CN112460199B - Buffer mechanism in mask belt tensioning device - Google Patents
Buffer mechanism in mask belt tensioning device Download PDFInfo
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- CN112460199B CN112460199B CN202011238959.0A CN202011238959A CN112460199B CN 112460199 B CN112460199 B CN 112460199B CN 202011238959 A CN202011238959 A CN 202011238959A CN 112460199 B CN112460199 B CN 112460199B
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- Prior art keywords
- buffer
- rod
- cylinder
- connecting seat
- mask belt
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
- F16F15/085—Use of both rubber and metal springs
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H43/00—Other methods, machines or appliances
- A41H43/02—Handling garment parts or blanks, e.g. feeding, piling, separating or reversing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Combustion & Propulsion (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention provides a buffer mechanism in a mask belt tensioning device, and belongs to the technical field of machinery. It has solved prior art and has had the poor problem of stability. This buffer gear among gauze mask area overspeed device tensioner is located and pushes away a section of thick bamboo inboard, including pendulum rod, buffer cylinder, gag lever post and buffering subassembly, above-mentioned push away a section of thick bamboo inboard has recessed connecting seat, above-mentioned pendulum rod inner articulates in the connecting seat, and it is inboard that the push away a section of thick bamboo is stretched out to the pendulum rod outer end, and above-mentioned buffer cylinder links firmly at the pendulum rod middle part, and above-mentioned gag lever post links firmly in connecting seat lower part department and buffer cylinder downside and supports and lean on the gag lever post, and above-mentioned buffering subassembly is connected and is located and cushion the subassembly and have the trend that supports and lean on at buffer cylinder upside department at connecting seat upper portion. This buffer gear among gauze mask area overspeed device tensioner stability is high.
Description
Technical Field
The invention belongs to the technical field of machinery, and relates to a buffer mechanism in a mask belt tensioning device.
Background
The mask belt tensioning device comprises connecting rods, two guide rods, two return springs and a push cylinder, the inner ends of the connecting rods are hinged to the guide rods, the push cylinder is sleeved on the guide rods, the number of the connecting rods is two, the two ends of each return spring are connected to the middle portions of the two connecting rods respectively, and the two connecting rods have the tendency of being attached to the two sides in the push cylinder under the elastic force action of the return springs respectively.
In the initial state, the push cylinder moves downwards, and the outer ends of the two connecting rods are in an outward expansion shape. After the push cylinder moves upwards, the two connecting rods are pushed by the push cylinder to close the outer ends of the two connecting rods. The outer ends of the two connecting rods are closed to stably clamp the mask belt, and finally the mask belt is tensioned.
However, in the conventional tensioner, the clamping force between the outer ends of the two links to the mask belt is relatively large, which easily causes the mask belt to be damaged or the mask belt to be unable to move smoothly from the tensioner, resulting in poor stability.
Disclosure of Invention
The present invention has been made in view of the above problems occurring in the prior art, and an object of the present invention is to provide a cushion mechanism in a mask belt tensioner, which has high stability and a compact structure.
The purpose of the invention can be realized by the following technical scheme:
a buffering mechanism in a mask belt tensioning device comprises a connecting rod, a guide rod, a return spring and a push cylinder, wherein the inner end of the connecting rod is hinged on the guide rod, the push cylinder is sleeved on the guide rod, the number of the connecting rods is two, two ends of the reset spring are respectively connected with the middle parts of the two connecting rods, the two connecting rods respectively have the tendency of being attached to the two sides in the push cylinder under the action of the elastic force of the return spring, it is characterized in that the buffer mechanism is positioned at the inner side of the push cylinder and comprises a swing rod, a buffer cylinder, a limiting rod and a buffer component, the inner side of the push cylinder is provided with a concave connecting seat, the inner end of the swing rod is hinged in the connecting seat, the outer end of the swing rod extends out of the inner side of the push cylinder, the buffer cylinder is fixedly connected with the middle part of the swing rod, the limiting rod is fixedly connected with the lower part of the connecting seat, the lower side of the buffer cylinder is abutted against the limiting rod, the buffer assembly is connected to the upper portion of the connecting seat and tends to abut against the upper side of the buffer cylinder.
