CN217268451U - Exposed connecting device for stair handrail - Google Patents
Exposed connecting device for stair handrail Download PDFInfo
- Publication number
- CN217268451U CN217268451U CN202220730238.XU CN202220730238U CN217268451U CN 217268451 U CN217268451 U CN 217268451U CN 202220730238 U CN202220730238 U CN 202220730238U CN 217268451 U CN217268451 U CN 217268451U
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- Prior art keywords
- stair
- stair railing
- hole
- groove
- rod
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- Expired - Fee Related
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- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
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- Steps, Ramps, And Handrails (AREA)
Abstract
The utility model belongs to the stair field, especially, stair railing exposed connecting device, it is loaded down with trivial details to not only operate the step to the connecting device of current stair railing, and the stability after connecting is relatively poor, still inconvenient problem of connecting to the stair railing of difference simultaneously, the scheme is put forward now, and it includes stair railing I, stair railing II, two connecting seats and two connection control subassemblies, stair railing I sets up in one side of stair railing II, and two connecting seats all set up between stair railing I and stair railing II, and the one end fixed mounting that two connecting seats are close to each other has same bracing piece, connection control subassembly sets up on the connecting seat that corresponds, connection control subassembly and stair railing I and stair railing II are connected. The utility model discloses a stair railing connecting device not only operates the step simple and convenient, and the stability after connecting is better, still can connect different stair railings simultaneously.
Description
Technical Field
The utility model relates to a stair technical field especially relates to a stair railing exposed connecting device.
Background
The stair railing plays an important role in stair construction, the stair railing is often arranged on the outer edge of a stair to serve as a partition wall to prevent a user from falling off, most of the prior common stair railings are integrally connected or connected through screws, and a retrieval application No. 202021830690.0 discloses a stair railing exposed connecting device, which comprises an exposed connecting piece, wherein two ends of the exposed connecting piece are respectively detachably connected with the stair railing, one end of the stair railing, which is connected with the exposed connecting piece, is provided with a mounting rail, two ends of the exposed connecting piece respectively extend into the mounting rail, and a detachable connecting assembly is arranged between the exposed connecting piece and the mounting rail; however, the conventional connecting device for the stair handrail is not only cumbersome in operation and poor in stability after connection, but also inconvenient in connection of different stair handrails.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an exposed connecting device of a stair handrail.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a stair railing exposed connecting device comprises a first stair railing, a second stair railing, two connecting seats and two connecting control assemblies, wherein the first stair railing is arranged on one side of the second stair railing, the two connecting seats are arranged between the first stair railing and the second stair railing, one ends, close to each other, of the two connecting seats are fixedly provided with the same supporting rod, the connecting control assemblies are arranged on the corresponding connecting seats, the connecting control assemblies are connected with the first stair railing and the second stair railing, each connecting control assembly comprises two movable adjusting seats, two screw rods I, two bevel gears I and a control knob, connecting grooves are formed in two sides of each connecting seat, the movable adjusting seats are slidably mounted in the two connecting grooves, grooves are formed in one sides of the first stair railing and the second stair railing in an assembled mode, the movable adjusting seats are mounted in the corresponding assembling grooves, a first threaded groove is formed in one side of each of the two movable adjusting seats, the same fixed hole is formed in the inner wall of one side of each of the two connecting grooves, a first screw rod is installed in the fixed hole in a rotating mode, a first screw rod is installed in the corresponding first threaded groove in a threaded mode, a first bevel gear is fixedly installed at one end of each of the two first screw rods, a rotating round rod is connected to the inner wall of one side of the fixed hole in a rotating mode, a second bevel gear and a control knob are fixedly installed at the two ends of the rotating round rod respectively, and the second bevel gear is meshed with the first bevel gear.
