CN109114067B - Oil cylinder structure - Google Patents
Oil cylinder structure Download PDFInfo
- Publication number
- CN109114067B CN109114067B CN201811117775.1A CN201811117775A CN109114067B CN 109114067 B CN109114067 B CN 109114067B CN 201811117775 A CN201811117775 A CN 201811117775A CN 109114067 B CN109114067 B CN 109114067B
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- Prior art keywords
- working medium
- port
- cavity
- communicated
- cylinder
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- 238000007789 sealing Methods 0.000 claims abstract description 51
- 230000008602 contraction Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000004512 die casting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/202—Externally-operated valves mounted in or on the actuator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The invention discloses an oil cylinder structure, which comprises a large cylinder left cover assembly, a large cylinder outer sleeve, a large cylinder right cover assembly, a small cylinder outer sleeve and a small cylinder right cover assembly which are sequentially connected from left to right, wherein a first telescopic rod penetrates through a first through hole to extend into a pipe cavity of the large cylinder outer sleeve, the first telescopic rod is in sliding sealing connection with the large cylinder left cover assembly, a first piston is arranged on the right side of the first telescopic rod, a first working medium port communicated with a first working medium cavity is arranged on the large cylinder left cover assembly, a fourth working medium port communicated with a second working medium cavity is arranged on the large cylinder right cover assembly, a third working medium port is arranged on the second working medium channel, and a second working medium port communicated with the first working medium channel is arranged on the first telescopic rod. The invention has various using modes, and can realize different working medium ports by connecting different working medium ports. The invention is used for realizing the action of engineering machinery.
Description
Technical Field
The invention relates to the field of engineering machinery, in particular to an oil cylinder structure.
Background
Many engineering machines can use the air cylinder and the oil cylinder, but the existing air cylinder and the air cylinder can not realize the actions of quick expansion and slow expansion due to the structure of the air cylinder and the oil cylinder because the stress area of the piston is constant. Therefore, the application scenes of the air cylinder and the oil cylinder are greatly limited, and the existing air cylinder and oil cylinder are difficult to cope with complex application scenes.
Disclosure of Invention
The invention aims to solve the technical problems that: the cylinder and oil cylinder structure can cope with complex application scenes.
The invention solves the technical problems as follows:
A cylinder and oil cylinder structure comprises a big cylinder left cover assembly, a big cylinder outer sleeve, a big cylinder right cover assembly, a small cylinder outer sleeve and a small cylinder right cover assembly which are sequentially connected from left to right, wherein a first through hole is arranged on the big cylinder left cover assembly, a second through hole is arranged on the big cylinder right cover assembly, a third through hole is arranged on the small cylinder right cover assembly, a first telescopic rod is arranged in the first through hole, the first telescopic rod penetrates through the first through hole to extend into a pipe cavity of the big cylinder outer sleeve, the first telescopic rod is in sliding sealing connection with the big cylinder left cover assembly, a first piston is arranged on the right side of the first telescopic rod, the first piston is in sliding sealing connection with the pipe cavity of the big cylinder outer sleeve, a first working medium cavity is arranged between the first piston and the big cylinder left cover assembly, a first working medium port communicated with the first working medium cavity is arranged on the big cylinder outer sleeve or the big cylinder left cover assembly, a first working medium passage is arranged in the first telescopic rod, the first piston is internally provided with an installation cavity, the installation cavity is internally provided with a cartridge valve, a C port of the cartridge valve is communicated with a first working medium channel, a B port of the cartridge valve is communicated with the first working medium cavity, the first piston is fixedly connected with a second sleeve rod, the outer peripheral wall of the second sleeve rod is in sliding sealing connection with a second through hole, a second working medium cavity is arranged between the first piston and a large cylinder right cover component, the second working medium cavity is communicated with an A port of the cartridge valve, a third fixed rod is arranged in a pipe cavity of an outer sleeve of the small cylinder, the left side of the third fixed rod is in sliding sealing connection with the pipe cavity of the second sleeve rod, a second working medium channel is arranged in the third fixed rod, the second channel is mutually isolated from the second working medium cavity, the right side of the third fixed rod is in sealing connection with the small cylinder right cover component, a third working medium port is arranged on the second working medium channel, an extending gap for extending in of a second sleeve rod is arranged between the cavity wall of the cavity of the small cylinder outer sleeve and the outer wall of the third fixed rod, the second sleeve rod is in sliding sealing connection with the large cylinder right cover assembly, and a second working medium port communicated with the first working medium passage is formed in the first telescopic rod.
