CN215109796U - Novel hydraulic cylinder with speed reduction function - Google Patents
Novel hydraulic cylinder with speed reduction function Download PDFInfo
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- CN215109796U CN215109796U CN202120894661.9U CN202120894661U CN215109796U CN 215109796 U CN215109796 U CN 215109796U CN 202120894661 U CN202120894661 U CN 202120894661U CN 215109796 U CN215109796 U CN 215109796U
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- wall
- speed reduction
- fixedly connected
- sleeve
- airtight
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Abstract
The utility model discloses a novel pneumatic cylinder with speed reduction function, including the cylinder liner, the outer wall of cylinder liner has the install bin through the bolt spiro union, and one side outer wall of install bin has seted up the installing port, the inner wall of installing port has the ventilation window through the bolt spiro union, the inner wall sliding connection of cylinder liner has the piston rod, the inner wall of cylinder liner has the speed reduction cover through the bolt spiro union, the piston rod runs through the speed reduction cover, four mounting grooves have all been seted up to the inner wall of speed reduction cover, and the inner wall of four mounting grooves has reduction gears through the bolt spiro union, reduction gears includes airtight cover, and airtight cover's inner wall sliding connection has the arc. The utility model discloses a set up the speed reduction cover in the cylinder liner, the cooperation between the install bin on the reduction gears and the cylinder liner of speed reduction cover inner wall is convenient for control hydraulic stem and is realized the speed reduction function, has solved the problem that current pneumatic cylinder speed reduction control precision is low.
Description
Technical Field
The utility model relates to a pneumatic cylinder technical field especially relates to a novel pneumatic cylinder with speed reduction function.
Background
The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the effective area; the hydraulic cylinder is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device. The damping device and the exhaust device are determined according to specific application occasions, and other devices are necessary.
The existing hydraulic cylinder generally does not have a speed reduction function, speed reduction can be carried out only by controlling hydraulic pressure, but the oil pressure control precision is relatively low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a novel hydraulic cylinder with a speed reduction function.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel hydraulic cylinder with a speed reduction function comprises a cylinder sleeve, wherein the outer wall of the cylinder sleeve is connected with an installation box in a screwed mode through a bolt, and the outer wall of one side of the mounting box is provided with a mounting opening, the inner wall of the mounting opening is screwed with a ventilation window through a bolt, the inner wall of the cylinder sleeve is connected with a piston rod in a sliding way, the inner wall of the cylinder sleeve is connected with a speed reducing sleeve in a threaded way through a bolt, the piston rod penetrates through the speed reducing sleeve, four mounting grooves are formed in the inner wall of the speed reducing sleeve, and the inner walls of the four mounting grooves are in threaded connection with a speed reducing mechanism through bolts, the speed reducing mechanism comprises an airtight sleeve, the inner wall of the airtight sleeve is connected with an arc-shaped plate in a sliding way, the outer wall of the arc-shaped plate is provided with arc-shaped grooves, and the inner wall of the arc-shaped groove is connected with a rolling body through a bearing, the inner wall of the installation box is connected with an airtight box through a bolt in a threaded manner, and the outer wall of one side of the airtight box is connected with a pressure gauge through a bolt in a threaded manner.
Preferably, an air outlet is formed in the outer wall of one side of the installation box, and a first electromagnetic valve is connected to the inner wall of the air outlet in a threaded mode through a bolt.
Preferably, one end of the first electromagnetic valve is connected with a three-way pipe, one end of the three-way pipe is connected to the speed reducing mechanism through a pipeline, and the other end of the three-way pipe is connected with a second electromagnetic valve in a threaded mode through a bolt.
Preferably, the inner wall of the bottom of the installation box is connected with an air pump through a bolt in a threaded manner, an outlet of the air pump is connected to the airtight box through a pipeline, and the inner wall of the airtight box is connected with an air pressure sensor through a bolt in a threaded manner.
Preferably, the both sides of airtight cover one side inner wall all have the telescopic link through the bolt spiro union, and the outer wall of two telescopic links has all cup jointed first spring, two telescopic link one end is passed through the bolt spiro union on the arc.
