CN209637466U - A kind of vacuum door knob - Google Patents
A kind of vacuum door knob Download PDFInfo
- Publication number
- CN209637466U CN209637466U CN201920179221.8U CN201920179221U CN209637466U CN 209637466 U CN209637466 U CN 209637466U CN 201920179221 U CN201920179221 U CN 201920179221U CN 209637466 U CN209637466 U CN 209637466U
- Authority
- CN
- China
- Prior art keywords
- piston
- cylinder barrel
- door knob
- limiting section
- annular gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The utility model provides a kind of vacuum door knob, belongs to door knob technical field.It solves the technical issues of market is to buffering door stop different demands.This Vacuum door is touched including cylinder barrel, piston and connecting rod, the connecting rod and piston are connected along axial, the outer peripheral surface of the piston cooperates with the sealing of the inner sidewall of the cylinder barrel and can be along axial direction sliding opposite with cylinder barrel, one end inner edge of the cylinder barrel is installed with annular gear edge circumferentially, the connecting rod is inserted along axial certainly interior through annular gear edge and protruding, the piston and annular gear form cushion chamber between, there is the air gap one that can be connected to extraneous holding on the inner wall of the cushion chamber, the elastic component resetted for controlling cushion chamber compression is additionally provided in this door knob.This Vacuum door touch with preferable buffering effect and assembly it is convenient.
Description
Technical field
The utility model belongs to door knob technical field, is related to a kind of vacuum door knob.
Background technique
When opening, door is influenced arbitrarily to rotate door by external force in order to prevent, is set between the lower backside and metope of common door
Door knob is set, suction base and suction two components of column can be pulled together by magnet suction to fix door by current door knob,
When being attracted such as when the fast speed of door rotation, the sound of shock is issued between suction base and suction column, and be easily damaged door-inhale
Influence the service life of door-inhale.To solve this problem, such as spring buffering is added in the technical staff in field in door-inhale part
Component is digested the momentum of door body collision by the deformation of buffer unit, achieved the effect that mute.
Applicant researches and develops a kind of air door-inhale before this in order to solve the above problem, is controlled by using stroke chamber and air flue empty
The flow velocity of gas medium realizes buffering effect, applies continuing the door knob for designing different principle to meet the diversified demand in market
Product.
Summary of the invention
The utility model aiming at the above problems existing in the prior art, provides a kind of vacuum door knob, the utility model institute
Technical problems to be solved are: how to realize the buffering effect of door knob.
The purpose of this utility model can be realized by the following technical scheme:
A kind of vacuum door knob, including cylinder barrel, piston and connecting rod, the connecting rod and piston are connected along axial, the piston
Outer peripheral surface cooperates with the sealing of the inner sidewall of the cylinder barrel and can be along axial direction sliding opposite with cylinder barrel, which is characterized in that the cylinder barrel
One end inner edge be installed with annular gear edge circumferentially, the connecting rod along it is axial from it is interior through the annular gear along and outward
It stretches out, the piston and annular gear form cushion chamber between, and having on the inner wall of the cushion chamber can be connected to external world's holding
Air gap one, the elastic component resetted for controlling cushion chamber compression is additionally provided in this door knob.
Connecting rod and piston are connected along axial, and piston can reciprocatingly slide in cylinder barrel along axial direction, can be with when using as door knob
Cylinder barrel or connecting rod one are fixed in metope, ground or door body, by the way that annular gear edge is arranged in one end inner edge of cylinder barrel, make to live
Plug and annular gear form cushion chamber between, and the shape of cushion chamber is in the form of a column, and section can be round, oval, rectangular or other
Multilateral abnormity, then the air gap one being in communication with the outside is set on the internal chamber wall of cushion chamber, in this way cylinder body or company when door knob works
By external axial momentum load, piston is opposite with cylinder body at this time slides and expands cushion chamber bar, makes the gas inside cushion chamber
Pressure quickly reduces, and dimension scale very little of the size of air gap one relative to cushion chamber, difficult in the extraneous air dielectric short time
Certain resistance is generated to fill cushion chamber absorbs momentum to realize buffering effect；By the way that elastic component control is arranged in door knob
Cushion chamber processed resets, and elastic component is capable of providing certain buffer damping, improves buffering effect, in this way bullet after door knob buffers work
Property part can act on and return to original state cushion chamber, realize reset function to prepare buffering next time and use.
