CN111053651A - Three-layer pull rotary stretcher support - Google Patents
Three-layer pull rotary stretcher support Download PDFInfo
- Publication number
- CN111053651A CN111053651A CN201911344239.XA CN201911344239A CN111053651A CN 111053651 A CN111053651 A CN 111053651A CN 201911344239 A CN201911344239 A CN 201911344239A CN 111053651 A CN111053651 A CN 111053651A
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- China
- Prior art keywords
- support
- layer
- middle layer
- guide rail
- upper layer
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G3/00—Ambulance aspects of vehicles; Vehicles with special provisions for transporting patients or disabled persons, or their personal conveyances, e.g. for facilitating access of, or for loading, wheelchairs
- A61G3/08—Accommodating or securing wheelchairs or stretchers
- A61G3/0816—Accommodating or securing stretchers
- A61G3/0825—Accommodating or securing stretchers using support rack, frame
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G3/00—Ambulance aspects of vehicles; Vehicles with special provisions for transporting patients or disabled persons, or their personal conveyances, e.g. for facilitating access of, or for loading, wheelchairs
- A61G3/08—Accommodating or securing wheelchairs or stretchers
- A61G3/0816—Accommodating or securing stretchers
- A61G3/0875—Securing stretchers, e.g. fastening means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
- A61G2203/72—General characteristics of devices with special adaptations, e.g. for safety or comfort for collision prevention
- A61G2203/723—Impact absorbing means, e.g. bumpers or airbags
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention discloses a three-layer drawing rotary stretcher support, wherein a bottom guide rail is fixed in an ambulance cabin, a middle layer support is in drawing type movement on the bottom guide rail, the upper layer side wall of the support is connected with the side wall of the middle layer support through a bearing slide rail, the upper layer of the support is placed on the middle layer support and moves relative to the middle layer support, a rotary limiting mechanism is arranged on the middle layer support, end face locking mechanisms are respectively arranged between the upper layer of the support and the bottom guide rail as well as between the upper layer of the support and the middle layer support, and the middle layer support and the upper layer of the support. The three-layer drawing rotary stretcher support provided by the invention has a large application range, can extend the stretcher support by more than 2 times through two times of drawing of the middle layer support and the upper layer of the support, can also rotate, reduces the ground clearance of a cabin body, is favorable for the quick operation of medical personnel for lifting and transporting wounded, is fixed and unlocked through the end face locking mechanism, and has the advantages of simple structure, high efficiency, convenience, safety, firmness and wide application prospect.
Description
Technical Field
The invention belongs to the technical field of stretchers, and particularly relates to a three-layer drawing rotary stretcher support.
Background
As is known, an ambulance is usually matched with a stretcher and a stretcher support, so that a wounded person can lie conveniently. Most of the existing stretcher supports adopt single-layer or double-layer structures, and the existing ambulance chassis ground clearance in China is very small, so that the stretcher supports basically can meet the human-computer environment requirement of personnel operation without secondary drawing. Along with the demand increase of field exploration, for satisfying cross-country first aid function, chassis girder ground clearance that cross-country used ambulance chassis was used is very big, does not carry out the pull this moment or does not carry out the convenience problem that stretcher support got on the bus, and the man-machine environment is relatively poor. How to arrange a stretcher support on a chassis with a high ground clearance and ensure the operability and convenience of operators becomes a hot topic of attention of people.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a three-layer drawing rotary stretcher support, wherein the three-layer drawing rotary stretcher support is arranged on a chassis with a high ground clearance, so that the operability and convenience of operators are ensured, and the three-layer drawing rotary stretcher support is also suitable for the chassis with a low ground clearance.
