CN217268992U - Construction rail guard convenient to height-adjusting - Google Patents

Abstract

The utility model discloses a construction protective guard convenient for height adjustment, which comprises a base, wherein two sides of the upper end surface of the base are vertically fixed with sleeves, a first barrier net is fixed between the two sleeves, the two sleeves are both internally and rotatably connected with sleeves through bearings, the sleeves are internally connected with vertical rods matched with the sleeves, the top ends of the two vertical rods are fixed with crossbeams, the lower end surface of the crossbeam is vertically fixed with a second barrier net, one side opposite to the two sleeves is respectively provided with a vertical groove matched with the second barrier net, the side edge of the second barrier net extends into the vertical groove, a limiting mechanism is connected between the sleeves and the sleeve, the height adjustment of the second barrier net can be realized through the vertical rods and the sleeves, the limiting mechanism can fix the sleeves, so that the height of the adjusted second barrier net is fixed, and the operation is simple, the practicability is strong.

Description

Construction rail guard convenient to height-adjusting

Technical Field

The utility model relates to a rail guard technical field, specific be a construction rail guard convenient to height-adjusting.

Background

The building construction protective guard is used for improving the safety operation of workers and avoiding safety accidents on the building site, and has great effect and significance for improving the safety precaution consciousness of people.

Present rail guard for construction is mostly integrative structure, can't carry out corresponding regulation to it according to different constructors' height when using for rail guard in use has the limitation, consequently, the utility model provides a construction rail guard of height-adjusting of being convenient for.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect among the prior art, the embodiment of the utility model provides a construction rail guard convenient to height-adjusting to solve the problem that proposes among the above-mentioned background art.

The embodiment of the application discloses: the utility model provides a construction rail guard convenient to height-adjusting, includes the base, the vertical sleeve pipe that is fixed with in both sides of base up end, two be fixed with first block between the sleeve pipe, two all there is the sleeve through bearing rotatable coupling in the sleeve pipe, the sleeve in-connection has the montant of matcing with it, the global of montant is equipped with the helicla flute, telescopic inner wall is equipped with roll connection and is in ball in the helicla flute, the sleeve with be connected with stop gear, two between the sleeve pipe the top of montant is fixed with the crossbeam, the lower terminal surface of crossbeam is vertical to be fixed with the second block, two one side that the sleeve pipe is relative all be equipped with the perpendicular groove that the second block matches, the side of second block stretches into erect the inslot.

Preferably, the limiting mechanism comprises a shell connected between the two sleeves, the shell is flush with the sleeves, a cross rod is connected in the shell in a sliding manner through a sliding rail perpendicular to the length direction of the shell, limiting rods perpendicular to the cross rod are fixed at two ends of the cross rod, through holes for the limiting rods to extend into are arranged on the sleeves, a plurality of limiting holes are formed in the peripheral surface of each sleeve, the limiting rods extend into the limiting holes, a first spring is sleeved on each limiting rod, two ends of each first spring are respectively fixed on a pair of surfaces of the cross rod opposite to the corresponding sleeve, each first spring is always in a stretching state, a groove is formed in the front surface of the shell, a right-angle position of each L-shaped rod is rotatably connected in the groove through a pin shaft, the horizontal part of each L-shaped rod is parallel to the groove, and the groove is provided with an opening communicated with the interior of the shell, the vertical part of the L-shaped rod extends into the shell, the L-shaped rod is positioned below the cross rod, a boss is fixed on the upper end face of the end part of the vertical part of the L-shaped rod, and the peripheral surface of the boss abuts against the back face of the cross rod.

Preferably, both sides of the bottom of the second blocking net are fixed with T-shaped blocks, two ends of the horizontal part of each T-shaped block are sleeved with movable sleeves, second springs are connected in the movable sleeves, two ends of each second spring are fixed to the end parts of the horizontal parts of the T-shaped blocks and the inner sides of the movable sleeves respectively, the end parts of the movable sleeves are connected with rollers, and the rollers abut against the inner side surfaces of the vertical grooves.

Preferably, a rolling bearing is connected to the boss.

Preferably, a plurality of fixing holes are formed in the base.

The utility model has the advantages as follows: loosening the limiting mechanism, pulling the cross rod to drive the second blocking net to slide along the vertical direction, so that the height of the protective guard is adjusted, driving the vertical rod to slide along the vertical direction by the cross rod, driving the sleeve to rotate by the vertical rod, and after the adjustment is completed, fixing the sleeve by the limiting mechanism, so that the vertical rod is fixed, and the height of the protective guard is fixed.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

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 is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view illustrating a construction guard rail portion for facilitating height adjustment.

Fig. 2 is a schematic structural view of the limiting mechanism.

Fig. 3 is a schematic view of a second barrier structure.

Fig. 4 is a schematic view of a vertical rod structure.

Reference numerals of the above figures: 1. a base; 2. a sleeve; 3. a first barrier net; 4. a vertical rod; 5. a sleeve; 6. a cross beam; 7. a second barrier net; 8. a vertical slot; 9. a housing; 10. a cross bar; 11. a limiting rod; 12. a limiting hole; 13. a first spring; 14. a groove; 15. an L-shaped rod; 16. an opening; 17. a boss; 18. a T-shaped block; 19. a movable sleeve; 20. a second spring; 21. a roller; 22. a helical groove; 23. and a ball.

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.

Referring to fig. 1 to 4, a construction protective guard convenient for height adjustment comprises a base 1, wherein two sides of the upper end surface of the base 1 are vertically fixed with sleeves 2, a first blocking net 3 is fixed between the two sleeves 2, the two sleeves 2 are both connected with a sleeve 5 in a rotatable manner through a bearing, the sleeve 5 is connected with a vertical rod 4 matched with the sleeve 5, a spiral groove 22 is arranged on the circumferential surface of the vertical rod 4, balls 23 connected in the spiral groove in a rolling manner are arranged on the inner wall of the sleeve 5, a limiting mechanism is connected between the sleeve 5 and the sleeves 2, the top ends of the two vertical rods 4 are fixed with a cross beam 6, a second blocking net 7 is vertically fixed on the lower end surface of the cross beam 6, a vertical groove 8 matched with the second blocking net 7 is arranged on one side opposite to each of the two sleeves 2, the side edge of the second blocking net 7 extends into the vertical groove 8, and a limiting mechanism is connected between the sleeve 5 and the sleeves 2, when the height of the protective guard is required to be adjusted, the limiting mechanism is loosened, the transverse rod 10 is pulled to drive the second blocking net 7 to slide along the vertical direction, so that the height of the protective guard is adjusted, the transverse rod 10 drives the vertical rod 4 to slide along the vertical direction, the vertical rod 4 drives the spiral groove 22 to ascend, further the ball 23 is made to roll along the spiral groove 22, further the sleeve 5 is driven to rotate, after the adjustment is completed, the sleeve 5 is fixed through the limiting mechanism, further the vertical rod 4 is fixed, and therefore the height of the protective guard is fixed.

The limiting mechanism comprises a shell 9 connected between two sleeves 2, the shell 9 is parallel and level with the sleeves 5, a cross rod 10 is connected in the shell 9 in a sliding manner through a sliding rail perpendicular to the length direction of the shell, limiting rods 11 perpendicular to the cross rod are fixed at two ends of the cross rod 10, through holes for the limiting rods 11 to extend into are arranged on the sleeves 2, a plurality of limiting holes 12 are arranged on the circumferential surface of the sleeve 5, the limiting rods 11 extend into the limiting holes 12, a first spring 13 is sleeved on each limiting rod 11, two ends of each first spring 13 are respectively fixed on a pair of surfaces of the cross rod 10 opposite to the sleeves 2, each first spring 13 is in a stretching state all the time, a groove 14 is arranged on the front surface of the shell 9, a right-angle position of an L-shaped rod 15 is rotatably connected in the groove 14 through a pin shaft, and the horizontal part of the L-shaped rod 15 is parallel to the groove 14, the groove 14 is provided with an opening 16 communicated with the inside of the shell 9, a vertical part of the L-shaped rod 15 extends into the shell 9, the L-shaped rod 15 is positioned below the cross rod 10, a boss 17 is fixed on the upper end face of the end part of the vertical part of the L-shaped rod 15, the peripheral surface of the boss 17 is abutted to the back face of the cross rod 10, when the height of the second barrier net 7 needs to be adjusted, the horizontal part of the L-shaped rod 15 is pulled to rotate clockwise, the vertical part of the L-shaped rod 15 rotates clockwise, the cross rod 10 is pushed to slide towards one side far away from the sleeve 2 through the boss 17, the cross rod 10 drives the limiting rod 11 to slide out of the limiting hole 12, so that the height of the second barrier net 7 is convenient to adjust, after the adjustment is completed, the cross rod 10 resets under the elastic action of the first spring 13, and then drives the limiting rod 11 to reset, thereby securing the sleeve 5 and hence the second barrier net 7.

Both sides of second block 7 bottom all are fixed with T-shaped block 18, movable sleeve 19 has all been cup jointed at the both ends of T-shaped block 18 horizontal part, be connected with second spring 20 in the movable sleeve 19, the both ends of second spring 20 are fixed respectively the tip of T-shaped block 18 horizontal part with the movable sleeve 19 is inboard, the end connection of movable sleeve 19 has gyro wheel 21, gyro wheel 21 supports on the medial surface of erecting the groove 8, make second block 7 follow it is more firm to erect 8 slip times in the groove.

The boss 17 is connected with a rolling bearing, so that friction between the boss 17 and the cross rod 10 can be reduced, and the service life is prolonged.

The base 1 is provided with a plurality of fixing holes, so that the guard rail can be conveniently fixed on a base surface.

The embodiment of the application has the following beneficial effects: loosening the limiting mechanism, pulling the cross rod 10 to drive the second barrier net 7 to slide along the vertical direction, so as to adjust the height of the protective guard, driving the vertical rod 4 to slide along the vertical direction by the cross rod 10, driving the sleeve 5 to rotate by the vertical rod 4, and after the adjustment is completed, fixing the sleeve 5 by the limiting mechanism, so that the vertical rod 4 is fixed, and the height of the protective guard is fixed.

The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims (5)

1. The utility model provides a construction rail guard convenient to height-adjusting which characterized in that: the base is included, the vertical sleeve pipe that is fixed with in both sides of base up end, two be fixed with first block between the sleeve pipe, two all there is the sleeve through bearing rotatable coupling in the sleeve, the sleeve in-connection has the montant of matcing with it, the global of montant is equipped with the helicla flute, telescopic inner wall is equipped with roll connection and is in ball in the helicla flute, the sleeve with be connected with stop gear between the sleeve pipe, two the top of montant is fixed with the crossbeam, the lower terminal surface of crossbeam is vertical to be fixed with the second block, two one side that the sleeve pipe is relative all be equipped with the second blocks perpendicular groove that matches, the side of second block stretches into perpendicular inslot.

2. A construction guard rail convenient for adjusting height according to claim 1, wherein: the limiting mechanism comprises a shell connected between two sleeves, the shell is flush with the sleeves, a cross rod is connected in the shell in a sliding manner through a sliding rail perpendicular to the length direction of the shell, limiting rods perpendicular to the cross rod are fixed at two ends of the cross rod, through holes for the limiting rods to extend into are arranged on the sleeves, a plurality of limiting holes are formed in the circumferential surface of each sleeve, the limiting rods extend into the limiting holes, a first spring is sleeved on each limiting rod, two ends of each first spring are respectively fixed on a pair of surfaces of the cross rod opposite to the sleeves, each first spring is always in a stretching state, a groove is formed in the front surface of the shell, a right-angle part of each L-shaped rod is rotatably connected in the groove through a pin shaft, the horizontal part of each L-shaped rod is parallel to the groove, and the groove is provided with an opening communicated with the shell, the vertical part of the L-shaped rod extends into the shell, the L-shaped rod is positioned below the cross rod, a boss is fixed on the upper end face of the end part of the vertical part of the L-shaped rod, and the peripheral surface of the boss abuts against the back face of the cross rod.

3. The construction guard rail convenient for adjusting the height as claimed in claim 1, wherein: the two sides of the bottom of the second blocking net are both fixed with T-shaped blocks, two ends of the horizontal part of the T-shaped blocks are both sleeved with movable sleeves, second springs are connected in the movable sleeves, two ends of each second spring are respectively fixed at the end parts of the horizontal part of the T-shaped blocks and the inner sides of the movable sleeves, the end parts of the movable sleeves are connected with rollers, and the rollers abut against the inner side surfaces of the vertical grooves.

4. The construction guard rail convenient for adjusting the height as claimed in claim 2, wherein: and the boss is connected with a rolling bearing.

5. A construction guard rail convenient for adjusting height according to claim 1, wherein: a plurality of fixing holes are formed in the base.

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