As a further improvement of the scheme, a fifth working medium port communicated with the extending gap is arranged on the small cylinder outer sleeve or the small cylinder right cover assembly.
As the further improvement of above-mentioned scheme, cartridge valve includes slider, thrust spring, and the cartridge valve still includes the overcoat that has A mouth, B mouth, C mouth, and C mouth, A mouth set up respectively in the left end of overcoat, right-hand member, and B mouth is established on the mantle wall of overcoat, and the overcoat is established between first telescopic link and installation cavity right side cavity wall, is equipped with in the overcoat the slider, thrust spring establishes between slider, first telescopic link, and the left side of overcoat, right side all installs cavity sealing connection, and B mouth is established at the middle part of overcoat, is equipped with first sealing portion on the overcoat, is equipped with the second sealing portion on the slider, and first sealing portion is hard to hard seal under thrust spring's thrust with the second sealing portion, first sealing portion all establishes on the right side of B mouth with the second sealing portion.
As a further improvement of the above, the first sealing portion is wire-sealed with the second sealing portion.
As a further improvement of the scheme, the rapid contraction working medium pump further comprises a rapid contraction working medium passage for communicating the first working medium port with the fourth working medium port, and a working medium pump for supplying working medium to the first working medium port is arranged on the rapid contraction working medium passage.
As the further improvement of above-mentioned scheme, still include the working medium bin, still include the fast contraction working medium passageway that communicates first working medium mouth, fourth working medium mouth through the cartridge valve, be equipped with the working medium pump that supplies the working medium to first working medium mouth on the fast contraction working medium passageway, first working medium mouth, fourth working medium mouth pass through the cartridge valve intercommunication, fourth working medium mouth is connected with the valve of closing, second working medium mouth, third working medium mouth and working medium bin intercommunication.
As a further improvement of the scheme, the rapid mold opening working medium channel for communicating the third working medium port and the fourth working medium port through the cartridge valve is further included, a working medium pump for supplying working medium to the third working medium port is arranged on the rapid mold opening working medium channel, and the fourth working medium port is connected with the closed valve.
As a further improvement of the scheme, the hydraulic system further comprises a working medium storage box, the second working medium port is communicated with the working medium storage box, and the first working medium port is connected with the closed valve.
As a further improvement of the scheme, the intelligent water heater further comprises a working medium storage box, wherein a third working medium port is connected with a working medium pump, both the second working medium port and the fourth working medium port are communicated with the working medium storage box, and the first working medium port is connected with a closed valve.
As a further improvement of the scheme, the device further comprises a working medium storage box, wherein the first working medium port and the second working medium port are both connected with the working medium pump, and the third working medium port and the fourth working medium port are communicated with the working medium storage box.
The beneficial effects of the invention are as follows: the invention has various use modes, such as: the second working medium port is communicated with high-pressure work, so that the cartridge valve is closed, and meanwhile, the fourth working medium port and the third working medium port are communicated with working media, so that the first telescopic rod can rapidly extend to the left, and the first telescopic rod can slowly extend to the left only when one of the fourth working medium port and the third working medium port is communicated with high-pressure working media. Similarly, the first working medium port and the second working medium port are simultaneously filled with high-pressure working medium, so that the first telescopic rod can be quickly contracted to the right, and when one of the first working medium port and the second working medium port is filled with high-pressure working medium, the first telescopic rod is slowly contracted to the right, and under the condition, the fourth working medium port is intermittently filled with high-pressure oil, the cartridge valve can be intermittently opened, and the first telescopic rod is intermittently contracted to the right or at different speeds. This allows the invention to be used in a variety of applications. The invention is used for realizing the action of engineering machinery.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the invention, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic view of a first telescopic rod according to an embodiment of the present invention;
FIG. 2 is a schematic view showing the structure of the first telescopic rod according to the embodiment of the present invention;
FIG. 3 is a schematic diagram of a cartridge valve according to an embodiment of the present invention.
