CN215978789U - Municipal administration rail guard - Google Patents

Abstract

The utility model relates to a municipal administration rail guard, including mutual articulated railing, the spout has been seted up to the upper surface of railing, and the spout is seted up along the length direction of railing, and sliding connection has the slider in the spout, is equipped with the regulation pole between two railings, adjusts the perpendicular fixedly connected with axis of rotation in both ends of pole, and the axis of rotation rotates with the upper surface vertical of slider to be connected, is equipped with spacing subassembly on the slider. This application has the convenience and adjusts the guardrail, improves the effect of the precision of guardrail angle modulation.

Description

Municipal administration rail guard

Technical Field

The application relates to the field of rail guards, in particular to a municipal rail guard.

Background

Municipal road generally adopts yellow rail frame or rail cloth to protect when the maintenance, and then separates the direction to pedestrian and traffic, guarantees the security of road construction.

The chinese patent that the grant publication number is CN211572887U can be referred to the correlation technique, and it discloses a town road guardrail, including the central drum subassembly that is used for the reposition of redundant personnel, central drum subassembly bilateral symmetry sets up two guardrails of rotation connection, and two guardrail upper ends are fixed through connecting the cardboard, and the guardrail includes two rectangular poles that the downside set up, and the upper surface linear equipartition of upside rectangular pole has opened second circular through-hole, connects the cardboard and includes middle connecting rod, and connecting rod both ends downside all is fixed with the second cylinder of pegging graft complex with second circular through-hole.

To the correlation technique among the aforesaid, the inventor thinks above-mentioned town road guardrail in the use, carries on spacingly through connecting the cardboard to the guardrail, because the rigidity of second round through hole, the rotation angle of consequently two guardrails is comparatively fixed, and the angle modulation precision of two guardrails is lower.

SUMMERY OF THE UTILITY MODEL

In order to adjust the guardrail in convenience, improve the precision that guardrail angle was adjusted, this application provides a municipal rail guard.

The application provides a municipal rail guard adopts following technical scheme:

the utility model provides a municipal administration rail guard, includes mutual articulated railing, the spout has been seted up to the upper surface of railing, the spout is seted up along the length direction of railing, sliding connection has the slider in the spout, two be equipped with the regulation pole between the railing, the perpendicular fixedly connected with axis of rotation in both ends of adjusting the pole, the axis of rotation rotates with the upper surface of slider perpendicularly and is connected, be equipped with spacing subassembly on the slider.

Through adopting above-mentioned technical scheme, the user stimulates two railings and then adjusts the angle between two railings, and the slider slides in the spout this moment, and the axis of rotation rotates simultaneously, and after the angular adjustment of railing was accomplished, the user carries on spacingly with the slider through spacing subassembly, and then makes the regulating lever carry on spacingly to two railings to the convenient angle to between the guardrail is adjusted, improves the precision of guardrail angle modulation.

Optionally, the sliding block is in threaded connection with a limiting rod, and the limiting rod can be abutted against the bottom surface of the sliding groove.

Through adopting above-mentioned technical scheme, the user can rotate the gag lever post and make the gag lever post contradict with the bottom surface of spout, and then increases frictional force, guarantees the stability of slider to carry on spacingly, it is comparatively convenient to operate.

Optionally, the gag lever post includes threaded rod and slide bar, threaded rod and slider threaded connection, the threaded rod is kept away from one side coaxial seting up of spout and is erected the groove, erect the inner wall in groove and set up the first spacing groove parallel with erecting the groove, erect the inner wall in groove and set up the second spacing groove, the second spacing groove communicates with first spacing groove is perpendicular, the second spacing groove is located the one end that first spacing groove is close to the spout, the slide bar is inserted and is located and erects the groove, the lateral wall fixedly connected with stopper of slide bar, the stopper can slide in first spacing groove and second spacing groove, when the stopper is located the second spacing groove, the height on slide bar top is less than the height of slider upper surface.

Through adopting above-mentioned technical scheme, the slide bar rotates in erecting the groove and then makes the stopper slide to first spacing groove from the second spacing groove, then the slide bar slides in erecting the groove, make the slide bar stretch out and erect the groove, the stopper is located first spacing groove this moment, the slide bar rotates this moment and drives the threaded rod and rotate, and then the realization is spacing to the slider, after spacing completion, the stopper slides again to the second spacing groove, and then accomodate the slide bar and hide, reduce the possibility of maloperation.

