CN220365412U - Adjustable guardrail of lift - Google Patents
Adjustable guardrail of lift Download PDFInfo
- Publication number
- CN220365412U CN220365412U CN202321872567.9U CN202321872567U CN220365412U CN 220365412 U CN220365412 U CN 220365412U CN 202321872567 U CN202321872567 U CN 202321872567U CN 220365412 U CN220365412 U CN 220365412U
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- guardrail
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- elevator
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- 230000000670 limiting effect Effects 0.000 claims abstract description 41
- 230000000712 assembly Effects 0.000 claims abstract description 5
- 238000000429 assembly Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000002265 prevention Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 12
- 238000013461 design Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 12
- 238000012546 transfer Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000037147 athletic performance Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an adjustable guardrail of an elevator, which comprises a guardrail body, a driving assembly and a lifting assembly, wherein two groups of mounting plates are fixedly arranged on the lower surface of the guardrail body, two groups of symmetrical screw mounting holes are formed in the inner wall of the mounting plates, lifting assemblies are arranged at two ends of the guardrail body, one end of each lifting assembly is provided with the driving assembly, an extension guardrail is slidably arranged on the inner wall of each lifting assembly, ladder-shaped sliding blocks are fixedly arranged at two ends of each extension guardrail, a first limiting block is fixedly arranged on one side of each ladder-shaped sliding block, two groups of toothed rails are formed in the inner wall of each extension guardrail, limiting sliding grooves are formed in the inner walls of two groups of side plates, first limiting blocks are slidably arranged on the inner walls of the limiting sliding grooves, and ladder-shaped sliding blocks are slidably arranged on the inner walls of the two groups of side plates. The utility model has the advantage of lifting adjustment.
Description
Technical Field
The utility model belongs to the technical field of construction guardrails, and particularly relates to an adjustable guardrail of an elevator.
Background
The utility model provides a construction guardrail for road bridge construction, which is commonly used for common road, highway and various levels of road intersections, toll booths, bridges, parking lots, stations, wharfs, dangerous areas and road construction sections, wherein places such as temporary isolation fences of gathering places are used as road separation channels, regional shielding safety isolation, diversion, guidance or order maintenance for celebration activities of some books or athletic performance occasions such as sports entertainment, and can also be used for protecting and protecting equipment and facilities in factories, workshops, warehouses, parking lots, business areas, public places and the like, CN207048458U, a construction guardrail comprises a construction guardrail body, side guardrail assemblies, fixing holes, bolts and nuts, and the side guardrail assemblies are arranged on the front side surface of the construction guardrail body.
However, the prior art has some problems: the existing construction guardrail is single in structure and generally does not have a height adjusting function, when workers work on a bridge deck, the existing construction guardrail is reduced in safety protection to the workers due to the fact that the heights of the workers are poor, and the adjustable guardrail of the lifter is provided.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides an adjustable guardrail of an elevator, which has the advantage of lifting adjustment, solves the problems that the existing construction guardrail is single in structure and generally does not have a height adjusting function, and the safety protection of workers is reduced due to the difference in height of each worker when the workers work on a bridge deck.
The utility model discloses an adjustable guardrail of an elevator, which comprises a guardrail body, a driving assembly and a lifting assembly, wherein two groups of mounting plates are fixedly arranged on the lower surface of the guardrail body, two groups of symmetrical screw mounting holes are formed in the inner wall of each mounting plate, the lifting assembly is arranged at two ends of the guardrail body, the driving assembly is arranged at one end of each lifting assembly, an extension guardrail is slidably arranged on the inner wall of each lifting assembly, ladder-shaped sliding blocks are fixedly arranged at two ends of each extension guardrail, a first limiting block is fixedly arranged at one side of each ladder-shaped sliding block, and two groups of toothed rails are formed in the inner wall of each extension guardrail.
As preferable in the utility model, the driving assembly comprises an outer shell, a unidirectional gear is rotatably arranged on an inner wall bearing of the outer shell, and one end of the unidirectional gear is fixedly connected with the lifting assembly.
