CN210371876U - Lifting opening and closing device based on cam mechanism - Google Patents
Lifting opening and closing device based on cam mechanism Download PDFInfo
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- CN210371876U CN210371876U CN201920722403.5U CN201920722403U CN210371876U CN 210371876 U CN210371876 U CN 210371876U CN 201920722403 U CN201920722403 U CN 201920722403U CN 210371876 U CN210371876 U CN 210371876U
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- turning plate
- top surface
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- 230000007246 mechanism Effects 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 8
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 230000007306 turnover Effects 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 6
- 210000003205 muscle Anatomy 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000007792 addition Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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Abstract
A lifting opening and closing device based on a cam mechanism comprises: the rack comprises an outer frame and a lifting frame, and the top surface of the outer frame is provided with a hole communicated with the inner cavity; 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 oppositely arranged on a lifting part of the lifting frame, each turning plate assembly is provided with a fixing part and a turning part, the lower part of each fixing part is arranged on the lifting part, the upper part of each fixing part is hinged with the turning part, and the outer side of each turning part is provided with a force application part; 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 utility model has the advantages that: 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 closed plane and the original plane is realized.
Description
Technical Field
The utility model belongs to the technical field of the closing mechanism and specifically relates to a lift switching device based on cam mechanism.
Background
At present, various opening and closing devices in life are available, and the opening and closing movement of an automatic opening and closing device is mostly realized based on a link mechanism, which is simple and convenient to install, but has a large installation plane and low bearing strength. Meanwhile, the opening and closing device using the link mechanism cannot be miniaturized and cannot be opened and closed in a small space.
Disclosure of Invention
The utility model provides a cam type switching device to the above-mentioned problem that automatic closing mechanism current situation exists. The device is mainly used for realizing the opening and closing of a smaller space. And simultaneously, the utility model discloses can realize the switching device at the steady switching of switching in-process, realize closed plane and top surface coincidence simultaneously.
A lift switching device based on cam mechanism, a serial communication port, include:
the rack comprises an outer frame and a lifting frame, and the top surface of the outer frame is provided with a hole which can be communicated with the inner cavity; 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 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 oppositely arranged on a lifting part of the lifting frame, each turning plate assembly is provided with a fixing part and a turning part, the lower part of each fixing part is arranged on the lifting part, the upper part of each fixing part is hinged with the turning part, a force application part for contacting with the top surface of the outer frame is arranged on the outer side of each turning part, and when the two turning parts are turned to be parallel to the top surface of the outer frame, the inner edges of the two turning parts which are oppositely arranged are contacted with each other, so;
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 horizontally arranged through a coupler, the other end of the rotating shaft is fixedly provided with the cam, the rolling edge of the cam is always in contact connection with the lifting part of the lifting frame, and the cam 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 crane comprises a chassis as a lifting part and a slide rail shaft as a supporting part, wherein the chassis is provided with a mounting hole for mounting a plate turning assembly of the lifting opening and closing mechanism and a through hole for penetrating through the upper part of the slide rail shaft, the lower part of the slide rail shaft is fixedly mounted with an outer framework, the upper part of the slide rail shaft penetrates through the through hole on the chassis, and the upper part of the slide rail shaft and the outer framework are in clearance fit to form a sliding pair, so that the chassis slides axially along the slide rail shaft under the.
The turning plate assembly comprises a fixed frame serving as a fixed part and a turning plate assembly serving as a turning part, wherein the bottom of the fixed frame is arranged at a mounting hole of the chassis, and the fixed frames of the two turning plate assemblies are kept oppositely arranged; the turning plate component is hinged at the upper end of the fixed frame.
The turning plate assembly comprises a turning plate and a connecting piece, the turning plate is used for splicing a closed plane, the connecting piece is used for driving the turning plate to turn, 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 is embedded in an outer side mounting groove of the turning plate, the outer section is arranged on 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 is used for forming line-surface contact with the top surface of the frame.
The plane where the rolling edge of the cam is located is vertical to the top surface of the frame, so that the chassis can periodically and vertically lift along the sliding rail shaft under the pushing of the cam.
The turnover plate assembly further comprises a positioning rib for positioning, the positioning rib is fixedly arranged at the lower part of the fixing frame, and a positioning bulge for positioning the chassis is arranged on the side face of the bottom end of the positioning rib.
