CN110345216B - Lifting opening and closing device based on cam mechanism - Google Patents
Lifting opening and closing device based on cam mechanism Download PDFInfo
- Publication number
- CN110345216B CN110345216B CN201910418930.1A CN201910418930A CN110345216B CN 110345216 B CN110345216 B CN 110345216B CN 201910418930 A CN201910418930 A CN 201910418930A CN 110345216 B CN110345216 B CN 110345216B
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- chassis
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- 230000007246 mechanism Effects 0.000 title claims abstract description 41
- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 11
- 230000007306 turnover Effects 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
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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
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/08—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2999/00—Subject-matter not otherwise provided for in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
A lifting and lowering opening and closing device based on a cam mechanism, comprising: the rack comprises an outer frame and a lifting frame, and a hole communicated with the inner cavity is formed in the top surface of the outer frame; the lifting frame is arranged in the inner cavity of the outer frame and comprises a lifting part and a supporting part, the lifting part is connected with the supporting part in a sliding manner, and the lifting part is positioned below the hole; the lifting opening and closing mechanism is arranged in the inner cavity of the outer frame and comprises two sets of turning plate assemblies which are oppositely arranged on the lifting part of the lifting frame, the turning plate assemblies are provided with fixing parts and turning parts, the lower parts of the fixing parts are arranged on the lifting part, the upper parts of the fixing parts are hinged with the turning parts, and the outer sides of the turning parts are provided with force application parts; and the height adjusting mechanism is arranged in the inner cavity of the outer frame and comprises a driving motor for transmitting driving force, a rotating shaft for transmitting the driving force and a cam for driving the chassis of the height adjusting mechanism to vertically lift. The beneficial effects of the invention are as follows: the space is saved, and the opening and the closing can be realized in a smaller space; the opening and closing process is stable, and the coincidence of the closing plane and the original plane is realized.
Description
Technical Field
The invention relates to the field of opening and closing mechanisms, in particular to a lifting opening and closing device based on a cam mechanism.
Background
The opening and closing movement of the automatic opening and closing device is realized by a link mechanism, and the mechanism is simple and convenient to install, but the installation plane is large and the bearable strength is low. Meanwhile, the opening and closing device using the link mechanism cannot be miniaturized and cannot be opened or closed in a small space.
Disclosure of Invention
The present invention is directed to solving the above-described problems of the automatic opening/closing mechanism, and provides a cam type opening/closing device. The device is mainly used for realizing the opening and closing of a smaller space. Meanwhile, the invention can realize the stable opening and closing of the opening and closing device in the opening and closing process, and simultaneously realize the coincidence of the closing plane and the top surface.
The invention provides a lifting opening and closing device based on a cam mechanism, which is characterized by comprising:
The rack comprises an outer frame and a lifting frame, wherein a hole which can be communicated with the inner cavity is formed in the top surface of the outer frame; the lifting frame is arranged in the inner cavity of the outer frame and comprises a lifting part and a supporting part, wherein the lifting part is in sliding connection with the supporting part, and the lifting part is positioned below the hole;
the lifting opening and closing mechanism is arranged in the inner cavity of the outer frame and comprises two sets of turning plate assemblies which are oppositely arranged on the lifting part of the lifting frame, the turning plate assemblies are provided with fixing parts and turning parts, the lower parts of the fixing parts are arranged on the lifting parts, the upper parts of the fixing parts are hinged with the turning parts, the outer sides of the turning parts are provided with force application parts which are used for being contacted with the top surface of the outer frame, and when the two turning parts are turned to be parallel to the top surface of the outer frame, the inner edges which are oppositely arranged are contacted with each other, so that a closed plane for plugging a hole is spliced;
and the height adjusting mechanism is arranged in the inner cavity of the outer frame and comprises a driving motor for transmitting driving force, a rotating shaft for transmitting the driving force and a cam for driving the chassis of the height adjusting mechanism to vertically lift, an output shaft of the driving motor is connected with one end of the rotating shaft which is horizontally arranged through a coupler, the other end of the rotating shaft is fixedly provided with the cam, and the rolling edge of the cam is always in contact connection with the lifting part of the lifting frame and is used for pushing the lifting part to axially lift along the supporting part so as to adjust the distance between the lifting part and the top surface.