Detailed Description
The conception, specific structure, and technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present invention. It is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present invention based on the embodiments of the present invention. In addition, all coupling/connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to the fact that a more optimal coupling structure may be formed by adding or subtracting coupling aids depending on the particular implementation. The technical features of the invention can be interactively combined on the premise of no contradiction and conflict.
Referring to fig. 1 to 3, this is an embodiment of the present invention, in particular:
The cylinder and oil cylinder structure comprises a large cylinder left cover assembly 111, a large cylinder outer sleeve 112, a large cylinder right cover assembly 113, a small cylinder outer sleeve 114 and a small cylinder right cover assembly 115 which are sequentially connected from left to right, wherein a first through hole is arranged on the large cylinder left cover assembly 111, a second through hole is arranged on the large cylinder right cover assembly 113, a third through hole is arranged on the small cylinder right cover assembly 115, a first telescopic rod 121 is arranged in the first through hole, the first telescopic rod 121 penetrates through the first through hole and stretches into a tube cavity of the large cylinder outer sleeve 112, the first telescopic rod 121 is connected with the large cylinder left cover assembly 111 in a sliding sealing manner, a first piston 131 is arranged on the right side of the first telescopic rod 121, The first piston 131 is in sliding sealing connection with the pipe cavity of the large cylinder outer sleeve 112, a first working medium cavity 141 is arranged between the first piston 131 and the large cylinder left cover assembly 111, a first working medium port 151 communicated with the first working medium cavity 141 is arranged on the large cylinder outer sleeve 112 or the large cylinder left cover assembly 111, a first through working medium channel 161 is arranged in the first telescopic rod 121, an installation cavity is arranged in the first piston 131, a cartridge valve 17 is arranged in the installation cavity, a C port of the cartridge valve 17 is communicated with the first through working medium channel 161, a B port of the cartridge valve 17 is communicated with the first working medium cavity 141, the first piston 131 is fixedly connected with a second sleeve 122, The outer peripheral wall of the second sleeve rod 122 is in sliding sealing connection with the second through hole, a second working medium cavity 142 is arranged between the first piston 131 and the large cylinder right cover component 113, the second working medium cavity 142 is communicated with an A port of the cartridge valve 17, a third fixed rod 132 is arranged in the cavity of the small cylinder outer sleeve 114, the left side of the third fixed rod 132 is in sliding sealing connection with the cavity of the second sleeve rod 122, a second working medium channel 162 is arranged in the third fixed rod 132, the second working medium channel 162 is mutually isolated from the second working medium cavity 142, a fourth working medium port 154 communicated with the second working medium cavity 142 is arranged on the large cylinder right cover component 113, the right side of the third fixed rod 132 is in sealing connection with the small cylinder right cover component 115, the second working medium channel 162 is provided with a third working medium port 153, an extending gap for the second sleeve rod 122 to extend in is arranged between the cavity wall of the cavity of the small cylinder outer sleeve 114 and the outer wall of the third fixed rod 132, the second sleeve rod 122 is in sliding sealing connection with the large cylinder right cover assembly 113, and the first telescopic rod 121 is provided with a second working medium port 152 communicated with the first working medium channel 161. The invention has various use modes, such as: the second working medium port is communicated with high-pressure work, so that the cartridge valve is closed, and meanwhile, the fourth working medium port and the third working medium port are communicated with working media, so that the first telescopic rod can rapidly extend to the left, and the first telescopic rod can slowly extend to the left only when one of the fourth working medium port and the third working medium port is communicated with high-pressure working media. Similarly, the first working medium port and the second working medium port are simultaneously led with high-pressure working medium, so that the first telescopic rod can be quickly contracted to the right, and when one of the first working medium port and the second working medium port is led with high-pressure working medium, the first telescopic rod is slowly contracted to the right, and under the condition, the fourth working medium port is intermittently led with high-pressure oil, so that the first telescopic rod is intermittently contracted to the right or different speeds. This allows the invention to be used in a variety of applications. For example, injection molding machines, many of the existing injection molding machines and die casting machines adopt a mechanical die locking structure, but the mechanical die locking structure cannot realize the effects of high-pressure die locking and high-pressure die opening. The high-pressure die locking can provide good pressure maintaining capability, can provide power for movable components in the die, and can provide power for the movable components in the die by the same high-pressure die opening, but the technology can be realized by adopting the technology of the invention. The whole of this embodiment is fixed to an injection molding machine or a die casting machine, and then the first telescopic rod is connected to the movable plate. The working medium in this embodiment is hydraulic oil.
