CN110714943A - Two-stroke multistage supercharging cylinder - Google Patents
Two-stroke multistage supercharging cylinder Download PDFInfo
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- CN110714943A CN110714943A CN201910993846.2A CN201910993846A CN110714943A CN 110714943 A CN110714943 A CN 110714943A CN 201910993846 A CN201910993846 A CN 201910993846A CN 110714943 A CN110714943 A CN 110714943A
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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
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
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Abstract
The invention relates to a two-stroke multistage supercharging cylinder. The air cylinder comprises a piston rod, a front cylinder body, a middle cylinder body and a rear cylinder body which are sequentially connected together through end covers, wherein the piston rod comprises a front rod, a sleeve and a connecting rod; a front piston is arranged in the front cylinder body, a middle piston is arranged in the middle cylinder body, and a rear piston is arranged in the rear cylinder body. When the two-stroke multistage supercharging cylinder provided by the invention acts, firstly, the middle piston in the middle cylinder body advances to push the sleeve to move forwards, so as to drive the front rod to move forwards to complete a first stroke, and the sleeve is connected with the connecting rod through the separable connecting mechanism while the front rod completes the first stroke.
Description
Technical Field
The invention relates to the technical field of cylinders, in particular to a two-stroke multistage supercharging cylinder.
Background
The spot welding for automobile welding needs a cylinder with a large opening and a small opening, so that a welding tongs can freely enter and exit a gap between a welding clamping device and an automobile part in the large opening, and the welding can be stably carried out in the small opening. The cylinder needs to provide a time gap for the change of the opening of the welding tongs in the action process, meanwhile, the frequency of spot welding of the welding tongs is ensured, and the production cost is reduced, so that the two-stroke multi-stage supercharging cylinder is especially important.
Disclosure of Invention
The invention provides a two-stroke multistage supercharging cylinder aiming at the technical problems in the prior art, which can stop when a first stroke is completed, provides a time gap for a welding tongs to be opened into a large opening and can ensure high-frequency spot welding operation when the welding tongs are opened into a small opening.
The technical scheme for solving the technical problems is as follows: a two-stroke multistage supercharging cylinder comprises a piston rod, a front cylinder body, a middle cylinder body and a rear cylinder body which are sequentially connected together through end covers, wherein the piston rod comprises a front rod, a sleeve and a connecting rod; a front piston is arranged in the front cylinder body, a middle piston is arranged in the middle cylinder body, and a rear piston is arranged in the rear cylinder body; the front rod is positioned in the front cylinder body and penetrates out of a front end cover of the front cylinder body, the sleeve is positioned in the middle cylinder body and penetrates through the end cover to be connected with the tail of the front rod, the front piston is fixedly arranged on the front rod, the connecting rod penetrates through the front end cover of the rear cylinder body and extends into the sleeve, the connecting rod is connected with the sleeve through a separable connecting mechanism, the separable connecting mechanism is in a separated state when the piston rod moves in a first stroke, the separable connecting mechanism is in a connected state when the piston rod moves in a second stroke, the middle piston is sleeved on the connecting rod and can move relative to the connecting rod, the middle piston is positioned at the rear end of the sleeve and pushes the sleeve to move forwards, and the rear piston is fixed on the connecting rod; and the front cylinder body, the middle cylinder body and the rear cylinder body are all provided with an air inlet and an air outlet.
The invention has the beneficial effects that: when the two-stroke multistage supercharging cylinder provided by the invention acts, firstly, the middle piston in the middle cylinder body advances to push the sleeve to move forwards, so as to drive the front rod to move forwards to complete a first stroke, and the sleeve is connected with the connecting rod through the separable connecting mechanism while the front rod completes the first stroke.