In order to achieve the purpose and achieve the technical effect, the invention adopts the technical scheme that:
a three-layer drawing rotary stretcher support is divided into three layers, which comprises a bottom layer guide rail, a middle layer support and a support upper layer which are arranged from bottom to top in sequence, the bottom guide rail is fixed in the ambulance cabin, the middle layer bracket performs drawing type movement on the bottom guide rail, the upper layer side wall of the bracket is connected with the side wall of the middle layer bracket through a bearing slide rail, the upper layer of the bracket is placed on the middle layer bracket and moves relative to the middle layer bracket, a rotation limiting mechanism is arranged between the bottom guide rail and the middle layer bracket, an end face locking mechanism is respectively arranged between the upper layer of the bracket and the bottom guide rail as well as between the middle layer bracket and the middle layer bracket, the middle layer bracket is linked with the upper layer of the bracket, the middle layer bracket and the upper layer of the bracket can be simultaneously drawn out from the bottom layer guide rail, and the upper layer of the bracket performs drawing type movement on the middle layer bracket, the middle layer bracket and the upper layer of the bracket are limited by the rotation limiting mechanism to be integrally rotated by 10-20 degrees after being pulled out in a linkage manner.
Furthermore, the bottom layer guide rail is fixed in the ambulance cabin through an air spring shock absorber, and a sleeve is installed on the air spring shock absorber.
Furthermore, the bottom guide rail comprises two guide rails arranged in parallel, a plurality of idler wheels are arranged on the left side and the right side of the middle layer support, the idler wheels roll in the guide rails of the bottom guide rail, and the idler wheels are in surface contact with the bottom guide rail in a free state.
Furthermore, six groups of rollers are symmetrically arranged on the left side and the right side of the bottom of the middle layer support, and the middle layer support and the rollers are fixedly arranged through eccentric shafts.
Further, an operation end face panel is arranged on the upper layer of the support, an operation handle is arranged on the operation end face panel, a first end face locking mechanism is arranged between the upper layer of the support and the bottom guide rail, a second end face locking mechanism is arranged between the upper layer of the support and the middle layer support, after the first end face locking mechanism is unlocked, the middle layer support and the upper layer of the support are simultaneously pulled out from the bottom guide rail, and after the second end face locking mechanism is unlocked, the upper layer of the support can be pulled out from the middle layer support.
Further, one end face locking mechanism includes handle lock, connecting rod and first lock axle, handle lock, connecting rod and first lock axle are equipped with two respectively, and the symmetry sets up respectively on the operation terminal surface panel, and the handle lock both sides are connected the first lock axle of reconnection with the connecting rod respectively, set up the lockhole on the bottom guide rail, first lock axle passes the lockhole and fixes, makes bottom guide rail, intermediate level support and support upper strata locking, through the motion of pulling handle lock drive connecting rod, drives first lock axle and contracts inwards, and first lock axle is taken out from the lockhole, makes the unblock between bottom guide rail, intermediate level support and the support upper strata.
Further, terminal surface locking mechanism two includes lock axle and spring bolt, and the spring bolt is connected into a whole with the operating handle who stretches out on the operating face panel, and the axostylus axostyle of lock axle stretches into the hole on the spring bolt and carries out the locking, connects or separates lock axle and spring bolt through stirring operating handle, realizes the locking or the unblock separation on intermediate level support and the support upper strata.
Further, rotatory stop gear is equipped with two, and the symmetry sets up between bottom guide rail and intermediate level support, and every rotatory stop gear includes single arm-drag, air spring, slide rail, slider and stopper, and single arm-drag and air spring one end are connected with intermediate level support side respectively, and single arm-drag and air spring other end are connected with the slider respectively, and the slide rail transversely sets up on the bottom guide rail, and the terminal inside stopper that sets up of slide rail, slider slide in the slide rail and carry on spacingly through the stopper, prescribes a limit to the rotation angle on intermediate level support and the support upper strata.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a three-layer drawing rotary stretcher support, which is used for placing a stretcher, is divided into three layers, and comprises a bottom layer guide rail, a middle layer support and a support upper layer which are sequentially arranged from bottom to top, wherein the bottom layer guide rail is fixed in an ambulance cabin through an air spring damper, the left side and the right side of the bottom of the middle layer support are respectively provided with a plurality of groups of rollers so as to realize the movement of the middle layer support in the guide rail of the bottom layer guide rail, the rollers and the middle layer support are fixedly arranged by adopting an eccentric shaft, the rollers on the left side and the right side can be contacted with the bottom layer guide rail surface in a free state during installation, the middle layer support performs drawing movement on the bottom layer guide rail, the upper layer side wall of the support is connected with the side wall of the middle layer support through a bearing slide rail, the support upper layer is arranged on the, end face locking mechanisms are respectively arranged between the upper layer of the support and the bottom guide rail as well as between the upper layer of the support and the middle layer support, after the end face locking mechanisms are unlocked, the middle layer support and the upper layer of the support can be linked and simultaneously pulled out from the bottom guide rail, the upper layer of the support is in pull-out type activity on the middle layer support, and the middle layer support and the upper layer of the support are limited by a rotary limiting mechanism to be integrally rotated by 10-20 degrees after being linked and pulled out. The three-layer drawing rotary stretcher support provided by the invention is suitable for a chassis with a higher cabin body ground clearance and a chassis with a low ground clearance, has a wide application range, selects a long slide rail, can expand the stretcher support from original length 1779mm to 4080mm by drawing the middle layer support and the upper layer of the support twice, can extend the stretcher support by more than 2 times, can also realize rotation to reduce the cabin body ground clearance to only 920mm, is favorable for the quick operation of medical personnel carrying wounded, can fix and unlock the position by an end face locking mechanism, locks the whole stretcher support by the end face locking mechanism between the upper layer of the support and a bottom layer guide rail, ensures that the middle layer support and the upper layer of the support can be linked by the end face locking mechanism between the middle layer support and the upper layer of the support, and has the advantages of simple structure, high efficiency, convenience, safety, firmness and wide application prospect.
