CN214221718U

CN214221718U - Locking device for telescopic suspender and telescopic suspender

Info

Publication number: CN214221718U
Application number: CN202023288213.9U
Authority: CN
Inventors: 何孝亮; 邢永超; 何鹏飞; 陈磊
Original assignee: Shanghai Sansi Technology Co Ltd; Shanghai Sansi Electronic Engineering Co Ltd; Jiashan Sansi Photoelectric Technology Co Ltd; Pujiang Sansi Optoelectronics Technology Co Ltd
Current assignee: Shanghai Sansi Technology Co Ltd; Shanghai Sansi Electronic Engineering Co Ltd; Jiashan Sansi Photoelectric Technology Co Ltd; Pujiang Sansi Optoelectronics Technology Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-17
Anticipated expiration: 2030-12-30

Abstract

The application provides a locking device and scalable jib for scalable jib, locking device includes: the hoop fastener is detachably fixed at the connecting end of the main suspender; wherein, an auxiliary suspender is inserted into and extends out of the main suspender; the hoop clamping sleeve is detachably fixed on the hoop buckle, and the auxiliary hanger rod penetrates through the hoop clamping sleeve and is screwed to adjust the degree of tightness of the auxiliary hanger rod; the auxiliary suspension rod is inserted from the fixed end of the main suspension rod and extends out from the connecting end of the main suspension rod; the locking device is used for adjusting the degree of tightness of the fixed auxiliary suspender after the auxiliary suspender extends out. This application had both realized the flexible regulation of pole, can prevent again to break away from and unnecessary rotates, made simple to operate swift, and the field usage is nimble, makes the connection between pole and the pole more convenient.

Description

Locking device for telescopic suspender and telescopic suspender

Technical Field

The application relates to the technical field of telescopic suspenders, in particular to a locking device for a telescopic suspender and the telescopic suspender.

Background

In daily life, the ceiling lamp is popular with people and widely applied. In different scenarios, booms of different lengths are often required. In the industry, the connection between the middle rod and the rod of the suspension rod is generally realized by adopting a mode of adding plastic buckles to metal threads or adding glue to plastic threads and locking and fixing by using screws.

The prior art has the problems of complex installation, high cost, poor reliability and the like, has poor functional realization and is difficult to meet the field use. Therefore, it is necessary to simplify the mounting steps and improve the stability on the basis of the practicability, so that the connection between the rods is more convenient.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks of the prior art, it is an object of the present application to provide a locking device for a telescopic boom, and a telescopic boom, which solves at least one problem of the prior art.

To achieve the above and other related objects, there is provided a locking device for a telescopic boom, the locking device comprising: the hoop fastener is detachably fixed at the connecting end of the main suspender; wherein, an auxiliary suspender is inserted into and extends out of the main suspender; the hoop clamping sleeve is detachably fixed on the hoop buckle and used for adjusting the degree of tightness of the auxiliary hanger rod after the auxiliary hanger rod penetrates through the hoop clamping sleeve by screwing.

In an embodiment of the application, a clamping portion is arranged on a side surface of the hoop fastener, and a clamping groove is arranged at a connecting end of the main suspender; the clamping part is matched and clamped with the clamping groove to realize the detachable fixation of the hoop buckle and the connecting end of the main suspender.

In an embodiment of this application, the staple bolt buckle with the staple bolt cutting ferrule passes through the screw thread and realizes dismantling fixedly and adjust vice jib is by the elasticity degree of fixing.

In an embodiment of the present application, the outer side of the fixing portion of the hoop fastener and the inner side of the hoop clamping sleeve are respectively provided with threads to adapt to screwing.

In an embodiment of this application, the fixed part of staple bolt buckle with what the inboard difference adaptation of staple bolt cutting ferrule establishes to the tapering screw thread that has certain inclination, and it is right to supply the realization the different locking degree of vice jib.

In an embodiment of the present application, a notch is formed on the fixing portion of the hoop fastener to prevent the hoop fastener from being deformed by being squeezed when the hoop fastener is screwed.

In an embodiment of the present application, the sub-boom is inserted from the fixed end of the main boom and extends from the connecting end of the main boom.

In an embodiment of this application, the link of main jib with the link of vice jib is equipped with adaptation restriction portion respectively, so that the confession is in vice jib inserts and stretches out restriction behind the main jib vice jib is followed the link of main jib breaks away from.

