CN116357640A - Micro-feed control hydraulic cylinder - Google Patents
Micro-feed control hydraulic cylinder Download PDFInfo
- Publication number
- CN116357640A CN116357640A CN202310182044.XA CN202310182044A CN116357640A CN 116357640 A CN116357640 A CN 116357640A CN 202310182044 A CN202310182044 A CN 202310182044A CN 116357640 A CN116357640 A CN 116357640A
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- cylinder
- connector
- rod
- feed control
- control hydraulic
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- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 238000001125 extrusion Methods 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000010720 hydraulic oil Substances 0.000 abstract description 24
- 239000003921 oil Substances 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000004308 accommodation Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- F15B15/1428—Cylinders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L29/00—Joints with fluid cut-off means
- F16L29/02—Joints with fluid cut-off means with a cut-off device in one of the two pipe ends, the cut-off device being automatically opened when the coupling is applied
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/22—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts
- F16L37/23—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts by means of balls
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Actuator (AREA)
Abstract
The invention discloses a micro-feed control hydraulic cylinder, and relates to the technical field of hydraulic cylinders. The invention comprises a cylinder body mechanism, wherein a connecting mechanism is arranged on the cylinder body mechanism, and a sealing mechanism is arranged in the connecting mechanism; the cylinder body mechanism comprises a cylinder barrel, an end cover arranged at the end part of the cylinder barrel, a guide rod fixedly connected to the end cover, a piston plate slidingly connected to the inner part of the cylinder barrel, and a piston rod fixedly connected to the piston plate. According to the invention, through the structures such as the first connector, the second connector and the valve core, the external hydraulic oil pipeline and the cylinder barrel can be quickly connected or detached, so that the quick overhaul of the oil pipeline is facilitated, the operation steps are simplified, the installation time is saved, and the sealing performance between the first connector and the second connector can be enhanced during connection through the structures such as the extrusion rod, the extrusion block, the telescopic rod and the second sealing ring, the leakage of hydraulic oil is avoided, and the normal expansion of the piston rod is influenced.
Description
Technical Field
The invention relates to the technical field of hydraulic cylinders, in particular to a micro-feed control hydraulic cylinder.
Background
The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). The hydraulic cylinder has simple structure and reliable operation, and can avoid the speed reducer when being used for realizing reciprocating motion, and has no transmission clearance and stable motion, thereby being widely applied to hydraulic systems of various machines. The hydraulic cylinder basically consists of a cylinder barrel, a cylinder cover, a piston and a piston rod. At present, the hydraulic cylinder is mainly locked by plugging hydraulic oil, when hydraulic oil is fed, an external oil way pipeline is needed to be connected, the oil way pipeline is generally connected by a conventional oil pipe buckle, the mounting and dismounting processes are tedious, time and labor are wasted, and therefore, the micro-feeding control hydraulic cylinder is provided.
Disclosure of Invention
The invention aims to provide a micro-feed control hydraulic cylinder which can be used for rapidly installing or detaching a hydraulic oil pipeline.
In order to achieve the above purpose, the present invention provides the following technical solutions: the micro-feed control hydraulic cylinder comprises a cylinder body mechanism, wherein a connecting mechanism is arranged on the cylinder body mechanism, and a sealing mechanism is arranged in the connecting mechanism;
the cylinder body mechanism comprises a cylinder barrel, an end cover arranged at the end part of the cylinder barrel, a guide rod fixedly connected to the end cover, a piston plate slidingly connected to the interior of the cylinder barrel, and a piston rod fixedly connected to the piston plate;
the connecting mechanism comprises a first connecting head fixedly connected to the side wall of the cylinder barrel, a first diversion channel arranged in the first connecting head, a second connecting head movably connected to the first connecting head, a second diversion channel arranged in the second connecting head, a mounting seat arranged in the second diversion channel, a valve core slidingly connected to the mounting seat, a first elastic piece sleeved on the outer surface of the valve core, a first sealing ring fixedly connected to the side wall of the valve core, a second elastic piece sleeved on the outer surface of the second connecting head, a limiting ring sleeved on the outer surface of the second connecting head and steel balls arranged on the side wall of the second connecting head;
the sealing mechanism comprises a containing cavity formed in the second connector, an extrusion block slidingly connected to the inner wall of the containing cavity, an extrusion rod slidingly connected to the inner wall of the containing cavity, a telescopic rod slidingly connected to the inner wall of the containing cavity, a second sealing ring fixedly connected to one end of the telescopic rod and a third elastic piece sleeved on the telescopic rod.