In above-mentioned vacuum door knob, the inner edge on the outer peripheral surface of the connecting rod and annular gear edge, which seals, to be cooperated, described
Air gap one is opened in the annular gear along upper or be opened on the cylinder barrel.Edge is kept off by outer peripheral surface and annular that connecting rod is arranged
Inner edge sealing cooperation, cushion chamber entire so only pass through air gap one and are in communication with the outside, and guarantee buffering effect.
Alternatively, the air gap one is formed between the connecting rod and the inner edge on annular gear edge.Setting connects
Air gap one is formed between bar and the inner edge on annular gear edge, can be slightly less than annular gear edge by the way that the outer diameter of connecting rod is arranged in this way
Inner dimensions, can also be on connecting rod or the inner edge on annular gear edge opens up the slot of axially extending perforation, and such overall structure is more
Simplify and assemble it is convenient.
In above-mentioned vacuum door knob, the elastic component is pressure spring, and the other end of the cylinder barrel is equipped with limiting section, pressure spring edge
It axially abuts against and is set between the piston and limiting section.Limiting section is set by the other end in cylinder barrel, abuts against pressure spring and sets
It sets between piston and limiting section, assembling structure whole in this way is succinct, and pressure spring can continue force and reset cushion chamber, guarantee
Door knob reset effect.
In above-mentioned vacuum door knob, in a ring, the middle part of the limiting section has exhaust outlet, the limit to the limiting section
The inner sidewall threaded of portion's outer peripheral surface and the cylinder barrel and can be along axis reciprocating feed.By setting limiting section in a ring and with
The inner sidewall threaded of cylinder barrel can change the preload degree of elastic component by adjusting the feeding state of limiting section in this way, from
And realize the adjusting of door knob cushion rigidity；Exhaust outlet can guarantee fast in the air dielectric in buffering course between limiting section and piston
Speed discharge, avoiding the formation of excessive resistance causes door knob rigidity too strong.
Alternatively, the limiting section closes the other end of the cylinder barrel, shape between the limiting section and piston
There is the exhaust outlet that can be connected to extraneous holding at air cavity, on the side wall of the air cavity.By the way that limiting section is arranged by the another of cylinder barrel
It is closed at one end, and open up exhaust outlet in the side wall of cylinder barrel and be connected to air cavity, the impact strength of cylinder barrel end is improved in this way and slow
Exhaust outlet not will receive closure and influence during punching.
Alternatively, the limiting section closes the other end of the cylinder barrel, shape between the limiting section and piston
There is the air gap two that can be connected to extraneous holding at air cavity, in the cavity wall of the air cavity.By between setting limiting section and piston
Air cavity is formed, and the air gap two being in communication with the outside is set on the internal chamber wall of air cavity, the size of air gap two is smaller, buffered in this way
It can only be slowly discharged in the gas in middle air cavity, to generate resistance, further increase buffering effect.
Alternatively, the elastic component be tension spring and be located at the cushion chamber in, the both ends of tension spring respectively with institute
Piston is stated to be connected with annular gear edge.It is tension spring by setting elastic component, the both ends of tension spring is made to keep off edge with piston and annular respectively
Connection, tension spring opens when such cushion chamber is expanded, and buffering, which terminates after-contraction, resets cushion chamber, realizes reset effect.
