CN212482805U - A gas tightness detection device for nitrogen gas spring - Google Patents
A gas tightness detection device for nitrogen gas spring Download PDFInfo
- Publication number
- CN212482805U CN212482805U CN202020220071.3U CN202020220071U CN212482805U CN 212482805 U CN212482805 U CN 212482805U CN 202020220071 U CN202020220071 U CN 202020220071U CN 212482805 U CN212482805 U CN 212482805U
- Authority
- CN
- China
- Prior art keywords
- movable rod
- nitrogen spring
- bearing plate
- support columns
- protection
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The body comprises a hydraulic mechanism, a base, a containing cavity and a protection mechanism, wherein the containing cavity and the protection mechanism are arranged on the periphery of the base, an openable cover plate is arranged at the top of the containing cavity, the protection mechanism comprises support columns, a bearing plate, a first movable rod, a second movable rod, a third movable rod and a protection holding piece, the base is provided with two support columns, the bearing plate is arranged between the two support columns, the nitrogen spring applies pressure to the bearing plate while pressurizing through the linkage of the first movable rod, the second movable rod and the third movable rod, so that the protection holding piece can fix the nitrogen spring which is being detected, and the nitrogen spring is prevented from being deviated; a limiting block is arranged below the bearing plate, and when the protective holding piece is used for fixing the nitrogen spring, the bearing plate is limited, so that the protective mechanism is prevented from bearing too much pressure, and the service life of the equipment is prolonged.
Description
Technical Field
The utility model relates to a nitrogen spring technical field specifically is an air tightness detection device for nitrogen spring.
Background
The nitrogen spring special for the die is a novel elastic component taking high-pressure nitrogen as a working medium, has small volume, large elasticity, long stroke, stable work, precise manufacture, long service life (one million times), gentle elasticity curve, no need of pre-tightening and the like, has the work which is difficult to finish by conventional elastic components such as metal springs, rubber, air cushions and the like, simplifies the design and manufacture of the die, facilitates the installation and adjustment of the die, prolongs the service life of the die, ensures the stability of the product quality, can also be designed into a nitrogen spring system, is used as a part of the die to participate in the work, can conveniently realize the constant pressure and the delayed action in the system, and is a new generation of most ideal elastic component with the flexibility. But current nitrogen spring adopts the pressurized mode of hydraulic pressure when detecting the gas tightness, is not convenient for fix the nitrogen spring, and the easy skew of pressurization in-process is popped out, has the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the prior art, the utility model provides a following technical scheme: the gas tightness detection device for the nitrogen spring is characterized by comprising a body, wherein the body comprises a hydraulic mechanism, a base, a protection mechanism and a containing cavity, the containing cavity is arranged on the periphery of the base and is provided with an opening and closing cover plate at the top, the protection mechanism comprises support columns, a bearing plate, a first movable rod, a second movable rod, a third movable rod and a protection holding piece, the two support columns are arranged on the base, the bearing plate is arranged between the two support columns, the two ends of the bearing plate are hinged with the head ends of the two first movable rods, the middle section of the first movable rod is movably connected with the middle section of the support columns, the tail end of the first movable rod is hinged with the head end of the second movable rod, the tail end of the second movable rod is hinged with the head end of the third movable rod, the middle section of the third movable rod is hinged with the top ends of the support columns, the third movable rod tail end is articulated with the hinge piece that the protection was embraced a back and is set up, be provided with the water inlet on the apron, holding chamber bottom is equipped with the delivery port, hydraulic pressure mechanism is including the application of force pole, the apron is equipped with the through-hole, the application of force pole passes the through-hole is located directly over the bearing plate, the application of force pole with be equipped with nitrogen spring between the bearing plate.
Furthermore, an exchangeable limiting block is arranged below the pressure bearing plate, and the thickness of the limiting block is in direct proportion to the radius of the nitrogen spring.
Further, the contact surface that the piece was embraced in the protection with nitrogen spring is the arcwall face, just the piece is embraced in the protection with nitrogen spring's contact surface is equipped with elastic buffer plastic pad.
Furthermore, the accommodating cavity is made of a transparent pvc plate.
Furthermore, the whole protection mechanism is made of stainless steel.
