence piston rod simultaneously, and then the personnel's of being convenient for use.
2. The utility model discloses a protection machanism is installed to the both sides of bottom in the cylinder body, when the inside nitrogen gas of cylinder body aerifys not enough and leads to the piston rod to drop, the guard plate of one side can be extruded to the bottom of piston rod, the buffer spring of guard plate can compression bottom, the lug of guard plate one side can remove in the inside of guide way simultaneously, then can play the cushioning effect to the piston rod at guard plate top through the buffer spring motion, avoid the piston rod to cause the damage with the inside collision of cylinder body, and then can prolong nitrogen spring's life.
Drawings
Fig. 1 is a schematic front internal structure diagram of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of a partial enlarged structure of FIG. 1 according to the present invention;
fig. 4 is a schematic view of a partial enlarged structure of B in fig. 1 according to the present invention.
In the figure: 1. a cylinder body; 101. a groove; 102. a guide groove; 2. a piston rod; 201. mounting holes; 202. a pressure relief groove; 3. an auxiliary mechanism; 301. a fixing ring; 302. an oil filler hole; 303. a protection pad; 4. an outer seal ring; 5. a gas delivery structure; 501. an inflation valve; 502. an air intake; 503. a bolt; 6. a safety bushing; 7. an inner dust ring; 8. a protection mechanism; 801. a protection plate; 802. a bump; 803. a buffer spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
The technical scheme of the invention is further elaborated by combining the drawings and the specific embodiments in the specification;
the first embodiment is as follows:
the application provides an explosion-proof nitrogen spring with a safe type bush, which comprises a cylinder body 1; a piston rod 2 is arranged in the cylinder body 1, a safety bushing 6 is arranged on the outer side of the piston rod 2, an auxiliary mechanism 3 is arranged on the outer side of the cylinder body 1 close to the piston rod 2, and protection mechanisms 8 are arranged on two sides of the bottom in the cylinder body 1;
the auxiliary mechanism 3 comprises a fixing ring 301, an oil hole 302 and a protection pad 303, the fixing ring 301 is installed on the outer side, close to the piston rod 2, of the cylinder body 1, the protection pad 303 is arranged on the inner wall of the fixing ring 301, and the oil hole 302 is formed in the fixing ring 301;
specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, a person can inflate the inside of the cylinder body 1 with external nitrogen gas through the inflation valve 501 by opening the bolt 503, and then can cause the piston rod 2 to move inside the cylinder body 1, and the protection pad 303 is made of a sponge material, before use, the person injects lubricating oil into the inside of the fixing ring 301 through the oil injection hole 302, and then the lubricating oil can flow to the protection pad 303 on one side, and the other side of the protection pad 303 is in contact with the outer surface of the piston rod 2, when the piston rod 2 moves inside the cylinder body 1, the lubricating oil inside the protection pad 303 can be directly smeared outside the piston rod 2, so that the lubricating oil cannot be dropped and wasted, meanwhile, the movement of the piston rod 2 cannot be affected due to insufficient lubrication, and further the use of the person is facilitated.
Further, the top of the piston rod 2 is provided with a mounting hole 201, the inside of the side surface of the piston rod 2 is provided with a pressure relief groove 202, the inside of one side, close to the piston rod 2, of the cylinder body 1 is provided with a groove 101, the bottom of the cylinder body 1 is provided with an air conveying structure 5, the outer side of the piston rod 2 is provided with an inner dust ring 7, the outer side of the inner dust ring 7 is connected with a safety bushing 6, and the outer side of the bottom of the safety bushing 6 is provided with an outer sealing ring 4;
specifically, as shown in fig. 1, fig. 2 and fig. 3, the inner dustproof ring 7 and the outer dustproof ring 4 can play a role in sealing and dust prevention between the cylinder body 1 and the piston rod 2, after an external mold is in downward contact with the piston rod 2, the piston rod 2 can move downward, if an overtravel is caused due to a machine fault, the mold is in downward contact with the safety bushing 6, the safety bushing 6 can be extruded downward, then the outer dustproof ring 4 on the outer side of the safety bushing 6 can be pressed into the groove 101, at the moment, the pressure in the cylinder body 1 is released instantaneously through the pressure relief groove 202, and even if the mold forces the cylinder body 1 to be pressed downward, the risk of explosion of the cylinder body 1 can not be caused.