In above-mentioned vacuum door knob, the inside on annular gear edge has limited block, and the limited block can be with the work
The side of plug leans.By annular gear edge inside be arranged limited block, such cushion chamber in reseting procedure piston by
The blocking of limited block will not be kept off with annular along be bonded, and fitting for a long time be avoided to be adhered, and being difficult to disengage when causing to be collided influences to delay
Rush effect.
In above-mentioned vacuum door knob, the outer peripheral surface of the piston offers seal groove circumferentially, the sealing
The sealing ring being sealed against with cylinder barrel inner sidewall is embedded in slot.Seal groove is set by the outer peripheral surface in piston and in seal groove
It is inside embedded sealing ring, improves the sealing effect of piston and inner casing in this way, guarantees that buffering effect is stablized.
Compared with prior art, as follows the advantages of the utility model:
1, this Vacuum door is touched by the way that annular gear edge is arranged in one end inner edge of cylinder barrel, forms piston and annular gear between
Cushion chamber, then the air gap one being in communication with the outside is set on the internal chamber wall of cushion chamber, in this way cylinder body or connecting rod when door knob works
By external axial momentum load, piston is opposite with cylinder body at this time slides and expands cushion chamber, makes the air pressure inside cushion chamber
Quickly reduce, and dimension scale very little of the size of air gap one relative to cushion chamber, it is difficult in the extraneous air dielectric short time
It fills cushion chamber and generates certain resistance and absorb momentum to realize buffering effect.
2, this Vacuum door, which is touched, controls cushion chamber reset by the way that elastic component is arranged in door knob, and elastic component is capable of providing certain
Buffer damping improves buffering effect, and elastic component can act on cushion chamber is made to be restored to initial shape after door knob buffers work in this way
State realizes reset function to prepare buffering next time and use.
Detailed description of the invention
Fig. 1 is the schematic perspective view of embodiment one.
Fig. 2 is the schematic perspective view of another angle of embodiment one.
Fig. 3 is the schematic diagram of the section structure of embodiment one.
Fig. 4 is the portion the A enlarged drawing in Fig. 3.
Fig. 5 is the schematic perspective view of embodiment two.
Fig. 6 is the schematic diagram of the section structure of embodiment two.
Fig. 7 is the schematic perspective view of embodiment three.
Fig. 8 is the schematic diagram of the section structure of embodiment three.
Fig. 9 is the schematic perspective view of example IV.
In figure, 1, cylinder barrel；2, piston；3, connecting rod；4, annular gear edge；5, cushion chamber；6, air gap one；7, elastic component；8, it limits
Position portion；9, exhaust outlet；10, air cavity；11, air gap two；12, limited block；13, seal groove；14, sealing ring.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Embodiment one:
As shown in Figs 1-4, this Vacuum door is touched including cylinder barrel 1, piston 2 and connecting rod 3, and connecting rod 3 and piston 2 are connected along axial,
The inner sidewall sealing of the outer peripheral surface and cylinder barrel 1 of piston 2 cooperates and can slide relatively along axial direction and cylinder barrel 1, one end inner edge of cylinder barrel 1
Annular gear circumferentially is installed with along 4, connecting rod 3 along it is axial from interior through annular gear along 4 and protruding, piston 2 and ring
Shape gear forms cushion chamber 5 between 4, and the air gap 1 that be connected to can be kept with the external world by having on the inner wall of cushion chamber 5, in this door knob
It is additionally provided with the elastic component 7 resetted for controlling the compression of cushion chamber 5.Connecting rod 3 is connected with piston 2 along axial, and piston 2 can exist along axial direction
It reciprocatingly slides in cylinder barrel 1, cylinder barrel 1 is fixed in metope, ground or door body when being used as door knob, by the one of cylinder barrel 1
It holds inner edge setting annular gear along 4, so that piston 2 and annular gear is formed cushion chamber 5 between 4, then set on the internal chamber wall of cushion chamber 5
The air gap 1 being in communication with the outside is set, cylinder body or connecting rod 3 are lived at this time by external axial momentum load when door knob works in this way