As the preferable mode of the utility model, the crank is fixedly arranged on the other side of the unidirectional gear, the interference prevention rod is rotatably arranged on the inner wall of the outer shell, and the limit groove is fixedly arranged on the inner wall of the outer shell.
As the preferable mode of the utility model, one end of the interference rod is arranged on the inner wall of the unidirectional gear, one side of the interference rod is fixedly provided with a second limiting block, the second limiting block is embedded into the inner wall of the limiting groove, and the inner wall of the outer shell is fixedly provided with a spring ejector rod.
As the preferable mode of the utility model, the output end of the spring ejector rod is fixedly arranged on the other side of the interference rod, the other side of the interference rod is fixedly provided with a connecting rod, one end of the connecting rod penetrates through the outer surface of the shell, and one end of the connecting rod is fixedly provided with a handle.
As the preferable mode of the utility model, the lifting assembly comprises two groups of side plates, the bearings on the inner walls of the two groups of side plates are rotated to form a transmission rod, the two ends of the transmission rod are fixedly provided with common gears, and the common gears and the toothed rail are meshed for movement.
As the preferable mode of the utility model, two groups of side plate inner walls are provided with limiting sliding grooves, the inner walls of the limiting sliding grooves are provided with first limiting blocks in a sliding manner, two groups of side plate inner walls are provided with trapezoidal sliding grooves, and the inner walls of the trapezoidal sliding grooves are provided with trapezoidal sliding blocks in a sliding manner.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the design of the guardrail body, the driving assembly and the lifting assembly, the crank is manually rotated to enable the unidirectional gear to rotate, the interference rod moves along the shape of the tooth mouth of the unidirectional gear when the unidirectional gear rotates, meanwhile, the spring ejector rod applies pressure to the interference rod, so that the interference rod cannot be sprung out when the unidirectional gear rotates rapidly, the interference rod is limited by the limiting groove and the second limiting block, the transmission rod rotates due to the rotation of the unidirectional gear, the common gear rotates due to the rotation of the transmission rod, the extension guardrail is lifted through the meshing movement of the common gear and the toothed rail, the trapezoidal sliding block slides on the inner wall of the trapezoidal sliding groove to assist the movement of the extension guardrail when the extension guardrail is lifted, the first limiting block moves on the inner wall of the limiting sliding groove, the connecting rod pulls the interference rod when the extension guardrail is contained, the spring ejector rod is compressed, one end of the interference rod is separated from the inner wall of the unidirectional gear, and the extension guardrail is lowered due to the weight of the extension guardrail and other parts to be contained, and thus the lifting effect is achieved.
2. According to the utility model, through the design of the unidirectional gear, when the unidirectional gear rotates, the interference rod moves along the shape of the tooth mouth of the unidirectional gear, and as the interference rod is continuously embedded into the inner wall of the unidirectional gear, the unidirectional gear can only rotate clockwise, so that the fixing effect is achieved.
3. According to the utility model, through the design of the spring ejector rod, the interference rod moves along the tooth mouth shape of the unidirectional gear when the unidirectional gear rotates, and meanwhile, the spring ejector rod applies pressure to the interference rod, so that the interference rod cannot be sprung out when the unidirectional gear rotates rapidly, and the limiting groove and the second limiting block limit the pressure of the interference rod, so that the limiting effect is achieved.
4. According to the utility model, through the design of the handle, when the extension guardrail is stored, the handle is pulled to enable the connecting rod to pull the interference rod, the spring ejector rod is compressed, one end of the interference rod is separated from the inner wall of the one-way gear, and the extension guardrail is lowered and stored due to the weight of the extension guardrail and other parts, so that the effect is achieved.
5. According to the utility model, through the design of the common gear and the toothed rail, the unidirectional gear rotates to enable the transmission rod to rotate, the transmission rod rotates to enable the common gear to rotate, and the extension guardrail is lifted through the meshing movement of the gear and the toothed rail, so that the lifting effect is achieved.
