Elastic base

Abstract

The utility model provides an elastic base, and belongs to the technical field of traffic warning equipment. Comprising a base, a limiting groove is formed in the upper end of the base, a lower cross-shaped through groove is formed in the limiting groove, a straight rod is fixed to the groove wall of the lower cross-shaped through groove, a connecting sleeve is arranged above the base, a limiting protrusion is arranged at the bottom of the connecting sleeve, an upper cross-shaped through groove is formed in the bottom of the limiting protrusion, and the upper cross-shaped through groove communicates with the interior of the connecting sleeve; a metal chain is arranged in the connecting sleeve in a penetrating mode, one end of the metal chain is connected to the straight rod in a sleeving mode, a screw located in the connecting sleeve is hinged and fixed to a chain link at the other end of the metal chain, the screw is sleeved with a gasket for adjusting and limiting through a nut, and a reset spring with the two ends abutting against the bottom of the gasket and the inner wall of the limiting protrusion correspondingly is arranged in the connecting sleeve. The reset spring pushes the bottom of the connecting sleeve to abut against the upper end face of the limiting groove. The utility model has the advantages of high structural strength, long service life and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of traffic warning equipment, in particular to an elastic base. Background Art

[0002] Warning columns or warning signs are a type of road facility that is collision-resistant and has good elasticity. They are used to separate roads, buildings, and parking spaces, and serve as a warning to moving motor vehicles.

[0003] Usually, when a warning column or warning sign tilts due to impact, its bottom will be twisted with the base, which mainly uses the rubber material of the joint. However, with long-term use, the rubber material will age, and the tilted column will be difficult to maintain a good upright state, and the joint will be easily damaged, resulting in a short service life. Summary of the invention

[0004] The utility model aims to provide an elastic base, the connection of which adopts a spring and a chain to enhance the structural strength of the connection, thereby ensuring the connection strength of the warning device and ensuring long-term use.

[0005] The purpose of the utility model is achieved in this way:

[0006] The top of the base is provided with a limit groove which is concave downwardly, and a lower cross groove extending downwardly is provided in the limit groove, and a straight rod is fixed on the groove wall of the lower cross groove, and a connecting sleeve is provided above the base, and a limiting protrusion which is adapted to the limiting groove is provided at the bottom of the connecting sleeve, and an upper cross groove with the same structure as the lower cross groove is provided at the bottom of the limiting protrusion, and the upper cross groove is connected with the connecting sleeve, a metal chain is passed through the connecting sleeve, and the chain links at one end of the metal chain pass through the upper cross groove and the lower cross groove in sequence and are sleeved on the straight rod, a screw rod located in the connecting sleeve is hingedly fixed on the chain link at the other end of the metal chain, a washer which is sleeved on the screw for adjusting the limit by a nut, and a reset spring whose two ends respectively abut against the bottom of the washer and the inner wall of the limiting protrusion, and the reset spring pushes the bottom of the connecting sleeve to abut against the upper end surface of the limiting groove.

[0007] The utility model is further configured such that the base includes a detachably connected base plate and a base, the base is fixed to the upper surface of the base plate by bolts, the limit groove is opened at the top of the base, and the side wall of the base is opened with an installation through hole, and the straight rod is inserted into the installation through hole.

[0008] The present utility model is further configured such that a limiting notch is provided at the notch of the limiting groove, and a limiting lug corresponding to the limiting notch is provided on the outer edge of the limiting protrusion. When the limiting lug is inserted into the limiting notch, the lower cross-shaped through groove and the upper cross-shaped through groove are vertically corresponding.

[0009] The present utility model is further configured such that screw holes for fixedly installing with the installation surface are provided on the substrate.

[0010] The present utility model is further configured such that the outer edge of the washer extends downward to form a side edge for abutting against the end of the return spring.

[0011] The present utility model is further configured such that a limiting convex ring is provided on the outer edge of the connecting sleeve.

[0012] The prominent and beneficial technical effects of the present utility model compared with the prior art are as follows:

[0013] 1. For the elastic base provided by the present utility model, the elastic force of the return spring is used to abut the connecting sleeve against the base, and during the process of box transformation, the return spring is compressed, causing the metal chain to be pulled out and tilted. Moreover, the connecting sleeve will not deform. When the return spring restores its elastic force, the connecting sleeve automatically resets. The overall structure is simple, ensuring the connection strength and having a longer service life.

[0014] 2. The base further provided by the present utility model is in a detachable manner, which facilitates the replacement of the base and the installation of the straight rod.

[0015] 3. The further setting of the present utility model can have corresponding limiting notches and limiting lugs, which can correspond the upper and lower cross-shaped through grooves, enabling the chain to continuously slide along the through grooves during installation or pulling.

[0016] 4. By providing installation screw holes on the substrate, the present utility model can facilitate the installation of the base on the installation surface or other ground.

[0017] 5. By forming a side edge on the outer edge of the washer, the present utility model can facilitate the fixation of the end of the return spring and prevent the spring from slipping out from the outer edge of the washer.

[0018] 6. By providing a limiting convex ring on the outer edge of the connecting sleeve, the present utility model can facilitate the socket installation of warning objects such as warning posts or warning signs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the present utility model;

[0020] Figure 2 is a schematic structural diagram of the present utility model when the base is connected to the metal chain;

[0021] Figure 3 It is a structural schematic diagram of the connecting sleeve of the utility model;

[0022] Figure 4 It is a cross-sectional schematic diagram of the interior of the connecting sleeve of the utility model;

[0023] Reference numerals:

[0024] 1-base; 10-limiting groove; 100-lower cross groove; 101-limiting notch; 11-base plate; 12-base; 120-mounting through hole; 121-mounting screw hole;

[0025] 2- Straight rod;

[0026] 3-connecting sleeve; 30-limiting protrusion; 300-upper cross groove; 301-limiting protrusion; 31-limiting protrusion ring

[0027] 4-metal chain; 40-screw rod; 41-nut; 42-washer.

[0028] 5-Return spring; DETAILED DESCRIPTION

[0029] The present invention will be further described below with reference to the accompanying drawings. Figure 1 — Figure 4 :

[0030] An elastic base includes a base 1 for fixing to a mounting surface, a downwardly recessed limit groove 10 is provided at the upper end of the base 1, a downwardly extending lower cross groove 100 is provided in the limit groove 10, a straight rod 2 is fixed on the groove wall of the lower cross groove 100, a connecting sleeve 3 is provided above the base 1, a limiting protrusion 30 adapted to the limiting groove 10 is provided at the bottom of the connecting sleeve 3, an upper cross groove 300 having the same structure as the lower cross groove 100 is provided at the bottom of the limiting protrusion 30, and the upper cross groove 300 is connected to the inner wall of the connecting sleeve 3. The two connecting sleeves are connected, and a metal chain 4 is passed through the connecting sleeve 3, and the chain links at one end of the metal chain 4 pass through the upper cross groove 300 and the lower cross groove 100 in sequence and are sleeved on the straight rod 2. A screw rod 40 located in the connecting sleeve 3 is hingedly fixed on the chain link at the other end of the metal chain 4, and a washer 42 is sleeved on the screw rod 40 for adjusting the limit position through a nut 41. A reset spring 5 is provided in the connecting sleeve 3, and its two ends respectively abut against the bottom of the washer 42 and the inner wall of the limiting protrusion 30, and the reset spring 5 pushes the bottom of the connecting sleeve 3 to abut against the upper end surface of the limiting groove 10.

[0031] The specific installation method is that the straight rod inside the base fixes the end of the metal chain 4, and the other end thereof passes through the lower cross slot 100 and the upper cross slot 300, and finally this end enters the connecting sleeve 3. This end is hinged with a screw rod 40, and a washer can slide along the screw rod through a nut. However, before installing the washer, a return spring is sleeved on the screw rod and arranged inside the connecting sleeve, and then the washer is installed and fastened by the nut. The adjustment of the nut can control the locking degree of the return spring.

[0032] In terms of use, when warning signs such as warning posts or warning signs are set on the connecting sleeve and a collision occurs, causing it to tilt, the bottom of the connecting sleeve rotates to a certain extent along the limiting slot. During the rotation process, the metal chain is pulled by the bottom, and at the same time, overcoming the elastic force of the return spring, the metal chain can appropriately extend from the upper cross slot, thus producing a tilted effect. After the impact, the return spring restores its elastic force and tightens the metal chain again, causing the connecting sleeve to abut above the base and maintain a vertical state. This method mainly relies on the elastic force of the return spring. When the connecting sleeve is impacted, it will not deform, ensuring the structural strength of this connection part and making the service life longer.

[0033] Preferably, the base 1 includes a detachable connection substrate 11 and a base 12. The base 12 is fixed on the upper surface of the substrate 11 by bolts. The limiting slot 10 is opened at the top of the base 12, and an installation through hole 120 is opened on the side wall of the base 12. The straight rod 2 is inserted through the installation through hole 120.

[0034] Fixing one end of the metal chain on the base 1 is achieved as follows: insert one end of the metal chain into the limiting slot 10, then fix this end through the installation through hole with the straight rod 2, and finally fix the base on the substrate 12 by bolts to complete the installation.

[0035] Preferably, a limiting notch 101 is opened at the notch of the limiting slot 10, and a limiting convex block 301 corresponding to the limiting notch 101 is opened on the outer edge of the limiting protrusion 30. When the limiting convex block 301 is embedded in the limiting notch 101, the lower cross slot 100 and the upper cross slot 300 are vertically corresponding.

[0036] It is worth mentioning that the metal chain is of an iron chain structure. It can pass through the cross-shaped slot. During the abutting process of the limiting slot and the limiting protrusion, the upper and lower cross slots need to be aligned to enable the metal chain to slide along the upper cross slot and achieve the impact tilting effect. The method of using the limiting notch 101 and the limiting convex block 301 has a simple structure and is convenient for calibration.

[0037] Preferably, screw holes 121 for fixedly installing with the installation surface are opened on the substrate 12. It is used for fixing with the installation surface, and the installation surface can be the ground.

[0038] Preferably, the outer edge of the washer 43 extends downward to form a side edge for abutting against the end of the return spring 5. The side edge of the washer 43 can abut against the end of the return spring to ensure that the end will not fall off.

[0039] Preferably, a limiting convex ring 31 is provided on the outer edge of the connecting sleeve 3. The limiting convex ring 31 facilitates the sleeving of warning posts or warning signs, and the limiting convex ring 31 plays an effect of end abutment.

[0040] The above embodiments are only preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. An elastic base, characterized in that, The invention comprises a base (1) for fixing to a mounting surface, wherein a downwardly recessed limiting groove (10) is provided at the upper end of the base (1), a downwardly extending lower cross groove (100) is provided in the limiting groove (10), a straight rod (2) is fixed on the groove wall of the lower cross groove (100), a connecting sleeve (3) is provided above the base (1), a limiting protrusion (30) matched with the limiting groove (10) is provided at the bottom of the connecting sleeve (3), an upper cross groove (300) having the same structure as the lower cross groove (100) is provided at the bottom of the limiting protrusion (30), and the upper cross groove (300) is connected with the inside of the connecting sleeve (3), and the A metal chain (4) is inserted into the connecting sleeve (3), and the chain links at one end of the metal chain (4) pass through the upper cross groove (300) and the lower cross groove (100) in sequence and are sleeved on the straight rod (2). A screw rod (40) located in the connecting sleeve (3) is hingedly fixed on the chain link at the other end of the metal chain (4), and a washer (42) is sleeved on the screw rod (40) for adjusting the limit position through a nut (41). A return spring (5) is arranged in the connecting sleeve (3), and the two ends of the return spring (5) are respectively against the bottom of the washer (42) and the inner wall of the limit protrusion (30), and the return spring (5) pushes the bottom of the connecting sleeve (3) to abut against the upper end surface of the limit groove (10).

2. The resilient base according to claim 1, wherein The base (1) comprises a detachably connected base plate (11) and a base (12); the base (12) is fixed to the upper surface of the base plate (11) by means of bolts; the limit groove (10) is provided at the top of the base (12); and a mounting through hole (120) is provided on the side wall of the base (12); and the straight rod (2) is inserted into the mounting through hole (120).

3. An elastic base according to claim 1 or 2, characterized in that, A limiting notch (101) is provided on the notch opening of the limiting groove (10), and a limiting convex block (301) corresponding to the limiting notch (101) is provided on the outer edge of the limiting protrusion (30), and when the limiting convex block (301) is embedded in the limiting notch (101), the lower cross groove (100) corresponds to the upper cross groove (300) in the upper and lower directions.

4. An elastic base according to claim 2, wherein The base plate (11) is provided with mounting screw holes (121) for fixing to the mounting surface.

5. An elastic base according to claim 1, wherein The outer edge of the washer (42) extends downward to form a side edge for abutting against the end of the return spring (5).

6. An elastic base according to claim 1, wherein A limiting convex ring (31) is provided on the outer edge of the connecting sleeve (3).

Images