Plug 2 is opposite with cylinder body to be slided and expands cushion chamber 5, reduces the air pressure inside cushion chamber 5 quickly, and the size of air gap 1
Relative to the dimension scale very little of cushion chamber 5, it is difficult to fill cushion chamber 5 and generate centainly in the extraneous air dielectric short time
Resistance absorbs momentum to realize buffering effect；The reset of cushion chamber 5,7 energy of elastic component are controlled by the way that elastic component 7 is arranged in door knob
Certain buffer damping is enough provided, buffering effect is improved, elastic component 7 can act on and make cushion chamber after door knob buffers work in this way
5 return to original state, and realize reset function to prepare buffering next time and use.For further, the outer peripheral surface and annular of connecting rod 3
It keeps off and seals cooperation along 4 inner edge, air gap 1 is opened in annular gear along 4.It is kept off by outer peripheral surface and annular that connecting rod 3 is arranged along 4
Inner edge seal cooperation, cushion chamber 5 entire so is only in communication with the outside by air gap 1, guarantees buffering effect.Elastic component 7 is
The other end of pressure spring, cylinder barrel 1 is equipped with limiting section 8, and pressure spring is abutted against along axial direction to be set between piston 2 and limiting section 8.By in cylinder
Limiting section 8 is arranged in the other end of cylinder 1, abuts against pressure spring and is arranged between piston 2 and limiting section 8, assembling structure letter whole in this way
It is clean, and pressure spring can continue force and reset cushion chamber 5, guarantee door knob reset effect.Limiting section 8 in a ring, in limiting section 8
Portion has an exhaust outlet 9, the inner sidewall threaded of 8 outer peripheral surface of limiting section and cylinder barrel 1 and can be along axis reciprocating feed.Limiting section 8
Bottom have for the cutter groove using tool control rotation, pass through inner sidewall spiral shell of the setting limiting section 8 in a ring and with cylinder barrel 1
Cooperation is connect, the preload degree of elastic component 7 can be changed by adjusting the feeding state of limiting section 8 in this way, to realize that door knob is slow
Rush the adjusting of rigidity；Exhaust outlet 9 can guarantee quickly to be discharged in the air dielectric in buffering course between limiting section 8 and piston 2, is kept away
Exempting to form excessive resistance causes door knob rigidity too strong.
As shown in Figure 3, Figure 4, annular gear has limited block 12 along 4 inside, and limited block 12 can offset with the side of piston 2
It leans on.By annular gear along 4 inside be arranged limited block 12, such cushion chamber 5 in reseting procedure piston 2 by limited block 12
Blocking will not be bonded with annular gear along 4, avoid being bonded for a long time and be adhered, be difficult to disengage influence buffering when causing to be collided and imitate
Fruit.The outer peripheral surface of piston 2 offers seal groove 13 circumferentially, is embedded in seal groove 13 and seals with 1 inner sidewall of cylinder barrel
Against sealing ring 14.By the way that seal groove 13 is arranged in the outer peripheral surface of piston 2 and is embedded sealing ring 14 in seal groove 13, in this way
The sealing effect of piston 2 and inner casing is improved, guarantees that buffering effect is stablized.
Embodiment two:
As shown in Figure 5, Figure 6, the present embodiment is basically the same as the first embodiment, the difference is that: connecting rod 3 and annular gear edge
Air gap 1 is formed between 4 inner edge.Connecting rod 3 is set and annular gear forms air gap 1 between 4 inner edge, it in this way can be by setting
Set connecting rod 3 outer diameter be slightly less than annular gear along 4 inner dimensions, such overall structure more simplify and assemble it is convenient.Elasticity
Part 7 is tension spring and is located in cushion chamber 5 that the both ends of tension spring are connected with piston 2 and annular gear along 4 respectively.Pass through setting elasticity
Part 7 is tension spring, connect the both ends of tension spring with piston 2 and annular gear along 4 respectively, tension spring opens when such cushion chamber 5 is expanded, and delays
Punching, which terminates after-contraction, resets cushion chamber 5, realizes reset effect.