Preferably, the both sides of airtight cover one side inner wall all have the slide bar through the bolt spiro union, and the outer wall of two slide bars all cup joints the second spring, two the outer wall of slide bar all sliding connection has the connecting rod of L shape structure, and the one end of two connecting rods is connected on the arc.
Preferably, the air pump, the first electromagnetic valve and the second electromagnetic valve are all connected with a switch through leads, and the switch is connected with a controller through leads.
The utility model has the advantages that:
1. this novel pneumatic cylinder with speed reduction function through set up the speed reduction cover in the cylinder liner, and the cooperation between the install bin on the reduction gears of speed reduction cover inner wall and the cylinder liner is convenient for control hydraulic stem and is realized the speed reduction function, has solved the problem that current pneumatic cylinder speed reduction control precision is low.
2. This novel pneumatic cylinder with speed reduction function through set up arc and rolling element in reduction gears, thereby realizes the speed reduction to the hydraulic stem through the rolling element extrusion piston rod on the drive arc.
3. This novel pneumatic cylinder with speed reduction function drives the action of arc through the high-pressure gas in the airtight box, and the reciprocating motion of the drive arc of being convenient for is passed through the cooperation between two solenoid valves to the rethread.
Drawings
Fig. 1 is a schematic structural view of a novel hydraulic cylinder with a speed reduction function provided by the present invention;
fig. 2 is a schematic cross-sectional structural view of a novel hydraulic cylinder with a speed reduction function according to the present invention;
fig. 3 is a schematic cross-sectional structural view of an installation box of the novel hydraulic cylinder with the speed reduction function provided by the invention;
fig. 4 is a schematic cross-sectional view of a reduction sleeve of an embodiment of the novel hydraulic cylinder with a speed reduction function according to the present invention;
fig. 5 is a schematic cross-sectional view of a reduction sleeve of the embodiment of the novel hydraulic cylinder with a speed reduction function according to the present invention.
In the figure: the device comprises a cylinder sleeve 1, an installation box 2, a ventilation window 3, a piston rod 4, a speed reducing sleeve 5, an airtight box 6, a pressure gauge 7, a first electromagnetic valve 8, a three-way pipe 9, a second electromagnetic valve 10, an air pump 11, a speed reducing mechanism 12, a telescopic rod 13, a first spring 14, an airtight sleeve 15, a rolling body 16, an arc-shaped plate 17, a connecting rod 18, a second spring 19 and a sliding rod 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-4, a novel hydraulic cylinder with speed reducing function comprises a cylinder sleeve 1, an installation box 2 is screwed on the outer wall of the cylinder sleeve 1 through a bolt, an installation opening is arranged on the outer wall of one side of the installation box 2, an air exchanging window 3 is screwed on the inner wall of the installation opening through a bolt, a piston rod 4 is connected on the inner wall of the cylinder sleeve 1 in a sliding manner, a speed reducing sleeve 5 is screwed on the inner wall of the cylinder sleeve 1 through a bolt, the piston rod 4 penetrates through the speed reducing sleeve 5, four installation grooves are arranged on the inner wall of the speed reducing sleeve 5, speed reducing mechanisms 12 are screwed on the inner walls of the four installation grooves through bolts, the speed reducing mechanisms 12 comprise airtight sleeves 15, an arc-shaped plate 17 is connected on the inner wall of the airtight sleeves 15 in a sliding manner, arc-shaped grooves are arranged on the outer wall of the arc-shaped plates 17, the inner wall of the arc-shaped grooves is connected with a rolling body 16 through a bearing, an airtight box 6 is screwed on the inner wall of the installation box 2 through a bolt, a pressure gauge 7 is screwed on the outer wall of one side of the airtight box 6 through a bolt, an air outlet is arranged on the outer wall of one side of the installation box 2, the inner wall of the air outlet is connected with a first electromagnetic valve 8 through a bolt in a threaded manner, one end of the first electromagnetic valve 8 is connected with a three-way pipe 9, one end of the three-way pipe 9 is connected with the speed reducing mechanism 12 through a pipeline, the other end of the three-way pipe 9 is connected with a second electromagnetic valve 10 through a bolt in a threaded manner, the inner wall of the bottom of the installation box 2 is connected with an air pump 11 through a bolt in a threaded manner, an output port of the air pump 11 is connected with the airtight box 6 through a pipeline, the inner wall of the airtight box 6 is in threaded connection with an air pressure sensor through a bolt, two sides of the inner wall of one side of the airtight sleeve 15 are both in threaded connection with a telescopic rod 13 through a bolt, and the outer wall of two telescopic links 13 has all cup jointed first spring 14, and two telescopic links 13 one end pass through the bolt spiro union on arc 17, and air pump 11, first solenoid valve 8 and second solenoid valve 10 all are connected with the switch through the wire, and the switch is connected with the controller through the wire.
The working principle is as follows: during the use, airtight box 6 in the installation box 2 is in highly compressed state all the time, air pump 11 can start at once to pressurize in airtight box 6 when the atmospheric pressure in airtight box 6 reduces, first solenoid valve 8 opens when the pneumatic cylinder needs to slow down, second solenoid valve 10 closes, at this moment, the high-pressure gas in airtight box 6 pours into reduction gears 12 rapidly, promote the arc 17 and remove and then extrude the piston rod increase friction through rolling element 16, thereby slow down piston rod 4, first solenoid valve 8 closes second solenoid valve 10 and opens when cancelling the speed reduction, atmospheric pressure and the external atmospheric pressure in airtight cover 15 are balanced, arc 17 resumes the normal position under the effect of first spring 19.
Example two
Referring to fig. 1-3 and 5, a novel hydraulic cylinder with speed reducing function comprises a cylinder sleeve 1, an outer wall of the cylinder sleeve 1 is in threaded connection with an installation box 2 through a bolt, an outer wall of one side of the installation box 2 is provided with an installation opening, an inner wall of the installation opening is in threaded connection with a ventilation window 3 through a bolt, an inner wall of the cylinder sleeve 1 is connected with a piston rod 4 in a sliding mode, an inner wall of the cylinder sleeve 1 is in threaded connection with a speed reducing sleeve 5 through a bolt, the piston rod 4 penetrates through the speed reducing sleeve 5, the inner wall of the speed reducing sleeve 5 is provided with four installation grooves, inner walls of the four installation grooves are in threaded connection with a speed reducing mechanism 12 through bolts, the speed reducing mechanism 12 comprises an airtight sleeve 15, an inner wall of the airtight sleeve 15 is connected with an arc plate 17 in a sliding mode, outer walls of the arc plate 17 are provided with arc grooves, inner walls of the arc grooves are connected with rolling bodies 16 through bearings, an inner wall of the installation box 2 is in threaded connection with an airtight box 6 through bolts, an outer wall of one side of the airtight box 6 is in threaded connection with a pressure gauge 7 through a bolt, an air outlet is formed in the outer wall of one side of the installation box 2, a first electromagnetic valve 8 is connected to the inner wall of the air outlet through a bolt in a threaded manner, one end of the first electromagnetic valve 8 is connected with a three-way pipe 9, one end of the three-way pipe 9 is connected to the speed reducing mechanism 12 through a pipeline, a second electromagnetic valve 10 is connected to the other end of the three-way pipe 9 through a bolt in a threaded manner, an air pump 11 is connected to the inner wall of the bottom of the installation box 2 through a bolt in a threaded manner, an output port of the air pump 11 is connected to the airtight box 6 through a pipeline, an air pressure sensor is connected to the inner wall of the airtight box 6 through a bolt in a threaded manner, sliding rods 20 are connected to the two sides of the inner wall of one side of the airtight sleeve 15 through bolts in a threaded manner, second springs 19 are sleeved on the outer walls of the two sliding rods 20, connecting rods 18 of an L-shaped structure are slidably connected to the outer walls of the two sliding rods 18, one end of each connecting rod is connected to the arc-shaped plate 17, the air pump 11, the first electromagnetic valve 8 and the second electromagnetic valve 10 are connected to a switch through a wire, and the switch is connected with a controller through a lead.
