CN107890201B - Pressing device and lifting driving device - Google Patents
Pressing device and lifting driving device Download PDFInfo
- Publication number
- CN107890201B CN107890201B CN201711077490.5A CN201711077490A CN107890201B CN 107890201 B CN107890201 B CN 107890201B CN 201711077490 A CN201711077490 A CN 201711077490A CN 107890201 B CN107890201 B CN 107890201B
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- China
- Prior art keywords
- pressing
- shell
- lever
- gas spring
- ejector rod
- Prior art date
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Links
- 238000003825 pressing Methods 0.000 title claims abstract description 86
- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- 230000006978 adaptation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/10—Tables with tops of variable height with vertically-acting fluid cylinder
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B13/00—Details of tables or desks
- A47B13/02—Underframes
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/02—Tables or desks for office equipment, e.g. typewriters, keyboards with vertical adjustable parts
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/20—Telescopic guides
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B91/00—Feet for furniture in general
- A47B91/02—Adjustable feet
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
- A47C3/30—Chairs or stools with vertically-adjustable seats with vertically-acting fluid cylinder
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
- A47C3/40—Telescopic guides
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
Landscapes
- Chairs Characterized By Structure (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a pressing device, wherein one end of a shell is provided with a containing cavity axially arranged along the shell, the peripheral surface of the shell is provided with a mounting hole radially arranged along the shell, and the shell is provided with a first hinge component and a second hinge component which are positioned in the containing cavity; one part of the pressing component enters the accommodating cavity of the shell through the mounting hole, one end of the pressing component is movably connected with the first hinge component, the other end of the pressing component abuts against the inner wall surface of the shell, or the other end of the pressing component is connected with the inner wall of the shell through the telescopic component; the middle part of the lever is hinged with the second hinge component, the first end part of the lever is propped against the pressing component, the second end part of the lever is a load connecting end, and when acting force is applied to the first end part of the lever through the pressing component, the lever rotates around the second hinge component to enable the second end part to generate acting force to a load. The pressing device of the present invention may be embedded in and integrated with the object in use.
Description
Technical Field
The present invention relates to a pressing device and a lifting drive device.
Background
Spring-action lifting devices with fluid (e.g. gas or liquid) as damping medium are increasingly being used in furniture, for example publication number 106308039a discloses a lifting device in which one end of a spring is located in and fixed to one end of a first sleeve; the control assembly for controlling the opening or closing of the spring drives the connecting assembly to enable the valve of the spring to be opened or closed, and the control assembly is connected with the connecting assembly. The control assembly includes: the device comprises a driving lever, a support and a stay wire, wherein one end of the driving lever is provided with a sleeve for receiving a traction head of the stay wire, an arc-shaped groove is formed in the end face of the driving lever, which is provided with the sleeve, and the other end of the driving lever is provided with a handle which protrudes out of the surface of the driving lever.
During specific operation, the operator's hand holds up the actuating lever from the adaptation groove on the actuating lever, the actuating lever adds effort soon, the actuating lever rotates around the pin joint of spliced pole and first spliced pole, the actuating lever is at the rotation in-process, guide part is directed to the actuating lever, the actuating lever drives and draws wire and receive and releases along sheathed tube circumferencial direction, it is rotatory to draw wire drive the stay wire connecting piece, the valve core control lever displacement is moved to stay wire connecting piece top, thereby make the valve of spring open, fluid forms the flow in the inside of spring, exert effort to the piston rod of spring through another hand or other objects, thereby can make the piston rod go up and down, and then drive spring connecting piece and second sleeve in proper order and go up and down.
The control assembly is arranged on the lower surface of the tabletop, namely, the control assembly with the structure cannot be arranged in the first sleeve, otherwise, an operator cannot open or close the spring on the rotary control assembly, and therefore the purpose of controlling the tabletop to lift cannot be achieved. That is, the control assembly can only be mounted on the outside of the first sleeve or other parts, however, since the control assembly needs to be connected with the spring through the pull wire, a part of the control assembly and a part of the pull wire are exposed on the outside of the first sleeve, thereby affecting the appearance of the product.
