CN208286715U - A kind of pedal lifting device - Google Patents
A kind of pedal lifting device Download PDFInfo
- Publication number
- CN208286715U CN208286715U CN201720849476.1U CN201720849476U CN208286715U CN 208286715 U CN208286715 U CN 208286715U CN 201720849476 U CN201720849476 U CN 201720849476U CN 208286715 U CN208286715 U CN 208286715U
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- piston
- cylinder
- pneumatic cylinder
- spring
- promotion
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Abstract
A kind of pedal lifting device disclosed by the utility model, air compression plant is stepped on including foot, device in one-way on state, air pressure jacking system, it includes promoting pedal that foot, which steps on air compression plant, piston-cylinder, piston and piston return spring, device in one-way on state includes unidirectional valve body, unidirectional valve ball and one-way valve spring, air pressure jacking system includes promoting pneumatic cylinder, pneumatic cylinder spring and ascending piston, piston-cylinder, pneumatic cylinder is promoted to be connected to by device in one-way on state, applicability is very strong, it is widely used, realize that the adjusting of height is very convenient and rapid by cylinder, and the control of check valve allows the device to that the needs that height holding meets various chairs or desk for a period of time will be adjusted.
Description
Technical field
The utility model relates to height adjustment technical field more particularly to a kind of pedal lifting devices.
Background technique
Currently, household tables and chairs, computer desk, desk or other desks and chair are in use, it is sometimes desirable to according to making
The height of user and the height for adjusting desk or chair, a kind of in extensive range, the foot referred here to of height adjustment device application
The formula lifting device of stepping on is the adjusting that seat height is realized by hoisting depth, which can keep one for height adjusted
The section time, improve the user satisfaction of height adjustment.
Utility model content
A kind of pedal lifting device, including foot step on air compression plant, device in one-way on state, air pressure jacking system,
Be characterized in that: it includes promoting pedal, piston-cylinder, piston and piston return spring, the list that the foot, which steps on air compression plant,
It include unidirectional valve body, unidirectional valve ball and one-way valve spring to conducting device, the air pressure jacking system includes promoting pneumatic cylinder,
Pneumatic cylinder spring and ascending piston, the piston-cylinder, the promotion pneumatic cylinder are connected to by the device in one-way on state.
It is characterized by: the outer surface of piston is bonded with the piston-cylinder inner wall, the piston return spring and institute
It is affixed to state piston lower surface, the piston return spring and the piston-cylinder lower surface are affixed.
It is characterized by: it further includes support rod that the foot, which steps on air compression plant, the support rod is stepped on close to the promotion
Plate position and piston push rod are hinged, and the support rod and the promotion pedal are affixed, and the support rod is mentioned by bracket with described
Liter pneumatic cylinder outer wall is hinged, and the piston push rod passes through the centre bore of the piston-cylinder upper surface and the piston upper surface is consolidated
It connects.
It is characterized by: the unidirectional valve body spring side is mutually used to the piston-cylinder, being mutually used to place is similar round hole；
The unidirectional valve ball is bonded by the one-way valve spring with the similar round hole.
It is characterized by: the pneumatic cylinder spring inside the lifting cylinder with the lifting cylinder close to ground side
Affixed, the ascending piston is affixed with the pneumatic cylinder spring inside the lifting cylinder.
It is characterized by: the promotion pneumatic cylinder spring side is connected with the inner hole of the unidirectional valve body.
It is characterized by also including support column and face is promoted, the support column includes guide pillars and bushes, and the guide post is rank
Terraced axis, the big section of the guide post and the face that promoted are affixed, and the segment of the guide post and the guide sleeve cooperate, and the guide sleeve and bottom plate are solid
It connects.
It is characterized by: the support column is at least 3.
It is characterized by also including support springs to be set between the guide post and the guide sleeve.
It is characterized by also including vent valve, the vent valve is arranged in the promotion pneumatic cylinder close to ground side.
The utility model has the following beneficial effects:
The utility model applicability is very strong, is widely used, and the promotion for stepping on to realize height by simple foot is very just
Benefit realizes that the adjusting of height is very convenient and rapid by cylinder, and either adult or child can easily lead to
It crosses foot and steps on control height, and the control of check valve allows the device to that height holding a period of time, vent valve will be adjusted
Setting can also embody safe guarantee, meet the needs of various chairs or desk.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is the structural representation left view of this practical pedal lifting device.
In figure, 1- foot steps on air compression plant；1-1-1- support rod；1-1-2- bracket；1-3-1- piston push rod；2- is unidirectional
Conducting device；The unidirectional valve body of 2-1-；The unidirectional valve ball of 2-2-；2-3- one-way valve spring；3- air pressure jacking system；3-1- promotes gas
Cylinder pressure；3-2- pneumatic cylinder spring；3-3- ascending piston；4- support column；5- vent valve；6- promotes face.
Fig. 2 is the structural representation front view of this practical pedal lifting device.
In figure, 1-1- promotes pedal；1-2- piston-cylinder；1-3- piston；1-4- piston return spring；4-1- guide post；4-
2- guide sleeve；4-3- support spring.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As illustrated in fig. 1 and 2, this practical a kind of pedal lifting device, including foot step on air compression plant 1, unidirectionally lead
Exchange device 2, air pressure jacking system 3, it includes promoting pedal 1-1, piston-cylinder 1-2, piston 1- that the foot, which steps on air compression plant 1,
3 and piston return spring 1-4, the device in one-way on state 2 include unidirectional valve body 2-1, unidirectional valve ball 2-2 and one-way valve spring
2-3, the air pressure jacking system 3 include promoting pneumatic cylinder 3-1, pneumatic cylinder spring 3-2 and ascending piston 3-3, the piston gas
Cylinder 1-2, the promotion pneumatic cylinder 3-1 are connected to by the device in one-way on state 2, so air pressure can be transmitted mutually, this is energy
Enough most important conditions of realization device enhanced feature.
As shown in Fig. 2, the outer surface the piston 1-3 is bonded with the piston-cylinder 1-2 inner wall, described in the present embodiment
Piston return spring 1-4 and the lower surface the piston 1-3 are affixed, under the piston return spring 1-4 and the piston-cylinder 1-2
Surface is affixed, and fitting here refers to that the piston 1-3 can be slided on the piston-cylinder 1-2 inner arm but there is no gas
The circulation of body makes the piston push rod 1-3-1 downlink by articulated link chain while the promotion pedal 1-1 downlink, to push away
The piston 1-3 downlink is moved, the air pressure in the piston-cylinder 1-2 is compressed, the piston return spring 1-4 is used for execution
After push the piston 1-3 return.
As described in Figure 1, in the present embodiment, it further includes support rod 1-1-1, the support that the foot, which steps on air compression plant 1,
Bar 1-1-1 is hinged close to the promotion position pedal 1-1 and piston push rod 1-3-1, and the support rod 1-1-1 is stepped on the promotion
Plate 1-1 is affixed, and the support rod 1-1-1 is hinged by bracket 1-1-2 and the promotion pneumatic cylinder 3-1 outer wall, and the piston pushes away
Bar 1-3-1 is affixed across the centre bore of the upper surface the piston-cylinder 1-2 and the upper surface the piston 1-3, the support rod 1-
Promote pedal 1-1 is hingedly to push the piston to push away after giving the promotion pedal 1-1 power to 1-1 close to described
Bar 1-3-1 downlink, the support rod 1-1-1 and bracket 1-1-2's hingedly allows the support rod 1-1-1 around hinged
Point does one section of circular motion, i.e., the described up and down motion for promoting pedal 1-1.
As described in Fig. 1 and 2, in the present embodiment, the unidirectional valve body 2-1 spring side and the piston-cylinder 1-2 phase
It is used to, being mutually used to place is similar round hole, is mutually used to the inner hole of the as unidirectional valve body 2-1 spring side and the piston-cylinder 1-2
Come round, the unidirectional valve ball 2-2 is bonded by the one-way valve spring 2-3 with the similar round hole, and fitting here refers to institute
State unidirectional valve ball 2-2 and push down the similar round hole so that in the original state in the piston-cylinder 1-2 with the check valve master
It is two not connected separate spaces in body 2-1, when the promotion pedal 1-1 drives the piston 1-3 downlink, the work
Piston cylinder 1-2 air pressure inside increases, and is greater than the unidirectional valve body 2-1 air pressure inside and the one-way valve spring 2-3 elastic force is made
Used time, the unidirectional valve ball 2-2 are opened, and the one-way valve spring 2-3 is compacted, the air pressure in the unidirectional valve body 2-1
Constant becomes larger, the piston return under the action of piston return spring 1-4, so that the unidirectional valve ball 2-2 is compressed again
The similar round hole repeats such.
In the present embodiment, the pneumatic cylinder spring 3-2 inside the promotion pneumatic cylinder 3-1 with the lifting cylinder 3-1
Affixed close to ground side, the ascending piston 3-3 is solid with the pneumatic cylinder spring 3-2 inside the promotion pneumatic cylinder 3-1
It connects, gas is transmitted in the promotion pneumatic cylinder 3-1 from the piston-cylinder 1-2 by the device in one-way on state 2, so that institute
It states promotion pneumatic cylinder 3-1 air pressure inside to become larger, and then the ascending piston 3-3 is pushed to realize lifting motion, the pneumatic cylinder bullet
Spring 3-2 plays buffer function and protection during decline in uphill process and makees for protecting the ascending piston 3-3
With.The promotion pneumatic cylinder 3-1 spring side is connected with the inner hole of the unidirectional valve body 2-1, and inner hole, which is connected, to be made
The promotion pneumatic cylinder 3-1 and the unidirectional valve body 2-1 internal gas flow communication are obtained, air pressure is identical.
It further include support column 4 and promotion face 6 in the present embodiment, the support column 4 includes guide post 4-1 and guide sleeve 4-2, institute
Stating guide post 4-1 is multi-diameter shaft, and the big section of the guide post 4-1 and promotion face 6 are affixed, the segment of the guide post and the guide sleeve 4-2
Cooperation, the guide sleeve 4-2 and bottom plate are affixed, and matching between the guide post 4-1 and the guide sleeve 4-2 is combined into clearance fit, generally
Using H8/f7, not only plays support and promote surface action, but also have accurate guiding role.The support column 4 is at least 3, generally
For triangular support be that comparison is firm, so using at least three support column, but triangle will spatially be easy to shake
It is dynamic, therefore use 4 support columns optimal.It further include that support spring 4-3 is set between the guide post 4-1 and the guide sleeve 4-2, institute
The protection guide post 4-1 and guide sleeve 4-2 can be played the role of by stating support spring 4-3, prevent the promotion pneumatic cylinder 3-1
Air pressure is too low to damage the support column 4 by pressure.
It further include vent valve 5 in the present embodiment, the vent valve 5 is arranged in the promotion pneumatic cylinder 3-1 close to ground one
Side, the vent valve 5 play the role of the protection lifting device.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical new to this
The conception and scope of type is defined.Without departing from the design concept of the present utility model, ordinary people in the field is to this
The all variations and modifications that the technical solution of utility model is made, should fall within the protection scope of the present utility model, this is practical
Novel claimed technology contents, are all described in the claims.
Claims (10)
1. a kind of pedal lifting device, including foot are stepped on air compression plant (1), device in one-way on state (2), air pressure jacking system
(3), it is characterised in that: it includes promoting pedal (1-1) that the foot, which steps on air compression plant (1), piston-cylinder (1-2), piston (1-
And piston return spring (1-4) 3)；The device in one-way on state (2) includes unidirectional valve body (2-1), unidirectional valve ball (2-2) and
One-way valve spring (2-3)；The air pressure jacking system (3) includes promoting pneumatic cylinder (3-1), pneumatic cylinder spring (3-2) and rising
Piston (3-3)；The piston-cylinder (1-2), the promotion pneumatic cylinder (3-1) are connected to by the device in one-way on state (2).
2. a kind of pedal lifting device according to claim 1, it is characterised in that: the piston outer surface (1-3) with
Piston-cylinder (1-2) the inner wall fitting, the piston return spring (1-4) and the lower surface the piston (1-3) are affixed, described
Piston return spring (1-4) and the lower surface the piston-cylinder (1-2) are affixed.
3. a kind of pedal lifting device according to claim 1, it is characterised in that: the foot steps on air compression plant
It (1) further include support rod (1-1-1), the support rod (1-1-1) is close to the promotion pedal position (1-1) and piston push rod
(1-3-1) hingedly, the support rod (1-1-1) and the promotion pedal (1-1) are affixed, and the support rod (1-1-1) passes through branch
Frame (1-1-2) and promotion pneumatic cylinder (3-1) outer wall are hinged, and the piston push rod (1-3-1) passes through the piston-cylinder (1-
2) centre bore of upper surface and the upper surface the piston (1-3) are affixed.
