CN213682925U

CN213682925U - Modular connecting structure for laminated glass handrail

Info

Publication number: CN213682925U
Application number: CN202022343022.1U
Authority: CN
Inventors: 陈莹; 张泽永; 胡健; 孟小可; 徐宏伟; 耿春蕾; 范凯; 何征颖
Original assignee: Gold Mantis Fine Decoration Technology Suzhou Co Ltd
Current assignee: Gold Mantis Fine Decoration Technology Suzhou Co Ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-07-13
Anticipated expiration: 2030-10-20

Abstract

The utility model belongs to the technical field of the railing, and a modular connection structure for doubling glass railing handrail is disclosed, which comprises a handrail, the left side fixed mounting of handrail bottom has first supporting leg, the right side fixed mounting of handrail bottom has the second supporting leg, the equal fixed mounting in bottom of first supporting leg and second supporting leg has the base, the side mouth has all been seted up in the right side of first supporting leg and the left side of second supporting leg. The utility model discloses a set up two-way lead screw, motion piece and connection steel pole, when two-way lead screw took place to rotate, will make two motion piece back of the body motions, because two promotion effect of connecting the steel pole this moment will have realized that the mount drives four fixed module downstream to four fixed module's position height has been changed, so that adjust the mounting height of glass board, easy operation is convenient, has made things convenient for the staff to install the operation, has consequently increased the practicality of this glass railing handrail.

Description

Modular connecting structure for laminated glass handrail

Technical Field

The utility model belongs to the technical field of the railing, specifically be a modular connection structure for doubling glass railing handrail.

Background

The railing is a safety facility on bridges and buildings, the railing plays a role of separating and guiding when in use, so that the boundary of a divided area is clear, the designed railing has a decorative significance, and the railing can be divided into an internode type and a continuous type from the form of the railing, wherein the former consists of a stand column, a handrail and a transverse block, the handrail is supported on the stand column, and the latter consists of a handrail, a railing post and a base.

At present, the staff often can use glass railing and handrail when installing the railing, and current glass railing handrail is at the in-process of in-service use, has following problem:

first, current glass railing is in the installation, because the design of its module adoption fixity to lead to the module can only carry out the installation of fixed height to glass structure, thereby lead to the staff can't combine actual installation condition to carry out appropriate adjustment, and then brought inconvenience for staff's use.

The second point, current glass railing is when using for a long time, and glass structure can appear unavoidably and receive external collision influence, and produce crack or breakage, when the staff dismantles it and when replacing this moment, not only complex operation causes glass structure to receive the secondary damage in addition easily, and then has brought inconvenience for staff's operation.

Third, the glass structure that current glass railing installed because its self lacks corresponding buffering protection architecture, when it received external collision, will lead to glass structure to appear the crack easily, will take place crushing phenomenon when serious to the use of giving the user has brought adverse effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modular connection structure for doubling glass railing handrail to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the present invention provides the following technical solutions: a modular connecting structure for a laminated glass handrail comprises a handrail, wherein a first supporting leg is fixedly arranged on the left side of the bottom of the handrail, a second supporting leg is fixedly arranged on the right side of the bottom of the handrail, bases are fixedly arranged at the bottoms of the first supporting leg and the second supporting leg, side openings are formed in the right side of the first supporting leg and the left side of the second supporting leg, movable blocks are movably sleeved in the side openings, the number of the movable blocks is two, one side of each of the two movable blocks is movably connected with the inner wall of each of the side openings, connecting plates positioned on the right side of the first supporting leg and the left side of the second supporting leg are fixedly arranged on the other sides of the two movable blocks respectively, fixed modules are fixedly arranged at the tops and the bottoms of the connecting plates, the number of the fixed modules is four, and the two of the fixed modules in the horizontal direction are a group, two sets of the equal fixed mounting in top or the bottom of fixed module has the mount, the slotted opening that is located between first supporting leg and the second supporting leg is seted up to the bottom of handrail, the side chamber has been seted up between the bottom of handrail and the top of second supporting leg, two-way lead screw has been cup jointed in the inside activity of slotted opening, the right-hand member fixedly connected with of two-way lead screw is located the inside dwang of handrail, the right-hand member of dwang runs through the side chamber and extends to the inside in side chamber and cup joints with the inner wall activity in side chamber, the surface screw thread of two-way lead screw has cup jointed the inside motion piece that is located the slotted opening, the quantity of motion piece is two, two the bottom of motion piece all articulates there is the connection steel pole, the quantity of connecting the steel pole is two, two the bottom of connecting the steel pole all is articulated.