The pushing cylinder moves downwards in the initial state, at the moment, the two connecting rods expand outwards under the elastic force of the return spring, the distance between the outer ends of the two connecting rods is larger, and at the moment, the tensioning device is in a non-operation state.
After the push cylinder moves upwards, the connecting rods are pushed by the push cylinder, the outer ends of the two connecting rods are closed together, and the outer ends of the two connecting rods of the cup are clamped by the mouth shield, so that tensioning is realized.
The buffer mechanism is used for enabling the connecting rod to provide proper tension force, and avoiding the situation that the cup of the mask belt is damaged or the mask belt cannot smoothly move from the tension device.
Particularly, the buffer cylinder has the trend of leaning on the gag lever post under buffer unit's effect, in case the pendulum rod outer end contacts the back with the connecting rod, receives buffer unit realization buffering behind the extrusion, and the pendulum rod is swung up around its articulated department.
The structure provides proper tension for the connecting rods, and effectively prevents the mask belt from being rigidly clamped by the two connecting rods.
In the buffer mechanism in the mask belt tensioning device, the outer end of the connecting rod is movably connected with a roller, and the roller is contacted with the side part of the connecting rod.
The friction resistance with the mask belt can be effectively reduced through the rollers, and stable tensioning force is provided for clamping the mask belt.
In the above cushion mechanism in the mask belt tensioner, the cushion cylinder is made of rubber.
The buffer cylinder is made of flexible materials, and the buffer cylinder can play a role in buffering. The buffer performance of the whole mechanism is effectively improved.
In the above-described cushion mechanism in the mask belt tensioner, the stopper rod has a plate-like contact portion at an upper end thereof, and a lower side of the cushion cylinder is in surface contact with the contact portion.
The contact area between the buffer cylinder and the contact portion is increased, and the stability of the buffer mechanism is appropriately improved.
In the buffer gear among foretell gauze mask area overspeed device tensioner, the buffering subassembly includes end cap, buffer spring and contact arm, and above-mentioned push away a section of thick bamboo tip has the connecting hole that runs through and be linked together with the connecting seat, and above-mentioned end cap is connected in connecting hole tip, and in the embedding connecting hole of above-mentioned contact arm upper end, above-mentioned buffer spring is located between end cap and the contact arm, and the contact arm has the trend that leans on the buffer tube under buffer spring's elastic force.
After the plug is opened, the contact rod and the buffer spring can be conveniently arranged in the connecting hole. Under the action of the elastic force of the buffer spring, the swing rod can properly swing upwards under the action of external force, so that the buffer is stably realized.
In the above cushion mechanism in the mask belt tensioner, the lower end of the contact rod is spherical.
In the above buffer mechanism in the mask belt tensioning device, the plug is connected to the upper port of the connecting hole through a thread.
In the buffer mechanism in the mask belt tensioning device, a concave positioning hole is formed in the lower portion in the connecting seat, and the lower end of the limiting rod is connected to the positioning hole in a tight fit mode.
Such structure can be with the stable connection of gag lever post in the connecting seat.
Compared with the prior art, the buffer mechanism in the mask belt tensioning device can effectively avoid the situation that the mask belt cup is damaged or the mask belt cannot smoothly move at the tensioning device due to the fact that the connecting rod can provide proper tension for clamping the mask belt, and the stability of the buffer mechanism is higher.
Meanwhile, the buffer device is arranged in the connecting seat of the push cylinder, does not occupy space, has a compact structure and has high practical value.
Drawings
Fig. 1 is a schematic view of a cushion mechanism in the present mask belt tensioner.
In the figure, 1, connecting rod; 2. a guide bar; 3. a return spring; 4. a push cylinder; 4a, a connecting seat; 5. a swing rod; 6. a buffer cylinder; 7. a limiting rod; 7a, a contact portion; 8. a roller; 9. a plug; 10. a buffer spring; 11. a contact rod.
Detailed Description
As shown in fig. 1, the mask belt tensioning device comprises a connecting rod 1, a guide rod 2, two return springs 3 and two push cylinders 4, wherein the inner ends of the connecting rod 1 are hinged to the guide rod 2, the push cylinders 4 are sleeved on the guide rod 2, the number of the connecting rods 1 is two, two ends of each return spring 3 are respectively connected to the middle parts of the two connecting rods 1, and the two connecting rods 1 respectively have a tendency of being attached to two sides in the push cylinders 4 under the elastic force action of the return springs 3.