The limiting groove is formed in the inner walls of the two sides of the assembling groove, the connecting hole is formed in one side of the movable adjusting seat, two limiting blocks are arranged in the connecting hole in a sliding mode, the limiting blocks are arranged in the corresponding limiting grooves, two thread grooves are formed in one ends of the two limiting blocks, the two lead screws are arranged in the connecting hole in a rotating mode, two threads of each lead screw are arranged in the corresponding thread grooves, one end of each lead screw is fixedly provided with a first worm wheel, a through hole is formed in the inner wall of the connecting hole, a telescopic rod is installed in the through hole in a rotating mode, a first worm is fixedly installed at one end of the telescopic rod, and the first worm is meshed with the first worm wheel.
Specifically, the control lever is installed in the fixed orifices rotation, and flexible groove has all been seted up at the both ends of control lever, and the one end sliding connection of telescopic link is at flexible inslot, fixed mounting has worm wheel two on the control lever, rotates on one side inner wall of fixed orifices and is connected with the dead lever, the both ends difference fixed mounting of dead lever has worm two and rotates the knob, worm two meshes with worm wheel two.
Specifically, all seted up the spout on the both sides inner wall of spread groove, the equal fixed mounting in both sides of removal regulation seat has the slider, and slider slidable mounting is in the spout that corresponds.
Specifically, an auxiliary groove is formed in the inner wall of the connecting hole, a moving block is fixedly mounted on the limiting block, and the moving block is slidably mounted in the auxiliary groove.
Specifically, a bearing is fixedly installed in the through hole, and the telescopic rod is fixedly connected to an inner ring of the bearing.
Compared with the prior art, the beneficial effects of the utility model reside in that:
(1) the utility model discloses a stair railing exposed connecting device can carry out the high-speed joint to stair railing one and stair railing two, and the stability between two connecting seats is better, connects the holistic stability increase in back.
(2) The utility model discloses a stair railing exposed connecting device can adjust two service distances that remove the regulation seat to can connect the stair railing of difference.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be understood that the drawings in the following description are illustrative only, and that the structures, proportions, sizes, and other elements shown in the drawings are incorporated herein by reference in their entirety for all purposes in the present disclosure, which are not intended to limit the scope of the invention, but rather are to be construed as being within the spirit and scope of the invention.
Fig. 1 is a schematic front view of an exposed connection device for a stair railing according to the present invention;
fig. 2 is a schematic perspective view of the connection seat, the movable adjustment seat and the rotary knob of the exposed connection device for the stair railing according to the present invention;
fig. 3 is a schematic structural view of a part a of the exposed connection device of the stair railing of the present invention;
fig. 4 is a schematic structural view of a portion B of the exposed connection device of the stair railing of the present invention.
In the figure: 1. a first stair handrail; 2. a second stair handrail; 3. a connecting seat; 4. a support bar; 5. moving the adjusting seat; 6. a first screw rod; 7. a first bevel gear; 8. a second bevel gear; 9. a control knob; 10. a limiting block; 11. a second screw rod; 12. a first worm wheel; 13. a first worm; 14. a telescopic rod; 15. a control lever; 16. a second worm gear; 17. a second worm; 18. the knob is turned.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, an exposed stair railing connecting device comprises a first stair railing 1, a second stair railing 2 and two connecting seats 3, wherein the first stair railing 1 is arranged on one side of the second stair railing 2, the two connecting seats 3 are both arranged between the first stair railing 1 and the second stair railing 2, one ends of the two connecting seats 3, which are close to each other, are fixedly provided with the same supporting rod 4, two sides of the connecting seats 3 are respectively provided with a connecting groove, a movable adjusting seat 5 is slidably arranged in the two connecting grooves, one sides of the first stair railing 1 and the second stair railing 2 are respectively provided with an assembling groove, the movable adjusting seats 5 are arranged in the corresponding assembling grooves, one sides of the two movable adjusting seats 5 are respectively provided with a first threaded groove, one inner wall of one side of the two connecting grooves is provided with the same fixing hole, and two first screw rods 6 are rotatably arranged in the fixing holes, the first 6 screw threads of the screw rod are installed in the corresponding first thread groove, a first bevel gear 7 is fixedly installed at one end of each of the first 6 screw rods, a rotary round rod is rotatably connected to the inner wall of one side of the fixing hole, a second bevel gear 8 and a control knob 9 are fixedly installed at the two ends of the rotary round rod respectively, and the second bevel gear 8 is meshed with the first two bevel gears 7.
