CN209838925U - Bionic multi-cavity sucker based on shape memory alloy driving - Google Patents
Bionic multi-cavity sucker based on shape memory alloy driving Download PDFInfo
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- CN209838925U CN209838925U CN201920652330.7U CN201920652330U CN209838925U CN 209838925 U CN209838925 U CN 209838925U CN 201920652330 U CN201920652330 U CN 201920652330U CN 209838925 U CN209838925 U CN 209838925U
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- 229910001285 shape-memory alloy Inorganic materials 0.000 title claims abstract description 46
- 239000011664 nicotinic acid Substances 0.000 title claims abstract description 19
- 238000005485 electric heating Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims description 21
- 241000252254 Catostomidae Species 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 230000006870 function Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000037406 food intake Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000001968 nicotinic acid Nutrition 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model discloses a bionic multi-cavity sucker based on shape memory alloy drive, which belongs to the field of attachment devices, and adopts the technical scheme that the sucker comprises a cylinder body and a disk body, wherein an electric heating cylinder is embedded in the inner wall of the cylinder body, a direct-current power supply is fixedly installed on the outer wall of the cylinder body, the direct-current power supply is connected with the electric heating cylinder through a lead, and a switch is arranged on the direct-current power supply; the tray body sets up in the bottom of cylinder body, and the inside of tray body and cylinder body link up mutually, and the inner wall of tray body is fixed and is provided with the baffle, and the up end fixed mounting of baffle has three shape memory alloy, and one side fixedly connected with slide that shape memory alloy kept away from the baffle. The bionic sucker with high adsorbability, low limitation and easy control is developed by adding a material or a device with a sensing function into an adsorption mechanism and utilizing the sensitive characteristic of a composite material to fundamentally change the traditional sucker design and control method.
Description
Technical Field
The utility model relates to an attachment device field, in particular to bionical multicavity sucking disc based on shape memory alloy drive.
Background
The sucking disc is an adsorption device, generally in the shape of a circular disc with a concave middle part, has the functions of adsorption, ingestion, movement and the like, is also called a vacuum lifting appliance, is one of vacuum equipment actuators according to the bionics, has larger breaking force, and is widely applied to various vacuum holding equipment.
However, the vacuum negative pressure adsorption type sucker is easy to cause gas leakage, so that the adsorption force is reduced, the magnetic adsorption type sucker requires that the wall surface is made of a magnetic conductive material, the limitation is large, the gas thrust adsorption type sucker is low in efficiency, is greatly influenced by the environment, and is difficult to control.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, a material or a device with a sensing function is added into an adsorption mechanism, and the sensitive characteristic of a composite material is utilized, so that the traditional sucker design and control method is fundamentally changed, and a bionic sucker with high adsorbability, low limitation and easy control is developed.
The above technical purpose of the present invention can be achieved by the following technical solutions: a bionic multi-cavity sucker based on shape memory alloy driving comprises a cylinder body and a sucker body, wherein an electric heating cylinder is embedded in the inner wall of the cylinder body, a direct-current power supply is fixedly installed on the outer wall of the cylinder body, the direct-current power supply is connected with the electric heating cylinder through a lead, and a switch is arranged on the direct-current power supply; the tray body is arranged at the bottom of the tank body, the tray body is communicated with the interior of the tank body, a partition plate is fixedly arranged on the inner wall of the tray body, three shape memory alloys are fixedly mounted on the upper end face of the partition plate, one side, away from the partition plate, of each shape memory alloy is fixedly connected with a sliding plate, the sliding plate is connected to the inner wall of the tank body in a sliding mode, a plurality of suckers are connected to the bottom of the tray body in a penetrating mode, a first one-way air valve is mounted on one side, located inside the tray body, of each sucker, one end, away from the corresponding sucker, of each first one-way air valve is connected with the partition plate in a penetrating mode, two second one-way air valves are connected to the upper end; the first one-way air valve is smooth in air inlet but cannot discharge air, and the second one-way air valve is smooth in air outlet but cannot discharge air.
Furthermore, the electric heating cylinder is in a cylindrical shape, the electric heating cylinder is flush with the inner wall of the cylinder body, and the electric heating cylinder and the inner wall of the cylinder body are both coated with lubricating materials.
Further, the totality of sucking disc is "falling funnel" form, and wherein the lower part is "hemisphere" form, and upper portion is "hollow tube" form, the sucking disc is the silicon rubber material, and per two a set of, multiunit are constituteed to the sucking disc is followed the centre of a circle annular of disk body bottom surface is arranged.