Further, the number of the end covers is two, and the two end covers are fixedly connected with the cylinder barrel through bolts.
Further, the piston plate and the cylinder barrel are mutually matched, and a sealing gasket is arranged on the piston plate.
Further, a guide groove matched with the guide rod is formed in the piston rod.
Furthermore, a diversion hole is formed in the mounting seat.
Further, a first sealing groove matched with the first sealing ring is formed in the side wall of the second diversion channel.
Further, a limiting hole matched with the steel ball is formed in the side wall of the first connector.
Further, a fixing ring is fixedly connected to the inner wall of the limiting ring, and a fixing groove matched with the fixing ring is formed in the side wall of the first connector.
Further, the extrusion rod and the telescopic rod penetrate through the accommodating cavity.
Further, the outer surface of the extrusion rod is sleeved with a fourth elastic piece.
The invention has at least the following beneficial effects:
1. according to the invention, through the mutual matching of the structures such as the first connector, the second connector, the valve core, the limiting ring and the like, the hydraulic oil pipeline and the cylinder barrel can be quickly connected or detached, so that the quick overhaul of the oil pipeline is convenient, the operation steps are simplified, and the installation time is saved.
2. According to the invention, through the mutual matching of the structures such as the extrusion rod, the extrusion block, the telescopic rod, the second sealing ring and the like, the sealing performance between the first connector and the second connector can be enhanced during connection, hydraulic oil leakage is avoided, and the normal expansion and contraction of the piston rod are influenced.
3. According to the invention, through the mutual matching of the structures such as the fixed ring, the fixed groove, the steel ball, the limiting hole and the like, the connection strength between the first connector and the second connector can be enhanced, and the stability is improved.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view showing the connection state of the first connector according to the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present invention;
FIG. 4 is a schematic cross-sectional view showing a first connector of the present invention in a disconnected state;
fig. 5 is a schematic perspective view of the valve core structure of the present invention.
Reference numerals:
100. a cylinder mechanism; 101. a cylinder; 102. an end cap; 103. a guide rod; 104. a piston plate; 105. a piston rod; 106. a guide groove;
200. a connecting mechanism; 201. a first connector; 202. a first flow directing channel; 203. a second connector; 204. a second flow directing channel; 205. a mounting base; 206. a valve core; 207. a first elastic member; 208. a first seal ring; 209. a second elastic member; 210. a limiting ring; 211. steel balls; 212. a deflector aperture; 213. a first seal groove; 214. a limiting hole; 215. a fixing ring; 216. a fixing groove;
300. a sealing mechanism; 301. a receiving chamber; 302. extruding a block; 303. an extrusion rod; 304. a telescopic rod; 305. a second seal ring; 306. a third elastic member; 307. a fourth elastic member; 308. and a second seal groove.
Detailed Description
The following description of the technical solutions in the embodiments of the present disclosure will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments in this disclosure without inventive faculty, are intended to fall within the scope of this disclosure.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a micro-feed control pneumatic cylinder, including cylinder body mechanism 100, be provided with coupling mechanism 200 on the cylinder body mechanism 100, be provided with sealing mechanism 300 in the coupling mechanism 200, utilize the cylinder body mechanism 100 of setting, can drive piston rod 105 and extend or shrink, and utilize coupling mechanism 200 of setting, can carry out quick connect or dismantle outside hydraulic oil pipeline and cylinder 101, not only be convenient for overhaul the oil circuit pipeline fast, still be convenient for simplify the operating procedure, and utilize sealing mechanism 300 of setting, can strengthen sealing performance between first connector 201 and the second connector 203, avoid hydraulic oil to reveal the normal flexible that influences piston rod 105.
The cylinder mechanism 100 comprises a cylinder 101, an end cover 102 arranged at the end part of the cylinder 101, a guide rod 103 fixedly connected to the end cover 102, a piston plate 104 slidably connected to the inside of the cylinder 101, and a piston rod 105 fixedly connected to the piston plate 104, wherein a guide groove 106 matched with the guide rod 103 is formed in the inside of the piston rod 105, so that the piston rod 105 can be guided when moving.
It should be noted that the number of the end caps 102 is two, and the two end caps 102 are fixedly connected with the cylinder 101 through bolts, and a through hole adapted to the piston rod 105 is formed in the middle of one end cap 102.