Buffer gear among this gauze mask area overspeed device tensioner is located 4 inboards of push cylinder, including pendulum rod 5, buffer cylinder 6, gag lever post 7 and buffer unit, above-mentioned 4 inboards of push cylinder have recessed connecting seat 4a, above-mentioned 5 inner ends of pendulum rod articulate in connecting seat 4a, 5 outer ends of pendulum rod stretch out push cylinder 4 inboardly, above-mentioned buffer cylinder 6 links firmly at 5 middle parts of pendulum rod, above-mentioned gag lever post 7 links firmly in connecting seat 4a lower part department and 6 downside of buffer cylinder and leans on gag lever post 7, above-mentioned buffer unit connects and leans on the trend of leaning on 6 upside departments at connecting seat 4a upper portion department and buffer unit.
The outer end of the connecting rod 1 is movably connected with a roller 8, and the roller 8 is contacted with the side part of the connecting rod 1.
The buffer cylinder 6 is made of rubber materials.
The stopper rod 7 has a plate-like contact portion 7a at an upper end thereof, and the lower side of the buffer tube 6 is in surface contact with the contact portion 7 a.
The buffer assembly comprises a plug 9, a buffer spring 10 and a contact rod 11, a connecting hole penetrating through and communicated with the connecting seat 4a is formed in the end portion of the push cylinder 4, the plug 9 is connected to the outer end of the connecting hole, the upper end of the contact rod 11 is embedded into the connecting hole, the buffer spring 10 is located between the plug 9 and the contact rod 11, and the contact rod 11 has a tendency of abutting against the buffer cylinder 6 under the elastic action of the buffer spring 10.
The lower end of the contact rod 11 is spherical.
The plug 9 is connected to the upper end of the connecting hole through threads.
The lower part in the connecting seat 4a is provided with a concave positioning hole, and the lower end of the limiting rod 7 is connected with the positioning hole in a tight fit manner.
The pushing cylinder moves downwards in the initial state, at the moment, the two connecting rods expand outwards under the elastic force of the return spring, the distance between the outer ends of the two connecting rods is larger, and at the moment, the tensioning device is in a non-operation state.
After the push cylinder moves upwards, the connecting rods are pushed by the push cylinder, the outer ends of the two connecting rods are closed together, and the outer ends of the two connecting rods of the cup are clamped by the mouth shield, so that tensioning is realized.
The buffer mechanism is used for enabling the connecting rod to provide proper tension force, and avoiding the situation that the cup of the mask belt is damaged or the mask belt cannot smoothly move from the tension device.
Particularly, the buffer cylinder has the trend of leaning on the gag lever post under buffer unit's effect, in case the pendulum rod outer end contacts the back with the connecting rod, receives buffer unit realization buffering behind the extrusion, and the pendulum rod is swung up around its articulated department.
The structure provides proper tension for the connecting rods, and effectively prevents the mask belt from being rigidly clamped by the two connecting rods.
Claims (8)
1. A buffering mechanism in a mask belt tensioning device comprises a connecting rod, a guide rod, a return spring and a push cylinder, wherein the inner end of the connecting rod is hinged on the guide rod, the push cylinder is sleeved on the guide rod, the number of the connecting rods is two, two ends of the reset spring are respectively connected with the middle parts of the two connecting rods, the two connecting rods respectively have the tendency of being attached to the two sides in the push cylinder under the action of the elastic force of the return spring, it is characterized in that the buffer mechanism is positioned at the inner side of the push cylinder and comprises a swing rod, a buffer cylinder, a limiting rod and a buffer component, the inner side of the push cylinder is provided with a concave connecting seat, the inner end of the swing rod is hinged in the connecting seat, the outer end of the swing rod extends out of the inner side of the push cylinder, the buffer cylinder is fixedly connected with the middle part of the swing rod, the limiting rod is fixedly connected with the lower part of the connecting seat, the lower side of the buffer cylinder is abutted against the limiting rod, the buffer assembly is connected to the upper portion of the connecting seat and tends to abut against the upper side of the buffer cylinder.