The lifting frame comprises a chassis serving as a lifting part and a sliding rail shaft serving as a supporting part, wherein the chassis is provided with a mounting hole for mounting a turning plate assembly of a lifting opening and closing mechanism and a through hole for the upper part of the sliding rail shaft to penetrate through, the lower part of the sliding rail shaft is fixedly arranged with the outer frame, the upper part of the sliding rail shaft penetrates through the through hole on the chassis, and the upper part of the sliding rail shaft form a moving pair in clearance fit, so that the chassis axially slides along the sliding rail shaft under the condition of being stressed.
The turnover plate assembly comprises a fixing frame serving as a fixing part and a turnover plate assembly serving as a turnover part, wherein the bottom of the fixing frame is arranged at a mounting hole of the chassis, and the fixing frames of the two sets of turnover plate assemblies are arranged oppositely; the turning plate assembly is hinged to the upper end of the fixing frame.
The turning plate assembly comprises a turning plate for being spliced into a closed plane and a connecting piece for driving the turning plate to turn over, and the turning plate is hinged to the upper part of the fixing frame through the connecting piece; the connecting piece is divided into an inner section and an outer section through a hinge point, wherein the inner section Duan Qianzhuang is arranged in an outer side mounting groove of the turning plate, the outer section is arranged at the outer side of the turning plate, and the end part of the outer section is used as a force application part of the turning plate assembly and used for being in line-surface contact with the top surface of the frame.
The plane of the rolling edge of the cam is vertical to the top surface of the frame, so that the chassis is periodically and vertically lifted along the sliding rail shaft under the pushing of the cam.
The flap assembly further comprises a positioning rib for positioning, wherein the positioning rib is fixedly arranged at the lower part of the fixing frame, and a positioning protrusion for positioning the chassis is arranged on the side surface of the bottom end of the positioning rib.
The fixing frame comprises two fixing plates which are oppositely arranged, the bottom ends of the fixing plates are arranged at the mounting holes of the chassis, the positioning ribs are clamped between the two fixing plates through square pins, the top ends of the positioning ribs are lower than the top ends of the fixing plates, and a hinge cavity for hinging the connecting piece is reserved between the two oppositely arranged fixing plates so as to prevent the connecting piece from being blocked in the overturning process.
The connecting piece is hinged with the corresponding fixing frame through the cylindrical pin, so that the connecting piece rotates around the cylindrical pin, and a plane formed in the rotating process of the connecting piece is perpendicular to the top surface of the outer frame.
The top surface of the outer frame is horizontally arranged.
The closing plane is a disc, and when the two overturning parts are overturned to be parallel to the top surface of the outer frame, the closing plane spliced by the two overturning parts is parallel to the top surface, and the closing plane is just plugged at the hole of the top surface.
The beneficial effects of the invention are as follows: the space is saved, and the opening and the closing can be realized in a smaller space; the opening and closing process is stable, and the coincidence of the closing plane and the original plane is realized.
Drawings
FIG. 1 is an oblique side view of the device of the present invention when closed (without plane);
FIG. 2 is one of the side views of the device of the present invention when closed (without a plane);
FIG. 3 is a rear view of the device of the present invention when open (without a plane);
FIG. 4 is a top view of the device of the present invention when open (without a plane);
FIG. 5 is a front view of the device of the present invention when closed (with a plane);
FIG. 6 is a block diagram of a rack of the present invention;
FIG. 7 is a block diagram of the device of the present invention when closed (with a plane);
fig. 8 is an oblique view of the device of the present invention when opened (with a plane).
Fig. 9 is a front view of the device of the present invention when open (with a plane).
Detailed Description
The invention is further described below with reference to the drawings.