Drawings
FIG. 1 is an overall profile elevation of the present invention in its original state;
FIG. 2 is a top view of the overall profile of the present invention in its original state;
FIG. 3 is a top view of the present invention in a drawn condition;
FIG. 4 is a front view of the present invention in a drawn condition;
FIG. 5 is an installed expanded view of the present invention;
6-7 are schematic structural views of a first end locking mechanism of the invention;
FIG. 8 is a schematic structural view of a second end locking mechanism of the present invention;
the device comprises a base layer guide rail 1, a middle layer support 2, a support upper layer 3, a rotary limiting mechanism 4, a bearing slide rail 5, a first operating handle 6, a locking shaft 7, a locking tongue 8, an operating handle 9, an operating end face panel 10, a handle lock 11, a connecting rod 12, a first locking shaft 13, a locking hole 14, a pull arm 15, a gas spring 16, a slide rail 17, a slide block 18 and a limiting block 19.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings so that the advantages and features of the invention can be more easily understood by those skilled in the art, and the scope of the invention will be clearly and clearly defined.
As shown in figures 1-8, a three-layer drawing rotary stretcher support is used for placing a stretcher, is divided into three layers and comprises a bottom layer guide rail 1, a middle layer support 2 and a support upper layer 3 which are sequentially arranged from bottom to top, the bottom layer guide rail 1 is fixed in an ambulance cabin through an air spring damper, the selected air spring damper is provided with a sleeve to prevent deflection in the driving and moving process, the stability of the device is improved, the bottom layer guide rail 1 is a first layer from bottom to top and comprises two parallel guide rails, the two guide rails are connected through a connecting piece, the middle layer support 2 is a second layer, a plurality of rollers are symmetrically arranged at the bottom part and the left side and the right side of the middle layer support 2 and roll in the guide rails of the bottom layer guide rail 1 to realize the drawing type movement of the middle layer support 2 on the bottom layer guide rail 1, and the rollers and the, when the stretcher is installed, all rollers on the left side and the right side can be ensured to be in surface contact with the bottom guide rail 1 in a free state, the bearing capacity is ensured, the upper layer 3 of the bracket is a base body for placing the stretcher and is a third layer, the upper layer 3 of the bracket is placed on the middle layer bracket 2, the side wall of the middle layer bracket 2 is in sliding connection with the side wall of the upper layer 3 of the bracket through two pairs of matched bearing slide rails 5, the middle layer bracket 2 and the upper layer 3 of the bracket realize relative motion through the bearing slide rails 5, the pull-out type movement of the upper layer 3 of the bracket is carried out on the middle layer bracket 2, the bearing slide rails 5 are slide rails with high bearing capacity and long stroke, the distance of the upper layer 3 of the bracket pulled out from the middle layer bracket 2 can be ensured, the stretcher bracket can be unfolded from original length 1779mm to 4080mm through the primary pull-out, at least 2 times of extension, install rotatory stop gear 4 between bottom guide rail 1 and the intermediate level support 2, realize upset and spacing of intermediate level support 2 through rotatory stop gear 4, set up terminal surface locking mechanism between support upper strata 3 and bottom guide rail 1 and the intermediate level support 2 respectively, after the unblock of terminal surface locking mechanism, support upper strata 3 can link when taking out intermediate level support 2, make intermediate level support 2 and support upper strata 3 can take out from bottom guide rail 1 simultaneously, support upper strata 3 carries out pull formula activity on intermediate level support 2, it takes out back bulk rotation 10-20 to inject intermediate level support 2 and support upper strata 3 linkage through rotatory stop gear 4, preferred 15, in order to reduce the terminal liftoff clearance of third layer, make things convenient for personnel to operate, after the rotation reduces, this liftoff clearance of locating is only 920 mm.
The two rotary limiting mechanisms 4 are symmetrically arranged between the bottom layer guide rail 1 and the middle layer support 2, each rotary limiting mechanism 4 comprises a pull arm 15, an air spring 16, a slide rail 17, a slide block 18 and a limiting block 19, one end of each of the pull arm 15 and the air spring 16 is respectively connected with the middle layer support 2, the other end of each of the pull arm 15 and the air spring 16 is respectively connected with the slide block 18, the slide rail 17 is arranged on the bottom layer guide rail 1 along the guide rail direction, the limiting block 19 is arranged inside the tail end of the slide rail 17, the slide block 18 slides in the slide rail 17 and is limited by the limiting block 19 to limit the rotating angles of the middle layer support 2 and the support upper layer 3, the slide block 18 drives the pull arm 15 and the air spring 16 connected with the slide block to move along with the slide rail 17 to control the overturning angle of the middle layer support 2, and the triangular theorem is, in the lifting and rotating process of the middle layer support 2, the force of personnel can be reduced, the turning angle of the middle layer support 2 can be adjusted by adjusting the length of the air spring 16, and the stroke of the air spring 16 can be changed from 70mm to 90mm so as to meet the requirements of different turning angles of the middle layer support 2 of the stretcher support.
Operation terminal surface panel 10 is installed on support upper strata 3, set up operating handle 9 on the operation terminal surface panel 10, terminal surface locking mechanism includes terminal surface locking mechanism one that sets up between support upper strata 3 and the bottom guide rail 1 and the terminal surface locking mechanism two that sets up between support upper strata 3 and the intermediate level support 2, after terminal surface locking mechanism unblock, intermediate level support 2 and the linkage of support upper strata 3, support upper strata 3 can link when guaranteeing to take intermediate level support 2 out, whole stretcher support can pin firmly, the structure is more reliable, safety, intermediate level support 2 and support upper strata 3 can take out from bottom guide rail 1 simultaneously, or intermediate level support 2 and support upper strata 3 can carry out the pull activity on bottom guide rail 1 simultaneously, after terminal surface locking mechanism two unblocks, support upper strata 3 can carry out the pull activity on intermediate level support 2.
The symmetry sets up two pairs of lockholes 14 on the bottom guide rail 1, terminal surface locking mechanism one includes handle lock 11, connecting rod 12 and first lock axle 13, handle lock 11, connecting rod 12 and first lock axle 13 symmetry respectively set up on operation terminal surface panel 10, handle lock 11 both sides are connected reconnection first lock axle 13 with connecting rod 12 respectively, the first lock axle 13 of every side passes a pair of lockhole 14 of homonymy and fixes, make bottom guide rail 1, intermediate level support 2 and support upper strata 3 locking, can't realize the pull activity, through the motion of pulling handle lock 11 drive connecting rod 13, drive first lock axle 12 and inwards contract, first lock axle 13 is taken out from lockhole 14, make unblock between bottom guide rail 1, intermediate level support 2 and the support upper strata 3, be convenient for follow-up pull.
Terminal surface locking mechanism two includes lock axle 7 and spring bolt 8, 7 welding of lock axle is on intermediate level support 2, 8 welding of spring bolt are on support upper layer 3, 8 phase-matchs of spring bolt and lock axle 7, spring bolt 8 is connected into a whole with the operation handle 9 that stretches out on the operation terminal surface panel 10, the axostylus axostyle of lock axle 7 stretches into the hole on the spring bolt 8 and carries out the locking, adopt prior art can, through stirring operation handle 9 downwards or upwards with lock axle 7 and spring bolt 8 connection or separation, realize intermediate level support 2 and support upper layer 3's locking or unblock separation.
Preferably, six groups of rollers are symmetrically arranged on the left side and the right side of the middle layer support 2 respectively, the rollers are fixedly arranged on the middle layer support 2 through eccentric shafts, and the rollers are ensured to be in surface contact with the bottom layer guide rail 1 in a free state during installation, so that the bearing capacity is ensured.
The working principle of the invention is as follows:
the three-layer drawing rotary stretcher support is installed, at the moment, two sides of a handle lock 11 are respectively connected with a connecting rod 12 and then connected with a first lock shaft 13, the first lock shaft 13 on each side penetrates through a pair of lock holes 14 on the same side to be fixed, a bottom layer guide rail 1, a middle layer support 2 and a support upper layer 3 are locked, a lock tongue 8 and an operation handle 9 extending out of an operation end face panel 10 are connected into a whole, a shaft rod of a lock shaft 7 extends into a hole in the lock tongue 8 to be locked, the bottom layer guide rail 1, the middle layer support 2 and the support upper layer 3 are in a locking state and cannot be drawn conveniently, at the moment, the middle layer support 2 and the support upper layer 3 can be drawn to rotate, the middle layer support 2 is drawn outwards, the middle layer support 2 slides in a slide rail 17 through a rotation limiting mechanism 4 until being drawn in place, a limiting block 19 is limited at the tail end, in the process, the sliding block 18 slides in the sliding rail 17 and simultaneously extrudes the air spring 16, so that the stretcher has a buffering effect during overturning; if do not need the upset, need the unblock pulling, then at first unblock bottom guide rail 1 and support upper 3, through 11 drive connecting rod 13 movements of pulling handle lock, drive first lock shaft 12 and draw inwards, first lock shaft 13 is taken out from lockhole 14, make bottom guide rail 1, unblock between intermediate level support 2 and the support upper 3, intermediate level support 2 and support upper 3 can be taken out from bottom guide rail 1 simultaneously, stir operation handle 9 and separate lock shaft 7 and spring bolt 8, realize the unblock separation of intermediate level support 2 and support upper 3, can further take out support upper 3 from intermediate level support 2.
The parts of the invention not described in detail are common general knowledge of those skilled in the art and are not described in detail herein.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A three-layer drawing rotary stretcher support is characterized by being divided into three layers and comprising a bottom guide rail (1), a middle layer support (2) and a support upper layer (3) which are sequentially arranged from bottom to top, wherein the bottom guide rail (1) is fixed in an ambulance cabin, the middle layer support (2) performs drawing type movement on the bottom guide rail (1), the side wall of the support upper layer (3) is connected with the side wall of the middle layer support (2) through a bearing slide rail (5), the support upper layer (3) is placed on the middle layer support (2) and moves relative to the middle layer support, a rotary limiting mechanism (4) is arranged between the bottom guide rail (1) and the middle layer support (2), end face locking mechanisms are respectively arranged between the support upper layer (3) and the bottom guide rail (1) and the middle layer support (2), the middle layer support (2) is linked with the support upper layer (3), and the end face locking mechanisms are unlocked, the middle layer support (2) and the support upper layer (3) can be simultaneously drawn out from the bottom layer guide rail (1), the support upper layer (3) performs drawing type movement on the middle layer support (2), and the rotation limiting mechanism (4) limits the middle layer support (2) and the support upper layer (3) to be integrally rotated by 10-20 degrees after linkage drawing out.
2. The three-tier pull rotary stretcher support according to claim 1, characterized in that the bottom track (1) is fixed in the ambulance compartment by means of an air spring damper, on which a sleeve is mounted.
3. The three-layer drawing and rotating stretcher support according to claim 1, characterized in that the bottom layer guide rail (1) comprises two parallel guide rails, the left and right sides of the middle layer support (2) are respectively provided with a plurality of rollers, the rollers roll in the guide rails of the bottom layer guide rail (1), and the rollers are in surface contact with the bottom layer guide rail (1) in a free state.
4. The three-layer drawing and rotating stretcher support according to claim 3, characterized in that six sets of rollers are symmetrically arranged at the left and right sides of the bottom of the middle layer support (2), and the middle layer support (2) and the rollers are fixedly arranged through an eccentric shaft.
5. A three-layer drawing and rotating stretcher support according to claim 1, characterized in that an operation end panel (10) is arranged on the support upper layer (3), an operation handle (9) is arranged on the operation end panel (10), a first end locking mechanism is arranged between the support upper layer (3) and the bottom layer guide rail (1), a second end locking mechanism is arranged between the support upper layer (3) and the middle layer support (2), after the first end locking mechanism is unlocked, the middle layer support (2) and the support upper layer (3) are simultaneously drawn out from the bottom layer guide rail (1), and after the second end locking mechanism is unlocked, the support upper layer (3) can be drawn out from the middle layer support (2).
6. The three-tier pull rotary stretcher support according to claim 5, the end face locking mechanism comprises a handle lock (11), a connecting rod (12) and a first lock shaft (13), the handle lock (11), the connecting rod (12) and the first lock shaft (13) are respectively and symmetrically arranged on the operation end face panel (10), two sides of the handle lock (11) are respectively connected with the connecting rod (12) and then connected with the first lock shaft (13), a lock hole (14) is arranged on the bottom layer guide rail (1), a first lock shaft (13) penetrates through the lock hole (14) and is fixed, so that the bottom layer guide rail (1), the middle layer bracket (2) and the bracket upper layer (3) are locked, the handle lock (11) is pulled to drive the connecting rod (13) to move, the first lock shaft (12) is driven to retract inwards, the first lock shaft (13) is pulled out from the lock hole (14), and the bottom guide rail (1), the middle layer support (2) and the support upper layer (3) are unlocked.
7. The three-layer drawing and rotating stretcher support according to claim 5, wherein the end locking mechanism II comprises a lock shaft (7) and a lock tongue (8), the lock tongue (8) is connected with an operating handle (9) extending out of an operating end panel (10) into a whole, a shaft lever of the lock shaft (7) extends into a hole in the lock tongue (8) to be locked, and the lock shaft (7) and the lock tongue (8) are connected or separated by poking the operating handle (9), so that the locking or unlocking separation of the middle layer support (2) and the upper layer support (3) is realized.
8. The three-layer drawing and rotating stretcher support according to claim 1, wherein the rotation limiting mechanism (4) comprises a drawing arm (15), an air spring (16), a sliding rail (17), a sliding block (18) and a limiting block (19), one end of the drawing arm (15) and one end of the air spring (16) are respectively connected with the middle layer support (2), the other end of the drawing arm (15) and the other end of the air spring (16) are respectively connected with the sliding block (18), the sliding rail (17) is transversely arranged on the bottom layer guide rail (1), the limiting block (19) is arranged inside the tail end of the sliding rail (17), and the sliding block (18) slides in the sliding rail (17) and is limited by the limiting block (19) to limit the rotation angle of the middle layer support (2) and the support upper layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344239.XA CN111053651A (en) | 2019-12-24 | 2019-12-24 | Three-layer pull rotary stretcher support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344239.XA CN111053651A (en) | 2019-12-24 | 2019-12-24 | Three-layer pull rotary stretcher support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111053651A true CN111053651A (en) | 2020-04-24 |
Family
ID=70302728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911344239.XA Withdrawn CN111053651A (en) | 2019-12-24 | 2019-12-24 | Three-layer pull rotary stretcher support |
Country Status (1)
| Country | Link |
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| CN (1) | CN111053651A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114668592A (en) * | 2022-03-31 | 2022-06-28 | 苏州江南航天机电工业有限公司 | Rotary three-layer drawable stereoscopic stretcher |
-
2019
- 2019-12-24 CN CN201911344239.XA patent/CN111053651A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114668592A (en) * | 2022-03-31 | 2022-06-28 | 苏州江南航天机电工业有限公司 | Rotary three-layer drawable stereoscopic stretcher |
| CN114668592B (en) * | 2022-03-31 | 2024-02-09 | 苏州江南航天机电工业有限公司 | Three-layer rotary drawable three-dimensional stretcher |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200424 |
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| WW01 | Invention patent application withdrawn after publication |