6. According to the utility model, through the design of the first limiting block, the common gear and the toothed rail are meshed to move so as to enable the extension guardrail to lift, when the extension guardrail lifts, the trapezoidal sliding block slides on the inner wall of the trapezoidal sliding groove to assist the extension guardrail to move, and meanwhile, the first limiting block moves on the inner wall of the limiting sliding groove and limits the extension guardrail, so that the limiting effect is achieved.
Drawings
FIG. 1 is a schematic view of the overall structure provided by an embodiment of the present utility model;
FIG. 2 is a schematic view of a rack provided by an embodiment of the present utility model;
FIG. 3 is a schematic view of a first limiting block according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a drive assembly provided by an embodiment of the present utility model;
FIG. 5 is a schematic view of a lifting assembly according to an embodiment of the present utility model;
fig. 6 is an enlarged view of area a of fig. 5 provided by an embodiment of the present utility model.
In the figure: 1. a guardrail body; 2. a screw mounting hole; 3. a mounting plate; 4. a drive assembly; 5. a lifting assembly; 6. a toothed rail; 7. a first limiting block; 8. a trapezoidal slider; 9. extending the guardrail; 401. an outer housing; 402. a spring ejector rod; 403. a handle; 404. a connecting rod; 405. a one-way gear; 406. a blocking lever; 407. a limit groove; 408. a second limiting block; 409. a crank; 501. a side plate; 502. limiting sliding grooves; 503. a transmission rod; 504. a trapezoidal chute; 505. a common gear.
Detailed Description
For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.
The structure of the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 6, an adjustable guardrail of an elevator provided by the embodiment of the utility model comprises a guardrail body 1, a driving component 4 and a lifting component 5, wherein two groups of mounting plates 3 are fixedly mounted on the lower surface of the guardrail body 1, two groups of symmetrical screw mounting holes 2 are formed in the inner wall of each mounting plate 3, lifting components 5 are arranged at two ends of the guardrail body 1, the driving component 4 is arranged at one end of each lifting component 5, an extension guardrail 9 is slidably mounted on the inner wall of each lifting component 5, ladder-shaped sliding blocks 8 are fixedly mounted at two ends of each extension guardrail 9, a first limiting block 7 is fixedly mounted on one side of each ladder-shaped sliding block 8, and two groups of toothed rails 6 are formed in the inner wall of each extension guardrail 9.
The scheme is adopted: through the design of guardrail body 1, drive assembly 4 and lifting unit 5, manual rotation crank 409 makes unidirectional gear 405 rotate, unidirectional gear 405 can follow unidirectional gear 405's tooth mouth shape and move during rotation, spring ejector pin 402 exerts pressure to the interference rod 406 simultaneously, make unidirectional gear 405 when fast rotation, interference rod 406 can not be sprung out, second spacing groove 407 and second stopper 408 carry out spacing to interference rod 406 pressure, unidirectional gear 405 rotates and makes transfer lever 503 rotate, transfer lever 503 rotates and makes ordinary gear 505 rotate, make extension guardrail 9 go up and down through ordinary gear 505 and rack meshing removal, when extension guardrail 9 goes up and down, trapezoidal slider 8 slides at trapezoidal spout 504 inner wall auxiliary extension guardrail 9 and removes at limit chute 502 inner wall, first stopper 7 is spacing to extension guardrail 9 simultaneously, when accomodating extension guardrail 9, pull handle 403 makes connecting rod 404 pull interference rod 406, spring ejector pin 402 compresses, interference rod 406 one end breaks away from unidirectional gear 405 inner wall, because extension guardrail 9 and other parts make extension guardrail 9 descend weight and accomodate the effect, thereby the effect of having reached.
Referring to fig. 4, the driving assembly 4 includes an outer housing 401, a unidirectional gear 405 is rotatably mounted on an inner wall bearing of the outer housing 401, and one end of the unidirectional gear 405 is fixedly connected with the lifting assembly 5.
The scheme is adopted: through the design of unidirectional gear 405, unidirectional gear 405 can follow unidirectional gear 405's tooth mouth shape and move by the interference rod 406 when rotating for the interference rod 406 can constantly imbed unidirectional gear 405 inner wall for unidirectional gear 405 can only rotate clockwise, thereby has reached fixed effect.