Let cartridge valve 17 include slider 172, thrust spring 173, cartridge valve 17 still includes overcoat 171 that has a mouth, B mouth, C mouth, and A mouth sets up respectively in the left end, the right-hand member of overcoat 171, and the mouth is established on the mantle wall of overcoat 171, and overcoat 171 is established between first telescopic link 121 and installation cavity right side chamber wall, is equipped with in the overcoat 171 slider 172, thrust spring 173 establishes between slider, first telescopic link 121, and the left side of overcoat 171 all installs chamber sealing connection, and the mouth is established at the middle part of overcoat 171, is equipped with first sealing portion on the overcoat 171, is equipped with the second sealing portion on the slider 172, and first sealing portion is hard to hard seal under thrust spring 173's thrust with the second sealing portion, first sealing portion all establishes on the right side of mouth with the second sealing portion. The first sealing part and the second sealing part are sealed in a hard-to-hard mode, sealing parts of the two sealing components which are abutted against each other are made of hard materials, and the embodiment particularly adopts better wire sealing connection. So that it has the following operating conditions:
fast mode locking state:
still include the working medium storage box, still include the quick shrink working medium passageway through cartridge valve 17 with first working medium mouth 151, fourth working medium mouth 154 intercommunication, be equipped with the working medium pump that supplies the working medium to first working medium mouth 151 on the quick shrink working medium passageway, first working medium mouth 151, fourth working medium mouth 154 are through cartridge valve 17 intercommunication, fourth working medium mouth 154 is connected with the valve of closing, second working medium mouth 152, third working medium mouth 153 and working medium storage box intercommunication. At the moment, the cartridge valve is opened, and the working media in the first working medium cavity and the second working medium cavity can be rapidly transferred, so that the mold can be rapidly locked. The working substances of the second working substance port 152 and the third working substance port 153 are allowed to flow into the storage tank.
Quick mould opening state:
the rapid mold opening working medium channel is communicated with the third working medium port 153 and the fourth working medium port 154 through the cartridge valve 17, and a working medium pump for supplying working medium to the third working medium port 153 is arranged on the rapid mold opening working medium channel, and the fourth working medium port 154 is connected with a closed valve. The cartridge valve of this embodiment is the line seal, so can open automatically under the high pressure of first working medium chamber, just so can realize a small amount of working medium leakage, and the cartridge valve opens this moment, and the working medium of first working medium intracavity gets into in the second working medium passageway under the effect of oil pump fast, just so has realized quick mould opening.
The embodiment further includes a working medium storage box, so that in the fast mold opening state, the second working medium port 152 is communicated with the working medium storage box, the working medium of the second working medium port 152 flows into the working medium storage box, and the first working medium port 151 is connected with the closed valve.
High-pressure die opening state:
The working medium storage box is further included, a third working medium port 153 is connected with a working medium pump, a second working medium port 152 and a fourth working medium port 154 are both communicated with the working medium storage box, and a first working medium port 151 is connected with a closed valve. Because the first working medium port 151 closes the third working medium port 153 and can forcedly push the first telescopic rod 121 to the left, the cartridge valve of the embodiment is linear-sealed, so that the cartridge valve can be automatically opened under the high pressure of the first working medium cavity, and a small amount of working medium leakage can be realized, thereby realizing slow and high-pressure die sinking, and the high pressure of the port B enables the sliding block to be opened, which is an original in the field and skillfully utilizes the principle that the linear sealing is easy to occur under the high pressure.
High-pressure mode locking state:
The device further comprises a working medium storage box, wherein the first working medium port 151 and the second working medium port 152 are both connected with a working medium pump, and the third working medium port 153 and the fourth working medium port 154 are communicated with the working medium storage box. The first working medium port 151 and the second working medium port 152 simultaneously feed high-pressure oil, the cartridge valve is closed, the stress area of the first piston is increased, and the fourth working medium port can only drain oil passively, so that the first telescopic rod acts slowly, but the mold locking force is large.