Preferably, a rotating rod positioned below the rotating rod is movably arranged in the side cavity, the right end of the rotating rod penetrates through the second supporting leg and extends to the outside of the second supporting leg, a disc is fixedly arranged on the right end of the rotating rod, a handle rod is fixedly arranged at the top of the right side of the disc, a driving gear positioned in the side cavity is fixedly sleeved on the outer surface of the rotating rod, the outer surface of the rotating rod is fixedly sleeved with a driven gear positioned in the side cavity, the outer surface of the driven gear is meshed and connected with the outer surface of the driving gear, when the rotating rod rotates, the driving gear drives the driven gear, the rotating rod and the bidirectional screw rod to rotate, thereby realized the back of the body motion of two motion pieces, through the articulated cooperation of two connection steel poles this moment, will realize that the glass board is whole to move down, and then changed the mounted position of glass board.

Preferably, the inside fixed mounting on the positive right side of fixed module has first cushion, the inside movable mounting of first cushion has the glass board, the internal orifice has all been seted up to the top and the bottom of glass board front both sides, the internal orifice is located the inside of first cushion, the inner wall fixed mounting of fixed module has the locating pin, the other end of locating pin runs through first cushion and extends to the inside of internal orifice, because cooperation between internal orifice and the locating pin, will form the location effect to the glass board to the later stage of being convenient for carries out the rigidity to the glass board.

Preferably, the fixed module's front fixed mounting has the round axle that is located the left of first cushion, the rotor block has been cup jointed in the surface activity of round axle, the inside fixed mounting at the rotor block back has the second cushion that is located the round axle right side, because adopt the activity mode of cup jointing between round axle and the rotor block to make the rotor block can be at the positive rotatory activity of fixed module, so that follow-up dismantlement to the glass board.

Preferably, the inside of locating pin bottom is seted up threaded hole, the internal thread of screw hole has cup jointed the screw thread round pin, the bottom fixed mounting of screw thread round pin has the connecting rod, the bottom of connecting rod runs through the second cushion and extends to the inside and the fixed mounting of turning block and is located the outside round button of turning block, and through the cooperation between screw hole and the screw thread round pin, will realize the fixed action to turning block and second cushion, will further fix the glass board this moment.

Preferably, outer notch has all been seted up to the top and the bottom of glass board, the middle part fixed mounting of outer notch inner chamber has stiff spring, stiff spring's other end fixed mounting has the long board that is located the glass board outside, the outside fixed mounting of long board has the foam-rubber cushion, because stiff spring's design, will tentatively cushion external impact, simultaneously because the setting of foam-rubber cushion, will reduce the harm of impact.

Preferably, the fixed cover piece that is located the stiff spring both sides has been cup jointed to the inside of glass board, the top and the bottom of fixed cover piece all run through the glass board and extend to the inside of outer notch, the inside fixed mounting of fixed cover piece has the spacer block, the circle piece that is located spacer block top and below has been cup jointed in the inside activity of fixed cover piece, fixedly connected with flexible spring between spacer block and the circle piece, the opposite side fixed mounting of circle piece has the quarter butt, the other end of quarter butt run through fixed cover piece and extend to the outside of fixed cover piece and with the bottom fixed connection of long slab, because flexible spring's design, will further strengthen the holistic buffering effect of glass board, the effectual external impact that has reduced to the protection effect of glass board self has been improved.

Preferably, the outer surface of the bidirectional screw is provided with two sections of threads, and the directions of the two sections of threads are opposite, so that when the bidirectional screw rotates, the two moving blocks move towards or away from each other.