Referring to fig. 4, a crank 409 is fixedly installed on the other side of the unidirectional gear 405, a blocking rod 406 is rotatably installed on the inner wall of the outer housing 401, a limiting groove 407 is fixedly installed on the inner wall of the outer housing 401, one end of the blocking rod 406 is arranged on the inner wall of the unidirectional gear 405, a second limiting block 408 is fixedly installed on one side of the blocking rod 406, and the second limiting block 408 is embedded into the inner wall of the limiting groove 407, and a spring ejector rod 402 is fixedly installed on the inner wall of the outer housing 401.
The scheme is adopted: through the design of spring ejector pin 402, the interference rod 406 can move along the tooth mouth shape of unidirectional gear 405 when the unidirectional gear 405 rotates, and spring ejector pin 402 exerts pressure to interference rod 406 simultaneously for unidirectional gear 405 is when rotating fast, and interference rod 406 can not be sprung, and spacing groove 407 and second stopper 408 limit the interference rod 406 pressure secondly, thereby has reached spacing effect.
Referring to fig. 4, the output end of the spring ejector rod 402 is fixedly installed on the other side of the interference rod 406, the other side of the interference rod 406 is fixedly installed with a connecting rod 404, one end of the connecting rod 404 penetrates through the outer surface of the outer shell 401, and one end of the connecting rod 404 is fixedly installed with a handle 403.
The scheme is adopted: through the design of handle 403, when accomodating extension guardrail 9, pulling handle 403 makes connecting rod 404 pulling interference pole 406, and spring ejector pin 402 compression, interference pole 406 one end break away from the one-way gear 405 inner wall, because extension guardrail 9 and other part weight make extension guardrail 9 descend to accomodate to reached the effect.
Referring to fig. 5, the lifting assembly 5 includes two sets of side plates 501, a transmission rod 503 is rotated on the inner wall bearings of the two sets of side plates 501, and common gears 505 are fixedly installed at two ends of the transmission rod 503, and the common gears 505 and the toothed rail 6 are engaged and moved.
The scheme is adopted: through the design of ordinary gear 505 and rack 6, unidirectional gear 405 rotates and makes transfer line 503 rotate, and transfer line 503 rotates and makes ordinary gear 505 rotate, and through gear 505 and rack meshing removal make the lift of extension guardrail 9 to the effect of lift has been reached.
Referring to fig. 5, the inner walls of two sets of side plates 501 are provided with a limiting chute 502, the inner walls of the limiting chute 502 are slidably provided with a first limiting block 7, the inner walls of two sets of side plates 501 are provided with a trapezoid chute 504, and the inner walls of the trapezoid chute 504 are slidably provided with a trapezoid slide block 8.
The scheme is adopted: through the design of first stopper 7, ordinary gear 505 and rack meshing remove and make and extend guardrail 9 lift, extend guardrail 9 when going up and down, trapezoidal slider 8 is at trapezoidal spout 504 inner wall slip auxiliary extension guardrail 9 removal, and first stopper 7 moves at spacing spout 502 inner wall simultaneously, and first stopper 7 is spacing to extending guardrail 9 to reached spacing effect.
The working principle of the utility model is as follows:
when the lifting guardrail 9 is lifted, the trapezoidal sliding block 8 slides on the inner wall of the trapezoidal sliding groove 504 to assist in moving the extending guardrail 9, meanwhile, the first limiting block 7 moves on the inner wall of the limiting sliding groove 502, the first limiting block 7 limits the extending guardrail 9, when the extending guardrail 9 is contained, the handle 403 is pulled to enable the connecting rod 404 to pull the resisting rod 406, the spring push rod 402 is compressed, one end of the resisting rod 406 is separated from the inner wall of the unidirectional gear 405, the extending guardrail 9 is lowered due to the fact that the extending guardrail 9 and other parts are contained by weight.