Compared with the prior art, the beneficial effects of the utility model reside in that: through the protection mechanism, the nitrogen spring applies pressure to the pressure bearing plate while pressurizing, and through the linkage of the first movable rod, the second movable rod and the third movable rod, the protection holding piece can fix the detected nitrogen spring to prevent the nitrogen spring from deviating; a limiting block is arranged below the bearing plate, and when the protective holding piece is used for fixing the nitrogen spring, the bearing plate is limited, so that the protective mechanism is prevented from bearing too much pressure, and the service life of the equipment is prolonged.
Drawings
FIG. 1 is a schematic diagram of the novel structure of the present application;
Detailed Description
The following will explain the utility model by referring to the drawings, and the invention is further explained, a gas tightness detecting device for nitrogen spring, comprising a body 1, wherein the body 1 comprises a hydraulic mechanism 2, a base 3, a protection mechanism and a containing chamber 4 arranged around and above the base 3, the top of the containing chamber 4 is provided with a cover plate 6 which can be opened and closed, the protection mechanism comprises a support column 31, a bearing plate 32, a first movable rod 33, a second movable rod 34, a third movable rod 35 and a protection holding piece 36, two support columns 31 are arranged on the base 3, the bearing plate 32 is arranged between two support columns 31, two ends of the bearing plate 32 are hinged with the head ends of the two first movable rods 33, the middle section of the first movable rod 33 is movably connected with the support column 31, the tail end of the first movable rod 33 is hinged with the head end of the second movable rod 34, second movable rod 34 tail end with the third movable rod 35 head end is articulated, third movable rod 35 middle section with the support column 31 top is articulated, third movable rod 35 tail end with the protection is embraced the hinge spare that 36 backs of the body set up and is articulated, be provided with water inlet 62 on the apron 6, 4 bottoms in holding chamber are equipped with delivery port 41, hydraulic pressure mechanism 2 is including the application of force pole, apron 6 is equipped with through-hole 61, the application of force pole passes through-hole 61 is located directly over bearing plate 32, the application of force pole with be equipped with nitrogen spring between the bearing plate 32, the application of force pole in the course of the work application of force in on the nitrogen spring.
In specific implementation, the cover plate 6 is opened, the nitrogen springs are installed on the pressure bearing plates 32, the nitrogen springs are arranged between the protection mechanisms of the protection mechanisms, the cover plate 6 is covered, water is injected through the water inlet 62, the force application rods of the hydraulic mechanism 2 extend into the accommodating cavities 4 through the through holes 61 in the cover plate 6 and apply pressure to the nitrogen springs, so that the nitrogen springs apply pressure to the pressure bearing plates 32 to enable the pressure bearing plates 32 to sink, the tail ends of the first movable rods 33 are tilted to enable the second movable rods 34 to move upwards to enable the tail ends of the third movable rods 35 to sink, the space between the two protection holding pieces 36 is compressed, and the nitrogen springs are fixed in the horizontal direction to prevent the nitrogen springs from deviating when being compressed; further, an exchangeable limiting block 37 is arranged below the pressure bearing plate 32, the thickness of the limiting block 37 is in direct proportion to the radius of the nitrogen spring, when the nitrogen spring is fixed by the protective holding piece 36, the pressure bearing plate 32 is limited to prevent the protective mechanism from bearing too much pressure, and then whether bubbles are generated in water is observed; furthermore, the contact surface of the protective holding piece 36 and the nitrogen spring is an arc surface, and an elastic buffer plastic pad 38 is arranged on the contact surface of the protective holding piece 36 and the nitrogen spring, so that the surface of the nitrogen spring is prevented from being damaged, and when the limiting block 37 is selected to be inaccurate in thickness, the elastic buffer plastic pad 38 can also play a certain role in buffering; furthermore, the accommodating cavity 4 is made of a transparent pvc plate, so that whether bubbles are generated in water or not can be conveniently observed; further, the whole stainless steel that adopts of protection machanism, under the service environment that soaks for a long time, prevent the rust and corrosion, increase of service life, after the detection is accomplished, the accessible delivery port 41 is with the water discharge.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (5)
1. The gas tightness detection device for the nitrogen spring is characterized by comprising a body, wherein the body comprises a hydraulic mechanism, a base, a protection mechanism and a containing cavity, the containing cavity is arranged on the periphery of the base and is provided with an opening and closing cover plate at the top, the protection mechanism comprises support columns, a bearing plate, a first movable rod, a second movable rod, a third movable rod and a protection holding piece, the two support columns are arranged on the base, the bearing plate is arranged between the two support columns, the two ends of the bearing plate are hinged with the head ends of the two first movable rods, the middle section of the first movable rod is movably connected with the middle section of the support columns, the tail end of the first movable rod is hinged with the head end of the second movable rod, the tail end of the second movable rod is hinged with the head end of the third movable rod, the middle section of the third movable rod is hinged with the top ends of the support columns, the third movable rod tail end is articulated with the hinge piece that the protection was embraced a back and is set up, be provided with the water inlet on the apron, holding chamber bottom is equipped with the delivery port, hydraulic pressure mechanism is including the application of force pole, the apron is equipped with the through-hole, the application of force pole passes the through-hole is located directly over the bearing plate, the application of force pole with be equipped with nitrogen spring between the bearing plate.