Optionally, a circular groove coaxial with the threaded rod is formed in the upper surface of the sliding block, a circular plate is fixedly connected to one end, away from the threaded rod, of the sliding rod, and when the sliding rod is completely inserted into the vertical groove, the circular plate is completely inserted into the circular groove.

Through adopting above-mentioned technical scheme, the user can drive the slide bar through rotating the plectane and rotate, and it is comparatively convenient to operate, and the circular slot can be accomodate the plectane simultaneously and hide, further reduces the possibility of maloperation.

Optionally, the side wall of the circular plate is fixedly connected with a connecting block, the side wall of the circular groove is provided with a connecting groove, and the connecting block can be inserted into the connecting groove.

Through adopting above-mentioned technical scheme, the connecting block can the person of facilitating the use rotate the plectane, and the spread groove can be accomodate convenient operation to the connecting block simultaneously.

Optionally, a return spring is arranged between the threaded rod and the sliding rod, and when the return spring is in a natural state, the circular plate protrudes out of the circular groove.

Through adopting above-mentioned technical scheme, reset spring can promote the slide bar, and then makes the plectane protrusion circular slot, is convenient for rotate plectane, convenient operation.

Optionally, the adjusting rod comprises a cylinder and a round rod which are coaxially and threadedly connected, a rotating block is coaxially and rotatably connected to one side of the cylinder, which is away from the round rod, and the rotating block is fixedly connected with the rotating shaft.

Through adopting above-mentioned technical scheme, the user can rotate drum and round bar, and then makes drum and round bar all take place relative rotation with the turning block, and then can adjust the length of regulating lever, and then makes the space between two railings can obtain effectual utilization.

Optionally, the upper surface of the cylinder is slidably connected with an elastic bump, the sliding direction of the bump is perpendicular to the axis of the cylinder, the round rod is coaxially and slidably connected with a sleeve, and the sleeve is provided with a limiting hole matched with the bump.

Through adopting above-mentioned technical scheme, the lug can insert and establish spacing hole in carrying on spacingly to the sleeve pipe, and then make the sleeve pipe shelter from spacingly to drum and round bar, reduces the possibility that round bar and drum were by the maloperation, guarantees the stability of position between two railings.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the sliding groove, the sliding block, the adjusting rod and the limiting assembly, in the process of adjusting the angle between the two railings, the sliding block slides in the sliding groove, the limiting assembly limits the sliding block, the adjusting rod limits the two railings, the angle between the guardrails can be conveniently adjusted while the stability of the angle adjustment between the two railings is ensured, and the precision of angle adjustment of the guardrails is improved;

2. through the arrangement of the threaded rod, the sliding rod and the circular plate, the sliding block can be limited, and meanwhile the sliding rod and the circular plate can be stored and hidden, so that the possibility of misoperation of the threaded rod is reduced, and the limiting stability is ensured;

3. through the setting of drum, round bar, sleeve pipe and lug, drum and round bar rotate the length that can adjust the regulation pole, and the lug can carry on spacingly to the sleeve pipe, and then the sleeve pipe can carry out spacing sheltering from to drum and round bar, reduces the possibility of round bar and drum maloperation, guarantees the stability of adjusting the pole.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is an exploded view of the slider and the stop bar in the embodiment of the present application;

FIG. 3 is a schematic diagram of an explosive structure highlighting a spin hole in an embodiment of the present application;

FIG. 4 is a schematic diagram of an exploded structure of a highlighted bar in an embodiment of the present application;

fig. 5 is an enlarged schematic view of a portion a of fig. 3.

Description of reference numerals: 10. a column; 101. a cross bar; 102. a vertical rod; 1. a railing; 11. a vertical plate; 111. a circular tube; 12. a transverse plate; 13. a reinforcing bar; 14. a base; 15. a chute; 2. adjusting a rod; 21. a cylinder; 211. a sliding groove; 22. a round bar; 221. a long groove; 23. a rotating shaft; 24. rotating the block; 241. rotating the hole; 3. a slider; 31. rotating the hole; 32. a threaded hole; 33. a circular groove; 4. a limiting rod; 41. a threaded rod; 411. a vertical slot; 4111. a first limit groove; 4112. a second limit groove; 4113. a return spring; 42. a slide bar; 421. a limiting block; 422. a circular plate; 4221. connecting blocks; 5. connecting grooves; 51. a first fixing groove; 52. a second fixing groove; 6. a bump; 61. a bar-shaped rod; 62. a limiting spring; 7. a sleeve; 71. a long bar block; 72. and a limiting hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses municipal rail guard. Referring to fig. 1, the municipal guardrail comprises two railings 1 hinged to each other, wherein a vertical column 10 is arranged in the middle of one end of each of the two railings 1 close to each other, and the railings 1 are rotatably connected with the vertical columns 10. In the process of laying the railing 1, a user can rotate the railing 1 to further adjust the angle between the two railings 1, so that the railing 1 can be conveniently connected.