Further, the piston plate 104 and the cylinder 101 are mutually matched, and the sealing gasket is arranged on the piston plate 104, so that the sealing property between the piston plate 104 and the cylinder 101 can be enhanced by using the sealing gasket, and the normal expansion and contraction of the piston plate 104 and the piston rod 105 are prevented from being influenced by hydraulic oil penetrating through the piston plate 104.
In addition, the connection mechanisms 200 are provided in two groups, and are respectively installed at two ends of the cylinder 101, and are mainly used for respectively introducing hydraulic oil into the cylinder 101 to control the extension or contraction of the piston plate 104.
Specifically, as shown in fig. 1, the connecting mechanism 200 is externally connected with a hydraulic oil pipeline, hydraulic oil is introduced into the bottom end of the cylinder 101, so that the piston plate 104 can move upwards, and the piston rod 105 can extend out of the cylinder 101 at this time; when the piston rod 105 is contracted when needed, hydraulic oil is introduced into the top end of the cylinder 101, the hydraulic oil above the piston plate 104 presses the piston plate 104, the hydraulic oil below the piston plate 104 is discharged, and the piston rod 105 can be contracted downwards.
The connecting mechanism 200 comprises a first connecting head 201 fixedly connected to the side wall of the cylinder 101, a first diversion channel 202 formed in the first connecting head 201, a second connecting head 203 movably connected to the first connecting head 201, a second diversion channel 204 formed in the second connecting head 203, a mounting seat 205 mounted in the second diversion channel 204, a valve core 206 slidingly connected to the mounting seat 205, and a first elastic piece 207 sleeved on the outer surface of the valve core 206, wherein one end of the first elastic piece 207 is fixedly connected to the mounting seat 205, the other end is fixedly connected to the valve core 206, the valve core 206 is conveniently driven to reset, a first sealing groove 213 matched with the first sealing ring 208 is formed in the side wall of the valve core 206, a second elastic piece 209 sleeved on the outer surface of the second connecting head 203, and a limiting ring 210 sleeved on the outer surface of the second connecting head 203 are formed in the side wall of the second diversion channel 204, one end of the second elastic piece 209 is fixedly connected to the limiting ring 210, the other end is fixedly connected to the second connecting head 203, and the limiting ring 210 is conveniently driven to reset, and the steel balls 211 are mounted on the side wall 203 of the second connecting head.
It should be noted that, as shown in fig. 2, the first connector 201 and the second connector 203 are mutually matched, a limiting hole 214 matched with the steel ball 211 is formed on a side wall of the first connector 201, and when the steel ball 211 is clamped into the limiting hole 214, the first connector 201 can be limited and fixed.
Further, a diversion hole 212 is formed in the mounting seat 205, and hydraulic oil is conveniently circulated by using the diversion hole 212.
On the other hand, the inner wall of the limiting ring 210 is fixedly connected with a fixing ring 215, and a fixing groove 216 matched with the fixing ring 215 is formed on the side wall of the first connector 201, so that the fixing effect between the first connector 201 and the second connector 203 can be enhanced conveniently by utilizing the fixing ring 215 and the fixing groove 216.
Specifically, when the external hydraulic oil pipeline needs to be connected, the limiting ring 210 is moved first, so that the limiting ring 210 extrudes the second elastic piece 209, then the second connector 203 connected to the external pipeline is clamped into the first connector 201, then the limiting ring 210 is loosened, the limiting ring 210 is driven to extrude the steel balls 211 under the action of the second elastic piece 209, so that the steel balls 211 are clamped into the limiting holes 214, the first connector 201 and the second connector 203 are effectively fixed, meanwhile, the top end of the first connector 201 extrudes the valve core 206 after clamping, the valve core 206 extrudes the first elastic piece 207 and is separated from the second guide channel 204, so that the first guide channel 202 is communicated with the second guide channel 204, the external hydraulic oil pipeline is quickly connected with or detached from the cylinder 101, the quick maintenance of the oil pipeline is facilitated, the operation steps are simplified, and when the disassembly is needed, as shown in fig. 4, the limiting ring 210 is pushed again, so that the steel balls 211 are separated from the limiting holes 214, and the second connector 203 is separated from the first connector 201.