Furthermore, the partition board is perpendicular to the inner wall of the tray body, the shape memory alloy is perpendicular to the partition board, and the length and various parameters of the three shape memory alloys are consistent.
Further, the cylinder body and the disc body are both made of light composite materials.
To sum up, the utility model discloses following beneficial effect has:
this kind of bionical multicavity sucking disc based on shape memory alloy drive controls the inside shape memory alloy's of cylinder body extension through the heating to control the inside atmospheric pressure of sucking disc, realize the high adsorptivity and the low limitation of sucking disc, and easier control.
Drawings
FIG. 1 is an external structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
fig. 3 is a bottom view of the present invention;
FIG. 4 is a diagram of a shape memory alloy assembly according to the present invention.
In the figure: 1. a cylinder body; 101. an electric heating cylinder; 102. a direct current power supply; 2. a tray body; 201. a partition plate; 202. a shape memory alloy; 203. a slide plate; 204. a suction cup; 205. a first one-way air valve; 206. a second one-way air valve.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-4, a bionic multi-cavity suction cup based on shape memory alloy driving comprises a cylinder body 1 and a disc body 2, wherein an electric heating cylinder 101 is embedded in the inner wall of the cylinder body 1, a direct current power supply 102 is fixedly installed on the outer wall of the cylinder body 1, the direct current power supply 102 is connected with the electric heating cylinder 101 through a lead, and a switch is arranged on the direct current power supply 102; the plate body 2 is arranged at the bottom of the cylinder body 1, the plate body 2 is communicated with the inside of the cylinder body 1, a partition plate 201 is fixedly arranged on the inner wall of the plate body 2, three shape memory alloys 202 are fixedly arranged on the upper end face of the partition plate 201, one side, away from the partition plate 201, of each shape memory alloy 202 is fixedly connected with a sliding plate 203, the sliding plates 203 are connected to the inner wall of the cylinder body 1 in a sliding manner, a plurality of suckers 204 are connected to the bottom of the plate body 2 in a penetrating manner, a first one-way air valve 205 is arranged on one side, located inside the plate body 2, of each sucker 204, one end, away from the corresponding sucker 204, of each first one-way air valve 205 is connected with the partition plate 201 in a; the first one-way air valve 205 is open to air but unable to air, and the second one-way air valve 206 is open to air but unable to air.
Through the technical scheme, the plurality of suckers 204 are tightly attached to the installation plane, then the switch of the direct current power supply 102 is turned on, the electric heating cylinder 101 generates heat after being electrified, so that the temperature in the cylinder body 1 is raised, the three shape memory alloys 202 are changed from the contraction state to the extension state after being heated, because one ends of the three shape memory alloys 202 are fixed on the partition plate 201, only the other ends of the three shape memory alloys push the sliding plate 203 to slide upwards along the inner wall of the cylinder body 1 in the extension process, so that negative pressure is generated in the cylinder body 1 and the disc body 2, under the action of the negative pressure and the flow resistance action of the second one-way air valve 206, the outside air can only enter the disc body 2 and the cylinder body 1 along the suckers 204 and the first one-way air valve 205, at the moment, the air between the suckers 204 and the installation plane is gradually pumped away and, and the suction cups 204 have no requirement on the installation plane to be adsorbed, so that high adsorption and low limitation are realized, and after all the suction cups 204 are stably adsorbed on the installation plane, the direct current power supply 102 can be directly turned off, at this time, the electric heating cylinder 101 does not generate heat any more, the temperature in the cylinder body 1 gradually decreases, the shape memory alloy 202 gradually contracts along with the temperature decrease, and drives the sliding plate 203 to slide downwards along the inner wall of the cylinder body 1, at this time, the air in the cylinder body 1 and the disc body 2 is gradually exhausted through the second one-way air valve 206, so as to maintain the normal air pressure in the cylinder body 1 and the disc body 2, the suction cup 204 is always kept in vacuum under the flow blocking action of the first one-way air valve 205, so that the suction cup is always attached to the mounting plane, the bionic multi-cavity sucker based on the shape memory alloy driving only needs to control the suction of the sucker 204 on the mounting plane by controlling the on-off of the direct-current power supply 102, and the purpose of simple control is achieved.