Preferably, the separable connecting mechanism comprises a fixing hole arranged on the sleeve, a marble arranged in the fixing hole, a clamping groove arranged on the connecting rod and a marble pressing device, the sleeve drives the marble to move under the action of the middle piston, and when the sleeve finishes a first stroke, the marble enters the clamping groove and is pressed by the marble pressing device; when the sleeve returns to start the second stroke, the marble pressing device loosens the marble, and the marble is separated from the clamping groove under the driving of the sleeve.
Preferably, the inside of fixed orifices is cylindrical structure, and the outside is spherical structure, fixed orifices and marble clearance fit and the opening diameter of spherical structure upper end < the diameter of marble.
Preferably, the height of the fixing hole is 1/2 marble diameter, and the height of the cylindrical structure is equal to the sleeve thickness equal to 1/4 marble diameter.
Preferably, the connecting rod comprises a first body with a larger front end diameter and a second body with a smaller tail end diameter, and a clamping groove is formed between the first body and the second body.
Specifically, the intermediate cylinder body comprises an intermediate cylinder body I and an intermediate cylinder body II which are connected together through an end cover; the marble closing device is located in the middle of the cylinder body I, the middle piston is located in the middle of the cylinder body II, the marble closing device comprises a piston connecting sleeve, the piston connecting sleeve is arranged on the sleeve, the front end of the piston connecting sleeve is abutted to the end cover through a spring, the tail of the piston connecting sleeve is provided with an inclined plane, a sealed cavity is formed between the outer portion of the tail of the piston connecting sleeve and the end cover, and when the marble closing device is inflated into the sealed cavity, the spring is compressed.
Preferably, the connecting rod is of a hollow structure, a through hole is formed in the joint of the sleeve and the front rod, the tail of the connecting rod extends out of the rear piston, and gas in the front cylinder body can enter the rear cylinder body through the sleeve and the connecting rod to push the rear piston to move forwards.
Preferably, the sleeve is connected with the front rod through a front shaft, the front shaft comprises a solid small head and a hollow large head, an external thread is arranged on the solid small head, the front rod is fixed on the solid small head through a thread, an external thread is arranged on the hollow large head, the sleeve is fixed on the hollow large head through a thread, and the through hole is formed in the connection position of the solid small head and the hollow large head.
Preferably, still include the rear axle, the rear axle is hollow structure, the rear axle includes the body of hollow cylinder structure, the body afterbody of cylinder structure is provided with outside flange, and the connecting rod passes through the screw thread and installs on the rear axle, the back piston is installed on the rear axle, and the rear axle tip is located the rear side of back piston.
The front rod, the sleeve and the connecting rod are mounted through the front shaft and the rear shaft, and the mounting and the dismounting are convenient.
Preferably, still be provided with a plurality of pressure boost cylinder bodies between middle cylinder body and the back cylinder body, all be provided with the piston in a plurality of pressure boost cylinders, the connecting rod passes each pressure boost cylinder body in proper order, the piston is fixed on the connecting rod. A plurality of pistons are connected in series on the connecting rod in a series connection mode, the number of pressurizing pistons during working is increased, and therefore working thrust of the cylinder is increased.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic illustration of an explosive structure according to the present invention;
FIG. 4 is a schematic structural view of the front axle;
FIG. 5 is a schematic structural view of the cylinder in an initial state;
FIG. 6 is a schematic view of the cylinder extending a first stroke;
FIG. 7 is a schematic view of the cylinder extending a second stroke;
FIG. 8 is a schematic view of the cylinder retracting a second stroke;
FIG. 9 is a schematic view of the cylinder retracting a first stroke;
FIG. 10 is a schematic view of the air intake structure of the piston connecting sleeve part;
FIG. 11 is a schematic view of the structure of the tail of the cylinder when two pistons are connected in series;
in the drawings, the components represented by the respective reference numerals are listed below:
the marble pressing device comprises a front cylinder body 1, a middle cylinder body 2, a rear cylinder body 3, a front rod 4, a sleeve 5, a connecting rod 6, a marble pressing device 8, an end cover 9, a front piston 10, a middle piston 11, a rear piston 12, a front shaft 13, a rear shaft 14, a middle cylinder body I21, a middle cylinder body II 22, a fixing hole 71, marbles 72, a clamping groove 73, a piston connecting sleeve 81, a spring clamping groove 82, a spring 83, an inclined plane 84, a sealing cavity 85 and a through hole 131.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1-3, a two-stroke multistage supercharging cylinder comprises a piston rod, a front cylinder body 1, a middle cylinder body 2 and a rear cylinder body 3 which are sequentially connected together through an end cover 9, wherein the piston rod comprises a front rod 4, a sleeve 5 and a connecting rod 6; a front piston 10 is arranged in the front cylinder body 1, a middle piston 11 is arranged in the middle cylinder body 2, and a rear piston 12 is arranged in the rear cylinder body 3; the front rod 4 is positioned in the front cylinder body 1 and penetrates out of a front end cover of the front cylinder body 1, the sleeve 5 is positioned in the middle cylinder body 2 and penetrates through the end cover to be connected with the tail part of the front rod 4, the front piston 10 is fixedly arranged on the front rod 4, the connecting rod 6 penetrates through a front end cover of the rear cylinder body and extends into the sleeve 5, the connecting rod 6 is connected with the sleeve 5 through a separable connecting mechanism, the separable connecting mechanism is in a separated state when the piston rod moves in a first stroke and in a connected state when the piston rod moves in a second stroke, the middle piston 11 is sleeved on the connecting rod 6 and can move relative to the connecting rod 6, the middle piston 11 is positioned at the rear end of the sleeve 5 to push the sleeve 5 to move forwards, and the rear piston 12 is fixed on the connecting rod 6; the front cylinder body 1, the middle cylinder body 2 and the rear cylinder body 3 are provided with air inlets and air outlets as required, the air inlets and the air outlets can also adopt the same air hole as required, the air hole can be formed in the end cover and can be communicated with different cylinder bodies as required.
When the two-stroke multistage supercharging cylinder provided by the embodiment acts, firstly, the middle piston 11 in the middle cylinder body 2 moves forward, the sleeve 5 is pushed to move forward, and then the front rod 4 is driven to move forward to complete a first stroke, and when the front rod 4 completes the first stroke, the sleeve 5 is connected with the connecting rod 6 through a separable connecting mechanism, at the moment, air enters the front cylinder body 1 and the rear cylinder body 3, the front piston 10 and the rear piston 12 move forward, and meanwhile, the front rod 4, the sleeve 5 and the connecting rod 6 are driven to move forward to complete a second stroke.
As shown in fig. 2 and 3, the separable connecting mechanism includes a fixing hole 71 disposed on the sleeve 5, a ball 72 disposed in the fixing hole 71, a slot 73 disposed on the connecting rod 6, and a ball pressing device 8, the sleeve 5 drives the ball 72 to move under the action of the intermediate piston, and when the sleeve 5 has finished a first stroke, the ball 72 enters the slot 73 and is pressed by the ball pressing device 8; when the sleeve 5 returns to start the second stroke, the marble pressing device 8 releases the marble 72, and the marble 72 is driven by the sleeve 5 to be separated from the clamping groove 73, so that the sleeve 5 and the connecting rod 6 are separated. The fixing holes 71 may be circumferentially distributed in plural numbers, for example, 6.
Specifically, the inner side of the fixing hole 71 is a cylindrical structure, the outer side of the fixing hole is a spherical structure, the fixing hole 71 is in clearance fit with the marble 72, and the opening diameter of the upper end of the spherical structure is smaller than the diameter of the marble 72. The purpose of this arrangement is to ensure that the ball 72 neither can escape from the fixing hole 71 in the casing 5, nor can it emerge from the upper end of the fixing hole 71 to push the ball presser 8.
More specifically, we set the height of the fixing hole 71 to 1/2, the diameter of the marble 72, the height of the cylindrical structure equal to the thickness of the sleeve 5 equal to the height of the spherical structure equal to 1/4, the diameter of the marble 72.
In this embodiment, the connecting rod 6 includes a first body with a larger diameter at the front end and a second body with a smaller diameter at the rear end, and the diameters of the first body and the second body form a slot 73. More specifically, the depth of the clamping groove 73 can be set to be equal to the diameter of 1/4 of the marble 72, or the surface of the clamping groove 73, which is tightly attached to the second body, is set to be an inclined surface, that is, the second body and the first body are in smooth transition, so that the marble 72 can be smoothly taken out by the sleeve 5 and enter between the fixing hole 71 of the sleeve 5 and the connecting rod 6 without being pressed by the marble pressing device 8, and meanwhile, the marble 72 cannot continuously extrude the piston connecting sleeve 81 after entering.
As shown in fig. 2, the intermediate cylinder 2 includes an intermediate cylinder one 21 and an intermediate cylinder two 22 connected together by an end cap 9; the marble pressing device 8 is located in the middle cylinder body I21, the middle piston 11 is located in the middle cylinder body II 22, the marble pressing device 8 comprises a piston connecting sleeve 81, the piston connecting sleeve 81 is sleeved on the sleeve 5, the front end of the piston connecting sleeve 81 abuts against the end cover through a spring 83, an inclined surface 84 is arranged at the tail of the piston connecting sleeve 81, specifically, the inclined surface 84 can be formed by gradually enlarging an inner opening of the piston connecting sleeve 81, a sealing cavity 85 is formed between the outer part of the tail of the piston connecting sleeve 81 and the end cover 9, when the sealing cavity is inflated, the spring 83 is compressed, the marble pressing device 8 moves forwards, the clamping groove 73 in the connecting rod 6 is located below the inclined surface 84, at the moment, the marble 72 is not extruded by the marble pressing device 8, and the sleeve 5 brings the marble 72 out of the clamping groove 73; when the piston rod extends forwards, the sleeve 5 drives the marble 72 to extrude the piston connecting sleeve 81 through the inclined surface 84, the spring 83 is compressed, the marble 72 falls into the clamping groove 73, at the moment, the marble 72 cannot continuously extrude the piston connecting sleeve 81, the spring 83 resets, the inner side surface of the piston connecting sleeve 81 compresses the marble 72 in the clamping groove 73, and therefore the sleeve 5 and the connecting rod 6 are smoothly connected together.
In this embodiment, we further set up connecting rod 6 for hollow structure, through-hole 131 has been seted up to the junction of sleeve pipe 5 and preceding pole 4, the afterbody of connecting rod 6 stretches out back piston 12, the gas of preceding piston 10 rear side in the preceding cylinder body 1 enters into through sleeve pipe 5 and connecting rod 4 and promotes back piston 12 forward motion in the back cylinder body 3, can reach the form of multistage pressure boost on the one hand, on the other hand can reduce the quantity of seting up of gas pocket, conveniently carry out the gas circuit integration, make whole device structure more reasonable.
Specifically, as shown in fig. 2-4, the sleeve 5 is connected with the front rod 4 through the front shaft 13, the front shaft 13 includes a solid small head and a hollow large head, the solid small head is provided with an external thread, the front rod 4 is fixed on the solid small head through a thread, the hollow large head is provided with an external thread, the sleeve 5 is fixed on the hollow large head through a thread, the through holes 131 are arranged at the joint of the solid small head and the hollow large head, the through holes 131 can be arranged in a circumferential array, the gas enters the sleeve 5 through the through holes 131, then enters the connecting rod 4 and finally reaches the rear end of the rear piston 12 in the rear cylinder 3, and the front piston 10 is tightly pressed at the tail of the front rod 4 through the front shaft 13.