Embodiment three:
As shown in Figure 7, Figure 8, the present embodiment is basically the same as the first embodiment, the difference is that: connecting rod 3 is consolidated when use
Due in metope, ground or door body, limiting section 8 closes the other end of cylinder barrel 1, forms air cavity between limiting section 8 and piston 2
10, there is on the side wall of air cavity 10 exhaust outlet 9 that can be connected to extraneous holding.By the way that limiting section 8 is arranged by the other end of cylinder barrel 1
Closing, and open up exhaust outlet 9 in the side wall of cylinder barrel 1 and be connected to air cavity 10, the impact strength of 1 end of cylinder barrel is improved in this way and slow
Exhaust outlet 9 not will receive closure and influence during punching.
Example IV:
As shown in figure 9, the present embodiment and embodiment three are essentially identical, and the difference is that: limiting section 8 is another by cylinder barrel 1
It is closed at one end, air cavity 10 is formed between limiting section 8 and piston 2, and there is the gas that can be connected to extraneous holding in the cavity wall of air cavity 10
Gap 2 11.It is arranged with the external world even by forming air cavity 10 between setting limiting section 8 and piston 2, and on the internal chamber wall of air cavity 10
Logical air gap 2 11, the size of air gap 2 11 is smaller, and the gas in middle air cavity 10 buffered in this way can only slowly be discharged, thus
Resistance is generated, buffering effect is further increased.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (10)
1. a kind of vacuum door knob, including cylinder barrel (1), piston (2) and connecting rod (3), the connecting rod (3) and piston (2) are along axial solid
Even, the outer peripheral surface of the piston (2) and the inner sidewall of the cylinder barrel (1) sealing cooperate and can be relatively sliding along axial direction and cylinder barrel (1)
It is dynamic, which is characterized in that one end inner edge of the cylinder barrel (1) is installed with annular gear circumferentially along (4), the connecting rod (3)
(4) and protruding along axial certainly interior annular gear edge of running through, the piston (2) and annular keep off and form buffering between (4)
Chamber (5) has the air gap one (6) that can be connected to extraneous holding on the inner wall of the cushion chamber (5), is additionally provided with and is used in this door knob
Control the elastic component (7) that cushion chamber (5) compression resets.
2. vacuum door knob according to claim 1, which is characterized in that the outer peripheral surface of the connecting rod (3) and the annular are kept off
Cooperation is sealed along the inner edge of (4), the air gap one (6) is opened in the annular gear on (4) or is opened in the cylinder barrel (1)
On.
3. vacuum door knob according to claim 1, which is characterized in that the connecting rod (3) is with the annular gear along the interior of (4)
The air gap one (6) is formed between edge.
4. vacuum door knob according to claim 1 or 2 or 3, which is characterized in that the elastic component (7) is pressure spring, the cylinder
The other end of cylinder (1) is equipped with limiting section (8), and pressure spring is abutted against along axial direction to be set between the piston (2) and limiting section (8).
5. vacuum door knob according to claim 4, which is characterized in that the limiting section (8) in a ring, the limiting section (8)
Middle part there are exhaust outlet (9), the inner sidewall threaded of limiting section (8) outer peripheral surface and the cylinder barrel (1) and can be along axis
Line reciprocating feed.
6. vacuum door knob according to claim 4, which is characterized in that the limiting section (8) is by the another of the cylinder barrel (1)
End seal is closed, and forms air cavity (10) between the limiting section (8) and piston (2), and having on the side wall of the air cavity (10) can be with the external world
Keep the exhaust outlet (9) of connection.
