CN217684844U

CN217684844U - Cantilever arm structure

Info

Publication number: CN217684844U
Application number: CN202221175803.7U
Authority: CN
Inventors: 何夏梅; 沈佳炜; 沈根灿; 张柯杰; 沈炜韬
Original assignee: Ningbo Boli Technology Co ltd
Current assignee: Ningbo Boli Technology Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-10-28
Anticipated expiration: 2032-05-10

Abstract

The utility model discloses a cantilever arm structure, which comprises a vertical rod and a connecting rod which are connected with each other, wherein the left side of the connecting rod is connected with the bottom of the vertical rod, and the right end of the connecting rod is provided with a lamp mounting position; the method is characterized in that: a vertical cavity is formed in the vertical rod, a connecting cavity is formed in the connecting rod, and the left side of the connecting cavity is communicated with the bottom of the vertical cavity; a through hole is formed in the left side face of the vertical rod, and the right end of the through hole is communicated with the top of the vertical cavity; the left side outside of through-hole is equipped with the annular cover that extends towards the left side, the annular cover is established in on the left side outer fringe face of montant, the middle part of annular cover be equipped with the connecting hole of the coaxial setting of through-hole, the inner wall of connecting hole with the inner wall of through-hole flushes the setting. The utility model provides the high convenience of installation prevents the emergence of electric leakage phenomenon, extension street lamp life.

Description

Cantilever arm structure

Technical Field

The utility model relates to a street lamp especially relates to an arm structure of choosing.

Background

The street lamp pole is used for installing a street lamp and is installed on a road or outdoors. The street lamp comprises a main street lamp and an auxiliary street lamp, wherein the main street lamp and the auxiliary street lamp are arranged on a plurality of street lamp poles, the height of the main street lamp is higher, the brightness is brighter, the height of the auxiliary street lamp is lower, and the brightness is lower. Wherein, vice street lamp can be installed on the body of rod through the cantilever arm, and the cantilever arm is direct through with body of rod welded fastening, and in this kind of mode, the follow-up inconvenient regulation of the height of cantilever arm, if follow-up needs carry out height control, only can change the light pole, and the cost is too high. Simultaneously, can be on the light pole trompil, the electric wire in the direct light pole of will drawing forth, directly is connected with vice light, and the electric wire directly exposes, often blows wind and rain to drench the sun, and the easy ageing damage of electric wire, simultaneously, in the rainwater still enters into the light pole easily, the time is a long, all probably the emergence of ponding phenomenon (the dust is piled up for a long time, leads to the light pole bottom to be plugged up) in the light pole, has great electric leakage risk, has great potential safety hazard.

Disclosure of Invention

The utility model aims at providing a cantilever structure through using this structure, has improved the convenience of installation, has guaranteed sealed effect, prevents the emergence of electric leakage phenomenon.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a cantilever arm structure comprises a vertical rod and a connecting rod which are connected with each other, wherein the left side of the connecting rod is connected with the bottom of the vertical rod, and a lamp mounting position is arranged at the right end of the connecting rod;

a vertical cavity is formed inside the vertical rod, a connecting cavity is formed inside the connecting rod, the left side of the connecting cavity is communicated with the bottom of the vertical cavity, the right end of the connecting cavity is communicated with the lamp mounting position, and the vertical cavity and the connecting cavity form a circuit placing cavity;

a through hole is formed in the left side face of the vertical rod, and the right end of the through hole is communicated with the top of the vertical cavity; the left side outside of through-hole is equipped with towards the annular cover that left extension, the annular cover is established and is arranged in on the left side outer fringe face of montant, the middle part of annular cover be equipped with the connecting hole of the coaxial setting of through-hole, the inner wall of connecting hole with the inner wall of through-hole flushes the setting.

Among the above-mentioned technical scheme, the top of montant is equipped with two sets of arc holes, and is two sets of the arc hole sets up from top to bottom interval, the both ends in arc hole respectively with the left side outer fringe face and the right side outer fringe face of montant are linked together, the arc hole set up in the top of vertical cavity, just the arc hole with the coaxial setting of through-hole.