Further, the gas transmission structure 5 comprises an inflation valve 501, a gas inlet hole 502 and a bolt 503, the inflation valve 501 is installed at the bottom of the cylinder body 1, the bolt 503 is installed at one end of the inflation valve 501, and the gas inlet hole 502 is arranged at one side, close to the inflation valve 501, in the cylinder body 1;
specifically, as shown in fig. 1, a person can inflate external nitrogen gas into the cylinder 1 through the inflation valve 501 by opening the bolt 503, and then the gas can be delivered into the cylinder 1 through the inlet hole 502 on one side, so as to urge the piston rod 2 to move inside the cylinder 1.
The utility model discloses a be different from the first embodiment, the utility model also provides an embodiment two, be used for solving the aforesaid through carrying the inside to the cylinder body with nitrogen gas, then make the piston rod move in the inside of cylinder body, can lead to the piston rod to slide in the twinkling of an eye when nitrogen gas is aerifyd inadequately, then the bottom of piston rod can lead to the fact the damage in bumping with the inside of cylinder body, and then can reduce the life problem of nitrogen spring, the application discloses an explosion-proof nitrogen spring with safe type bush, protective mechanism 8 includes guard plate 801, lug 802 and buffer spring 803, guard plate 801 is installed to the both sides of bottom in cylinder body 1, one side that guard plate 801 is close to cylinder body 1 inner wall is equipped with lug 802, buffer spring 803 is installed to the bottom of guard plate 801, one side that cylinder body 1 is inside to be close to lug 801 is equipped with guide way 102, the internal connection of guide way 102 has lug 802;
specifically, as shown in fig. 1 and fig. 4, when insufficient nitrogen gas is filled inside the cylinder body 1 to cause the piston rod 2 to drop, the bottom end of the piston rod 2 can extrude the protection plate 801 on one side, the protection plate 801 can compress the buffer spring 803 on the bottom, and meanwhile, the lug 802 on one side of the protection plate 801 can move inside the guide groove 102, and the guide groove 102 can provide a guide effect for the lug 802 to move, and then the motion through the buffer spring 803 can play a buffering effect on the piston rod 2 on the top of the protection plate 801, so that the piston rod 2 is prevented from being damaged due to the internal collision with the cylinder body 1, and further, the service life of the nitrogen gas spring can be prolonged.
The working principle is as follows: the personnel are through opening bolt 503, can aerify the inside of cylinder body 1 through inflation valve 501 with outside nitrogen gas, then the gas can be defeated gas to the inside of cylinder body 1 through the inlet port 502 of one side, can make piston rod 2 remove in the inside of cylinder body 1, after external mould is down contact piston rod 2, piston rod 2 can be down, if lead to the overtravel because of machine fault, the mould is down contact safety bush 6, safety bush 6 can receive the extrusion down, then the outside outer seal ring 4 in the 6 outside of safety bush can press to the inside of recess 101, the pressure is released through pressure relief groove 202 in the twinkling of an eye in cylinder body 1 this moment.
Finally, it is to be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified and replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (6)
1. An explosion-proof nitrogen spring with a safe bushing comprises a cylinder body (1); the method is characterized in that: a piston rod (2) is installed inside the cylinder body (1), a safety bushing (6) is installed on the outer side of the piston rod (2), an auxiliary mechanism (3) is installed on the outer side, close to the piston rod (2), of the cylinder body (1), and protection mechanisms (8) are installed on two sides of the inner bottom of the cylinder body (1);
the auxiliary mechanism (3) comprises a fixing ring (301), an oil filling hole (302) and a protection pad (303), the fixing ring (301) is installed on the outer side, close to the piston rod (2), of the cylinder body (1), the protection pad (303) is arranged on the inner wall of the fixing ring (301), and the oil filling hole (302) is formed in the fixing ring (301);
protection machanism (8) are including guard plate (801), lug (802) and buffer spring (803), guard plate (801) are installed to the both sides of bottom in cylinder body (1), one side that guard plate (801) are close to cylinder body (1) inner wall is equipped with lug (802), buffer spring (803) are installed to the bottom of guard plate (801).
2. The explosion proof nitrogen spring with a safety liner as claimed in claim 1, wherein: the top of the piston rod (2) is provided with a mounting hole (201), and the inside of the side surface of the piston rod (2) is provided with a pressure relief groove (202).