As shown in fig. 4, the two-stroke multistage supercharging cylinder further comprises a rear shaft 14, the rear shaft 14 is of a hollow structure, the rear shaft 14 comprises a body of a hollow cylindrical structure, an outward flange is arranged at the tail of the body of the cylindrical structure, the connecting rod 6 is mounted on the rear shaft 14 through threads, the rear piston 12 is mounted on the rear shaft 14, and the end of the rear shaft 14 is located at the rear side of the rear piston 12. The front rod 4, the sleeve 5 and the connecting rod are mounted through the front shaft 13 and the rear shaft 14, and the mounting and the dismounting are convenient.
In this embodiment, as shown in fig. 11, a plurality of pressure cylinder bodies may be disposed between the middle cylinder body 2 and the rear cylinder body 3 as required, pistons are disposed in the pressure cylinder bodies, the connecting rod 6 sequentially passes through the pressure cylinder bodies, the pistons are fixed on the connecting rod 6, and a plurality of air holes may be correspondingly formed in the connecting rod 6 for simultaneously admitting air into the pressure cylinder bodies when the pressure cylinder bodies advance, that is, the pressure cylinder bodies and the rear cylinder body 3 may be simultaneously ventilated through the hollow structures of the front cylinder body 1 and the connecting rod 6. A plurality of pistons are connected in series on the connecting rod in a series connection mode, the number of pressurizing pistons during working is increased, and therefore working thrust of the cylinder is increased.
The specific working principle and process of the invention are as follows:
when the cylinder is in an initial state: as shown in fig. 5, the piston is in an ejecting state under the elastic force of the spring 83.
The cylinder extends for a first stroke: as shown in fig. 6, A, B ports are charged, C, D, E, F ports are discharged, that is, the middle cylinder 2 is charged through the a port, the rear cylinder 3 is charged through the B port, the space where the spring 83 is located is discharged through the D port (discharged when the spring is compressed), the a port is charged to push the middle piston 11 to move forward, the middle piston 11 pushes the sleeve 5 to move forward, and the sleeve 5 pushes the front piston 10 and the front rod 4 to move forward through the front shaft 13. In the process, when the sleeve 5 moves forwards, the marble 72 on the sleeve 5 moves together with the sleeve 5, when the sleeve 5 moves to the position of the piston connecting sleeve 81, the marble 72 touches the piston connecting sleeve 81, the marble moves forwards continuously to extrude the piston connecting sleeve 81 to be extruded by the marble 72, the spring 83 is compressed (meanwhile, the gas in the space where the spring 83 is located is discharged from the D gas outlet, the spring can be normally compressed), the marble 72 moves forwards continuously to fall into the clamping groove 73 on the connecting rod 6 completely, the piston connecting sleeve 81 is ejected out under the action of the spring 83 and presses the marble 72 in the clamping groove 73 through the surface of the piston connecting sleeve 81, and at the moment, the connecting rod 6, the sleeve 5 and the front rod 4 are connected and fixed together; the B air inlet is used for providing a backward force to the rear piston 12, overcoming the friction force of the sleeve 5 and the marble 72, and ensuring that the connecting rod 6 cannot move forward along with the sleeve 5, thereby accurately realizing the movement of the first stroke.
The cylinder extends for a second stroke: as shown in fig. 7, the G port is filled and the B, C port is exhausted, that is, the front end of the front cylinder 1 is exhausted through the C port and the front end of the rear cylinder 3 is exhausted through the B port, the rear end of the front cylinder 1 is filled through the G port while the gas reaches the rear side of the rear piston 12 of the rear cylinder 3, the front piston 10 and the rear piston 12 move forward simultaneously, the connecting rod 6, the sleeve 5 and the front rod 4 move forward simultaneously to realize the movement of the second stroke, and at this time, the intermediate piston 10 and the sleeve 5 are in a separated state.
Retracting the cylinder for a second stroke: as shown in fig. 8, A, B ports are filled with air, C, D, E, F ports are exhausted with air, namely, the rear end of the middle cylinder 2 and the front end of the rear cylinder 3 are filled with air, the front end of the rear cylinder 3 is filled with air to push the rear piston 12 to move backwards, and then the connecting rod 6, the sleeve 5 and the front rod 4 are driven to retreat, so that the retraction of the second stroke is realized. The rear end of the middle cylinder body 2 is charged with air to press the middle piston, so that the middle piston is prevented from being driven by the sleeve 5, and the sleeve 5 is contacted with the middle piston 10 after the cylinder retracts to the second stroke.
Cylinder retract first stroke: as shown in fig. 9, the C, B, H inlet air, the B inlet air presses the rear piston on the rear end cover, the piston connecting sleeve 81 enters air through the H inlet in the sealed cavity 85 between the piston connecting sleeve 81 and the end cover, the piston connecting sleeve 81 drives the spring 83 to compress, the piston connecting sleeve 81 no longer extrudes the marble 72, the front end of the front cylinder 1 enters air through the C inlet, the front piston 10 moves backwards, and the sleeve 5 is driven to move backwards (the connecting rod 6 is pressed and fixed). The sleeve 5 drives the marble 72 to separate from the clamping groove 73, and the front piston 10 continues to drive the sleeve 5 and the front rod 4 to retract to the middle piston 11 to abut against the middle end cover, so that the retraction of the first stroke is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A two-stroke multi-stage supercharging cylinder is characterized by comprising a piston rod, a front cylinder body (1), a middle cylinder body (2) and a rear cylinder body (3) which are sequentially connected together through an end cover (9), wherein the piston rod comprises a front rod (4), a sleeve (5) and a connecting rod (6);
a front piston (10) is arranged in the front cylinder body (1), a middle piston (11) is arranged in the middle cylinder body (2), and a rear piston (12) is arranged in the rear cylinder body (3);
the front rod (4) is positioned in the front cylinder body (1) and penetrates out of the front end cover of the front cylinder body (1), the sleeve (5) is positioned in the middle cylinder body (2) and penetrates through the tail part of the end cover and the front rod (4) to be connected together, the front piston (10) is fixedly arranged on the front rod (4), the connecting rod (6) penetrates through the front end cover of the rear cylinder body (3) and extends into the sleeve (5), the connecting rod (6) and the sleeve (5) are connected together through a separable connecting mechanism, the separable connecting mechanism is in a separated state when the piston rod moves in a first stroke, the separable connecting mechanism is in a connected state when the piston rod moves in a second stroke, the middle piston (11) is sleeved on the connecting rod (6) and can move relative to the connecting rod (6), the middle piston (11) is positioned at the rear end of the sleeve (5) to push the sleeve (5) to move forwards, the rear piston (12) is fixed on the connecting rod (6);
and the front cylinder body (1), the middle cylinder body (2) and the rear cylinder body (3) are all provided with an air inlet and an air outlet.
2. The two-stroke multistage supercharging cylinder according to claim 1, characterized in that the separable connecting mechanism comprises a fixing hole (71) provided on the sleeve (5), a marble (72) provided in the fixing hole (71), a clamping groove (73) provided on the connecting rod (6), and a marble pressing device (8), the sleeve (5) drives the marble (72) to move under the action of the intermediate piston (11), and when the sleeve (5) finishes the first stroke, the marble (72) enters the clamping groove (73) and is pressed by the marble pressing device (8); when the sleeve (5) returns to start a second stroke, the marble pressing device (8) releases the marble, and the marble (72) is driven by the sleeve (5) to be separated from the clamping groove (73).
3. A two-stroke multistage supercharging cylinder according to claim 2, characterized in that the fixing hole (71) has a cylindrical structure on the inside and a spherical structure on the outside, the fixing hole (71) is in clearance fit with the ball (72) and the opening diameter of the upper end of the spherical structure is less than the diameter of the ball (72).
4. A two-stroke, multistage supercharge cylinder according to claim 3, characterized in that the height of the fixing hole is 1/2 marble (72) diameter, and the height of the cylindrical structure is equal to the sleeve thickness equal to 1/4 marble (72) diameter.
5. A two-stroke multistage supercharging cylinder according to claim 2, characterized in that the connecting rod (6) comprises a first body with a larger diameter at the front end and a second body with a smaller diameter at the rear end, between which a clamping groove (73) is formed.
6. A two-stroke, multistage supercharging cylinder according to claim 2, characterized in that the intermediate cylinder (2) comprises a first intermediate cylinder (21) and a second intermediate cylinder (22) which are connected together by an end cover (9); marble closing device (8) are located middle cylinder body (21), middle piston (11) are located middle cylinder body two (22), marble closing device (8) are including piston even cover (81), the piston is even set (81) cover and is established on sleeve pipe (5) and the front end that the piston even set (81) was passed through spring (83) and supports on the end cover, the afterbody that the piston even set (81) is provided with inclined plane (84), the piston is even forms a sealed chamber (85) between afterbody outside and end cover (9) of cover (81), and when aerifing wherein, spring (83) are compressed.
7. The two-stroke multistage supercharging cylinder according to claim 1, characterized in that the connecting rod (6) is a hollow structure, a through hole (131) is formed at the joint of the sleeve (5) and the front rod (4), the tail of the connecting rod (6) extends out of the rear piston (12), and gas in the front cylinder body (1) can enter the rear cylinder body (3) through the sleeve (5) and the connecting rod (4) to push the rear piston (12) to move forward.
8. The two-stroke multi-stage supercharging cylinder according to claim 7, wherein the sleeve (5) is connected with the front rod (4) through a front shaft (13), the front shaft (13) comprises a small solid head and a large hollow head, the small solid head is provided with an external thread, the front rod (4) is fixed on the small solid head through a thread, the large hollow head is provided with an external thread, the sleeve (5) is fixed on the large hollow head through a thread, and the through hole (131) is formed at the connection position of the small solid head and the large hollow head.
9. The two-stroke multistage supercharging cylinder according to claim 7, further comprising a rear shaft (14), wherein the rear shaft (14) is of a hollow structure, the rear shaft (14) comprises a body of a hollow cylindrical structure, an outward flange is provided at the tail of the body of the cylindrical structure, the connecting rod (6) is mounted on the rear shaft (14) through a thread, the rear piston (12) is mounted on the rear shaft (14), and the end of the rear piston is located at the rear side of the rear piston (12).
10. A two-stroke multistage supercharging cylinder according to claim 1, characterized in that a plurality of supercharging cylinders are further provided between the intermediate cylinder body (2) and the rear cylinder body (3), a piston is provided in each of the plurality of supercharging cylinders, the connecting rod (6) passes through each of the plurality of supercharging cylinders in sequence, and the piston is fixed to the connecting rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910993846.2A CN110714943A (en) | 2019-10-18 | 2019-10-18 | Two-stroke multistage supercharging cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910993846.2A CN110714943A (en) | 2019-10-18 | 2019-10-18 | Two-stroke multistage supercharging cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN110714943A true CN110714943A (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910993846.2A Pending CN110714943A (en) | 2019-10-18 | 2019-10-18 | Two-stroke multistage supercharging cylinder |
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| CN (1) | CN110714943A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414281A (en) * | 2021-07-30 | 2021-09-21 | 中国工程物理研究院机械制造工艺研究所 | Radioactive pipe cutting device |
| CN113414281B (en) * | 2021-07-30 | 2024-06-04 | 中国工程物理研究院机械制造工艺研究所 | Radioactive pipe cutting device |
-
2019
- 2019-10-18 CN CN201910993846.2A patent/CN110714943A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414281A (en) * | 2021-07-30 | 2021-09-21 | 中国工程物理研究院机械制造工艺研究所 | Radioactive pipe cutting device |
| CN113414281B (en) * | 2021-07-30 | 2024-06-04 | 中国工程物理研究院机械制造工艺研究所 | Radioactive pipe cutting device |
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