Example 2
Referring to fig. 2, a bionic multi-cavity suction cup based on shape memory alloy driving is basically the same as that in embodiment 1, and further, the electric heating cylinder 101 is in a cylindrical shape, so that the temperature rise time inside the cylinder body 1 is effectively shortened, the electric heating cylinder 101 is flush with the inner wall of the cylinder body 1, and the inner walls of the electric heating cylinder 101 and the cylinder body 1 are both coated with lubricating materials, so that the sliding smoothness of the sliding plate 203 is improved.
Example 3
Referring to fig. 2, a bionic multi-cavity sucking disc based on shape memory alloy driving is basically the same as that of embodiment 1, further, the whole of the sucking disc 204 is in an inverted funnel shape, wherein the lower portion of the sucking disc is in a hemisphere shape, which is convenient for forming a cavity and ensures that the sucking disc 204 can be tightly attached to a mounting plane, the upper portion of the sucking disc 204 is in a hollow tube shape, which is convenient for connecting the sucking disc 204 with a first one-way air valve 205, the sucking disc 204 is made of silicon rubber, which improves the anti-pulling capability of the sucking disc 204, and every two sucking discs 204 form a group, and the plurality of groups of sucking discs 204 are annularly arranged along the circle center of the bottom surface of the disc body 2, so that the sucking discs 204 are uniformly distributed, and each portion of the bionic multi-cavity.
Example 4
Referring to fig. 2 and 4, a bionic multi-cavity suction cup based on shape memory alloy driving is substantially the same as that in embodiment 1, and further, a partition plate 201 is vertically arranged with an inner wall of a plate body 2, and a shape memory alloy 202 is vertically arranged with the partition plate 201, so that a sliding plate 203 can smoothly slide along the inner wall of a cylinder body 1, and the lengths and various parameters of the three shape memory alloys 202 are consistent, so that the contraction and extension speeds of the three shape memory alloys 202 are consistent, and the shape memory alloys 202 and the sliding plate 203 can stably move.
Example 5
Referring to fig. 1, a bionic multi-cavity suction cup based on shape memory alloy driving is basically the same as that in embodiment 1, and further, the cylinder body 1 and the cup body 2 are both made of light composite materials, so that the influence of the self weight of the bionic multi-cavity suction cup based on shape memory alloy driving on the suction effect of the suction cup 204 is reduced.
The utility model discloses a bionic multicavity sucking disc's application method and theory of operation based on shape memory alloy drive as follows: firstly, a plurality of suckers 204 are tightly attached to a mounting plane, then, a switch of a direct current power supply 102 is turned on, a heating cylinder 101 generates heat after being electrified, so that the temperature in a cylinder body 1 rises, three shape memory alloys 202 change from a contraction state to an extension state after being heated, because one ends of the three shape memory alloys 202 are fixed on a partition plate 201, only the other ends of the three shape memory alloys push a sliding plate 203 to slide upwards along the inner wall of the cylinder body 1 in the extension process, so that negative pressure is generated in the cylinder body 1 and the disc body 2, under the action of the negative pressure and the flow resistance of a second one-way air valve 206, outside air can only enter the disc body 2 and the cylinder body 1 along the suckers 204 and a first one-way air valve 205, at the moment, the air between the suckers 204 and the mounting plane is gradually pumped away and finally reaches a vacuum state, so that the suckers 204 are stably adsorbed on the mounting plane, the direct current power supply 102 can be directly turned off, at the moment, the electric heating cylinder 101 does not generate heat any more, the temperature in the cylinder body 1 is gradually reduced, the shape memory alloy 202 gradually shrinks along with the temperature reduction, and the sliding plate 203 is driven to slide downwards along the inner wall of the cylinder body 1, at the moment, the air in the cylinder body 1 and the disc body 2 is gradually exhausted through the second one-way air valve 206, so that the normal air pressure in the cylinder body 1 and the disc body 2 is maintained, the suction cup 204 is always kept in vacuum under the flow-blocking effect of the first one-way air valve 205, and therefore the suction cup is attached to the.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a bionical multicavity sucking disc based on shape memory alloy drive, includes cylinder body (1) and disk body (2), its characterized in that:
an electric heating cylinder (101) is embedded in the inner wall of the cylinder body (1), a direct current power supply (102) is fixedly installed on the outer wall of the cylinder body, the direct current power supply (102) is connected with the electric heating cylinder (101) through a lead, and a switch is arranged on the direct current power supply (102);
the improved bathtub is characterized in that the tray body (2) is arranged at the bottom of the bathtub body (1), the tray body (2) and the inside of the bathtub body (1) are communicated, a partition plate (201) is fixedly arranged on the inner wall of the tray body (2), three shape memory alloys (202) are fixedly arranged on the upper end face of the partition plate (201), a sliding plate (203) is fixedly connected to one side, away from the partition plate (201), of each shape memory alloy (202), the sliding plate (203) is connected to the inner wall of the bathtub body (1) in a sliding manner, a plurality of suckers (204) are connected to the bottom of the tray body (2) in a penetrating manner, a first one-way air valve (205) is arranged on one side, located inside the tray body (2), of each sucker (204), one end, away from the corresponding sucker (204), of each first one-way air valve (205) is connected with the partition plate (201) in a penetrating manner, the two second one-way air valves (206) are respectively positioned at two sides of the cylinder body (1);
the first one-way air valve (205) is smooth in air inlet but cannot be used for air outlet, and the second one-way air valve (206) is smooth in air outlet but cannot be used for air inlet.