The working principle is as follows: during the use, airtight box 6 in the installation box 2 is in highly compressed state all the time, air pump 11 can start at once to pressurize in airtight box 6 when the atmospheric pressure in airtight box 6 reduces, first solenoid valve 8 opens when the pneumatic cylinder needs to slow down, second solenoid valve 10 closes, at this moment, the high-pressure gas in airtight box 6 pours into reduction gears 12 rapidly, promote the arc 17 and remove and then extrude the piston rod increase friction through rolling element 16, thereby slow down piston rod 4, first solenoid valve 8 closes second solenoid valve 10 and opens when cancelling the speed reduction, atmospheric pressure and the external atmospheric pressure in airtight cover 15 are balanced, arc 17 resumes the normal position under the effect of second spring 19.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A novel hydraulic cylinder with a speed reduction function comprises a cylinder sleeve (1) and is characterized in that an installation box (2) is fixedly connected to the outer wall of the cylinder sleeve (1), an installation opening is formed in the outer wall of one side of the installation box (2), a ventilation window (3) is fixedly connected to the inner wall of the installation opening, a piston rod (4) is connected to the inner wall of the cylinder sleeve (1) in a sliding mode, a speed reduction sleeve (5) is fixedly connected to the inner wall of the cylinder sleeve (1), the piston rod (4) penetrates through the speed reduction sleeve (5), four installation grooves are formed in the inner wall of the speed reduction sleeve (5), a speed reduction mechanism (12) is fixedly connected to the inner walls of the four installation grooves, the speed reduction mechanism (12) comprises an airtight sleeve (15), an arc plate (17) is connected to the inner wall of the airtight sleeve (15) in a sliding mode, an arc-shaped groove is formed in the outer wall of the arc plate (17), and a rolling body (16) is connected to the inner wall of the arc-shaped groove through a bearing, the inner wall of install bin (2) fixedly connected with airtight case (6), one side outer wall fixedly connected with manometer (7) of airtight case (6).
2. The novel hydraulic cylinder with the speed reducing function according to claim 1, wherein an air outlet is formed in the outer wall of one side of the mounting box (2), and a first electromagnetic valve (8) is fixedly connected to the inner wall of the air outlet.
3. The novel hydraulic cylinder with the speed reducing function according to claim 2, wherein one end of the first electromagnetic valve (8) is connected with a three-way pipe (9), one end of the three-way pipe (9) is connected with the speed reducing mechanism (12) through a pipeline, and the other end of the three-way pipe (9) is fixedly connected with a second electromagnetic valve (10).
4. The novel hydraulic cylinder with the speed reducing function according to claim 3, wherein an air pump (11) is fixedly connected to the inner wall of the bottom of the installation box (2), an output port of the air pump (11) is connected to the airtight box (6) through a pipeline, and an air pressure sensor is fixedly connected to the inner wall of the airtight box (6).
5. The novel hydraulic cylinder with the speed reducing function according to claim 4, wherein both sides of one side inner wall of the airtight sleeve (15) are fixedly connected with telescopic rods (13), the outer walls of the two telescopic rods (13) are sleeved with first springs (14), and one ends of the two telescopic rods (13) are fixedly connected to the arc-shaped plate (17).
6. The novel hydraulic cylinder with the speed reducing function according to claim 4, wherein sliding rods (20) are fixedly connected to both sides of one side inner wall of the airtight sleeve (15), second springs (19) are sleeved on outer walls of the two sliding rods (20), connecting rods (18) of L-shaped structures are slidably connected to outer walls of the two sliding rods (20), and one ends of the two connecting rods (18) are connected to the arc-shaped plate (17).
7. The novel hydraulic cylinder with the speed reducing function according to claim 6, wherein the air pump (11), the first electromagnetic valve (8) and the second electromagnetic valve (10) are all connected with a switch through wires, and the switch is connected with a controller through wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120894661.9U CN215109796U (en) | 2021-04-26 | 2021-04-26 | Novel hydraulic cylinder with speed reduction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120894661.9U CN215109796U (en) | 2021-04-26 | 2021-04-26 | Novel hydraulic cylinder with speed reduction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215109796U true CN215109796U (en) | 2021-12-10 |
Family
ID=79290101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120894661.9U Active CN215109796U (en) | 2021-04-26 | 2021-04-26 | Novel hydraulic cylinder with speed reduction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215109796U (en) |
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2021
- 2021-04-26 CN CN202120894661.9U patent/CN215109796U/en active Active
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