A fifth fluid port 155 is provided on the small cylinder outer sleeve 114 or small cylinder right cap assembly 115 in communication with the extending gap. And high-pressure oil is independently introduced into the fifth working medium port 155, so that the movement speed of the first telescopic rod is higher due to smaller extending gap.
While the preferred embodiment of the present application has been described in detail, the present application is not limited to the embodiments described above, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present application, and these equivalent modifications and substitutions are intended to be included in the scope of the present application as defined in the appended claims.
Claims (8)
1. The utility model provides an hydro-cylinder structure, includes from left to right big jar left side lid subassembly (111), big jar outer tube (112), big jar right side lid subassembly (113), little jar outer tube (114), little jar right side lid subassembly (115), its characterized in that connects gradually: a first through hole is arranged on the big cylinder left cover component (111), a second through hole is arranged on the big cylinder right cover component (113), a third through hole is arranged on the small cylinder right cover component (115), a first telescopic rod (121) is arranged in the first through hole, the first telescopic rod (121) penetrates through the first through hole to extend into the pipe cavity of the big cylinder outer sleeve (112), the first telescopic rod (121) is in sliding sealing connection with the big cylinder left cover component (111), The right side of the first telescopic rod (121) is provided with a first piston (131), the first piston (131) is in sliding sealing connection with a pipe cavity of a large cylinder outer sleeve (112), a first working medium cavity (141) is arranged between the first piston (131) and a large cylinder left cover assembly (111), a first working medium port (151) communicated with the first working medium cavity (141) is arranged on the large cylinder outer sleeve (112) or the large cylinder left cover assembly (111), a first working medium channel (161) is arranged in the first telescopic rod (121), an installation cavity is arranged in the first piston (131), a cartridge valve (17) is arranged in the installation cavity, a C port of the cartridge valve (17) is communicated with the first working medium channel (161), The port B of the cartridge valve (17) is communicated with a first working medium cavity (141), a first piston (131) is fixedly connected with a second loop bar (122), the outer peripheral wall of the second loop bar (122) is in sliding sealing connection with a second through hole, a second working medium cavity (142) is arranged between the first piston (131) and a large cylinder right cover assembly (113), the second working medium cavity (142) is communicated with the port A of the cartridge valve (17), a third fixed bar (132) is arranged in the cavity of a small cylinder outer sleeve (114), the left side of the third fixed bar (132) is in sliding sealing connection with the cavity of the second loop bar (122), a second working medium channel (162) is arranged in the third fixed bar (132), The second working medium channel (162) is isolated from the second working medium cavity (142), a fourth working medium port (154) communicated with the second working medium cavity (142) is arranged on the large cylinder right cover assembly (113), the right side of the third fixed rod (132) is in sealing connection with the small cylinder right cover assembly (115), a third working medium port (153) is arranged on the second working medium channel (162), an extending gap for the second sleeve rod (122) to extend in is arranged between the cavity wall of the small cylinder outer sleeve (114) and the outer wall of the third fixed rod (132), the second sleeve rod (122) is in sliding sealing connection with the large cylinder right cover assembly (113), and a second working medium port (152) communicated with the first working medium channel (161) is arranged on the first telescopic rod (121); the cartridge valve (17) comprises a sliding block (172) and a thrust spring (173), the cartridge valve (17) also comprises an outer sleeve (171) with an opening A, an opening B and an opening C, the opening C and the opening A are respectively arranged at the left end and the right end of the outer sleeve (171), the opening B is arranged on the sleeve wall of the outer sleeve (171), the outer sleeve (171) is arranged between a first telescopic rod (121) and the right side cavity wall of the installation cavity, the sliding block (172) is arranged in the outer sleeve (171), the thrust spring (173) is arranged between the sliding block (172) and the first telescopic rod (121), the left side and the right side of the outer sleeve (171) are respectively provided with the cavity for sealing connection, The port B is arranged in the middle of the outer sleeve (171), a first sealing part is arranged on the outer sleeve (171), a second sealing part is arranged on the sliding block (172), the first sealing part and the second sealing part are sealed hard to hard under the thrust of the thrust spring (173), and the first sealing part and the second sealing part are arranged on the right side of the port B; the device also comprises a rapid contraction working medium passage for communicating the first working medium port (151) with the fourth working medium port (154), and a working medium pump for supplying working medium to the first working medium port (151) is arranged on the rapid contraction working medium passage.