Referring to fig. 1, two sides of the upright 10, which are away from each other, are fixedly connected with a cross bar 101, and the cross bar 101 is perpendicular to the upright 10. One end of the cross rod 101 far away from the upright post 10 is vertically and fixedly connected with a vertical rod 102, one side of the two railings 1 close to each other is fixedly connected with a circular tube 111, and the vertical rod 102 is rotatably connected in the circular tube 111. In the process of adjusting the angle of the handrail 1, the round tube 111 rotates around the vertical rod 102, so that the angle of the handrail 1 is adjusted.

Referring to fig. 1, the balustrade 1 includes two mutually parallel transverse plates 12 and two mutually parallel vertical plates 11, the transverse plates 12 are horizontally disposed, and the length of the transverse plates 12 is greater than that of the vertical plates 11. Two risers 11 are located the both ends of diaphragm 12 respectively, and two diaphragms 12 are located between two risers 11, and diaphragm 12 and the perpendicular fixed connection of riser 11 simultaneously, horizontal pole 101 and the riser 11 fixed connection that is close to stand 10.

Referring to fig. 1, a plurality of reinforcing rods 13 are uniformly distributed between two vertical plates 11, and the reinforcing rods 13 are vertically and fixedly connected with a transverse plate 12. The reinforcing rods 13 can support two risers 11, ensuring stability between the two cross bars 101. Meanwhile, the lower surface of the stand column 10 and the lower surface of the vertical plate 11 far away from the stand column 10 are fixedly connected with the base 14, and the base 14 can support the stand column 10 and the railing 1, so that the stability of the railing 1 is guaranteed.

Referring to fig. 1, being equipped with between two diaphragm 12 of keeping away from base 14 and adjusting pole 2, adjusting pole 2 can support two diaphragm 12, and then supports two railing 1, guarantees the stability of angle modulation between two railing 1.

Referring to fig. 1 and 2, a sliding groove 15 is formed in an upper surface of the transverse plate 12 away from the base 14, the sliding groove 15 is formed along a length direction of the transverse plate 12, and the sliding block 3 is slidably connected in the sliding groove 15. The two ends of the adjusting rod 2 are fixedly connected with rotating shafts 23, and the rotating shafts 23 are perpendicular to the adjusting rod 2. The sliding groove 15 is a T-shaped groove, the sliding block 3 is a T-shaped block, a rotating hole 31 is formed in the upper surface of the sliding block 3, and the rotating shaft 23 is rotatably connected to the rotating hole 31. In the process of adjusting the angles of the two railings 1, the sliding block 3 slides in the sliding groove 15 and the rotating shaft 23 rotates in the rotating hole 31 because the length of the adjusting rod 2 is unchanged.

Referring to fig. 1 and 2, be equipped with spacing subassembly on the slider 3, spacing subassembly can carry on spacingly to slider 3, and then carry on spacingly to adjusting lever 2 to guarantee to adjust the stability that lever 2 supported two railing 1, and then guarantee the stability of angle between two railing 1.

Referring to fig. 1 and 2, a threaded hole 32 parallel to the rotation hole 31 is formed in the upper surface of the slider 3, and the threaded hole 32 penetrates through the slider 3. The limiting assembly comprises a limiting rod 4 in threaded connection with the threaded hole 32, and the limiting rod 4 can protrude out of the upper surface of the sliding block 3. The user makes gag lever post 4 remove to the direction that is close to spout 15 bottom surfaces through rotating gag lever post 4, finally makes gag lever post 4 contradict with spout 15's bottom surface, along with the tightening of gag lever post 4, the pressure increase between gag lever post 4 and the spout 15, and then can increase the frictional force between gag lever post 4 and the spout 15, and then guarantees the stability of slider 3 position.