3. The explosion proof nitrogen spring with a safety liner as claimed in claim 1, wherein: the cylinder body (1) is provided with a groove (101) in the side close to the piston rod (2), and the bottom of the cylinder body (1) is provided with a gas transmission structure (5).
4. The explosion proof nitrogen spring with a safety liner as claimed in claim 1, wherein: the outer side of the piston rod (2) is provided with an inner dustproof ring (7), the outer side of the inner dustproof ring (7) is connected with a safety bushing (6), and the outer side of the bottom of the safety bushing (6) is provided with an outer sealing ring (4).
5. The explosion proof nitrogen spring with a safety liner as claimed in claim 1, wherein: one side of the interior of the cylinder body (1) close to the protection plate (801) is provided with a guide groove (102), and a lug (802) is connected to the interior of the guide groove (102).
6. The explosion proof nitrogen spring with a safety liner of claim 3, wherein: the gas transmission structure (5) comprises an inflation valve (501), a gas inlet hole (502) and a bolt (503), the inflation valve (501) is installed at the bottom of the cylinder body (1), the bolt (503) is installed at one end of the inflation valve (501), and the gas inlet hole (502) is formed in one side, close to the inflation valve (501), of the inside of the cylinder body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222893721.2U CN218510072U (en) | 2022-10-31 | 2022-10-31 | Explosion-proof nitrogen spring with safe type bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222893721.2U CN218510072U (en) | 2022-10-31 | 2022-10-31 | Explosion-proof nitrogen spring with safe type bush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218510072U true CN218510072U (en) | 2023-02-21 |
Family
ID=85217277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222893721.2U Active CN218510072U (en) | 2022-10-31 | 2022-10-31 | Explosion-proof nitrogen spring with safe type bush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218510072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117588523A (en) * | 2024-01-17 | 2024-02-23 | 江苏科乐普汽车零部件有限公司 | Anti-slip vibration reduction bushing for automobile adjusting arm |
-
2022
- 2022-10-31 CN CN202222893721.2U patent/CN218510072U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117588523A (en) * | 2024-01-17 | 2024-02-23 | 江苏科乐普汽车零部件有限公司 | Anti-slip vibration reduction bushing for automobile adjusting arm |
| CN117588523B (en) * | 2024-01-17 | 2024-04-05 | 江苏科乐普汽车零部件有限公司 | Anti-slip vibration reduction bushing for automobile adjusting arm |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218510072U (en) | Explosion-proof nitrogen spring with safe type bush | |
| CN218093400U (en) | Liquid cooling sealing mechanism for reciprocating pump high-pressure cylinder | |
| CN112901699A (en) | Buffering element and power head buffering device with same | |
| CN213711253U (en) | Plunger pump | |
| CN215257110U (en) | Adjustable hydraulic cylinder | |
| CN213393288U (en) | Nitrogen spring overtravel safety structure | |
| CN215259135U (en) | Electric grease pump | |
| CN209990906U (en) | Sealing element for automobile crane | |
| CN112303041B (en) | Bellows accumulator structure | |
| CN210710222U (en) | Internally circulating buffer with gap oil return | |
| CN210660808U (en) | Die-casting hydraulic cylinder for injection molding equipment | |
| CN211259200U (en) | Oil cylinder system for mold | |
| CN215566983U (en) | Nitrogen return cylinder for plate shearing machine | |
| CN218207592U (en) | Triple protection structure of explosion-proof cylinder safety nitrogen spring | |
| CN216842971U (en) | Motorcycle starting gear | |
| CN220434977U (en) | Novel compressor cylinder | |
| CN218234747U (en) | Engineering machine tool covering strutting arrangement | |
| CN217233966U (en) | Sealed assembly anti-shear type hydraulic oil cylinder | |
| CN216554736U (en) | Buffering hydraulic cylinder | |
| CN214787895U (en) | Oil baffle ring for piston compressor | |
| CN216951090U (en) | Anti-leakage piston rod | |
| CN214945386U (en) | High-temperature-resistant buffer sealing element for pump truck main oil cylinder piston rod | |
| CN215636501U (en) | Project air storage tank with overvoltage protection function | |
| CN214378082U (en) | Oil buffer for circuit breaker | |
| CN214304636U (en) | Hydraulic press hydro-cylinder with mechanism trades oil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |