CN210872538U - Self-locking pulley assembly and seat station conversion shifter - Google Patents
Self-locking pulley assembly and seat station conversion shifter Download PDFInfo
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- CN210872538U CN210872538U CN201921266380.8U CN201921266380U CN210872538U CN 210872538 U CN210872538 U CN 210872538U CN 201921266380 U CN201921266380 U CN 201921266380U CN 210872538 U CN210872538 U CN 210872538U
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Abstract
A self-locking pulley assembly relates to the technical field of pulley equipment and comprises a fixed support and a pulley, wherein the pulley is rotatably installed on the fixed support, a vertical guide groove is formed in the fixed support, an adjusting plate body is slidably clamped in the guide groove through a limiting structure, a brake block is fixed on the adjusting plate body, a fixed plate is fixedly arranged on the fixed support, a connecting plate is fixedly arranged on the adjusting plate body, and a resetting pressure spring is fixedly installed between the connecting plate and the fixed plate for self-locking; the self-locking pulley component can realize automatic locking of the pulley by utilizing the reset pressure spring, and has simple and reliable structure and convenient use. The utility model also discloses a sit-stand conversion shifter, which comprises a stand platform, a hand frame and 2 self-locking pulley assemblies, wherein the upper part of the hand frame is provided with a push rod unlocking mechanism matched with the self-locking pulley assemblies; the seat station conversion shifter adopts the self-locking pulley assembly to prevent sliding, and the use safety is improved.
Description
Technical Field
The utility model relates to a pulley equipment technical field, especially a from locking-type loose pulley assembly. The utility model also discloses a sit station conversion shifter.
Background
Medical staff needs to take great care when moving patients with hemiplegia, paraplegia and after surgery due to their inconvenient movements. Because the physical conditions of patients are different, medical staff is required to have professional nursing means and high responsibility in the moving process. The traditional method for moving the patient through manpower is not only low in efficiency, but also easily causes secondary damage to the patient due to the fact that a nursing means is not located in the moving process. Chinese patent publication No. CN208593413U discloses a standing shifter, which can replace manual patient movement, but has a major drawback that although the shifter employs a movable pulley with a braking function, the braking function can only prevent the shifter from sliding when the shifter stops. When the medical staff forgets to turn on the brake when the shifter stops, or accidentally loosens the shifter due to improper operation of the medical staff during transportation, or meets a slope, the shifter may be out of control due to sliding, and further serious potential safety hazards are brought to patients conveyed on the shifter.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art not enough, provide a from locking-type loose pulley assembly, its simple structure is reliable, convenient to use, can automatic locking pulley prevent to slide in order to increase safety in utilization.
The utility model aims to solve another technical problem that a seat that adopts aforementioned from locking-type loose pulley assembly changes averager.
The technical problem to be solved by the utility model is realized through the following technical scheme. The utility model relates to a from locking-type loose pulley assembly, its characteristics are: the adjustable brake block comprises a fixed support and pulleys, wherein the pulleys are rotatably arranged on the fixed support through a rotating shaft, a vertical guide groove is formed in the fixed support above the rotating shaft, an adjusting plate is arranged between the guide groove and the pulleys and comprises an adjusting plate body, the adjusting plate body is slidably clamped in the guide groove through a limiting structure, and a brake block matched with the pulleys for use is fixedly connected to the adjusting plate body;
the fixed bolster directly over the guide way is fixed and is equipped with the fixed plate, and the fixed plate sets up at the guide way opposite side for the brake block, and the fixed connecting plate that is equipped with on the regulating plate body, the connecting plate pass the guide way and set up with the fixed plate relatively, and fixed mounting has the pressure spring that resets between connecting plate and fixed plate to be used for promoting the brake block and realize the auto-lock.
Above the utility model relates to a from locking-type loose pulley assembly, its further preferred technical scheme or technical characterstic are: the limiting structure comprises a guide shaft, the guide shaft is transversely arranged in the guide groove, one end of the guide shaft is fixedly connected with the adjusting plate body, the other end of the guide shaft is fixedly connected with a limiting block, and the limiting block and the adjusting plate body are respectively positioned on two sides of the guide groove.
Above the utility model relates to a from locking-type loose pulley assembly, its further preferred technical scheme or technical characterstic are: the fixed support comprises a mounting plate and fixed support legs fixedly connected to two sides of the mounting plate, a shouldered bearing is fixedly mounted on the mounting plate on the opposite side of the pulley, and the rotating shaft penetrates through the mounting plate and is rotatably mounted in the shouldered bearing; the guide groove is arranged on the mounting plate above the rotating shaft, and the fixing plate is fixedly connected to the mounting plate right above the guide groove.
Above the utility model relates to a from locking-type loose pulley assembly, its further preferred technical scheme or technical characterstic are: the end part of the connecting plate far away from the adjusting plate extends upwards to form an unlocking lifting part.
Above the utility model relates to a from locking-type loose pulley assembly, its further preferred technical scheme or technical characterstic are: the brake block is arranged right above the pulley.
The utility model also discloses an adopt aforementioned seat of self-locking loose pulley assembly to stand and change averager, its characteristics are: the self-locking type trolley comprises a standing platform, a hand-held frame and 2 self-locking type pulley assemblies, wherein the hand-held frame is fixedly arranged on the standing platform, the 2 self-locking type pulley assemblies are symmetrically arranged on two side edges of the standing platform through a fixed support, and a plurality of supporting wheels matched with the self-locking type pulley assemblies for use are fixedly arranged at the bottom of the standing platform;
the lower part of the hand-held frame is fixedly provided with a knee support, the upper part of the hand-held frame is provided with a push rod unlocking mechanism matched with the self-locking pulley component, the push rod unlocking mechanism comprises a transverse holding rod, two ends of the transverse holding rod are respectively and fixedly connected with a connecting rod, 2 connecting rods are all rotatably connected on the hand-held frame to form a lever lifting structure, and the other ends of the 2 connecting rods are all connected with a connecting plate of the self-locking pulley component through a tensioning part.
Above the utility model relates to a sit station conversion shifter, its further preferred technical scheme or technical characterstic are: the side edges of the hand frame above the knee support are respectively fixedly connected with a handrail, and a limit space for placing a human body is arranged between the handrails.
Above the utility model relates to a sit station conversion shifter, its further preferred technical scheme or technical characterstic are: the hand rack comprises 2 symmetrically arranged support rods, and a plurality of connecting cross rods are fixedly connected between the 2 support rods to form a main body part of the hand rack.
Above the utility model relates to a sit station conversion shifter, its further preferred technical scheme or technical characterstic are: the tensioning component is a pull rod or a pull cable.
Above the utility model relates to a sit station conversion shifter, its further preferred technical scheme or technical characterstic are: and a body fat scale or a non-slip mat is fixedly arranged on the standing platform.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the self-locking pulley component of the utility model utilizes the reset pressure spring on the fixed plate to transmit downward pressure to the connecting plate in the guide groove, and further drives the brake block on the adjusting plate to be pressed on the pulley downwards, thereby realizing the automatic locking of the pulley; when the locking needs to be released, the connecting plate is lifted upwards to drive the adjusting plate to move upwards, and then the brake block is separated from the pulley to release the locking; to sum up, the utility model discloses can the automatic locking pulley in order to prevent that it from sliding, the auto-lock process does not need manual operation, and then has eliminated the potential safety hazard that medical personnel caused because of the negligence, has improved the security of using greatly, its simple structure is reliable, convenient to use.
(2) The utility model discloses a sit station conversion shifter adopts aforementioned self-locking loose pulley assembly, and should sit station conversion shifter installs supporting push rod release mechanism, when needs transport the disease then pushes down horizontal holding rod, makes tensioning member overcome the pressure of the pressure spring that resets and upwards stimulates the regulating plate, drives the brake block through the regulating plate and removes from the pulley in order to relieve the locking, can conveniently transport the disease after the unblock; when the transverse holding rod is not pressed down, the self-locking type pulley component is automatically locked, so that the switching shifter at the sitting station cannot move, the potential safety hazard to patients caused by the sliding of the shifter is avoided, and the use safety is greatly improved; a body fat scale can be additionally arranged on the standing platform to know some physiological data of the patient in time.
Drawings
Fig. 1 is a schematic structural view of a self-locking pulley assembly of the present invention;
FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;
fig. 3 is a schematic structural view of a seat-to-stand conversion shifter of the present invention;
FIG. 4 is a schematic diagram of the exploded structure of FIG. 3;
FIG. 5 is a schematic view of a support wheel mounting arrangement;
in the figure, 00 is a self-locking pulley assembly, 1 is a fixed support, 101 is a mounting plate, 102 is a fixed support leg, 2 is a pulley, 3 is a rotating shaft, 4 is a guide groove, 5 is an adjusting plate, 6 is a brake block, 7 is a fixed plate, 8 is a connecting plate, 801 is an unlocking lifting part, 9 is a reset pressure spring, 901 is a spring fixing column, 10 is a guide shaft, 11 is a limiting block, 12 is a shoulder bearing, 13 is a standing platform, 14 is a handrail, 141 is a supporting rod, 142 is a connecting cross rod, 15 is a supporting wheel, 16 is a knee rest, 17 is a transverse holding rod, 18 is a connecting rod, 19 is a pull rod, 20 is a handrail, and 21 is a body fat scale.
Detailed Description
The following further describes embodiments of the present invention in order to facilitate further understanding of the present invention by those skilled in the art, and does not constitute a limitation to the right thereof.
Embodiment 1, a self-locking pulley assembly 00, refer to fig. 1 and 2, and include a fixed bracket 1 and a pulley 2, the pulley 2 is rotatably mounted on the fixed bracket 1 through a rotating shaft 3, the pulley 2 is fixedly connected to the rotating shaft 3, a vertical guide groove 4 is provided on the fixed bracket 1 above the rotating shaft 3, an adjusting plate 5 is provided between the guide groove 4 and the pulley 2, a gap for the adjusting plate 5 to move up and down is provided between the pulley 2 and the guide groove 4, the adjusting plate 5 includes an adjusting plate body, the adjusting plate body is slidably clamped in the guide groove 4 through a limiting structure, and a brake block 6 used in cooperation with the pulley 2 is fixedly connected to the adjusting plate body;
The limiting structure comprises a guide shaft 10, the guide shaft 10 is transversely arranged in the guide groove 4, one end of the guide shaft 10 is fixedly connected with the adjusting plate body, the other end of the guide shaft 10 is fixedly connected with a limiting block 11, and the limiting block 11 and the adjusting plate body are respectively positioned on two sides of the guide groove 4. The number of the guide shafts 10 can be 2, and two guide shafts 10 are vertically arranged.
The fixed support 1 comprises a mounting plate 101 and fixed support legs 102 fixedly connected to two sides of the mounting plate 101, a shoulder bearing 12 is fixedly mounted on the mounting plate 101 on the opposite side of the pulley 2, and the rotating shaft 3 penetrates through the mounting plate 101 to be rotatably mounted in the shoulder bearing 12; the guide groove 4 is arranged on the mounting plate 101 above the rotating shaft 3, and the fixing plate 7 is fixedly connected on the mounting plate 101 right above the guide groove 4.
The end part of the connecting plate 8 far away from the adjusting plate 5 extends upwards to form an unlocking pulling part 801.
The brake block 6 is arranged right above the pulley 2.
the lower part of the hand frame 14 is fixedly provided with a knee support 16, the upper part of the hand frame 14 is provided with a push rod unlocking mechanism matched with the self-locking pulley component 00, the push rod unlocking mechanism comprises a transverse holding rod 17, two ends of the transverse holding rod 17 are respectively and fixedly connected with connecting rods 18, 2 connecting rods 18 are respectively and rotatably connected on the hand frame 14 to form a lever lifting structure, and the other ends of the 2 connecting rods 18 are respectively and fixedly connected with an unlocking lifting part 801 on a self-locking pulley component connecting plate 8 through tensioning parts. The adjusting plate 5, the connecting plate 8 and the unlocking pulling part 801 can be processed by a plate to form an integrated structure.
The side edges of the handrail 14 above the knee support 16 are fixedly connected with handrails 20 respectively, and a limit space for placing a human body is arranged between the handrails 20.
The hand rack 14 comprises 2 symmetrically arranged support rods 141, 3 connecting cross rods 142 are fixedly connected between the 2 support rods 141 to form a main body part of the hand rack, and two ends of the knee support 16 are respectively and fixedly connected to the support rods 141 at two sides. 3 connecting cross bars 142 are arranged on the upper parts of 2 support bars 141, and the connecting cross bars 142 are arranged at equal intervals.
The tensioning component is a pull rod 19, one end of the pull rod 19 is rotatably connected with the connecting rod 18, and the other end of the pull rod 19 is fixedly connected with an unlocking pulling part 801 on the connecting plate 8.
A body fat scale 21 is fixedly arranged on the standing platform 13.
When the utility model is used, a patient stands on the standing platform 13, the knees of the patient are placed in the knee supports 16, the body part of the patient is placed in the spacing space between the handrails 20 at the two sides, and the patient holds the handrails 20 at the two sides to increase the stability; then, the medical staff holds the transverse holding rod 17 and presses down, the transverse holding rod 17 pulls up the pull rod 19 through a lever structure of the connecting rod 18, the pull rod 19 drives the connecting plate 8 to move upwards along the guide groove 4, the brake block 6 on the adjusting plate 5 further moves upwards to be separated from the pulley 2, and after unlocking, the medical staff pushes the patient to a designated position to finish transportation; when the medical staff loosens the transverse holding rod 17, the connecting plate 8 moves downwards along the guide groove 4 under the pushing of the reset pressure spring 9, and then the adjusting plate 5 is driven to move downwards, so that the brake block 6 locks the pulley 2 again to complete self-locking. In the transportation process, medical personnel loosen the transverse holding rod 17 due to an unexpected condition, and the self-locking pulley assembly 00 can quickly lock the pulley 2 so as to prevent potential safety hazards caused by sliding of the seat-station conversion shifter.