The mount includes the fixed plate of two relative settings, and the mounting hole department on the chassis is installed to the fixed plate bottom, and the location muscle is pressed from both sides between two fixed plates through square round pin, and the top of location muscle is less than the top of fixed plate for leave the articulated chamber that is used for articulated connecting piece between the fixed plate of two relative settings, prevent that the connecting piece is obstructed at the upset in-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 closed plane is a disc, and when the two turnover parts are turned to be parallel to the top surface of the outer frame, the closed plane formed by splicing the two turnover parts is flush with the top surface and just blocks the hole on the top surface.
The utility model has the advantages that: 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 closed plane and the original plane is realized.
Drawings
FIG. 1 is an oblique side view of the device of the present invention when closed (no plane);
fig. 2 is one of the side views of the device of the present invention when closed (no plane);
fig. 3 is a rear view of the device of the present invention when open (no plane);
fig. 4 is a top view of the device of the present invention when open (no plane);
fig. 5 is a front view of the device of the present invention when closed (with a flat surface);
FIG. 6 is a frame structure of the present invention;
FIG. 7 is a (planar) block diagram of the device of the present invention when closed;
figure 8 is an oblique view of the device of the present invention when open (with a flat surface).
Figure 9 is a front view of the device of the present invention when open (with a flat surface).
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
With reference to the accompanying drawings:
embodiment 1 a lifting opening and closing device based on a cam mechanism according to this embodiment includes:
the frame 1 comprises an outer frame 11 and a lifting frame 12, wherein the top surface of the outer frame 1 is provided with a hole 11 which can be communicated with the inner cavity; 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 connected with the supporting part in a sliding manner, 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 oppositely arranged on a lifting part of the lifting frame, each turning plate assembly is provided with a fixing part and a turning part, the lower part of each fixing part is arranged on the lifting part, the upper part of each fixing part is hinged with the turning part, a force application part for contacting with the top surface of the outer frame is arranged on the outer side of each turning part, and when the two turning parts are turned to be parallel to the top surface of the outer frame, the inner edges of the two turning parts oppositely arranged are contacted with each other, so that a;
and 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 the 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 horizontally arranged through a coupler 34, the other end of the rotating shaft 32 is fixedly provided with the cam, the rolling edge of the cam 33 is always in contact connection with the lifting part of the lifting frame 2, and the cam 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 base plate 121 serving as a lifting part and a slide rail shaft 122 serving as a supporting part, wherein the base plate 121 is provided with a mounting hole for mounting a turning plate assembly of the lifting opening and closing mechanism and a through hole for penetrating through the upper part of the slide rail shaft, the lower part of the slide rail shaft 122 is fixedly mounted with an outer frame, the upper part of the slide rail shaft penetrates through the through hole in the base plate, and the upper part of the slide rail shaft and the through hole are in clearance fit to form a sliding pair, so that the base plate slides axially along.
The flap assembly 21 comprises a fixed frame 211 serving as a fixed part and a flap assembly 212 serving as a turning part, wherein the bottom of the fixed frame 211 is installed at an installation hole of the chassis 121, and the fixed frames 211 of the two flap assemblies 212 are kept oppositely arranged; the flap assembly 212 is hinged at the upper end of the fixed frame 211.
The turning plate assembly 212 comprises a turning plate 2121 for splicing into a closed plane and a connecting piece 2122 for driving the turning plate to turn, and the turning plate 2121 is hinged to the upper part of the fixed 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 is embedded in an outer side mounting groove of the turning plate, the outer section is arranged on 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 is used for forming 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 lifted vertically along the slide rail shaft 122 under the pushing of the cam 33.
The flap assembly 212 further includes a positioning rib 2123 for positioning, the positioning rib 2123 is fixedly mounted at the lower portion of the fixing frame 211, wherein a positioning protrusion for positioning the chassis 121 is disposed on a side surface of a bottom end 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 to prevent the connecting piece 2122 from being blocked in the overturning process.
The connecting members 2122 are hinged to the corresponding fixing frame 211 by means of cylindrical pins 2125, so that the connecting members rotate about the cylindrical pins 2125, and a plane formed during the rotation of the connecting members 2122 is perpendicular to the top surface of the outer frame 11.
The top surface of the outer frame 11 is horizontally disposed.
The closed plane is a disc, and when the two turnover parts are turned to be parallel to the top surface of the outer frame, the closed plane formed by splicing the two turnover parts is flush with the top surface and just blocks the hole on the top surface.
Example 2 in this example: the chassis is provided with four rectangular slotted holes and four mounting holes for realizing the matching with the fixed frame and the sliding rail shaft, wherein the chassis is fixedly connected with the fixed frame, the bottom of the fixed frame forms a guide rail for realizing the matching with the cam, and the guide rail forms clearance matching with the sliding rail shaft and forms a moving pair. The fixing frames are in a group, mounting holes are formed in the fixing frames and are used for being connected with the turnover plate assembly to form a rotating pair, and the fixing frames are matched with the rectangular slot holes in the chassis through positioning ribs, the square pins and the rectangular slot holes in the chassis to realize the fixing of the fixing frames on the chassis. The turning plate assembly comprises a turning plate and a connecting piece, the turning plate and the connecting piece 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 turning plate and the plane, and when the chassis continues to ascend, the turning plate rotates under the action of pressure and finally keeps flush with the top surface. Meanwhile, four rectangular mounting holes are formed in the base plate, wherein every two mounting holes are divided into two groups in a pair mode, and the mounting holes and the sliding rail shaft form interference fit to play a role in fixing the sliding rail shaft. The slide rail shaft is an optical axis and is used for realizing the vertical up-and-down motion of the chassis. And the cam and the rotating shaft are in interference fit and fixedly connected. The motor is connected with the rotating shaft through the coupler, so that the cam is rotated.
Example 3 in this example: the turning plate is adhered to the connecting piece in an interference fit mode through the outer side installation groove to form a turning plate assembly. The turnover plate assembly and the fixed 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 matching with the cam. The positioning ribs and the fixed frame are in interference fit and form fixed connection through square pins, and finally the positioning ribs and the fixed frame are connected with the chassis. The chassis realizes the vertical up-and-down movement of the lifting opening and closing mechanism through the connection of the positioning ribs and the sliding rail shaft.
The motor is connected with the rotating shaft through the coupler, so that the cam is rotated.
Turn over board, connecting piece and realize location and interference fit through outside mounting groove, be convenient for form through the adhesion and turn over the board subassembly for realize the opening and closing motion of structure. The outer end of the connecting piece is used for realizing line-surface contact between the connecting piece and the plane, and the connecting piece is overturned under the action of pressure applied by the plane, and finally, the surfaces of the two overturning plates are kept flush with the top surface, so that the holes are blocked.
The cylindrical pin is used for realizing the 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 the quick turning of the turning plate.
The location muscle is used for realizing fixing between mount and the chassis and plays certain positioning action, and the connection adhesion of the device of being convenient for can reduce the atress of mount simultaneously, improves the holistic steadiness of device and the stability of motion. The guide rail is formed at the bottom of the bottom plate, and plays a certain limiting role in the movement of the cam to prevent the cam from sideslipping on the chassis, so that the movement stability of the device is improved.
The fixing frames are a pair, and two square grooves are formed in the fixing frames respectively and used for realizing connection of the square pins and the positioning ribs, a certain positioning effect is achieved, adhesion of the device is facilitated, and overall stability of the device is improved.
The square pin is used for realizing the matching and the positioning between the positioning rib and the fixing frame, so that the square pin and the bottom plate are convenient to adhere to form a whole, and the stability of the device is improved.
The slide 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 a lifting mode, ensuring that the chassis cannot turn over, 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 the vertical motion of the lifting opening and closing mechanism, and the stability of the chassis in the lifting process is improved by matching with the sliding rail shaft.
The cam and the rotating shaft jointly form a cam mechanism, and the lifting of the lifting opening and closing mechanism is realized.
The coupler and the motor are used for driving the cam to rotate so as to realize the lifting of the lifting opening and closing mechanism.
It should be noted in particular that, in order to ensure that the plane has good stability and protection during the closing process, the edge of the flap cannot be subjected to large pressure.
And (4) explanation. Modifications and additions may be made to the described embodiments by those skilled in the art or they may be substituted in a similar manner without departing from the spirit of the invention or exceeding the scope thereof as defined by the annexed claims.
Although the terms flap, connector, cylindrical pin, positioning rib, fixing bracket, square pin, slide rail shaft, chassis, cam, rotating shaft, coupling, motor, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
The embodiments described in this specification are merely illustrative of implementations of the inventive concepts, and the scope of the invention should not be considered limited to the specific forms set forth in the embodiments, but rather the scope of the invention includes equivalent technical means that can be conceived by those skilled in the art based on the inventive concepts.
Claims (10)
1. A lifting opening and closing device based on a cam mechanism is characterized by comprising:
the rack comprises an outer frame and a lifting frame, and the top surface of the outer frame is provided with a hole which can be communicated with the inner cavity; 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 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 oppositely arranged on a lifting part of the lifting frame, each turning plate assembly is provided with a fixing part and a turning part, the lower part of each fixing part is arranged on the lifting part, the upper part of each fixing part is hinged with the turning part, a force application part for contacting with the top surface of the outer frame is arranged on the outer side of each turning part, and when the two turning parts are turned to be parallel to the top surface of the outer frame, the inner edges of the two turning parts which are oppositely arranged are contacted with each other, so;
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 horizontally arranged through a coupler, the other end of the rotating shaft is fixedly provided with the cam, the rolling edge of the cam is always in contact connection with the lifting part of the lifting frame, and the cam 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.
2. The lifting opening and closing device based on the cam mechanism as claimed in claim 1, wherein: the crane comprises a chassis as a lifting part and a slide rail shaft as a supporting part, wherein the chassis is provided with a mounting hole for mounting a plate turning assembly of the lifting opening and closing mechanism and a through hole for penetrating through the upper part of the slide rail shaft, the lower part of the slide rail shaft is fixedly mounted with an outer framework, the upper part of the slide rail shaft penetrates through the through hole on the chassis, and the upper part of the slide rail shaft and the outer framework are in clearance fit to form a sliding pair, so that the chassis slides axially along the slide rail shaft under the.
3. The lifting opening and closing device based on the cam mechanism as claimed in claim 1, wherein: the turning plate assembly comprises a fixed frame serving as a fixed part and a turning plate assembly serving as a turning part, wherein the bottom of the fixed frame is arranged at a mounting hole of the chassis, and the fixed frames of the two turning plate assemblies are kept oppositely arranged; the turning plate component is hinged at the upper end of the fixed frame.
4. The lifting opening and closing device based on the cam mechanism as claimed in claim 3, wherein: the turning plate assembly comprises a turning plate and a connecting piece, the turning plate is used for splicing a closed plane, the connecting piece is used for driving the turning plate to turn, 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 is embedded in an outer side mounting groove of the turning plate, the outer section is arranged on 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 is used for forming line-surface contact with the top surface of the frame.
5. The lifting opening and closing device based on the cam mechanism as claimed in claim 1, wherein: the plane where the rolling edge of the cam is located is vertical to the top surface of the frame, so that the chassis can periodically and vertically lift along the sliding rail shaft under the pushing of the cam.
6. The lifting opening and closing device based on the cam mechanism as claimed in claim 3, wherein: the turnover plate assembly further comprises a positioning rib for positioning, the positioning rib is fixedly arranged at the lower part of the fixing frame, and a positioning bulge for positioning the chassis is arranged on the side face of the bottom end of the positioning rib.
7. The lifting opening and closing device based on the cam mechanism as claimed in claim 6, wherein: the mount includes the fixed plate of two relative settings, and the mounting hole department on the chassis is installed to the fixed plate bottom, and the location muscle is pressed from both sides between two fixed plates through square round pin, and the top of location muscle is less than the top of fixed plate for leave the articulated chamber that is used for articulated connecting piece between the fixed plate of two relative settings, prevent that the connecting piece is obstructed at the upset in-process.
8. The lifting opening and closing device based on the cam mechanism as claimed in claim 7, 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.
9. The lifting opening and closing device based on the cam mechanism as claimed in claim 1, wherein: the top surface of the outer frame is horizontally arranged.
10. The lifting opening and closing device based on the cam mechanism as claimed in claim 1, wherein: the closed plane is a disc, and when the two turnover parts are turned to be parallel to the top surface of the outer frame, the closed plane formed by splicing the two turnover parts is flush with the top surface and just blocks the hole on the top surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920722403.5U CN210371876U (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 |
|---|---|---|---|
| CN201920722403.5U CN210371876U (en) | 2019-05-20 | 2019-05-20 | Lifting opening and closing device based on cam mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210371876U true CN210371876U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920722403.5U Expired - Fee Related CN210371876U (en) | 2019-05-20 | 2019-05-20 | Lifting opening and closing device based on cam mechanism |
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| Country | Link |
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| CN (1) | CN210371876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345216A (en) * | 2019-05-20 | 2019-10-18 | 浙江工业大学 | A kind of lifting and opening/closing device based on cam mechanism |
-
2019
- 2019-05-20 CN CN201920722403.5U patent/CN210371876U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345216A (en) * | 2019-05-20 | 2019-10-18 | 浙江工业大学 | A kind of lifting and opening/closing device based on cam mechanism |
| CN110345216B (en) * | 2019-05-20 | 2024-05-03 | 浙江工业大学 | Lifting opening and closing device based on cam mechanism |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 |