The sealing mechanism 300 is a plurality of, and a plurality of sealing mechanism 300 encircle and lay on the second connector 203, sealing mechanism 300 is including seting up at the inside accommodation chamber 301 of second connector 203, sliding connection is at the extrusion piece 302 of accommodating on the inner wall of chamber 301, the both sides of extrusion piece 302 all are provided with the inclined plane, and set up the guide rail with extrusion piece 302 looks adaptation on the lateral wall of accommodation chamber 301, utilize the guide rail to be convenient for to the direction of movement of extrusion piece 302, sliding connection is at the extrusion piece 303 of accommodating on the inner wall of chamber 301, the one end of extrusion piece 303 is provided with the gyro wheel, be convenient for reduce the frictional force between extrusion piece 303 and the extrusion piece 302, sliding connection is at the telescopic link 304 on the inner wall of accommodation chamber 301, fixed connection is at the second sealing ring 305 of telescopic link 304 one end, set up on the lateral wall of first connector 201 with the second seal groove 308 of second sealing ring 305 looks adaptation, the third elastic component 306 of cover on the telescopic link 304, utilize the third elastic component 306, be convenient for drive telescopic link 304 resets.
It should be noted that, the extrusion rod 303 and the telescopic rod 304 penetrate through the accommodating cavity 301, the extrusion rod 303 and the telescopic rod 304 are both provided with sliding plates, the side wall of the accommodating cavity 301 is both provided with sliding grooves matched with the sliding plates, and the sliding blocks and the sliding grooves are utilized to support and guide the extrusion rod 303 and the telescopic rod 304 when moving, so that the stability of the extrusion rod is enhanced when moving.
Further, the outer surface of the extrusion rod 303 is sleeved with a fourth elastic member 307, one end of the fourth elastic member 307 is fixedly connected to the sliding plate, the other end of the fourth elastic member 307 is fixedly connected to the inner wall of the accommodating cavity 301, and elastic potential energy provided by the fourth elastic member 307 is utilized to conveniently drive the extrusion rod 303 to reset.
Specifically, as shown in fig. 3, when the second connector 203 is clamped into the first connector 201, the first connector 201 pushes the extrusion rod 303 to move, then the extrusion rod 303 extrudes the extrusion block 302 to move, when the extrusion block 302 moves, the expansion rod 304 is extruded, so that the expansion rod 304 extends, and when a plurality of expansion rods 304 extend simultaneously, the second sealing ring 305 is driven to extend and be clamped into the second sealing groove 308, so that the sealing performance between the first connector 201 and the second connector 203 is enhanced, hydraulic oil leakage is avoided, and the normal expansion of the piston rod 105 is affected.
The application principle or flow of the invention is as follows: when the hydraulic sealing device is required to be used, the limiting ring 210 is moved firstly, the limiting ring 210 extrudes the second elastic piece 209, then the second connector 203 connected to the external pipeline is clamped into the first connector 201, then the limiting ring 210 is loosened, the limiting ring 210 is driven to extrude the steel balls 211 under the action of the second elastic piece 209, so that the steel balls 211 are clamped into the limiting holes 214, the first connector 201 and the second connector 203 can be effectively fixed, the top end of the first connector 201 also extrudes the valve core 206 while being clamped into the limiting holes, the valve core 206 extrudes the first elastic piece 207 and is separated from the second guide channel 204, the first guide channel 202 is communicated with the second guide channel 204, the external hydraulic oil pipeline can be rapidly connected with the cylinder 101, the first connector 201 can push the extrusion rod 303 to move while the second connector 203 is clamped into the first connector 201, then the extrusion rod 302 is extruded to move, the expansion rod 304 is extruded when the extrusion rod 302 moves, the expansion rod 304 is extruded, the expansion rod 207 can be simultaneously extruded out of the second connector 203 and the bottom end of the cylinder 101 through the sealing groove 101, and the expansion rod is extended out of the cylinder rod 101, and the expansion joint is extended into the cylinder rod 101 is sealed by the sealing plate 105; when the piston rod 105 is contracted when needed, hydraulic oil is introduced into the top end of the cylinder 101, the hydraulic oil above the piston plate 104 presses the piston plate 104, the hydraulic oil below the piston plate 104 is discharged, and the piston rod 105 can be contracted downwards.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances. When an element is referred to as being "mounted," "secured" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Claims (10)