Preferably, the bottom fixedly connected with compression spring of movable block, compression spring's bottom and the bottom fixed connection of side mouthful inner chamber because compression spring is compression state to exert an ascending elasticity to the movable block, and then can provide a holding power to the glass board is whole.

The utility model has the advantages as follows:

1. the utility model discloses a set up two-way lead screw, motion piece and connection steel pole, when two-way lead screw took place to rotate, will make two motion piece back of the body motions, because two promotion effect of connecting the steel pole this moment will have realized that the mount drives four fixed module downstream to four fixed module's position height has been changed, so that adjust the mounting height of glass board, easy operation is convenient, has made things convenient for the staff to install the operation, has consequently increased the practicality of this glass railing handrail.

2. The utility model discloses a set up turning block, screw hole and screw thread round pin, when the glass board need dismantle the replacement, the staff can be with screw thread round pin from the inside screw hole back-out, then rotate the turning block, make it stagger from the front of glass board, later can stimulate the glass board for the locating pin breaks away from the inside of internal orifice, and easy and simple to handle and can not cause the secondary to the glass structure and damage, consequently further increase the practicality of this glass railing handrail.

3. The utility model discloses a set up rigid spring, foam-rubber cushion and flexible spring, through the cooperation between rigid spring and the foam-rubber cushion, will carry out preliminary buffering to external impact, and because flexible spring's design, will further reduce the harm of external impact to whole good guard action has been played to the glass board, reduced the glass board and produced crack or broken probability, consequently improved the practicality of this glass railing handrail.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the present invention in a partial cross-sectional structure;

FIG. 3 is a schematic front view of the glass plate of the present invention;

fig. 4 is a schematic front view of the fixing module of the present invention;

fig. 5 is a schematic top view of the turning block of the present invention;

FIG. 6 is a schematic top view of the sponge mat of the present invention;

FIG. 7 is a schematic view of the internal structure of the side cavity of the present invention;

fig. 8 is a schematic view of a partially enlarged structure at a position a of the present invention.

In the figure: 1. a handrail; 2. a first support leg; 3. a second support leg; 4. a side port; 5. a movable block; 6. a connecting plate; 7. a fixed module; 8. a fixed mount; 9. a long slot opening; 10. a lateral cavity; 11. a bidirectional lead screw; 12. a motion block; 13. connecting a steel rod; 14. rotating the rod; 15. a driven gear; 16. rotating the rod; 17. a driving gear; 18. a disc; 19. a handle bar; 20. a first rubber pad; 21. a glass plate; 22. an inner opening; 23. positioning pins; 24. a circular shaft; 25. rotating the block; 26. a second rubber pad; 27. a threaded hole; 28. a threaded pin; 29. a connecting rod; 30. a round button; 31. an outer notch; 32. a rigid spring; 33. a long plate; 34. a sponge cushion; 35. fixing the sleeve block; 36. a spacer block; 37. a flexible spring; 38. a round block; 39. a short bar; 40. a base; 41. compressing the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

As shown in figures 1 to 8, in the embodiment of the utility model, the modular connecting structure for the glued glass handrail comprises a handrail 1, a first supporting leg 2 is fixedly arranged at the left side of the bottom of the handrail 1, a second supporting leg 3 is fixedly arranged at the right side of the bottom of the handrail 1, bases 40 are fixedly arranged at the bottoms of the first supporting leg 2 and the second supporting leg 3, side openings 4 are respectively arranged at the right side of the first supporting leg 2 and the left side of the second supporting leg 3, movable blocks 5 are movably sleeved in the side openings 4, the number of the movable blocks 5 is two, one side of each of the two movable blocks 5 is movably connected with the inner wall of the side opening 4, connecting plates 6 are respectively and fixedly arranged at the right side of the first supporting leg 2 and the left side of the second supporting leg 3 at the other side of the two movable blocks 5, fixed modules 7 are fixedly arranged at the top and the bottom of the connecting plates 6, the number of the fixed, two of four fixed module 7 horizontal directions are a set of, the equal fixed mounting in top or the bottom of two sets of fixed module 7 has mount 8, long notch 9 that is located between first supporting leg 2 and the second supporting leg 3 is seted up to handrail 1's bottom, side chamber 10 has been seted up between handrail 1's bottom and the top of second supporting leg 3, two-way lead screw 11 has been cup jointed to long notch 9's inside activity, two-way lead screw 11's right-hand member fixedly connected with is located handrail 1 inside dwang 14, the right-hand member of dwang 14 runs through side chamber 10 and extends to the inside of side chamber 10 and cup joints with the inner wall activity in side chamber 10, two-way lead screw 11's surface screw thread has cup jointed the motion piece 12 that is located long notch 9 inside, the quantity of motion piece 12 is two, the bottom of two motion pieces 12 all articulates there is connecting steel pole 13, the quantity of connecting steel pole 13 is two, two bottoms of connecting steel pole 13 all are.