In the embodiment, the inner walls of two sides of the assembling groove are both provided with a limiting groove, one side of the movable adjusting seat 5 is provided with a connecting hole, two limiting blocks 10 are slidably mounted in the connecting hole, the limiting blocks 10 are mounted in the corresponding limiting grooves, one end of each of the two limiting blocks 10 is provided with a thread groove II, two lead screws 11 are rotatably mounted in the connecting hole, the two lead screws 11 are threadedly mounted in the corresponding thread grooves II, one end of each of the two lead screws 11 is fixedly provided with a worm wheel I12, the inner wall of the connecting hole is provided with a through hole, a telescopic rod 14 is rotatably mounted in the through hole, one end of the telescopic rod 14 is fixedly provided with a worm I13, the worm I13 is meshed with the worm wheel I12, a control rod 15 is rotatably mounted in the fixed hole, the two ends of the control rod 15 are both provided with a telescopic groove, one end of the telescopic rod 14 is slidably connected in the telescopic groove, the control rod 15 is fixedly provided with a worm wheel II 16, the inner wall of one side of the fixing hole is rotatably connected with a fixing rod, two ends of the fixing rod are respectively fixedly provided with a second worm 17 and a rotating knob 18, and the second worm 17 is meshed with the second worm wheel 16.
In this embodiment, all seted up the spout on the both sides inner wall of spread groove, the equal fixed mounting in both sides of removal regulation seat 5 has the slider, and slider slidable mounting is in the spout that corresponds.
In this embodiment, seted up supplementary groove on the inner wall of connecting hole, fixed mounting has the movable block on the stopper 10, and the movable block slidable mounting is in supplementary inslot.
In this embodiment, a bearing is fixedly installed in the through hole, and the telescopic rod 14 is fixedly connected to the inner ring of the bearing.
In this embodiment, the connecting seat 3 is disposed between the first stair railing 1 and the second stair railing 2, the control knob 9 is rotated, the control knob 9 drives the second bevel gears 8 to rotate, the second bevel gears 8 drive the first bevel gears 7 to rotate simultaneously, the first bevel gears 7 drive the corresponding first screw rods 6 to rotate, the first screw rods 6 drive the corresponding movable adjusting seats 5 to move, the movable adjusting seats 5 enter the corresponding assembling grooves, meanwhile, the telescopic rod 14 moves in the telescopic groove, the rotary knob 18 drives the second worm 17 to rotate, the second worm 17 drives the control rod 15 on the second worm wheel 16 to rotate, the control rod 15 drives the first worm 13 on the telescopic rod 14 to rotate, the first worm 13 drives the worm wheel to rotate, the worm wheel drives the second two lead screws 11 to rotate, the second lead screws 11 drive the corresponding limiting blocks 10 to slide in the connecting holes, so that the limiting block 10 slides into the limiting groove, and the first stair handrail 1 and the second stair handrail 2 can be connected.
The utility model discloses the technological progress that prior art obtained relatively is: the utility model discloses a stair railing connecting device not only operates the step simple and convenient, and the stability after connecting is better, still can connect different stair railings simultaneously.