4. a kind of pedal lifting device according to claim 1, it is characterised in that: unidirectional valve body (2-1) bullet
Spring side is mutually used to the piston-cylinder (1-2), and being mutually used to place is similar round hole；The unidirectional valve ball (2-2) passes through described unidirectional
Valve spring (2-3) is bonded with the similar round hole.
5. a kind of pedal lifting device according to claim 1, it is characterised in that: the pneumatic cylinder spring (3-2) exists
The promotion pneumatic cylinder (3-1) is internal affixed close to ground side with the promotion pneumatic cylinder (3-1)；Ascending piston (the 3-
3) internal affixed with the pneumatic cylinder spring (3-2) in the promotion pneumatic cylinder (3-1).
6. a kind of pedal lifting device according to claim 1, it is characterised in that: promotion pneumatic cylinder (3-1) bullet
Spring side is connected with the inner hole of the unidirectional valve body (2-1).
7. a kind of pedal lifting device according to claim 1, it is characterised in that: further include support column (4) and promotion
Face (6), the support column (4) include guide post (4-1) and guide sleeve (4-2), and the guide post (4-1) is multi-diameter shaft, the guide post (4-
1) big section and promotion face (6) are affixed, and the segment of the guide post and the guide sleeve (4-2) cooperate, the guide sleeve (4-2) and bottom plate
It is affixed.
8. a kind of pedal lifting device according to claim 7, it is characterised in that: the support column (4) is at least 3
It is a.
9. a kind of pedal lifting device according to claim 7, it is characterised in that: further include that support spring (4-3) is set
It is placed between the guide post (4-1) and the guide sleeve (4-2).
10. a kind of pedal lifting device according to claim 1, it is characterised in that: it further include vent valve (5), it is described
Vent valve (5) setting is in the promotion pneumatic cylinder (3-1) close to ground side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720849476.1U CN208286715U (en) | 2017-07-13 | 2017-07-13 | A kind of pedal lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720849476.1U CN208286715U (en) | 2017-07-13 | 2017-07-13 | A kind of pedal lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208286715U true CN208286715U (en) | 2018-12-28 |
Family
ID=64697187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720849476.1U Expired - Fee Related CN208286715U (en) | 2017-07-13 | 2017-07-13 | A kind of pedal lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208286715U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131551A (en) * | 2019-04-16 | 2019-08-16 | 邱灿文 | A kind of woodworking machinery pedestal height-increasing device |
| CN112293950A (en) * | 2020-10-22 | 2021-02-02 | 北京工业大学 | A supplementary drawing device for industrial product design |
| CN112716219A (en) * | 2020-12-31 | 2021-04-30 | 武安市亿信机械设备维修有限公司 | Mobile communication cell-phone sales show shelf based on intelligent manufacturing |
| CN112775679A (en) * | 2019-11-05 | 2021-05-11 | 苏州铭烨晟精密机械有限公司 | Lifting machine base for numerical control lathe |
-
2017
- 2017-07-13 CN CN201720849476.1U patent/CN208286715U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131551A (en) * | 2019-04-16 | 2019-08-16 | 邱灿文 | A kind of woodworking machinery pedestal height-increasing device |
| CN110131551B (en) * | 2019-04-16 | 2020-10-27 | 义乌市诠铈新材料有限公司 | Woodworking machine base increases ware |
| CN112775679A (en) * | 2019-11-05 | 2021-05-11 | 苏州铭烨晟精密机械有限公司 | Lifting machine base for numerical control lathe |
| CN112293950A (en) * | 2020-10-22 | 2021-02-02 | 北京工业大学 | A supplementary drawing device for industrial product design |
| CN112293950B (en) * | 2020-10-22 | 2022-07-01 | 北京工业大学 | A supplementary drawing device for industrial product design |
| CN112716219A (en) * | 2020-12-31 | 2021-04-30 | 武安市亿信机械设备维修有限公司 | Mobile communication cell-phone sales show shelf based on intelligent manufacturing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181228 Termination date: 20200713 |