Referring to fig. 1 and 2, the stopper rod 4 includes a coaxial threaded rod 41 and a sliding rod 42, the threaded rod 41 is threadedly coupled in the threaded hole 32, and the length of the threaded rod 41 is smaller than that of the threaded hole 32. One end of the threaded rod 41, which is far away from the sliding groove 15, is coaxially provided with a vertical groove 411, the vertical groove 411 and the sliding rod 42 are both cylindrical, the diameter of the sliding rod 42 is equal to that of the vertical groove 411, and the sliding rod 42 is inserted in the vertical groove 411.

Referring to fig. 1 and 2, a first limiting groove 4111 is formed in an inner wall of the vertical groove 411, and a forming direction of the first limiting groove 4111 is the same as a forming direction of the vertical groove 411. The inner wall of the vertical slot 411 is provided with a second limiting groove 4112, the second limiting groove 4112 is arranged along the circumferential direction of the vertical slot 411, and the second limiting groove 4112 is located at one end, close to the sliding groove 15, of the vertical slot 411 and is vertically communicated with the vertical slot 411.

Referring to fig. 1 and 2, a limit block 421 is fixedly connected to a side wall of one end of the sliding rod 42 close to the bottom surface of the sliding slot 15, and the limit block 421 can slide in the first limit groove 4111 and the second limit groove 4112. When the threaded rod 41 needs to be rotated, the user rotates the slide bar 42 to make the limit block 421 slide to the first limit groove 4111 from the end of the second limit groove 4112 away from the first limit groove 4111, then the slide bar 42 slides in the direction away from the sliding groove 15 in the vertical groove 411, and then the limit block 421 moves to the other end from the end of the first limit groove 4111 close to the second limit groove 4112, at this moment, the user can rotate the slide bar 42 and then drive the threaded rod 41 to rotate, and then limit the sliding block 3.

Referring to fig. 2, a return spring 4113 is fixedly connected to the vertical slot 411, one end of the return spring 4113 is fixedly connected to the bottom end of the vertical slot 411, and the other end of the return spring abuts against one end of the sliding rod 42 close to the sliding slot 15. When the limiting block 421 is located in the second limiting groove 4112, the limiting spring 62 is in a compressed state, and when the limiting block 421 moves into the first limiting groove 4111, the return spring 4113 can push the sliding rod 42 to slide in a direction away from the sliding groove 15, so that the sliding rod 42 protrudes out of the upper surface of the sliding block 3.

Referring to fig. 1 and 2, the length of the sliding rod 42 is smaller than that of the threaded hole 32, and when the limit block 421 is located in the second limit groove 4112, the sliding rod 42 can be completely received in the threaded hole 32. After the threaded rod 41 is limited to the slider 3, the user presses the sliding rod 42 to enable the slider 3 to be close to the sliding groove 15, then the sliding rod 42 is rotated to enable the limiting block 421 to slide into the second limiting groove 4112 again, and then the sliding rod 42 can be hidden, so that the possibility that the sliding rod 42 is operated by mistake is reduced, the position stability of the slider 3 is guaranteed, and the stability of guardrail angle adjustment is guaranteed.

Referring to fig. 1 and 2, a circular groove 33 is formed on the upper surface of the slider 3, and the circular groove 33 is coaxial with the threaded hole 32. A circular plate 422 is coaxially and fixedly connected to one end of the sliding rod 42 away from the sliding slot 15, and the shape and size of the circular plate 422 are completely the same as those of the circular slot 33. When the stopper 421 is located in the second stopper groove 4112, the circular plate 422 is inserted into the circular groove 33, and the upper surface of the circular plate 422 and the upper surface of the slider 3 are at the same horizontal plane. When the sliding rod 42 protrudes out of the upper surface of the sliding block 3, the circular plate 422 is separated from the circular groove 33, and a user can rotate the circular plate 422 to drive the sliding rod 42 to rotate, so that the sliding rod 42 can rotate conveniently.

Referring to fig. 2, a connecting groove 5 is formed in a side wall of the circular groove 33, the connecting groove 5 includes a first fixing groove 51 and a second fixing groove 52, an opening direction of the first fixing groove 51 is the same as an opening direction of the circular groove 33, and the second fixing groove 52 is formed along a circumferential direction of the circular groove 33. The second fixing groove 52 is located on a side of the circular groove 33 adjacent to the screw hole 32, and vertically communicates with the first fixing groove 51.

Referring to fig. 2, a connection block 4221 is fixedly connected to a side wall of the circular plate 422, and the connection block 4221 is slidable in the first and second fixing grooves 51 and 52. Stopper 421 is in first spacing groove 4111 to the gliding while of second spacing groove 4112's direction, and connecting block 4221 inserts gradually and establishes in first fixed slot 51 and slides in first fixed slot 51, and the user makes connecting block 4221 slide to second fixed slot 52 from first fixed slot 51 when rotating plectane 422, and stopper 421 slides to second spacing groove 4112 this moment, and connecting block 4221 can further carry on spacingly to plectane 422, and connecting block 4221 can make things convenient for the atress simultaneously, and convenience of customers rotates plectane 422.

Referring to fig. 1 and 3, the adjusting rod 2 includes a cylinder 21 and a round rod 22 coaxially screwed, and a rotating block 24 is coaxially and rotatably connected to a side of the round rod 22 and the cylinder 21, which are away from each other, and a rotating shaft 23 is fixedly connected to the rotating block 24. In the process of adjusting the angle of the two handrails 1, the user can rotate the cylinder 21 and the round bar 22 to adjust the length of the adjusting rod 2, so that the space between the two handrails 1 and the adjusting rod 2 can be adjusted, and the space between the two handrails 1 can be fully utilized.

Referring to fig. 1 and 3, an inner wall of the cylinder 21 near one end of the rod 22 is provided with an internal thread, an end of the rod 22 near the cylinder 21 is provided with an external thread, and the diameter of the rod 22 is equal to the inner diameter of the cylinder 21, and the rod 22 is screwed into the cylinder 21. The rotating blocks 24 are cylindrical, one rotating block 24 is rotatably connected to one end, far away from the round rod 22, of the cylinder 21, a rotating hole 241 is coaxially formed in the other rotating block 24, the diameter of the rotating hole 241 is equal to that of the round rod 22, and the round rod 22 is rotatably connected to the rotating hole 241. The rotating shaft 23 is fixedly connected with the side wall of the rotating block 24, and the axis of the rotating shaft 23 is perpendicular to the axis of the rotating block 24.

Referring to fig. 3, when the user rotates the cylinder 21, the cylinder 21 rotates around one rotating block 24, and simultaneously, the round bar 22 rotates in the rotating hole 241 in the opposite direction, so that the distance between the round bar 22 and the cylinder 21 is increased or decreased, and the adjustment lever 2 is contracted or extended.

Referring to fig. 1 and 4, a sliding groove 211 is formed on the upper surface of the cylinder 21, and an axis of the sliding groove 211 is perpendicular to an axis of the cylinder 21. The sliding groove 211 is slidably connected with a flexible projection 6, and the projection 6 can protrude out of the side wall of the cylinder 21. A sleeve 7 is coaxially and slidably connected to the round rod 22, and the inner diameter of the sleeve 7 is equal to the outer diameter of the cylinder 21. The side wall of round bar 22 has seted up rectangular groove 221, and rectangular groove 221 is seted up along the length direction of round bar 22, and the inner wall fixedly connected with rectangular piece 71 of sleeve pipe 7, and rectangular piece 71 is parallel with rectangular groove 221 and rectangular piece 71 sliding connection is in rectangular groove 221.

Referring to fig. 1 and 5, a limit hole 72 is formed in a side wall of one end of the sleeve 7 close to the cylinder 21, a user presses the bump 6 to enable the test block to be inserted into the sliding groove 211, then pulls the sleeve 7 to enable the strip block 71 to slide in the strip groove 221, and further enables the cylinder 21 to be inserted into the sleeve 7, after the limit block 421 aligns with the sliding groove 211, the bump bounces and is inserted into the limit hole 72, so as to shield a joint of the cylinder 21 and the round rod 22, the strip block 71 and the strip groove 221 can reduce the possibility that the sleeve 7 and the round rod 22 rotate, the bump 6 and the limit hole 72 can reduce the possibility that the cylinder 21 and the sleeve 7 rotate, further reduce the possibility that the round rod 22 and the round tube 111 rotate due to misoperation, and further guarantee the stability of angle adjustment of the handrail 1.

Referring to fig. 1 and 5, the protrusion 6 includes a bar-shaped rod 61 and a limit spring 62, the limit spring 62 is located in the sliding groove 211, the bar-shaped rod 61 is slidably connected in the sliding groove 211, and one end of the limit spring 62 is fixedly connected with the bottom surface of the sliding groove 211, and the other end is fixedly connected with the end of the bar-shaped rod 61. The user presses the bar 61 and makes the bar 61 insert completely and establish the groove 211 that slides, and spacing spring 62 is compressed this moment, and after the groove 211 that slides aligns with stopper 421, spacing spring 62 promotes the bar 61 partly protrusion groove 211 that slides and inserts and establish spacing hole 72, and then spacing, guarantees the stability that sleeve pipe 7 and drum 21 are connected.

The implementation principle of a municipal rail guard of the embodiment of the application is as follows: the user promotes railing 1 and adjusts the angle between two railings 1, rotate round bar 22 and drum 21 simultaneously, adjust the length of adjusting pole 2, after the length adjustment of adjusting pole 2 is accomplished, the user stimulates sleeve pipe 7 to make the arch insert and establish in spacing hole 72, it is spacing to rotate simultaneously plectane 422 and make threaded rod 41 spacing to slider 3, after spacing completion, the user presses plectane 422 and makes plectane 422 insert and establish in circular slot 33, then rotate plectane 422 and make plectane 421 slide to the spacing groove of second 4112, and then hide plectane 422.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a municipal administration rail guard which characterized in that: including mutual articulated railing (1), spout (15) have been seted up to the upper surface of railing (1), the length direction of railing (1) is seted up in spout (15), sliding connection has slider (3) in spout (15), two be equipped with between railing (1) and adjust pole (2), the perpendicular fixedly connected with axis of rotation (23) in both ends of adjusting pole (2), axis of rotation (23) rotate with the upper surface of slider (3) and are connected, be equipped with spacing subassembly on slider (3).

2. The municipal guard rail of claim 1, wherein: the limiting assembly comprises a limiting rod (4) in threaded connection with the sliding block (3), and the limiting rod (4) can be abutted to the bottom surface of the sliding groove (15).

3. The municipal guard rail of claim 2, wherein: the gag lever post (4) includes threaded rod (41) and slide bar (42), threaded rod (41) and slider (3) threaded connection, one side coaxial vertical groove (411) of having seted up of spout (15) is kept away from in threaded rod (41), the first spacing groove (4111) parallel with vertical groove (411) is seted up to the inner wall of vertical groove (411), second spacing groove (4112) has been seted up to the inner wall of vertical groove (411), second spacing groove (4112) communicates with first spacing groove (4111) is perpendicular, second spacing groove (4112) is located the one end that first spacing groove (4111) is close to spout (15), slide bar (42) are inserted and are located vertical groove (411), the lateral wall fixedly connected with stopper (421) of slide bar (42), stopper (421) can slide in first spacing groove (4111) and second spacing groove (4112), when stopper (421) are located second spacing groove (4112), the height of the top end of the sliding rod (42) is smaller than that of the upper surface of the sliding block (3).

4. The municipal guard rail of claim 3, wherein: the upper surface of slider (3) is seted up circular slot (33) coaxial with threaded rod (41), the coaxial fixedly connected with plectane (422) of one end that threaded rod (41) were kept away from in slide bar (42), when slide bar (42) were inserted completely and are located perpendicular groove (411), plectane (422) were inserted completely and are located in circular slot (33).

5. The municipal guard rail of claim 4, wherein: the side wall of the circular plate (422) is fixedly connected with a connecting block (4221), the side wall of the circular groove (33) is provided with a connecting groove (5), and the connecting block (4221) can be inserted into the connecting groove (5).

6. The municipal guard rail of claim 3, wherein: be equipped with reset spring (4113) between threaded rod (41) and slide bar (42), when reset spring (4113) is in the natural state, circular slab (422) protrusion circular slot (33).

7. The municipal guard rail of claim 1, wherein: the adjusting rod (2) comprises a cylinder (21) and a round rod (22) which are connected through coaxial threads, a rotating block (24) is connected to one side, away from each other, of the cylinder (21) and the round rod (22) in a coaxial rotating mode, and the rotating block (24) is fixedly connected with a rotating shaft (23).

8. The municipal guard rail of claim 7, wherein: the upper surface sliding connection of drum (21) is elastic lug (6), the slip direction of lug (6) is perpendicular with the axis of drum (21), coaxial sliding connection has sleeve pipe (7) on round bar (22), spacing hole (72) with lug (6) adaptation are seted up to sleeve pipe (7).

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