Disclosure of Invention
The object of the present invention is to provide a pressing device which can be embedded in a used object and is integrated with the object.
The technical scheme for solving the technical problems is as follows:
a pressing device comprising:
The shell is provided with a containing cavity axially arranged along the shell, a mounting hole radially arranged along the shell is formed in the peripheral surface of the shell, and a first hinge component and a second hinge component which are positioned in the containing cavity are arranged on the shell;
A pressing part, a part of which enters into the accommodating cavity of the shell through the mounting hole, one end of the pressing part is movably connected with the first hinge part, the other end of the pressing part is propped against the inner wall surface of the shell, or the other end of the pressing part is connected with the inner wall of the shell through the telescopic part;
the middle part of the lever is hinged with the second hinge component, the first end part of the lever is propped against the pressing component, the second end part of the lever is a load connecting end, and when acting force is applied to the first end part of the lever through the pressing component, the lever rotates around the second hinge component to enable the second end part to generate acting force to a load.
The pressing device of the invention is composed of a shell, a pressing component and a lever, when the pressing component is applied with pressing force to generate force on the first end part of the lever, the lever rotates around the second hinge component to generate force on the load on the second end part, therefore, the pressing device can be directly embedded into a used object to form a whole with the object (such as a lifting driving device), and the pressing device is prevented from being separated into two parts, and the pressing device can be integrally embedded into the used object to integrate the two parts, so the pressing device is more attractive in appearance, and the pressing device is integrated with the used object, and the pressing device does not need to be detached from a table top like a conventional control assembly when being carried (the conventional control assembly is arranged on the table top and is connected with a connecting assembly of a gas spring output end arranged in a table leg through a stay wire, and therefore, if the table leg is independently carried, the control assembly is required to be detached from the table top).
Another object of the present invention is to provide a lift drive that is compact.
The technical scheme for solving the technical problems is as follows:
The lifting driving device comprises an outer tube, a gas spring ejector rod driving assembly and a stay wire assembly, wherein the gas spring is positioned in the outer tube, the lifting driving device further comprises an end cover and a pressing device, one end of the gas spring ejector rod driving assembly is positioned inside the end cover and fixedly connected with the end cover, the other end of the gas spring ejector rod driving assembly is positioned in the outer tube and fixedly connected with the outer tube, an ejector rod for opening the gas spring is arranged in a piston rod of the gas spring, the piston rod of the gas spring is fixedly connected with the gas spring ejector rod driving assembly, the ejector rod in the piston rod abuts against the gas spring ejector rod driving assembly, one end of the stay wire assembly is connected with the gas spring ejector rod driving assembly, the other end of the stay wire assembly is connected with a second end part of a lever of the pressing device, and a mounting hole is formed in the peripheral surface of the outer tube, and the pressing device is positioned in the mounting hole.
In the lifting driving device, the pressing device is embedded into the outer tube, and the stay wire assembly is hidden in the outer tube, so that the stay wire assembly cannot be seen from the outside of the lifting driving device, and the pressing component is pressed when in use and lifted along with the outer tube and other components, therefore, the lifting driving device has no influence on the use and is more compact and reasonable in structure after the pressing device is embedded into the outer tube.
It is a further object of the present invention to provide a use of the lifting drive.
The technical scheme for solving the technical problems is as follows:
The application of the lifting driving device is that the lifting driving device is applied to furniture or office desks and chairs.
The lifting driving device is applied to furniture or office tables and chairs, for example, a lifting table is formed, and because the table top is clamped between the outer tube and the supporting component, when the lifting driving device lifts, the table top and the supporting component lift together with the outer tube, so that the lifting of the table top can be driven by only one lifting driving device in terms of structure, the structure is simple, and the cost can be saved.