Wherein, a rotating rod 16 positioned below the rotating rod 14 is movably arranged inside the side cavity 10, the right end of the rotating rod 16 penetrates through the second supporting leg 3 and extends to the outside of the second supporting leg 3, a disc 18 is fixedly arranged on the right side of the disc 18, a handle rod 19 is fixedly arranged on the top of the right side of the disc 18, a driving gear 17 positioned inside the side cavity 10 is fixedly sleeved on the outer surface of the rotating rod 16, a driven gear 15 positioned inside the side cavity 10 is fixedly sleeved on the outer surface of the rotating rod 14, the outer surface of the driven gear 15 is meshed and connected with the outer surface of the, when the rotating rod 16 rotates, the driving gear 17 will drive the driven gear 15, the rotating rod 14 and the bidirectional screw 11 to rotate, therefore, the two moving blocks 12 move back to back, the whole downward movement of the glass plate 21 can be realized through the hinged fit of the two connecting steel rods 13, and the installation position of the glass plate 21 is changed.

Wherein, the inside fixed mounting on the positive right side of fixed module 7 has first cushion 20, the inside movable mounting of first cushion 20 has glass board 21, interior mouthful 22 has all been seted up to the top and the bottom of the positive both sides of glass board 21, interior mouthful 22 is located the inside of first cushion 20, the inner wall fixed mounting of fixed module 7 has locating pin 23, the other end of locating pin 23 runs through first cushion 20 and extends to the inside of interior mouthful 22, because the cooperation between interior mouthful 22 and the locating pin 23, will form the location effect to glass board 21, thereby be convenient for the later stage to carry out the rigidity to glass board 21.

Wherein, fixed module 7's front fixed mounting has the round axle 24 that is located first cushion 20 left side, and the surface activity of round axle 24 has cup jointed turning block 25, and the inside fixed mounting at the turning block 25 back has the second cushion 26 that is located round axle 24 right side, because adopt the activity mode of cup jointing between round axle 24 and the turning block 25 to make turning block 25 can be at fixed module 7's the rotatory activity in front, so that follow-up dismantlement glass sheet 21.

Wherein, threaded hole 27 is seted up to the inside of locating pin 23 bottom, threaded pin 28 has been cup jointed to the internal thread of threaded hole 27, threaded pin 28's bottom fixed mounting has connecting rod 29, connecting rod 29's bottom runs through second cushion 26 and extends to the inside and fixed mounting of turning block 25 and be located the outside round button 30 of turning block 25, through the cooperation between threaded hole 27 and the threaded pin 28, will realize the fixed action to turning block 25 and second cushion 26, will further fix glass sheet 21 this moment.

Wherein, outer notch 31 has all been seted up to the top and the bottom of glass board 21, and the middle part fixed mounting of outer notch 31 inner chamber has stiff spring 32, and the other end fixed mounting of stiff spring 32 has the long board 33 that is located glass board 21 outside, and the outside fixed mounting of long board 33 has foam-rubber cushion 34, because stiff spring 32's design, will preliminary buffering external impact, because foam-rubber cushion 34's setting simultaneously, will reduce the harm of impact.

Wherein, the fixed cover in inside of glass board 21 has connect the fixed cover piece 35 that is located rigid spring 32 both sides, the top and the bottom of fixed cover piece 35 all run through glass board 21 and extend to the inside of outer notch 31, the inside fixed mounting of fixed cover piece 35 has spacer 36, the inside activity of fixed cover piece 35 has cup jointed the round piece 38 that is located spacer 36 top and below, fixedly connected with flexible spring 37 between spacer 36 and the round piece 38, the opposite side fixed mounting of round piece 38 has short pole 39, the other end of short pole 39 runs through fixed cover piece 35 and extends to the outside of fixed cover piece 35 and with the bottom fixed connection of long slab 33, because flexible spring 37's design, the holistic buffering effect of glass board 21 that will further strengthened, the effectual external impact that has reduced, thereby the protection effect of glass board 21 self has been improved.

Two sections of threads are arranged on the outer surface of the bidirectional screw rod 11, and the directions of the two sections of threads are opposite, so that when the bidirectional screw rod 11 rotates, the two moving blocks 12 move towards or away from each other.

Wherein, the bottom fixedly connected with compression spring 41 of movable block 5, the bottom of compression spring 41 and the bottom fixed connection of side mouth 4 inner chamber because compression spring 41 is compression state to exert an ascending elasticity to movable block 5, and then can provide a holding power to glass sheet 21 is whole.

The working principle and the using process are as follows:

when the staff need adjust the position height of glass sheet 21, can rotate handle bar 19 this moment to make disc 18 drive driving gear 17 rotatory through rotary rod 16, and driving gear 17 will drive dwang 14 and two-way lead screw 11 through driven gear 15 and rotate, and because two-way lead screw 11's rotation, will make two motion blocks 12 back of the body motion, because the impetus of two connection steel poles 13 this moment, will make mount 8 drive the whole downstream of glass sheet 21, and then adjust the position height of glass sheet 21.

When the staff need dismantle glass sheet 21, the staff can at this moment at first rotate round button 30 for threaded pin 28 breaks away from the inside of screw hole 27, and then removes the fixed effect of turning block 25 to glass sheet 21, then the staff can rotate turning block 25 ninety degrees downwards, turning block 25 will stagger from the front of glass sheet 21 this moment, then the staff can pull glass sheet 21, make locating pin 23 break away from the inside of interior mouth 22, can accomplish the dismantlement operation to glass sheet 21.

When the glass plate 21 is used for a long time, if the external impact force is generated to the outside of the glass plate, the external impact force is buffered primarily due to the cooperation between the rigid spring 32 and the spongy cushion 34, and meanwhile, due to the action of the flexible spring 37, the damage of the external impact force is further reduced, so that the protection effect on the glass plate 21 is enhanced, and the probability of cracking or breaking of the glass plate 21 is reduced.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a modular connection structure for doubling glass railing handrail, includes handrail (1), its characterized in that: the handrail is characterized in that a first supporting leg (2) is fixedly mounted on the left side of the bottom of the handrail (1), a second supporting leg (3) is fixedly mounted on the right side of the bottom of the handrail (1), a base (40) is fixedly mounted at the bottoms of the first supporting leg (2) and the second supporting leg (3), side openings (4) are formed in the right side of the first supporting leg (2) and the left side of the second supporting leg (3), movable blocks (5) are sleeved in the side openings (4) in an inner movable mode, the number of the movable blocks (5) is two, one side of each movable block (5) is movably connected with the inner wall of each side opening (4), a connecting plate (6) located on the right side of the first supporting leg (2) and the left side of the second supporting leg (3) is fixedly mounted at the other side of each movable block (5), and a fixing module (7) is fixedly mounted at the top and the bottom of the connecting plate (, the quantity of fixed module (7) is four, four two of fixed module (7) horizontal direction are a set of, two sets of the top or the equal fixed mounting in bottom of fixed module (7) have mount (8), notch (9) that is located between first supporting leg (2) and second supporting leg (3) is seted up to the bottom of handrail (1), side chamber (10) have been seted up between the bottom of handrail (1) and the top of second supporting leg (3), two-way lead screw (11) have been cup jointed in the inside activity of notch (9), the right-hand member fixedly connected with of two-way lead screw (11) is located dwang (14) of handrail (1) inside, the right-hand member of dwang (14) runs through side chamber (10) and extends to the inside of side chamber (10) and cup joints with the inner wall activity of side chamber (10), the surface screw thread of two-way lead screw (11) has cup jointed the motion piece (12) that is located inside of notch (9), the quantity of motion piece (12) is two, two the bottom of motion piece (12) all articulates there is connecting steel pole (13), the quantity of connecting steel pole (13) is two, two the bottom of connecting steel pole (13) all articulates with the top of mount (8).

2. The modular connection structure for a laminated glass balustrade handrail of claim 1, wherein: the inside movable mounting of side chamber (10) has rotary rod (16) that is located dwang (14) below, the right-hand member of rotary rod (16) runs through second supporting leg (3) and extends to the outside and fixed mounting of second supporting leg (3) and has disc (18), the top fixed mounting on disc (18) right side has handle pole (19), the external fixed surface of rotary rod (16) has cup jointed driving gear (17) that are located side chamber (10) inside, the external fixed surface of dwang (14) has cup jointed driven gear (15) that are located side chamber (10) inside, the surface of driven gear (15) is connected with the surface engagement of driving gear (17).

3. The modular connection structure for a laminated glass balustrade handrail of claim 1, wherein: fixed module (7) openly the right side inside fixed mounting have first cushion (20), the inside movable mounting of first cushion (20) has glass board (21), interior mouthful (22) have all been seted up to the top and the bottom of glass board (21) front both sides, interior mouthful (22) are located the inside of first cushion (20), the inner wall fixed mounting of fixed module (7) has locating pin (23), the other end of locating pin (23) runs through first cushion (20) and extends to the inside of interior mouthful (22).

4. The modular connection structure for a laminated glass balustrade handrail of claim 1, wherein: the front fixed mounting of fixed module (7) has round axle (24) that are located first cushion (20) left side, the surface activity of round axle (24) has cup jointed turning block (25), the inside fixed mounting at the turning block (25) back has second cushion (26) that are located round axle (24) right side.

5. The modular connection structure for a laminated glass balustrade handrail of claim 3, wherein: threaded hole (27) are seted up to the inside of locating pin (23) bottom, threaded pin (28) have been cup jointed to the internal thread of threaded hole (27), the bottom fixed mounting of threaded pin (28) has connecting rod (29), the bottom of connecting rod (29) runs through second cushion (26) and extends to the inside and the fixed mounting of turning block (25) and has round button (30) that are located turning block (25) outside.

6. The modular connection structure for a laminated glass balustrade handrail of claim 3, wherein: outer notch (31) have all been seted up to the top and the bottom of glass board (21), the middle part fixed mounting of outer notch (31) inner chamber has stiff spring (32), the other end fixed mounting of stiff spring (32) has long board (33) that is located glass board (21) outside, the outside fixed mounting of long board (33) has foam-rubber cushion (34).

7. The modular connection structure for a laminated glass balustrade handrail of claim 3, wherein: the fixed cover piece (35) that are located rigid spring (32) both sides have been cup jointed to the inside of glass board (21), the top and the bottom of fixed cover piece (35) all run through glass board (21) and extend to the inside of outer notch (31), the inside fixed mounting of fixed cover piece (35) has spacer block (36), circle piece (38) that are located spacer block (36) top and below have been cup jointed in the inside activity of fixed cover piece (35), fixedly connected with flexible spring (37) between spacer block (36) and circle piece (38), the opposite side fixed mounting of circle piece (38) has quarter butt (39), the other end of quarter butt (39) runs through fixed cover piece (35) and extends to the outside of fixed cover piece (35) and with the bottom fixed connection of long slab (33).

8. The modular connection structure for a laminated glass balustrade handrail of claim 1, wherein: the outer surface of the bidirectional screw rod (11) is provided with two sections of threads, and the directions of the two sections of threads are opposite.

9. The modular connection structure for a laminated glass balustrade handrail of claim 1, wherein: the bottom fixedly connected with compression spring (41) of movable block (5), the bottom of compression spring (41) and the bottom fixed connection of side mouth (4) inner chamber.