2. The mask belt tensioner of claim 1, wherein the outer end of the link is movably connected to a roller, the roller contacting the side of the link.
3. The cushion mechanism in a mask belt tensioner of claim 2, wherein the cushion cylinder is a rubber material.
4. The mask belt tensioner according to claim 3, wherein the stopper rod has a plate-like contact portion at an upper end thereof, and a lower side of the cushion cylinder is in surface contact with the contact portion.
5. The mask belt tensioner as claimed in claim 4, wherein the buffer assembly comprises a plug, a buffer spring and a contact rod, the end of the pusher has a connecting hole penetrating through and communicating with the connecting base, the plug is connected to the outer end of the connecting hole, the upper end of the contact rod is inserted into the connecting hole, the buffer spring is located between the plug and the contact rod, and the contact rod has a tendency to abut against the buffer cylinder under the elastic force of the buffer spring.
6. The mask strap tensioning device according to claim 5, wherein the lower end of the contact bar is spherical.
7. The mask strap tensioner of claim 6, wherein the plug is threaded at the upper end of the attachment hole.
8. The mask belt tensioner as claimed in claim 7, wherein the connecting seat has a recessed positioning hole at a lower portion thereof, and the lower end of the stopper rod is connected to the positioning hole in a tight fit manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011238959.0A CN112460199B (en) | 2020-11-09 | 2020-11-09 | Buffer mechanism in mask belt tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011238959.0A CN112460199B (en) | 2020-11-09 | 2020-11-09 | Buffer mechanism in mask belt tensioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112460199A CN112460199A (en) | 2021-03-09 |
| CN112460199B true CN112460199B (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011238959.0A Active CN112460199B (en) | 2020-11-09 | 2020-11-09 | Buffer mechanism in mask belt tensioning device |
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| CN (1) | CN112460199B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112450516B (en) * | 2020-11-09 | 2022-03-15 | 浙江龙潇医疗科技有限公司 | Tension device for mask belt |
| CN113170953B (en) * | 2021-04-01 | 2022-04-26 | 温州职业技术学院 | Vamp cooling and shaping equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5632484B2 (en) * | 1974-12-27 | 1981-07-28 | ||
| CN206590647U (en) * | 2017-03-04 | 2017-10-27 | 江阴市檬佳非织布制品有限公司 | Export tensioning apparatus |
| CN206927328U (en) * | 2017-07-24 | 2018-01-26 | 鹤壁市诺信电子有限公司 | A kind of lithium battery pole piece wrap-up |
| CN208338952U (en) * | 2018-04-28 | 2019-01-08 | 汕头市泰恩康医用器材厂有限公司 | The mask fabric edge banding apparatus of full-automatic mask production line |
| CN208775959U (en) * | 2018-09-10 | 2019-04-23 | 江苏金掌纺织有限公司 | A kind of spinning machine input stabilising arrangement |
| CN210884546U (en) * | 2019-09-17 | 2020-06-30 | 新航涂布科技(苏州)有限公司 | Tension adjusting mechanism |
| CN110608262B (en) * | 2019-10-14 | 2024-03-12 | 无锡能电动力科技有限公司 | Damping base of generator set |
| CN111236112A (en) * | 2020-02-28 | 2020-06-05 | 东南大学 | Elastic buffer device for anti-collision guardrail for bridge and implementation method thereof |
| CN111407032A (en) * | 2020-04-01 | 2020-07-14 | 泉州梵兜服装有限公司 | Gauze mask cloth turn-ups folding device for gauze mask machine |
| CN111759040A (en) * | 2020-05-29 | 2020-10-13 | 重庆智领医创科技成果转化服务有限责任公司 | Gauze mask area is walked line device |
| CN111824828B (en) * | 2020-06-10 | 2021-11-05 | 桐乡市中瑞环保科技有限公司 | Melt-blown fabric conveying and processing device |
| CN111852054B (en) * | 2020-08-06 | 2022-01-11 | 南昌大学 | Masonry wall antidetonation is strengthened device |
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2020
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| CN112460199A (en) | 2021-03-09 |
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