In an embodiment of the present application, a rod opening of the connecting end of the main boom is set as an inward flanging opening that is tightened inward; a rod port of the connecting end of the auxiliary suspender, which is clamped with the main suspender, is an outward-expanded outward-flanging port; wherein, the outer diameter of the outward flanging opening is smaller than the inner diameter of the main suspender rod body and is larger than the inner diameter of the inward flanging opening.

To achieve the above and other related objects, the present application provides a telescopic boom, comprising: the locking device, the main boom, and the sub boom as described above; wherein, an auxiliary suspender is inserted into and extends out of the main suspender; the auxiliary suspension rod is inserted from the fixed end of the main suspension rod and extends out from the connecting end of the main suspension rod; the locking device is used for adjusting the degree of tightness of the fixed auxiliary suspender after the auxiliary suspender extends out.

As mentioned above, the present application provides a locking device for a telescopic boom, the locking device comprising: the hoop fastener is detachably fixed at the connecting end of the main suspender; wherein, an auxiliary suspender is inserted into and extends out of the main suspender; the hoop clamping sleeve is detachably fixed on the hoop buckle and used for adjusting the degree of tightness of the auxiliary hanger rod after the auxiliary hanger rod penetrates through the hoop clamping sleeve by screwing.

Has the following beneficial effects:

this application had both realized the flexible regulation of pole, can prevent again to break away from and unnecessary rotates, made simple to operate swift, and the field usage is nimble, makes the connection between pole and the pole more convenient.

Drawings

Fig. 1 shows a schematic view of an explosive structure of a telescopic boom according to an embodiment of the present application.

Fig. 2 is a schematic cross-sectional view of a locking device for a telescopic boom according to an embodiment of the present application.

Fig. 3 is a schematic view of an overall structure of an installed telescopic boom according to an embodiment of the present application.

Fig. 4 is a schematic front view of an embodiment of the present application showing an installed telescopic boom.

Detailed Description

The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. The present application is capable of other and different embodiments and its several details are capable of modifications and/or changes in various respects, all without departing from the spirit of the present application. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

It should be noted that the drawings provided in the following embodiments are only schematic and illustrate the basic idea of the present application, and although the drawings only show the components related to the present application and are not drawn according to the number, shape and size of the components in actual implementation, the type, quantity and proportion of the components in actual implementation may be changed at will, and the layout of the components may be more complex.

Throughout the specification, when a part is referred to as being "connected" to another part, this includes not only a case of being "directly connected" but also a case of being "indirectly connected" with another element interposed therebetween. In addition, when a certain part is referred to as "including" a certain component, unless otherwise stated, other components are not excluded, but it means that other components may be included.

The terms first, second, third, etc. are used herein to describe various elements, components, regions, layers and/or sections, but are not limited thereto. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the scope of the present application.

Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," and/or "comprising," when used in this specification, specify the presence of stated features, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, operations, elements, components, items, species, and/or groups thereof. The terms "or" and/or "as used herein are to be construed as inclusive or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a; b; c; a and B; a and C; b and C; A. b and C ". An exception to this definition will occur only when a combination of elements, functions or operations are inherently mutually exclusive in some way.

A locking device and scalable jib that is used for scalable jib prefer to relate to the illumination product field, especially relate to a jib that relates to ceiling lamp. In addition, the telescopic boom described herein may also be used in displays, floor lamps, or other settings where it is desired to be hoisted, supported, or fixed.

In order to solve the problems, the application provides a locking device for a telescopic suspender and the telescopic suspender, which can effectively realize the locking of the telescopic suspender, have high stability and simple operation, simplify the installation steps and ensure that the connection between a rod and the rod is more convenient. And for ease of understanding, the present application will describe detailed embodiments of the telescopic boom as a whole.

Referring to fig. 1, there is shown a schematic illustration of an explosive structure of a telescopic boom according to an embodiment of the present application, wherein the telescopic boom comprises: locking device 3, main jib 1, and vice jib 2.

Preferably, in order to ensure the stability of hoisting and supporting as the hanger rod, the main hanger rod 1 and the sub hanger rod 2 are made of metal pipes, and may be made of alloy pipes or polymer materials.

Preferably, the main lever and the sub-boom 2 are combined to form a boom body, wherein the sub-boom 2 is inserted from a fixed end of the main boom 1 and extends from a connecting end of the main boom 1.