To sum up: this adjustable guardrail of lift, through the guardrail body 1, screw mounting hole 2, mounting panel 3, drive assembly 4, lifting unit 5, rack 6, first stopper 7, trapezoidal slider 8, extend guardrail 9, shell body 401, spring ejector pin 402, handle 403, connecting rod 404, one-way gear 405, the interference rod 406, spacing groove 407, the structure of second stopper 408, crank 409, curb plate 501, spacing spout 502, transfer line 503, trapezoidal spout 504, ordinary gear 505, it is single to have solved current construction guardrail structure, generally all do not possess high regulatory function, when the staff works on the bridge floor, because each staff height is poor, the current construction guardrail of results in reduced the problem to staff safety protection.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an adjustable guardrail of lift, includes guardrail body (1), drive assembly (4) and lifting unit (5), its characterized in that: the novel guardrail is characterized in that two groups of mounting plates (3) are fixedly mounted on the lower surface of the guardrail body (1), two groups of symmetrical screw mounting holes (2) are formed in the inner wall of the mounting plates (3), lifting assemblies (5) are arranged at two ends of the guardrail body (1), driving assemblies (4) are arranged at one end of each lifting assembly (5), extension guardrails (9) are slidably mounted on the inner wall of each lifting assembly (5), ladder-shaped sliding blocks (8) are fixedly mounted at two ends of each extension guardrail (9), first limiting blocks (7) are fixedly mounted on one side of each ladder-shaped sliding block (8), and two groups of toothed rails (6) are formed in the inner wall of each extension guardrail (9).
2. An adjustable guardrail for an elevator as defined in claim 1, wherein: the driving assembly (4) comprises an outer shell (401), a unidirectional gear (405) is rotatably arranged on an inner wall bearing of the outer shell (401), and one end of the unidirectional gear (405) is fixedly connected with the lifting assembly (5).
3. An adjustable guardrail for an elevator as defined in claim 2, wherein: the crank (409) is fixedly arranged on the other side of the unidirectional gear (405), the interference prevention rod (406) is rotatably arranged on the inner wall of the outer shell (401), and the limit groove (407) is fixedly arranged on the inner wall of the outer shell (401).
4. An adjustable guardrail for an elevator as claimed in claim 3, wherein: one end of the interference rod (406) is arranged on the inner wall of the unidirectional gear (405), a second limiting block (408) is fixedly arranged on one side of the interference rod (406), the second limiting block (408) is embedded into the inner wall of the limiting groove (407), and a spring ejector rod (402) is fixedly arranged on the inner wall of the outer shell (401).
5. An adjustable guardrail for an elevator as defined in claim 4, wherein: the spring ejector rod (402) output end fixed mounting is in the other side of stopping lever (406), stopping lever (406) opposite side fixed mounting has connecting rod (404), connecting rod (404) one end runs through to shell body (401) surface, connecting rod (404) one end fixed mounting has hand (403).
6. An adjustable guardrail for an elevator as defined in claim 1, wherein: the lifting assembly (5) comprises two groups of side plates (501), the two groups of side plates (501) are provided with transmission rods (503) in a bearing rotation mode, common gears (505) are fixedly arranged at two ends of each transmission rod (503), and the common gears (505) and the toothed rails (6) are meshed to move.
7. An adjustable guardrail for an elevator as defined in claim 6, wherein: two sets of curb plate (501) inner wall has seted up spacing spout (502), spacing spout (502) inner wall slidable mounting has first stopper (7), two sets of trapezoidal spout (504) have been seted up to curb plate (501) inner wall, trapezoidal spout (504) inner wall slidable mounting has trapezoidal slider (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321872567.9U CN220365412U (en) | 2023-07-17 | 2023-07-17 | Adjustable guardrail of lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321872567.9U CN220365412U (en) | 2023-07-17 | 2023-07-17 | Adjustable guardrail of lift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220365412U true CN220365412U (en) | 2024-01-19 |
Family
ID=89514914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321872567.9U Active CN220365412U (en) | 2023-07-17 | 2023-07-17 | Adjustable guardrail of lift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220365412U (en) |
-
2023
- 2023-07-17 CN CN202321872567.9U patent/CN220365412U/en active Active
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