Referring to the drawings:
embodiment 1 the lifting/lowering switch device according to the present embodiment includes:
The frame 1 comprises an outer frame 11 and a lifting frame 12, wherein a hole 11 which can be communicated with an inner cavity is formed in the top surface of the outer frame 1; the lifting frame 2 is arranged in the inner cavity of the outer frame 1 and comprises a lifting part and a supporting part, wherein the lifting part is in sliding connection with the supporting part, and the lifting part is positioned below the hole;
The lifting opening and closing mechanism 2 is arranged in the inner cavity of the outer frame and comprises two sets of turning plate assemblies which are oppositely arranged on the lifting part of the lifting frame, the turning plate assemblies are provided with a fixed part and a turning part, the lower part of the fixed part is arranged on the lifting part, the upper part of the fixed part is hinged with the turning part, the outer side of the turning part is provided with a force application part which is used for being contacted with the top surface of the outer frame, and when the two turning parts are turned to be parallel to the top surface of the outer frame, the inner sides of the two turning parts which are oppositely arranged are contacted with each other, so that a closed plane for plugging a hole is spliced;
The height adjusting mechanism 3 is arranged in the inner cavity of the outer frame and comprises a driving motor 31 for transmitting driving force, a rotating shaft 32 for transmitting driving force and a cam 33 for driving the chassis of the height adjusting mechanism to vertically lift, an output shaft of the driving motor 31 is connected with one end of the rotating shaft 32 which is horizontally arranged through a coupler 34, a cam is fixedly arranged at the other end of the rotating shaft 32, and the rolling edge of the cam 33 is always in contact connection with the lifting part of the lifting frame 2 and is used for pushing the lifting part to axially lift along the supporting part so as to adjust the distance between the lifting part and the top surface.
The lifting frame 12 comprises a chassis 121 serving as a lifting part and a sliding rail shaft 122 serving as a supporting part, wherein the chassis 121 is provided with a mounting hole for mounting a turning plate assembly of a lifting and opening mechanism and a through hole for the upper part of the sliding rail shaft to penetrate through, the lower part of the sliding rail shaft 122 is fixedly arranged with the outer frame, the upper part of the sliding rail shaft penetrates through the through hole on the chassis, and the upper part of the sliding rail shaft form a moving pair in a clearance fit manner, so that the chassis axially slides along the sliding rail shaft under the condition of being stressed.
The panel turnover assembly 21 comprises a fixing frame 211 as a fixing part and a panel turnover assembly 212 as a turnover part, wherein the bottom of the fixing frame 211 is arranged at a mounting hole of the chassis 121, and the fixing frames 211 of the two sets of panel turnover assemblies 212 are oppositely arranged; the flap assembly 212 is hinged to the upper end of the fixing frame 211.
The flap assembly 212 comprises a flap 2121 for being spliced into a closed plane and a connecting piece 2122 for driving the flap to turn over, wherein the flap 2121 is hinged to the upper part of the fixing frame 211 through the connecting piece 2122; the connecting piece 2122 is divided into an inner section and an outer section through a hinge point, wherein the inner section Duan Qianzhuang is arranged in an outer side mounting groove of the turning plate, the outer section is arranged at the outer side of the turning plate, and the end part of the outer section is used as a force application part of the turning plate assembly and used for being in line-surface contact with the top surface of the frame.
The plane of the rolling edge of the cam 33 is perpendicular to the top surface of the outer frame 11, so that the chassis 121 is periodically and vertically lifted along the sliding rail shaft 122 under the pushing of the cam 33.
The flap assembly 212 further comprises a positioning rib 2123 for positioning, wherein the positioning rib 2123 is fixedly arranged at the lower part of the fixing frame 211, and a positioning protrusion for positioning the chassis 121 is arranged at the bottom end side surface of the positioning rib 2123.
The fixing frame 211 comprises two fixing plates which are oppositely arranged, the bottom ends of the fixing plates are arranged at the mounting holes of the chassis 121, the positioning ribs 2123 are clamped between the two fixing plates through square pins 2124, and the top ends of the positioning ribs 2123 are lower than the top ends of the fixing plates, so that a hinge cavity for hinging the connecting piece is reserved between the two oppositely arranged fixing plates, and the connecting piece 2122 is prevented from being blocked in the overturning process.
The link 2122 is hinged to the corresponding fixing frame 211 by a cylindrical pin 2125 such that the link rotates around the cylindrical pin 2125 and a plane formed during rotation of the link 2122 is perpendicular to the top surface of the outer frame 11.
The top surface of the outer frame 11 is horizontally disposed.
The closing plane is a disc, and when the two overturning parts are overturned to be parallel to the top surface of the outer frame, the closing plane spliced by the two overturning parts is parallel to the top surface, and the closing plane is just plugged at the hole of the top surface.
Example 2 in this example: the chassis is provided with four rectangular slotted holes and four mounting holes for realizing the cooperation with the fixing frame and the sliding rail shaft, wherein the chassis is fixedly connected with the fixing frame, a guide rail is formed at the bottom of the fixing frame for realizing the cooperation with the cam, and the chassis and the sliding rail shaft form clearance cooperation and form a moving pair. The fixing frame is provided with a group of mounting holes, is used for being connected with the turning plate assembly to form a revolute pair, and is matched with the rectangular slot holes on the chassis through the positioning ribs and the square pins to realize the fixation of the fixing frame on the chassis. The turning plate assembly comprises two parts, namely a turning plate and a connecting piece, wherein the two parts are adhered in an interference fit mode to form the turning plate assembly, and the turning plate assembly is connected with the fixing frame through a cylindrical pin to form a revolute pair. When the lifting opening and closing mechanism moves upwards to enable the turning plate to be in contact with the plane, line-surface contact is formed between the lifting opening and closing mechanism and the plane, and when the chassis continues to ascend, the turning plate rotates under the action of pressure to enable the turning plate to be flush with the top surface finally. Meanwhile, four rectangular mounting holes are formed in the chassis, wherein the mounting holes are divided into two groups in pairs, and the mounting holes and the sliding rail shafts form interference fit to fix the sliding rail shafts. The slide rail shaft is an optical axis and is used for realizing vertical up-and-down movement of the chassis. And the cam is in interference fit with the rotating shaft and is fixedly connected with the rotating shaft. The motor is connected with the rotating shaft through the coupler, so that the cam can be rotated.
Example 3 in this example: the turning plate is adhered with the connecting piece through the interference fit of the outer side mounting groove to form a turning plate assembly. The turning plate component and the fixing frame are in clearance fit through cylindrical pins of 2mm, and a revolute pair is formed. The fixing frames are in a pair, are embedded from the mounting holes at the bottom of the chassis and form a guide rail with the bottom of the chassis for being matched with the cam. The positioning ribs and the fixing frame are in interference fit through square pins and fixedly connected, and finally connection with the chassis is achieved. The chassis realizes the vertical up-and-down movement of the lifting and opening mechanism through the connection with the positioning rib and the sliding rail shaft.
The motor is connected with the rotating shaft through the coupler, so that the cam can be rotated.
The turning plate and the connecting piece realize positioning and interference fit through the outer side mounting groove, are convenient to form a turning plate assembly through adhesion, and are used for realizing opening and closing movement of the structure. The outer end of the connecting piece is used for realizing line-surface contact between the connecting piece and the plane, and enabling the connecting piece to overturn under the action of pressure applied by the plane, and finally enabling the surfaces of the two turning plates to be kept flush with the top surface, so that the holes are blocked.
The cylindrical pin is used for realizing connection between the turning plate and the fixed frame and enabling the turning plate and the fixed frame to form a revolute pair so as to realize rapid turning of the turning plate.
The positioning ribs are used for realizing fixation between the fixing frame and the chassis and playing a certain positioning role, so that the device is convenient to connect and adhere, and meanwhile, the stress of the fixing frame can be reduced, and the overall stability of the device and the stability of movement are improved. The device and the bottom plate form a guide rail, and a certain limit effect is achieved on the movement of the cam to prevent the cam from sideslip on the chassis, so that the stability of the movement of the device is improved.
The fixing frame is a pair, two square grooves are formed in the fixing frame respectively, the square grooves are used for connecting square pins and positioning ribs, a certain positioning effect is achieved, adhesion of the device is facilitated, and the overall stability of the device is improved.
The square pin is used for realizing the cooperation and the location between the location muscle and the mount, thereby the adhesion between the bottom plate of being convenient for it constitutes wholly with the bottom plate, improves the steadiness of device.
The sliding rail shaft is used for realizing vertical up-and-down movement of the lifting opening and closing mechanism, improving the stability of the chassis in lifting, ensuring that the chassis cannot be overturned, and improving the stability of the device in the movement process.
The chassis is used for being matched with the height adjusting mechanism to realize vertical movement of the lifting opening and closing mechanism, and stability of the chassis in the lifting process is improved through being matched with the sliding rail shaft.
The cam and the rotating shaft jointly form a cam mechanism to realize the lifting of the lifting opening and closing mechanism.
The coupler and the motor are used for driving the cam to rotate so as to realize lifting of the lifting opening and closing mechanism.
It should be noted in particular that, in order to ensure that the plane has a good stability and protection during the closing process, the edge of the flap cannot be subjected to a high pressure.
And (5) explanation. Those skilled in the art to which the invention pertains may make modifications or additions to the described embodiments or substitutions in a similar manner without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms of a flap, a connector, a cylindrical pin, a positioning rib, a fixing frame, a square pin, a slide rail shaft, a chassis, a cam, a rotating shaft, a coupler, a motor, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
The embodiments described in the present specification are merely examples of implementation forms of the inventive concept, and the scope of protection of the present invention should not be construed as being limited to the specific forms set forth in the embodiments, but also equivalent technical means that can be conceived by those skilled in the art according to the inventive concept.
Claims (7)
1. A lifting/lowering switching device based on a cam mechanism, comprising:
The rack comprises an outer frame and a lifting frame, wherein a hole which can be communicated with the inner cavity is formed in the top surface of the outer frame; the lifting frame is arranged in the inner cavity of the outer frame and comprises a lifting part and a supporting part, wherein the lifting part is in sliding connection with the supporting part, and the lifting part is positioned below the hole;
the lifting opening and closing mechanism is arranged in the inner cavity of the outer frame and comprises two sets of turning plate assemblies which are oppositely arranged on the lifting part of the lifting frame, the turning plate assemblies are provided with fixing parts and turning parts, the lower parts of the fixing parts are arranged on the lifting parts, the upper parts of the fixing parts are hinged with the turning parts, the outer sides of the turning parts are provided with force application parts which are used for being contacted with the top surface of the outer frame, and when the two turning parts are turned to be parallel to the top surface of the outer frame, the inner edges which are oppositely arranged are contacted with each other, so that a closed plane for plugging a hole is spliced;
The height adjusting mechanism is arranged in the inner cavity of the outer frame and comprises a driving motor for transmitting driving force, a rotating shaft for transmitting the driving force and a cam for driving the chassis of the height adjusting mechanism to vertically lift, an output shaft of the driving motor is connected with one end of the horizontally arranged rotating shaft through a coupler, the other end of the rotating shaft is fixedly provided with the cam, and the rolling edge of the cam is always in contact connection with the lifting part of the lifting frame and is used for pushing the lifting part to axially lift along the supporting part so as to adjust the distance between the lifting part and the top surface;
the lifting frame comprises a chassis serving as a lifting part and a sliding rail shaft serving as a supporting part, wherein the chassis is provided with a mounting hole for mounting a turning plate assembly of a lifting opening and closing mechanism and a through hole for the upper part of the sliding rail shaft to penetrate through, the lower part of the sliding rail shaft is fixedly arranged with the outer frame, the upper part of the sliding rail shaft penetrates through the through hole on the chassis, and the upper part of the sliding rail shaft are in clearance fit to form a moving pair, so that the chassis axially slides along the sliding rail shaft under the condition of stress;
the turnover plate assembly comprises a fixing frame serving as a fixing part and a turnover plate assembly serving as a turnover part, wherein the bottom of the fixing frame is arranged at a mounting hole of the chassis, and the fixing frames of the two sets of turnover plate assemblies are arranged oppositely; the turning plate assembly is hinged to the upper end of the fixing frame;
The turning plate assembly comprises a turning plate for being spliced into a closed plane and a connecting piece for driving the turning plate to turn over, and the turning plate is hinged to the upper part of the fixing frame through the connecting piece; the connecting piece is divided into an inner section and an outer section through a hinge point, wherein the inner section Duan Qianzhuang is arranged in an outer side mounting groove of the turning plate, the outer section is arranged at the outer side of the turning plate, and the end part of the outer section is used as a force application part of the turning plate assembly and used for being in line-surface contact with the top surface of the frame.
2. The lifting/lowering switching device based on the cam mechanism according to claim 1, wherein: the plane of the rolling edge of the cam is vertical to the top surface of the frame, so that the chassis is periodically and vertically lifted along the sliding rail shaft under the pushing of the cam.
3. The lifting/lowering switching device based on the cam mechanism according to claim 1, wherein: the flap assembly further comprises a positioning rib for positioning, wherein the positioning rib is fixedly arranged at the lower part of the fixing frame, and a positioning protrusion for positioning the chassis is arranged on the side surface of the bottom end of the positioning rib.
4. A lifting/lowering switch based on a cam mechanism as claimed in claim 3, wherein: the fixing frame comprises two fixing plates which are oppositely arranged, the bottom ends of the fixing plates are arranged at the mounting holes of the chassis, the positioning ribs are clamped between the two fixing plates through square pins, the top ends of the positioning ribs are lower than the top ends of the fixing plates, and a hinge cavity for hinging the connecting piece is reserved between the two oppositely arranged fixing plates so as to prevent the connecting piece from being blocked in the overturning process.
5. The lifting/lowering switch based on cam mechanism according to claim 4, wherein: the connecting piece is hinged with the corresponding fixing frame through the cylindrical pin, so that the connecting piece rotates around the cylindrical pin, and a plane formed in the rotating process of the connecting piece is perpendicular to the top surface of the outer frame.
6. The lifting/lowering switching device based on the cam mechanism according to claim 1, wherein: the top surface of the outer frame is horizontally arranged.
7. The lifting/lowering switching device based on the cam mechanism according to claim 1, wherein: the closing plane is a disc, and when the two overturning parts are overturned to be parallel to the top surface of the outer frame, the closing plane spliced by the two overturning parts is parallel to the top surface, and the closing plane is just plugged at the hole of the top surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910418930.1A CN110345216B (en) | 2019-05-20 | 2019-05-20 | Lifting opening and closing device based on cam mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910418930.1A CN110345216B (en) | 2019-05-20 | 2019-05-20 | Lifting opening and closing device based on cam mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110345216A CN110345216A (en) | 2019-10-18 |
| CN110345216B true CN110345216B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910418930.1A Active CN110345216B (en) | 2019-05-20 | 2019-05-20 | Lifting opening and closing device based on cam mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN110345216B (en) |
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| CN2792870Y (en) * | 2005-05-31 | 2006-07-05 | 王志光 | Automatic enclosed soft awning of carriage for self-unloding truck |
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| CN108001757A (en) * | 2016-10-27 | 2018-05-08 | 东洋自动机株式会社 | Pack the gripping mechanism of packing machine |
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| CN210371876U (en) * | 2019-05-20 | 2020-04-21 | 浙江工业大学 | Lifting opening and closing device based on cam mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4783622B2 (en) * | 2004-12-28 | 2011-09-28 | 株式会社湘南合成樹脂製作所 | Lining material reversing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1040257A (en) * | 1988-08-08 | 1990-03-07 | 范朝来 | On-off type screw arbor transmission mechanism for vertical elevating of leading screw |
| CN1041209A (en) * | 1988-09-14 | 1990-04-11 | 范朝来 | Improved folding screw mechanism with vertically elevating leading-screw |
| JPH0682648U (en) * | 1991-12-11 | 1994-11-25 | 加藤電機株式会社 | Document pressure plate opening / closing device |
| CN2792870Y (en) * | 2005-05-31 | 2006-07-05 | 王志光 | Automatic enclosed soft awning of carriage for self-unloding truck |
| KR101173433B1 (en) * | 2012-05-03 | 2012-08-16 | 반도건설주식회사 | Tube pulling device of a tube turning over apparatus for repairing pipeline under ground |
| CN108001757A (en) * | 2016-10-27 | 2018-05-08 | 东洋自动机株式会社 | Pack the gripping mechanism of packing machine |
| CN108679184A (en) * | 2018-06-11 | 2018-10-19 | 王小君 | A kind of device of wear compensation of cam drive |
| CN210371876U (en) * | 2019-05-20 | 2020-04-21 | 浙江工业大学 | Lifting opening and closing device based on cam mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110345216A (en) | 2019-10-18 |
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