2. The tightness detection device for the nitrogen spring as claimed in claim 1, wherein an exchangeable stopper is provided below the pressure plate, and the thickness of the stopper is proportional to the radius of the nitrogen spring.
3. The apparatus of claim 1, wherein a contact surface of the protective holding member and the nitrogen spring is an arc surface, and an elastic buffer plastic pad is disposed on the contact surface of the protective holding member and the nitrogen spring.
4. The tightness detection device for the nitrogen spring according to claim 1, wherein the accommodation chamber is made of a transparent pvc plate.
5. The tightness detection device for the nitrogen spring according to claim 1, wherein the protection mechanism is entirely made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020220071.3U CN212482805U (en) | 2020-02-27 | 2020-02-27 | A gas tightness detection device for nitrogen gas spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020220071.3U CN212482805U (en) | 2020-02-27 | 2020-02-27 | A gas tightness detection device for nitrogen gas spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212482805U true CN212482805U (en) | 2021-02-05 |
Family
ID=74415762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020220071.3U Expired - Fee Related CN212482805U (en) | 2020-02-27 | 2020-02-27 | A gas tightness detection device for nitrogen gas spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212482805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116735098A (en) * | 2023-08-15 | 2023-09-12 | 江苏菲瑞达模具科技有限公司 | Air tightness testing device for nitrogen spring |
-
2020
- 2020-02-27 CN CN202020220071.3U patent/CN212482805U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116735098A (en) * | 2023-08-15 | 2023-09-12 | 江苏菲瑞达模具科技有限公司 | Air tightness testing device for nitrogen spring |
| CN116735098B (en) * | 2023-08-15 | 2023-12-29 | 江苏菲瑞达模具科技有限公司 | Air tightness testing device for nitrogen spring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212482805U (en) | A gas tightness detection device for nitrogen gas spring | |
| CN207085895U (en) | A kind of fluorobenzene processing reactor with shock-absorbing function | |
| JPS5794626A (en) | Load cell damage preventing method and its device of compressive load measuring device | |
| CN201141814Y (en) | Compressive property testing jig for steady positive pressure material | |
| CN208183854U (en) | A kind of supply equipment dust guard | |
| CN216243284U (en) | Anti-seismic support that reliability is high | |
| CN107639587A (en) | Damper joint assembly tooling with safeguard structure | |
| CN208034553U (en) | A kind of cosmetics press flask structure | |
| CN212453071U (en) | Elastic damping connecting mechanism for building steel structure | |
| CN110423688B (en) | Portable cell incubator | |
| CN207449438U (en) | A kind of portable accounting seal | |
| CN209037469U (en) | A kind of fire-fighting charge of oil compartment of oil truck | |
| CN208866605U (en) | A kind of tear-off tin pull ring laser is endowed to use fixture and device | |
| CN207695579U (en) | A kind of auto parts sand mould casting pressing device | |
| CN210451544U (en) | Rubber tube valve welding is with being convenient for adjust support | |
| CN216645812U (en) | Elasticity testing arrangement is used in nitrogen gas spring detection | |
| CN204867692U (en) | A constant force mechanism for mask electrolytic machining | |
| CN206749719U (en) | A kind of automobile rear bumper being conveniently replaceable | |
| CN221098282U (en) | Liquefied natural gas buffer tank | |
| CN210893956U (en) | Concrete pressure test device | |
| CN219588012U (en) | Novel spring structure | |
| CN218543975U (en) | Multi-station perfluorohexanone automatic filling device | |
| CN210719723U (en) | Experimental tool for longitudinally placing composite plate spring suspension | |
| CN216438396U (en) | Low-temperature preservation device for male bovine semen | |
| CN205845967U (en) | Stable type back film of solar cell fixing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210205 |