2. The bionic multi-cavity sucker based on the shape memory alloy driving as claimed in claim 1, wherein: the electric heating cylinder (101) is cylindrical, the electric heating cylinder (101) is flush with the inner wall of the cylinder body (1), and the inner walls of the electric heating cylinder (101) and the cylinder body (1) are coated with lubricating materials.
3. The bionic multi-cavity sucker based on the shape memory alloy driving as claimed in claim 1, wherein: the whole of sucking disc (204) is "falling funnel" form, and wherein the lower part is "hemisphere" form, and upper portion is "hollow tube" form, sucking disc (204) are the silicon rubber material, and per two sucking disc (204) are constituteed a set ofly, and the multiunit sucking disc (204) are followed the centre of a circle annular of disk body (2) bottom surface is arranged.
4. The bionic multi-cavity sucker based on the shape memory alloy driving as claimed in claim 1, wherein: the partition plate (201) is perpendicular to the inner wall of the disc body (2), the shape memory alloy (202) is perpendicular to the partition plate (201), and the length and various parameters of the three shape memory alloys (202) are consistent.
5. The bionic multi-cavity sucker based on the shape memory alloy driving as claimed in claim 1, wherein: the cylinder body (1) and the disc body (2) are both made of light composite materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920652330.7U CN209838925U (en) | 2019-05-08 | 2019-05-08 | Bionic multi-cavity sucker based on shape memory alloy driving |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920652330.7U CN209838925U (en) | 2019-05-08 | 2019-05-08 | Bionic multi-cavity sucker based on shape memory alloy driving |
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| CN209838925U true CN209838925U (en) | 2019-12-24 |
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| CN201920652330.7U Expired - Fee Related CN209838925U (en) | 2019-05-08 | 2019-05-08 | Bionic multi-cavity sucker based on shape memory alloy driving |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111346319A (en) * | 2020-03-12 | 2020-06-30 | 柳友军 | Isolated fire extinguishing system for underground coal mine |
| CN111734105A (en) * | 2020-06-16 | 2020-10-02 | 黑龙江省建筑安装集团有限公司 | Indoor small-size construction work platform for building engineering |
| CN112145511A (en) * | 2020-09-25 | 2020-12-29 | 长安大学 | Movement mechanism locking device and locking method based on inverse flexoelectric effect |
-
2019
- 2019-05-08 CN CN201920652330.7U patent/CN209838925U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111346319A (en) * | 2020-03-12 | 2020-06-30 | 柳友军 | Isolated fire extinguishing system for underground coal mine |
| CN111346319B (en) * | 2020-03-12 | 2021-10-29 | 柳友军 | Isolated fire extinguishing system for underground coal mine |
| CN111734105A (en) * | 2020-06-16 | 2020-10-02 | 黑龙江省建筑安装集团有限公司 | Indoor small-size construction work platform for building engineering |
| CN111734105B (en) * | 2020-06-16 | 2022-06-28 | 黑龙江省建筑安装集团有限公司 | Indoor small-size construction work platform for building engineering |
| CN112145511A (en) * | 2020-09-25 | 2020-12-29 | 长安大学 | Movement mechanism locking device and locking method based on inverse flexoelectric effect |
| CN112145511B (en) * | 2020-09-25 | 2021-11-12 | 长安大学 | Movement mechanism locking device and locking method based on inverse flexoelectric effect |
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Granted publication date: 20191224 Termination date: 20200508 |