Claims (10)
1. A self-locking pulley assembly is characterized in that: the adjustable brake block comprises a fixed support and pulleys, wherein the pulleys are rotatably arranged on the fixed support through a rotating shaft, a vertical guide groove is formed in the fixed support above the rotating shaft, an adjusting plate is arranged between the guide groove and the pulleys and comprises an adjusting plate body, the adjusting plate body is slidably clamped in the guide groove through a limiting structure, and a brake block matched with the pulleys for use is fixedly connected to the adjusting plate body;
the fixed bolster directly over the guide way is fixed and is equipped with the fixed plate, and the fixed plate sets up at the guide way opposite side for the brake block, and the fixed connecting plate that is equipped with on the regulating plate body, the connecting plate pass the guide way and set up with the fixed plate relatively, and fixed mounting has the pressure spring that resets between connecting plate and fixed plate to be used for promoting the brake block and realize the auto-lock.
2. The self-locking sheave assembly of claim 1, wherein: the limiting structure comprises a guide shaft, the guide shaft is transversely arranged in the guide groove, one end of the guide shaft is fixedly connected with the adjusting plate body, the other end of the guide shaft is fixedly connected with a limiting block, and the limiting block and the adjusting plate body are respectively positioned on two sides of the guide groove.
3. The self-locking sheave assembly of claim 1, wherein: the fixed support comprises a mounting plate and fixed support legs fixedly connected to two sides of the mounting plate, a shouldered bearing is fixedly mounted on the mounting plate on the opposite side of the pulley, and the rotating shaft penetrates through the mounting plate and is rotatably mounted in the shouldered bearing; the guide groove is arranged on the mounting plate above the rotating shaft, and the fixing plate is fixedly connected to the mounting plate right above the guide groove.
4. The self-locking sheave assembly of claim 1, wherein: the end part of the connecting plate far away from the adjusting plate extends upwards to form an unlocking lifting part.
5. A self-locking sheave assembly as defined in claim 1, wherein: the brake block is arranged right above the pulley.
6. A kind of seat changes the shifter, characterized by that: the self-locking type pulley assembly comprises a standing platform, a hand rest and 2 self-locking type pulley assemblies according to any one of claims 1 to 5, wherein the hand rest is fixedly arranged on the standing platform, the 2 self-locking type pulley assemblies are symmetrically arranged on two side edges of the standing platform through fixing supports, and a plurality of supporting wheels matched with the self-locking type pulley assemblies for use are fixedly arranged at the bottom of the standing platform;
the lower part of the hand-held frame is fixedly provided with a knee support, the upper part of the hand-held frame is provided with a push rod unlocking mechanism matched with the self-locking pulley component, the push rod unlocking mechanism comprises a transverse holding rod, two ends of the transverse holding rod are respectively and fixedly connected with a connecting rod, 2 connecting rods are all rotatably connected on the hand-held frame to form a lever lifting structure, and the other ends of the 2 connecting rods are all connected with a connecting plate of the self-locking pulley component through a tensioning part.
7. A sit-stand conversion shifter as claimed in claim 6, wherein: the side edges of the hand frame above the knee support are respectively fixedly connected with a handrail, and a limit space for placing a human body is arranged between the handrails.
8. A sit-stand conversion shifter as claimed in claim 6, wherein: the hand rack comprises 2 symmetrically arranged support rods, and a plurality of connecting cross rods are fixedly connected between the 2 support rods to form a main body part of the hand rack.
9. A sit-stand conversion shifter as claimed in claim 6, wherein: the tensioning component is a pull rod or a pull cable.
10. A sit-stand conversion shifter as claimed in claim 6, wherein: and a body fat scale or a non-slip mat is fixedly arranged on the standing platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921266380.8U CN210872538U (en) | 2019-08-07 | 2019-08-07 | Self-locking pulley assembly and seat station conversion shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921266380.8U CN210872538U (en) | 2019-08-07 | 2019-08-07 | Self-locking pulley assembly and seat station conversion shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210872538U true CN210872538U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921266380.8U Active CN210872538U (en) | 2019-08-07 | 2019-08-07 | Self-locking pulley assembly and seat station conversion shifter |
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| Country | Link |
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| CN (1) | CN210872538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110279527A (en) * | 2019-08-07 | 2019-09-27 | 江苏苏云医疗器材有限公司 | Self-locking pulley assembly and seat station conversion shifter |
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2019
- 2019-08-07 CN CN201921266380.8U patent/CN210872538U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110279527A (en) * | 2019-08-07 | 2019-09-27 | 江苏苏云医疗器材有限公司 | Self-locking pulley assembly and seat station conversion shifter |
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