Drawings
Fig. 1 is a schematic structural view of a pressing device in the present invention;
FIG. 2 is a schematic view of a housing in the present invention;
FIG. 3 is a cross-sectional view of FIG. 1;
fig. 4 is a schematic view of a pressing member in the present invention;
FIG. 5 is a schematic view of a lever of the present invention;
FIG. 6 is a schematic view of a lifting device according to the present invention;
FIG. 7 is a schematic cross-sectional view of FIG. 6;
FIG. 8 is an enlarged view of a portion of FIG. 6;
FIG. 9 is a schematic view of a lift table according to the present invention;
FIG. 10 is an enlarged view of a partial section of FIG. 9;
FIG. 11 is a schematic view showing the lifting of the lifting table according to the present invention;
Fig. 12 is a schematic view of a display mounted on the elevating table of the present invention.
Detailed Description
As shown in fig. 1 to 5, the pressing device a of the present invention includes a housing 1, a pressing member 2, a lever 3, each of which is described in detail below along with the relationship therebetween:
As shown in fig. 1 to 3, the cross-sectional shape of the outline of the housing 1 may be various, for example, a rectangular cross-section, a polygonal cross-section, a circular cross-section, or the like, and in this embodiment, the shape of the housing 1 is preferably a substantially triangular shape, and each corner of the triangle adopts an arc transition. One end of the shell 1 is provided with a containing cavity 1a axially arranged along the shell, the peripheral surface of the shell 1 is provided with a mounting hole 1b radially arranged along the shell, and the shell 1 is provided with a first hinge component and a second hinge component which are positioned in the containing cavity; the first hinge component comprises a first support arm 1c and a first pin shaft 1d, and one end of the first support arm 1c is fixed with the shell 1; the first pin shaft is arranged at the other end of the first support arm. The end of the first support arm 1c connected with the shell 1 is provided with a through hole. The second hinge part comprises a second support arm 1e and a second pin shaft 1f, and one end of the second support arm 1e is fixed with the shell 1; the second pin 1f is arranged at the other end of the second support arm. The number of the second support arms 1e is preferably two, the two second support arms 1e are symmetrically arranged, and two ends of the second pin shaft 1f are respectively connected with the two second support arms 1 e.
The housing 1 is provided with a mounting part 1g for the housing, at least a part of the mounting part 1g is positioned in the accommodating cavity 1a, the accommodating cavity 1a penetrates to the other end of the housing 1 for a fastener to extend into the accommodating cavity 1a to be connected with the mounting part 1g, or the mounting part 1g extends to the outside of the accommodating cavity a to be connected with the fastener.
As shown in fig. 1,3 and 4, a part of the pressing component 2 enters the accommodating cavity 1a of the shell through the mounting hole 1b, one end of the pressing component 2 is movably connected with the first hinge component, in one or more embodiments, the pressing component 2 is preferably bent into a non-closed arc-shaped state by adopting a flat plate, a hinge seat 2a is arranged on the wall surface of the pressing component 2 facing the mounting hole 1b, and the pressing component 2 is connected with the first pin shaft 1d through the hinge seat 2 a. The other end of the pressing member 2 abuts against the inner wall surface of the housing 1, and when the end of the pressing member 2 is restricted, the pressing member 2 swings when the pressing member 2 rotates about the first pin 1d by applying pressure to the pressing member 2.
As shown in fig. 1,3 and 5, the lever 3 is located in the receiving chamber, the middle part of the lever 3 is hinged with the second hinge member, and the middle part of the lever 3 is provided with a hole through which the second pin shaft passes, so that the lever 3 is hinged on the second hinge member. The first end of the lever 3 abuts against the pressing member 2, and in one or more embodiments, the surface of the lever 3 against the pressing member 3 is a slope or an arc. The second end of the lever 2 is a load connection end, and when the pressing component applies an acting force to the first end of the lever, the lever 3 rotates around the second hinge component to enable the second end to generate an acting force to the load, so that the purpose of transmitting the opening acting force is achieved. The load is a load having a pulling force, such as a wire assembly, and the lever rotates about the second hinge member such that the force generated by the second end is opposite the pulling force of the load. The second end of the lever 3 is formed by two spaced hook members 3a, the hook members 3a being provided with grooves 3b which are arcuate, and when the load is a wire assembly, one end of the wire assembly is located in the groove 3b and the other end of the wire assembly passes through the space between the two hook members 3 a.
The present invention is not limited to the above embodiment, and for example, the other end of the pressing member 2 is connected to the inner wall of the housing 1 by a telescopic member, which is an elastic member, preferably a spring, one end of which is connected to the inner wall surface of the housing 1, and the other end of which is connected to the other end of the pressing member 2. In use, pressure is applied to the pressing member 2 to overcome the elastic force of the spring, and the lever 3 rotates about the second hinge member to cause the second end to exert a force on the load, thereby achieving the purpose of transmitting the opening force. The telescopic component can also be an energy accumulator, the energy accumulator preferably adopts an air cylinder, the cylinder body of the air cylinder is fixed on the inner wall surface of the shell 1, the piston rod of the air cylinder is connected with the pressing component, when the telescopic component is used, the pressure action is applied to the pressing component 2, the air in the air cylinder is compressed, and after the pressing component 2 is released, the air in the air cylinder expands to enable the piston rod to push the pressing component 2 to reset.
As shown in fig. 6 to 8, the lifting driving device B of the present invention includes an outer tube 4, a gas spring 5, a gas spring ejector rod driving assembly 6, and a wire pulling assembly 7, where the gas spring 5 is located in the outer tube 4, and further includes an end cover 8 and a pressing device a of the foregoing embodiment, a mounting hole is provided on a peripheral surface of the outer tube 4, and the pressing device a is embedded in the mounting hole, and may be fixed with the outer tube 4 as a whole or fastened with other components. One end of the gas spring ejector rod driving assembly 6 is positioned in the end cover 8 and fixedly connected with the end cover 8, the other end of the gas spring ejector rod driving assembly 6 is positioned in the outer tube 4 and fixedly connected with the outer tube 4, an ejector rod 5b for opening the gas spring is arranged in a piston rod 5a of the gas spring 5, and after the piston rod 5a of the gas spring 5 is fixedly connected with the gas spring ejector rod driving assembly 6, the ejector rod 5b in the piston rod 5a abuts against the gas spring ejector rod driving assembly 6.
The gas spring ejector rod driving assembly 6 comprises a connecting bracket 6a with a containing groove, a mounting seat 6b and a switch 6c, wherein the connecting bracket 6a is fixedly connected with an end cover 8 at one end, and the other end of the connecting bracket 6a is fixedly connected with the outer tube. At least a part of the mounting seat 6b is positioned in the accommodating groove of the connecting bracket 6a, the mounting seat 6b is fixedly connected with the connecting bracket 6a, a radial groove body 6d is arranged on the peripheral surface of the mounting seat 6a, an axial mounting hole is arranged at one end of the mounting seat 6b, and a piston rod of the gas spring extends into the mounting hole and is fastened with the mounting seat. After one end of the switch 6c extends into the groove body 6d on the mounting seat 6a and is hinged with the mounting seat 6b, the switch 6c abuts against the ejector rod in the piston rod 6a, and the other end of the switch 6c is positioned outside the mounting seat 6b and the connecting support 6a and is connected with the stay wire assembly 7.
One end of the stay wire assembly 7 is connected with the gas spring ejector rod driving assembly, one end of the stay wire assembly 7 is connected with the end portion of the switch 6c, which is positioned outside the connecting support 6a, and the other end of the stay wire assembly 7 is connected with the second end portion of the lever 3 of the pressing device A. The one end of switch 6c connection stay wire subassembly 7 with establish the mounting groove, stay wire subassembly 7 comprises first connector, stay wire, second connector, and first connector is connected with the one end of acting as go-between, and the other end of acting as go-between is connected with the second connector, and the shape of first connector and the shape looks adaptation of the mounting groove of switch 6c tip, the shape looks adaptation of recess 3b on second connector and the lever 3, during the installation, place first connector in the mounting groove of switch 6c, the adaptation of second connector is in recess 3 b.
In use, by applying a force to the pressing member 2 in the pressing device a, the force acts on the lever 3, the swinging of the lever 3 generates a force on the wire pulling assembly 7, so that the force acting on the pressing member 2 is transmitted to the switch 6c through the lever 3 and the wire pulling assembly 7, the switch 6c swings around the hinge point, thereby generating a force on the ejector rod 5B on the air spring 5 to change the pressure inside the air spring 5, so that the lifting driving device B can automatically rise, or the lifting driving device B can descend under the operation of an operator. For example, when the outer tube 4 is lifted, the piston rod 5a of the gas spring 5 is extended to push the gas spring jack driving unit 6, the wire pulling unit 7, the end cap 8, the outer tube 4 and the pressing device a mounted on the outer tube 4 to be lifted together. The descent process is opposite to the ascent process.
The application of the lifting driving device is that the lifting driving device is applied to furniture or office desks and chairs.
An embodiment of applying the lifting driving device to the lifting table, as shown in fig. 9 and 10, a lifting table C of the present invention includes a base 9, a table top 10, and further includes a supporting member 11 and lifting driving devices B in the above embodiment, the number of lifting driving devices B in the present embodiment is one, the gas springs 5 in the lifting driving devices B are fixed on the base 9, holes are formed on the supporting member 11, the supporting member 11 is sleeved on the gas springs 5, the supporting member 11 is fixedly connected with the housing 1 of the pressing device a, preferably, the supporting member 11 is fixedly connected with the mounting portion 1g, and after the supporting member 11 is fixedly connected with the mounting portion 1g, the table top is clamped between the outer tube and the supporting member, thus fixing the table top 10, the supporting member 11 and the lifting driving devices B into a whole. The support member 11 is provided with a radially extending lip, which is annular in shape, for lifting the table top 10. The supporting member 11 is located between the table top 10 and the base 9, and when the lifting driving device B is lowered to the lowest position, the table top 10 and the supporting member 11 are close to the base 9.
Still include inner tube 12, the one end of inner tube 12 is fixed on base 9, this inner tube 12 cover is on air spring 5, inner tube 12 is located between air spring 5 and the supporting part 11, the inside of air spring 5 clearance fit in inner tube 12, inner tube 12 and air spring form the restriction, can make air spring 5 keep better stability, outside inner tube 12, supporting part 11 and inner tube 12 clearance fit, the inner tube 12 has formed the guide effect when going up and down to supporting part 11, and then make the lift of desktop 10 more steady.
As shown in fig. 12, the display device further comprises a display 13, a bracket (not shown in the figure) is arranged on the outer peripheral surface of the outer tube, and the display 13 is mounted on the bracket, so that the display 13 can be lifted and lowered along with the lifting and lowering of the outer tube. The bracket is located at the upper part of the outer tube and thus the display 13 is also located at the upper part of the outer tube after being mounted on the bracket. The display may be a display with a PC (generally referred to as an integrated computer), a tablet PC, or a common display screen, and when in use, if the display with a PC or a tablet PC is used, the keyboard and the mouse are placed on the desktop 10 and connected to the display by wired or wireless means, if the display is a common display, the PC host is placed on the base and connected to the display, the keyboard and the mouse are placed on the desktop 10, and then the keyboard and the mouse are connected to the host.
In operation, by applying a force to the pressing member 2 in the pressing device a, the force acts on the lever 3, the swinging of the lever 3 generates a force on the wire pulling assembly 7, so that the force acting on the pressing member 2 is transmitted to the switch 6c through the lever 3 and the wire pulling assembly 7, the switch 6c swings around the hinge point, thereby generating a force on the ejector rod 5B on the air spring 5 to change the pressure inside the air spring 5, so that the lifting driving device B can automatically rise, or the lifting driving device B can descend under the operation of an operator. For example, when the lifting driving device B is lifted, the supporting member 11 is lifted, so as to lift the table top 10 (as shown in fig. 11), whereas when the lifting driving device B is lifted, the supporting member 11 and the table top 10 are lifted. The lifting driving device B is combined with the base 10 and the supporting part 11 to drive the tabletop to lift, so that the structure is novel and simple, occupies small space and is convenient to store.
Claims (8)
1. Pressing device, characterized in that it comprises:
The shell is provided with a containing cavity axially arranged along the shell, a mounting hole radially arranged along the shell is formed in the peripheral surface of the shell, and a first hinge component and a second hinge component which are positioned in the containing cavity are arranged on the shell;
A pressing part, a part of which enters into the accommodating cavity of the shell through the mounting hole, one end of the pressing part is movably connected with the first hinge part, the other end of the pressing part is propped against the inner wall surface of the shell, or the other end of the pressing part is connected with the inner wall of the shell through the telescopic part;
The middle part of the lever is hinged with the second hinge component, the first end part of the lever is propped against the pressing component, the second end part of the lever is a load connecting end, and when pressing acting force is applied to the pressing component to generate acting force on the first end part of the lever, the lever rotates around the second hinge component to enable the second end part to generate acting force on a load;
The load is a load with traction force, and the lever rotates around the second hinge part so that the force generated by the second end part is opposite to the traction force of the load;
the first hinge component comprises a first support arm, and one end of the first support arm is fixed with the shell;
the first pin shaft is arranged at the other end of the first support arm.
2. The pressing device according to claim 1, wherein the second hinge member includes:
The second support arm, one end of the second support arm is fixed with the shell;
the second pin shaft is arranged at the other end of the second support arm.
3. A pressing device according to claim 1, wherein the housing is provided with a mounting portion for the housing, at least a portion of which is located in a receiving cavity which extends through the other end of the housing for the fastener to extend into the receiving cavity for connection with the mounting portion or for the mounting portion to extend outside the receiving cavity for connection with the fastener.
4. The pressing device according to claim 1, wherein a surface of the first end portion of the lever against the pressing member is a slant or an arc.
5. The lifting driving device comprises an outer tube, a gas spring ejector rod driving assembly and a stay wire assembly, wherein the gas spring is positioned in the outer tube, the lifting driving device is characterized by further comprising an end cover and a pressing device according to any one of claims 1 to 4, one end of the gas spring ejector rod driving assembly is positioned inside the end cover and fixedly connected with the end cover, the other end of the gas spring ejector rod driving assembly is positioned in the outer tube and fixedly connected with the outer tube, an ejector rod for opening the gas spring is arranged in a piston rod of the gas spring, after the piston rod of the gas spring is fixedly connected with the gas spring ejector rod driving assembly, the ejector rod in the piston rod abuts against the gas spring ejector rod driving assembly, one end of the stay wire assembly is connected with the gas spring ejector rod driving assembly, the other end of the stay wire assembly is connected with a second end part of a lever of the pressing device, a mounting hole is formed in the peripheral surface of the outer tube, and the pressing device is positioned in the mounting hole.
6. The lift drive of claim 5, wherein the gas spring ram drive assembly comprises:
A connecting bracket with a containing groove, wherein the connecting bracket is fixedly connected with the end cover;
The mounting seat is positioned in the accommodating groove of the connecting bracket, the mounting seat is fixedly connected with the connecting bracket, a radial groove body is arranged on the peripheral surface of the mounting seat, an axial mounting hole is arranged at one end of the mounting seat, and a piston rod of the gas spring extends into the mounting hole and is fastened with the mounting seat;
and after one end of the switch stretches into the groove body on the mounting seat and is hinged with the mounting seat, the ejector rod in the switch piston rod abuts against the groove body, and the other end of the switch is positioned outside the mounting seat and the connecting support and is connected with the pull wire assembly.
7. Use of a lifting drive according to claim 5 or 6, in furniture or office tables and chairs.
8. The use according to claim 7, further comprising a display, wherein a bracket is provided on the outer circumferential surface of the outer tube when the lifting drive device is applied to a desk, and wherein the display is mounted on the bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711077490.5A CN107890201B (en) | 2017-11-06 | 2017-11-06 | Pressing device and lifting driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711077490.5A CN107890201B (en) | 2017-11-06 | 2017-11-06 | Pressing device and lifting driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107890201A CN107890201A (en) | 2018-04-10 |
| CN107890201B true CN107890201B (en) | 2024-05-07 |
Family
ID=61804064
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711077490.5A Active CN107890201B (en) | 2017-11-06 | 2017-11-06 | Pressing device and lifting driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107890201B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110150856A (en) * | 2019-06-04 | 2019-08-23 | 昆山泓杰电子股份有限公司 | Structure improved desktop lifting work station |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN1863699A (en) * | 2003-10-03 | 2006-11-15 | 高技术投资有限公司 | Damping device for traction ropes of cable cars |
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| CN106308039A (en) * | 2016-10-20 | 2017-01-11 | 安徽莱特气弹簧有限公司 | Lifting device and lifting table |
| CN206434000U (en) * | 2016-09-07 | 2017-08-25 | 可提雅实业有限公司 | Vapour-pressure type synchronization lifting table structure |
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| CN1863699A (en) * | 2003-10-03 | 2006-11-15 | 高技术投资有限公司 | Damping device for traction ropes of cable cars |
| CN101559592A (en) * | 2009-05-19 | 2009-10-21 | 谢翠斌 | Air-powered elevated working platform |
| CN201415398Y (en) * | 2009-05-19 | 2010-03-03 | 谢翠斌 | Pneumatic lifting working table |
| CN102297323A (en) * | 2010-07-13 | 2011-12-28 | 祁镔权 | Notebook computer stand |
| CN202774917U (en) * | 2012-07-10 | 2013-03-13 | 温州市航标实业有限公司 | Automatic rising-lowering lifting table |
| CN102871345A (en) * | 2012-09-15 | 2013-01-16 | 常州市万翔车辆部件有限公司 | Folding workbench and lifting work table |
| CN203374303U (en) * | 2013-07-19 | 2014-01-01 | 淮南润成科技股份有限公司 | Negative pressure water releasing device |
| CN105105508A (en) * | 2015-07-21 | 2015-12-02 | 蒋黎航 | Diameter-variable folding dining-table |
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| CN106308039A (en) * | 2016-10-20 | 2017-01-11 | 安徽莱特气弹簧有限公司 | Lifting device and lifting table |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107890201A (en) | 2018-04-10 |
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Effective date of registration: 20180810 Address after: 213200 168 Huacheng Road, Jintan District, Changzhou, Jiangsu Applicant after: JIANGSU JELT LIFTING SYSTEM Co.,Ltd. Address before: 213000 No. 10 Xinya Road, national hi tech Industrial Development Zone, Changzhou, Jiangsu Applicant before: CHANGZHOU GLACT LIFTING SYSTEM CO.,LTD. |
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Effective date of registration: 20220519 Address after: 213000 No. 18, Fuxing South Road, Jintan District, Changzhou City, Jiangsu Province Applicant after: Jiangsu Jiete Intelligent Furniture Co.,Ltd. Address before: 213200 168 Huacheng Road, Jintan District, Changzhou, Jiangsu Applicant before: JIANGSU JELT LIFTING SYSTEM Co.,Ltd. |
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