2. The cylinder structure according to claim 1, characterized in that: a fifth working medium port (155) communicated with the extending gap is arranged on the small cylinder outer sleeve (114) or the small cylinder right cover assembly (115).
3. The cylinder structure according to claim 1, characterized in that: the first sealing part is in linear sealing connection with the second sealing part.
4. A cylinder structure according to claim 1 or 3, characterized in that: the working medium storage box further comprises a rapid contraction working medium passage which is communicated with the first working medium port (151) and the fourth working medium port (154) through a cartridge valve (17), a working medium pump which supplies working medium to the first working medium port (151) is arranged on the rapid contraction working medium passage, the first working medium port (151) and the fourth working medium port (154) are communicated through the cartridge valve (17), the fourth working medium port (154) is connected with a closed valve, and the second working medium port (152), the third working medium port (153) and the working medium storage box are communicated.
5. A cylinder structure according to claim 1 or 3, characterized in that: the rapid mold opening working medium channel is provided with a working medium pump for supplying working medium to the third working medium port (153), and the fourth working medium port (154) is connected with a closed valve.
6. The cylinder structure according to claim 5, wherein: the working medium storage box is further included, the second working medium port (152) is communicated with the working medium storage box, and the first working medium port (151) is connected with the closed valve.
7. A cylinder structure according to claim 1 or 3, characterized in that: the device further comprises a working medium storage box, a third working medium port (153) is connected with the working medium pump, both the second working medium port (152) and the fourth working medium port (154) are communicated with the working medium storage box, and the first working medium port (151) is connected with the closed valve.
8. The cylinder structure according to claim 1, characterized in that: the device further comprises a working medium storage box, wherein the first working medium port (151) and the second working medium port (152) are both connected with the working medium pump, and the third working medium port (153) and the fourth working medium port (154) are communicated with the working medium storage box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811117775.1A CN109114067B (en) | 2018-09-21 | 2018-09-21 | Oil cylinder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811117775.1A CN109114067B (en) | 2018-09-21 | 2018-09-21 | Oil cylinder structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109114067A CN109114067A (en) | 2019-01-01 |
| CN109114067B true CN109114067B (en) | 2024-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811117775.1A Active CN109114067B (en) | 2018-09-21 | 2018-09-21 | Oil cylinder structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109114067B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209083716U (en) * | 2018-09-21 | 2019-07-09 | 仁兴机械（佛山）有限公司 | A kind of cylinder, cylinder structure |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2319344A1 (en) * | 1973-04-17 | 1974-11-07 | Jungheinrich & Co Maschf | DOUBLE-ACTING TELESCOPIC CYLINDER PISTON DEVICE |
| CA1180639A (en) * | 1980-11-12 | 1985-01-08 | Robert W. Brundage | Magnetically controlled fluid pressure device |
| DK1657452T3 (en) * | 2004-11-10 | 2008-01-07 | Festo Ag & Co | Pneumatic oscillator device |
| FR2920493A1 (en) * | 2007-08-27 | 2009-03-06 | Asco Joucomatic Sa Sa | Single-acting jack e.g. single acting linear displacement hydraulic jack, for e.g. bottle filling machine, has rod, whose output and reentry phases are controlled by external mechanical solicitation, imposed force and imposed displacement |
| CN201202703Y (en) * | 2008-04-03 | 2009-03-04 | 中山市钜通机电技术有限公司 | Double-stop air cylinder |
| KR100985469B1 (en) * | 2008-07-24 | 2010-10-05 | (주)팜코 | Air levitation type low-friction and high speed sealless cylinder |
| CN107471570B (en) * | 2017-06-24 | 2023-09-29 | 广东乐善智能装备股份有限公司 | Hybrid power driving cylinder capable of amplifying multiple driving force |
| CN207695590U (en) * | 2017-12-13 | 2018-08-07 | 仁兴机械（佛山）有限公司 | A kind of shooting supercharging device of die casting machine |
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2018
- 2018-09-21 CN CN201811117775.1A patent/CN109114067B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209083716U (en) * | 2018-09-21 | 2019-07-09 | 仁兴机械（佛山）有限公司 | A kind of cylinder, cylinder structure |
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| CN109114067A (en) | 2019-01-01 |
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