1. The micro-feed control hydraulic cylinder comprises a cylinder body mechanism (100), and is characterized in that a connecting mechanism (200) is arranged on the cylinder body mechanism (100), and a sealing mechanism (300) is arranged in the connecting mechanism (200);
the cylinder body mechanism (100) comprises a cylinder barrel (101), an end cover (102) arranged at the end part of the cylinder barrel (101), a guide rod (103) fixedly connected to the end cover (102), a piston plate (104) slidingly connected to the interior of the cylinder barrel (101), and a piston rod (105) fixedly connected to the piston plate (104);
the connecting mechanism (200) comprises a first connecting head (201) fixedly connected to the side wall of the cylinder barrel (101), a first diversion channel (202) formed in the first connecting head (201), a second connecting head (203) movably connected to the first connecting head (201), a second diversion channel (204) formed in the second connecting head (203), a mounting seat (205) mounted in the second diversion channel (204), a valve core (206) slidingly connected to the mounting seat (205), a first elastic piece (207) sleeved on the outer surface of the valve core (206), a first sealing ring (208) fixedly connected to the side wall of the valve core (206), a second elastic piece (209) sleeved on the outer surface of the second connecting head (203), a limiting ring (210) sleeved on the outer surface of the second connecting head (203) and steel balls (211) mounted on the side wall of the second connecting head (203);
the sealing mechanism (300) comprises a containing cavity (301) formed in the second connector (203), an extrusion block (302) slidingly connected to the inner wall of the containing cavity (301), an extrusion rod (303) slidingly connected to the inner wall of the containing cavity (301), a telescopic rod (304) slidingly connected to the inner wall of the containing cavity (301), a second sealing ring (305) fixedly connected to one end of the telescopic rod (304), and a third elastic piece (306) sleeved on the telescopic rod (304).
2. A micro feed control hydraulic cylinder as claimed in claim 1, wherein: the number of the end covers (102) is two, and the two end covers (102) are fixedly connected with the cylinder barrel (101) through bolts.
3. A micro feed control hydraulic cylinder as claimed in claim 2, wherein: the piston plate (104) is mutually matched with the cylinder barrel (101), and a sealing gasket is arranged on the piston plate (104).
4. A micro feed control hydraulic cylinder as claimed in claim 2, wherein: a guide groove (106) matched with the guide rod (103) is formed in the piston rod (105).
5. The micro feed control hydraulic cylinder according to claim 4, wherein: and a diversion hole (212) is formed in the mounting seat (205).
6. A micro feed control hydraulic cylinder as claimed in claim 1, wherein: a first sealing groove (213) matched with the first sealing ring (208) is formed in the side wall of the second diversion channel (204).
7. The micro feed control hydraulic cylinder as set forth in claim 6, wherein: and a limiting hole (214) matched with the steel ball (211) is formed in the side wall of the first connector (201).
8. The micro feed control hydraulic cylinder as set forth in claim 7, wherein: the inner wall of the limiting ring (210) is fixedly connected with a fixing ring (215), and a fixing groove (216) matched with the fixing ring (215) is formed in the side wall of the first connector (201).
9. A micro feed control hydraulic cylinder as claimed in claim 1, wherein: the extrusion rod (303) and the telescopic rod (304) penetrate through the accommodating cavity (301).
10. The micro feed control hydraulic cylinder according to claim 9, wherein: the outer surface of the extrusion rod (303) is sleeved with a fourth elastic piece (307).
Priority Applications (1)
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CN202310182044.XA CN116357640A (en) | 2023-03-01 | 2023-03-01 | Micro-feed control hydraulic cylinder |
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CN202310182044.XA CN116357640A (en) | 2023-03-01 | 2023-03-01 | Micro-feed control hydraulic cylinder |
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CN116357640A true CN116357640A (en) | 2023-06-30 |
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CN202310182044.XA Pending CN116357640A (en) | 2023-03-01 | 2023-03-01 | Micro-feed control hydraulic cylinder |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116675763A (en) * | 2023-07-20 | 2023-09-01 | 世纪福鑫健康产业集团有限公司 | Separation device and separation method for collagen peptide production |
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2023
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116675763A (en) * | 2023-07-20 | 2023-09-01 | 世纪福鑫健康产业集团有限公司 | Separation device and separation method for collagen peptide production |
CN116675763B (en) * | 2023-07-20 | 2023-09-29 | 世纪福鑫健康产业集团有限公司 | Separation device and separation method for collagen peptide production |
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