In the technical scheme, an annular groove is formed in the outer edge surface of the left side of the annular sleeve, an elastic sealing ring is installed in the annular groove, and the outer edge surface of the elastic sealing ring is arranged outside the annular groove.

Among the above-mentioned technical scheme, the bottom of vertical cavity is equipped with a drainage hole, the bottom of drainage hole with the bottom surface of montant is linked together, the diameter of drainage hole is less than the diameter of vertical cavity, the top left side of drainage hole with the left surface of vertical cavity flushes the setting, the drainage hole slopes from top to bottom and sets up left, the bottom of drainage hole sets up towards left side below.

In the technical scheme, the connecting rod and the connecting cavity are arranged from left to right in an inclined mode.

Because of the application of the technical scheme, compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses in set up the circuit and place the cavity in the cantilever arm, can hide the circuit in the cantilever arm, do not expose, not only more pleasing to the eye, simultaneously, can prolong the life of circuit, reduce the maintenance rate, also improve the safety in utilization;

2. the utility model discloses the left side of well through-hole is equipped with an annular cover, and inside the setting of annular cover can the disect insertion light pole to seal through the elasticity sealing washer, prevent the emergence of phenomenon of leaking, prevent that water from entering into inside the light pole, can effectual improvement safety in utilization.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of a first embodiment of the present invention;

fig. 2 is a left side view of a vertical rod according to a first embodiment of the present invention.

Wherein: 1. a vertical rod; 2. a connecting rod; 3. a lamp mounting position; 4. a vertical cavity; 5. a connecting cavity; 6. a through hole; 7. an annular sleeve; 8. connecting holes; 9. an arc-shaped hole; 10. an annular groove; 11. an elastic sealing ring; 12. and a liquid discharge hole.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

the first embodiment is as follows: referring to fig. 1 and 2, the cantilever arm structure comprises a vertical rod 1 and a connecting rod 2 which are connected with each other, wherein the left side of the connecting rod is connected with the bottom of the vertical rod, and a lamp mounting position 3 is arranged at the right end of the connecting rod;

a vertical cavity 4 is formed inside the vertical rod, a connecting cavity 5 is formed inside the connecting rod, the left side of the connecting cavity is communicated with the bottom of the vertical cavity, the right end of the connecting cavity is communicated with the lamp mounting position, and the vertical cavity and the connecting cavity form a circuit placing cavity;

a through hole 6 is formed in the left side face of the vertical rod, and the right end of the through hole is communicated with the top of the vertical cavity; the left side outside of through-hole is equipped with towards the annular cover 7 that left extension, the annular cover is established and is arranged in on the left side outer fringe face of montant, the middle part of annular cover be equipped with the connecting hole 8 of the coaxial setting of through-hole, the inner wall of connecting hole with the inner wall of through-hole flushes the setting.

In this embodiment, a lamp installation position is used for installing a lamp, an electric wire is placed in the circuit placing cavity in advance, one end of the electric wire is inserted into the lamp installation position and connected with the lamp, the other end of the electric wire penetrates through the through hole and the annular sleeve and is arranged outside the annular sleeve, and a hole position is arranged outside the street lamp pole and used for leading out a circuit inside the street lamp pole and connecting the circuit on the cantilever arm. In the time of actual installation, draw forth the circuit of light pole, after the line connection with the outrigger, directly insert the hole site of light pole with the annular cover again in, can utilize the annular cover to give the hole site of light pole and plug up like this, prevent that water from entering into in the light pole, can enough prevent that the electric leakage phenomenon from taking place, improve the security, and simultaneously, the circuit is hidden completely, can not blown by the wind, rain forest and sunshine, can prolong the life of circuit, reduces the maintenance rate, improves the security.

Referring to fig. 1 and 2, two sets of arc holes 9 are arranged above the vertical rod, and are arranged at intervals from top to bottom, two ends of each arc hole are respectively communicated with the left outer edge surface and the right outer edge surface of the vertical rod, the arc holes are arranged above the vertical cavity, and the arc holes and the through holes are coaxially arranged.

In this embodiment, the lamp post is provided with a plurality of groups of hole sites for leading out the line, and when the lamp post is not used, the hole sites are blocked to prevent water leakage. The upper portion of every group hole site can have a set of or two sets of group's protruding pole, and when the cantilever was installed, the annular cover was established in a set of hole site for the connection of circuit, and was stopped up the hole site, and simultaneously, at least a set of protruding pole passed a set of arc hole, utilized the nut to attach the cantilever with the protruding pole lock, can accomplish the installation of cantilever, follow-up carry on the equipment of lamps and lanterns can, efficient, the equipment convenience is good. Meanwhile, the position of the cantilever arm on the street lamp pole can be adjusted conveniently, the height position of the lamp can be adjusted, and the street lamp is suitable for being used in different environments. Moreover, the arc-shaped holes are adopted, so that the angle between the cantilever arm and the street lamp pole can be adjusted conveniently, the cantilever arm and the street lamp pole can be arranged obliquely, a more attractive shape is made, and the attractiveness is improved.

Referring to fig. 1 and 2, an annular groove 10 is formed in the outer edge surface of the left side of the annular sleeve, an elastic sealing ring 11 is installed in the annular groove, and the outer edge surface of the elastic sealing ring is arranged outside the annular groove.

Due to the arrangement of the elastic sealing ring, the annular sleeve is inserted into the hole site of the street lamp pole, and the hole site is sealed by the elastic sealing ring, so that the water leakage phenomenon is prevented. Simultaneously, the annular cover still plays and carries out the effect of fixing a position with the light pole, convenience and stability when improving the installation. When the cantilever is installed, after the circuit is connected, the annular sleeve is inserted into a hole site of the street lamp pole, the operator can loosen the force for supporting the cantilever, some thrust towards the street lamp pole is given to the cantilever, the cantilever can be prevented from falling off, the nut is subsequently utilized for locking, the installation convenience is improved, and the installation labor intensity of the operator is reduced.

Referring to fig. 1, the bottom of vertical cavity is equipped with a drainage hole 12, the bottom of drainage hole with the bottom surface of montant is linked together, the diameter of drainage hole is less than the diameter of vertical cavity, the top left side of drainage hole with the left surface of vertical cavity flushes the setting, the drainage hole from top to bottom slope sets up left, the bottom of drainage hole sets up towards left side below.

The connecting rod and the connecting cavity are obliquely and upwards arranged from left to right.

In this embodiment, if say that rainwater leaks from lamps and lanterns installation position and has got into some and place the cavity in the circuit, through the setting of outage, also can prevent the emergence of ponding phenomenon with inside row's smooth light, prevent inside water flows into light pole from the through-hole, also prevent that circuit and water from contacting for a long time and leading to the electric leakage to appear, reduce the potential safety hazard.

Claims

1. A cantilever arm structure comprises a vertical rod and a connecting rod which are connected with each other, wherein the left side of the connecting rod is connected with the bottom of the vertical rod, and a lamp mounting position is arranged at the right end of the connecting rod; the method is characterized in that:

2. The cantilever structure according to claim 1, wherein: the top of montant is equipped with two sets of arc holes, and is two sets of the arc hole from top to bottom interval sets up, the both ends in arc hole respectively with the left side outer fringe face and the right side outer fringe face of montant are linked together, the arc hole set up in the top of vertical cavity, just the arc hole with the coaxial setting of through-hole.

3. The cantilever structure according to claim 1, wherein: the ring-shaped sleeve is characterized in that an annular groove is formed in the outer edge surface of the left side of the annular sleeve, an elastic sealing ring is installed in the annular groove, and the outer edge surface of the elastic sealing ring is arranged outside the annular groove.

4. The cantilever structure according to claim 1, wherein: the bottom of vertical cavity is equipped with a outage hole, the bottom of outage hole with the bottom surface of montant is linked together, the diameter of outage hole is less than the diameter of vertical cavity, the top left side of outage hole with the left surface of vertical cavity flushes the setting, the outage is from top to bottom slope and sets up left, the bottom of outage hole sets up towards left side below.

5. The cantilever structure according to claim 1, wherein: the connecting rod and the connecting cavity are obliquely and upwards arranged from left to right.