Claims (6)
1. The stair handrail exposed connecting device is characterized by comprising a first stair handrail (1), a second stair handrail (2), two connecting seats (3) and two connecting control assemblies, wherein the first stair handrail (1) is arranged on one side of the second stair handrail (2), the two connecting seats (3) are arranged between the first stair handrail (1) and the second stair handrail (2), one ends, close to each other, of the two connecting seats (3) are fixedly provided with the same supporting rod (4), the connecting control assemblies are arranged on the corresponding connecting seats (3), the connecting control assemblies are connected with the first stair handrail (1) and the second stair handrail (2), each connecting control assembly comprises two movable adjusting seats (5), two first lead screws (6), two first bevel gears (7) and a control knob (9), connecting grooves are formed in two sides of each connecting seat (3), a movable adjusting seat (5) is slidably arranged in each connecting groove, assembling grooves are formed in one side of each stair railing I (1) and one side of each stair railing II (2), the movable adjusting seats (5) are arranged in the corresponding assembling grooves, one side of each of the two movable adjusting seats (5) is provided with a first threaded groove, the inner wall of one side of each of the two connecting grooves is provided with a same fixing hole, two first screw rods (6) are rotatably arranged in the fixed holes, the first screw rods (6) are arranged in corresponding first thread grooves in a threaded manner, one end of each of the two first screw rods (6) is fixedly provided with a first bevel gear (7), the inner wall of one side of the fixed hole is rotatably connected with a rotary round rod, two ends of the rotary round rod are respectively and fixedly provided with a second bevel gear (8) and a control knob (9), and the second bevel gear (8) is meshed with the first bevel gears (7).
2. The exposed stair railing connector as recited in claim 1, the inner walls of the two sides of the assembling groove are both provided with limiting grooves, one side of the movable adjusting seat (5) is provided with a connecting hole, sliding mounting has two stopper (10) in the connecting hole, stopper (10) are installed in the spacing inslot that corresponds, and thread groove two has all been seted up to the one end of two stopper (10), and two lead screw two (11) are installed to the connecting hole internal rotation, and two (11) screw threads of lead screw are installed in the thread groove two that correspond, and the one end fixed mounting of two lead screw two (11) has same worm wheel (12), has seted up the through-hole on the inner wall of connecting hole, and telescopic link (14) are installed to the through-hole internal rotation, and the one end fixed mounting of telescopic link (14) has worm (13), worm (13) and worm wheel (12) meshing.
3. The stair handrail exposed connecting device as claimed in claim 2, wherein a control rod (15) is rotatably mounted in the fixing hole, two ends of the control rod (15) are respectively provided with a telescopic groove, one end of the telescopic rod (14) is slidably connected in the telescopic groove, a second worm wheel (16) is fixedly mounted on the control rod (15), a fixing rod is rotatably connected to one inner wall of the fixing hole, a second worm (17) and a rotating knob (18) are respectively fixedly mounted at two ends of the fixing rod, and the second worm (17) is meshed with the second worm wheel (16).
4. The exposed connecting device of a stair railing according to claim 1, wherein the connecting groove is provided with sliding grooves on the inner walls of both sides, and the sliding blocks are fixedly mounted on both sides of the movable adjusting seat (5) and slidably mounted in the corresponding sliding grooves.
5. The exposed connecting device of the stair handrail as claimed in claim 2, wherein an auxiliary groove is formed on the inner wall of the connecting hole, a moving block is fixedly mounted on the limiting block (10), and the moving block is slidably mounted in the auxiliary groove.
6. The exposed connection device of a stair railing according to claim 3, characterized in that a bearing is fixedly arranged in the through hole, and the telescopic rod (14) is fixedly connected to the inner ring of the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220730238.XU CN217268451U (en) | 2022-03-30 | 2022-03-30 | Exposed connecting device for stair handrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220730238.XU CN217268451U (en) | 2022-03-30 | 2022-03-30 | Exposed connecting device for stair handrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217268451U true CN217268451U (en) | 2022-08-23 |
Family
ID=82871758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220730238.XU Expired - Fee Related CN217268451U (en) | 2022-03-30 | 2022-03-30 | Exposed connecting device for stair handrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217268451U (en) |
-
2022
- 2022-03-30 CN CN202220730238.XU patent/CN217268451U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220823 |