In this embodiment, the connection end of the main boom 1 and the connection end of the sub boom 2 are respectively provided with a restriction portion adapted to restrict the sub boom 2 from being separated from the connection end of the main boom 1 after the sub boom 2 is inserted into and extended from the main boom 1.

Specifically, a rod opening of the connecting end of the main boom 1 is set as an inward flanging opening which is tightened inwards; a rod port of a connecting end of the auxiliary suspender 2 clamped with the main suspender 1 is an outward-expanded outward flanging port; wherein, the outer diameter of the outward flanging opening is smaller than the inner diameter of the rod body of the main suspension rod 1 and is larger than the inner diameter of the inward flanging opening.

Generally, the fixed end of the main boom 1 is usually fixed to a roof or a ceiling, and the fixed end of the sub boom 2 is fixed to a ceiling lamp, a floor, etc., a display, and other various devices to be hoisted. That is, the fixed end of the main boom 1 is usually located above, the fixed end of the sub boom 2 is usually located below, and the sub boom 2 is not detached from the main boom 1 even without the lock device 3 by providing an adapter restricting portion at each of the connecting end of the main boom 1 and the connecting end of the sub boom 2.

The locking device 3 described in this application is mainly used to adjust the degree of tightness with which the auxiliary boom 2 is fixed after it has been extended.

Specifically, the locking device 3 comprises: hoop snap 31 and hoop clamp sleeve 32.

Preferably, for saving the cost and reducing the manufacturing and processing difficulty, the hoop buckle 31 and the hoop clamping sleeve 32 are made of plastic materials.

Wherein, the hoop buckle 31 is detachably fixed at the connecting end of the main suspender 1; the hoop clamping sleeve 32 is detachably fixed on the hoop buckle 31, so that the auxiliary hanger rod 2 passes through the hoop clamping sleeve and is screwed to adjust the degree of tightness of the auxiliary hanger rod 2.

In this embodiment, the side of the hoop fastener 31 is provided with a fastening portion 311, and the connecting end of the main boom 1 is provided with a fastening slot 11; the engaging portion 311 is adapted to be engaged with the engaging groove 11, so as to detachably fix the hoop fastener 31 and the connecting end of the main boom 1.

In one or more embodiments, in the actual installation process, the anchor ear clamping sleeve 32 is only required to be inserted into the connecting end of the main boom 1, and then the clamping portion 311 of the anchor ear buckle 31 is aligned to the position of the clamping groove 11 of the connecting end of the main boom 1, so that the anchor ear clamping sleeve and the main boom can be fixed; when needs are dismantled, through the block portion 311 of the side of perk staple bolt buckle 31 alright realize with the separation of the draw-in groove 11 of the link of main jib 1, convenient dismantlement.

In this embodiment, the hoop fastener 31 and the hoop clamping sleeve 32 are detachably fixed and adjust the tightness of the auxiliary hanger rod 2 through threads.

Specifically, the outer side of the fixing portion 312 of the hoop fastener 31 and the inner side of the hoop clamping sleeve 32 are respectively provided with threads to be screwed in a matching manner.

In this embodiment, the fixing portion 312 of the hoop fastener 31 and the inner side of the hoop clamping sleeve 32 are respectively configured to be a tapered thread with a certain inclination angle, so as to achieve different locking degrees for the auxiliary hanger rod 2. As shown in fig. 2, shows a tapered thread with an oblique angle.

Preferably, the direction of the taper thread on the anchor ear clip 31 and the anchor ear clip 32 is the same, and the auxiliary suspension rod 2 is narrow and wide in the direction of the main suspension rod 1 after installation, so that when the anchor ear clip 32 is screwed on the anchor ear clip 31, the locking degree of the auxiliary suspension rod 2 is gradually increased from loose to tight.

In this embodiment, since the threads on the hoop fastener 31 and the hoop clamping sleeve 32 are tapered and have an angle, in order to avoid the hoop fastener from being deformed by squeezing the hoop fastener 31 when being screwed, the fixing portion 312 of the hoop fastener 31 is further provided with the notch 313 to increase the deformation space when the hoop fastener 31 is screwed, so as to avoid damaging the hoop fastener 31.

Preferably, the hoop clamp sleeve 32 is externally provided with a force application surface for facilitating screwing so as to be screwed onto the hoop buckle 31 during installation.

In one or more embodiments of the present application, during actual installation, the hoop fastener 31 is first installed at the connecting end of the main boom 1, and then the auxiliary boom 2 is inserted from the fixed end of the main boom 1 and extends out from the connecting end of the main boom 1; then embolia staple bolt cutting ferrule 32 from the stiff end of vice jib 2, fix on staple bolt buckle 31 earlier through revolving to twist, then adjust the length that vice jib 2 stretches out as required, then continue to revolve to twist staple bolt cutting ferrule 32 until locking vice jib 2 no longer moves relative main jib 1, and this telescopic jib installation is accomplished. Fig. 3 is a schematic view of the overall structure of the telescopic boom after installation, and fig. 4 is a schematic view of the front structure of the telescopic boom after installation.

To sum up, the application provides a locking device and scalable jib for scalable jib, locking device includes: the hoop fastener is detachably fixed at the connecting end of the main suspender; wherein, an auxiliary suspender is inserted into and extends out of the main suspender; the hoop clamping sleeve is detachably fixed on the hoop buckle, and the auxiliary hanger rod penetrates through the hoop clamping sleeve and is screwed to adjust the degree of tightness of the auxiliary hanger rod; the auxiliary suspension rod is inserted from the fixed end of the main suspension rod and extends out from the connecting end of the main suspension rod; the locking device is used for adjusting the degree of tightness of the fixed auxiliary suspender after the auxiliary suspender extends out.

The above embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the application. Any person skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.

Claims

1. A locking device for a telescopic boom, characterized in that the locking device comprises:

the hoop fastener is detachably fixed at the connecting end of the main suspender; wherein, an auxiliary suspender is inserted into and extends out of the main suspender;

the hoop clamping sleeve is detachably fixed on the hoop buckle and used for adjusting the degree of tightness of the auxiliary hanger rod after the auxiliary hanger rod penetrates through the hoop clamping sleeve by screwing.

2. The locking device according to claim 1, wherein a clamping part is arranged on the side surface of the hoop fastener, and a clamping groove is arranged at the connecting end of the main hanger rod; the clamping part is matched and clamped with the clamping groove to realize the detachable fixation of the hoop buckle and the connecting end of the main suspender.

3. The locking device of claim 1, wherein the hoop fastener and the hoop clamping sleeve are detachably fixed through threads and the degree of tightness of the auxiliary hanger rod is adjusted.

4. The locking device of claim 1, wherein the outer side of the fixing portion of the hoop fastener and the inner side of the hoop clamping sleeve are respectively provided with threads to adapt to screwing.

5. The locking device of claim 4, wherein the fixing portion of the hoop fastener and the inner side of the hoop clamping sleeve are respectively provided with a taper thread with a certain inclination angle in a matched manner, so as to realize different locking degrees of the auxiliary hanger rod.

6. The locking device of claim 4, wherein the fixing portion of the hoop fastener is provided with a notch to prevent the hoop fastener from being deformed by being squeezed when the hoop fastener is screwed.

7. The locking device of claim 1 wherein said secondary hanger bar is inserted from a fixed end of said primary hanger bar and extends from a connecting end of said primary hanger bar.

8. The locking device according to claim 1, wherein the connecting end of the main boom and the connecting end of the sub boom are respectively provided with an adaptive restriction portion for restricting the sub boom from being detached from the connecting end of the main boom after the sub boom is inserted into and extended from the main boom.

9. The locking device of claim 8, wherein the shank mouth of the connecting end of the main boom is provided as an inwardly tightened inner flanging mouth; a rod port of the connecting end of the auxiliary suspender, which is clamped with the main suspender, is an outward-expanded outward-flanging port; wherein, the outer diameter of the outward flanging opening is smaller than the inner diameter of the main suspender rod body and is larger than the inner diameter of the inward flanging opening.

10. A telescopic boom, comprising: the locking device, the main boom, and the sub boom according to any one of claims 1 to 8;

wherein, an auxiliary suspender is inserted into and extends out of the main suspender; the auxiliary suspension rod is inserted from the fixed end of the main suspension rod and extends out from the connecting end of the main suspension rod; the locking device is used for adjusting the degree of tightness of the fixed auxiliary suspender after the auxiliary suspender extends out.