7. vacuum door knob according to claim 4, which is characterized in that the limiting section (8) is by the another of the cylinder barrel (1)
End seal is closed, and forms air cavity (10) between the limiting section (8) and piston (2), and having in the cavity wall of the air cavity (10) can be with the external world
Keep the air gap two (11) of connection.
8. vacuum door knob according to claim 1 or 2 or 3, which is characterized in that the elastic component (7) is tension spring and is located at
In the cushion chamber (5), the both ends of tension spring are connected with the piston (2) and annular gear along (4) respectively.
9. vacuum door knob according to claim 1 or 2 or 3, which is characterized in that the annular gear has along the inside of (4)
Limited block (12), the limited block (12) can lean with the side of the piston (2).
10. vacuum door knob according to claim 1 or 2 or 3, which is characterized in that the outer peripheral surface of the piston (2) offers
Seal groove (13) circumferentially, the seal groove (13) is interior to be embedded with the sealing ring being sealed against with cylinder barrel (1) inner sidewall
(14)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920179221.8U CN209637466U (en) | 2019-02-01 | 2019-02-01 | A kind of vacuum door knob |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920179221.8U CN209637466U (en) | 2019-02-01 | 2019-02-01 | A kind of vacuum door knob |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209637466U true CN209637466U (en) | 2019-11-15 |
Family
ID=68493059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920179221.8U Active CN209637466U (en) | 2019-02-01 | 2019-02-01 | A kind of vacuum door knob |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209637466U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112352904A (en) * | 2020-11-09 | 2021-02-12 | 常宁超喜欢食品有限公司 | Vacuum pressure-changing buffering device for food processing |
| CN112664083A (en) * | 2020-12-25 | 2021-04-16 | 杨仕平 | A buffer for door |
-
2019
- 2019-02-01 CN CN201920179221.8U patent/CN209637466U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112352904A (en) * | 2020-11-09 | 2021-02-12 | 常宁超喜欢食品有限公司 | Vacuum pressure-changing buffering device for food processing |
| CN112664083A (en) * | 2020-12-25 | 2021-04-16 | 杨仕平 | A buffer for door |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209637466U (en) | A kind of vacuum door knob | |
| CN205298375U (en) | Gas spring damping bumper shock absorber | |
| CN108775368A (en) | Double grease chamber rigidity regulating oil gas springs | |
| CN104100673A (en) | Semi-active control hydraulic suspension for automobile powertrain | |
| CN208669920U (en) | Double grease chamber rigidity regulating oil gas springs | |
| CN106102519A (en) | There is the damper for hinge for furniture of built-in pressure control device | |
| CN104930017B (en) | Hydraulic device capable of adjusting buffer energy on two ends | |
| JP4166636B2 (en) | Self-contained two-way stroke end hydraulic shock absorber | |
| CN205298388U (en) | Damping air spring | |
| CN103968092A (en) | Axial-flow-type switch valve | |
| CN207417121U (en) | A kind of compressed spring type unmanned plane wing-folding unfolding mechanism | |
| CN209472738U (en) | A kind of wireless headset charging box | |
| CN205446253U (en) | Buffering hydraulic cylinder | |
| CN201636257U (en) | Double-working condition sealing ring piston type air damper | |
| CN109595288B (en) | Damping force adjusting mechanism | |
| CN109506033A (en) | A kind of guide electromagnetic valve | |
| CN203868364U (en) | Axial-flow type opening and closing valve | |
| CN207728964U (en) | A kind of Silent check valve | |
| CN107477133B (en) | A kind of single-piston rod hydraulic damper | |
| JP4228836B2 (en) | Electric expansion valve for refrigeration equipment | |
| CN209637469U (en) | A kind of reset air door knob | |
| CN216044288U (en) | Exhaust valve assembly, compressor and air conditioner | |
| CN110925344B (en) | Variable spring assembly | |
| CN203868393U (en) | Paste ball valve | |
| KR200281220Y1 (en) | An Absorber of the refrigerator's door |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |