Spring-free cantilever support

Abstract

The utility model discloses a spring-free cantilever support which is characterized in that a first cantilever structure is connected between a first connecting piece and a second connecting piece, and a second cantilever structure is connected between the second connecting piece and a third connecting piece; the second connecting piece comprises a first side plate and a second side plate, and arc-shaped adjusting grooves are formed in the first side plate and the second side plate; the first cantilever structure comprises a first cantilever rod and a second cantilever rod, and the second cantilever structure comprises a third cantilever rod and a fourth cantilever rod; the end parts of the first cantilever rod, the second cantilever rod, the third cantilever rod and the fourth cantilever rod are rotatably connected between the first side plate and the second side plate through shafts; the second cantilever rod and the fourth cantilever rod are in threaded connection with butterfly-shaped locking pieces. According to the utility model, the structural arrangement is reasonable, the butterfly-shaped locking piece is matched with the arc-shaped adjusting groove to realize adjustment, locking and positioning during use, the use of a spring is reduced, the processing and assembling cost is favorably reduced, the use stability and reliability are favorably improved, and the operation is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cantilever support technical field, concretely relates to a springless cantilever support. BACKGROUND

[0002] With the rapid development of science and technology, various recording electronic equipment gradually increases, when recording voice, the user cannot hold the equipment all the time, so the corresponding support is needed to support and limit the voice recording equipment, for example, the patent of CN202421291523.1 is a light emitting cantilever support, which comprises base clamp, lower connecting piece, lower cantilever, middle connecting piece, upper cantilever, upper connecting piece and equipment connecting piece connected in sequence, the lower connecting piece is rotationally connected with the base clamp, the lower cantilever and the upper cantilever are rotationally connected with the middle connecting piece, the middle connecting piece is provided with upper cantilever locking device, the lower connecting piece and the middle part of the lower cantilever, and the middle connecting piece and the middle part of the upper cantilever are provided with tension spring, the side surface of the lower cantilever and the upper cantilever is provided with LED lamp strip, and the equipment connecting piece is rotationally connected with the upper connecting piece.

[0003] Although it can meet the general use demand, the structure is relatively complex, the corresponding tension spring needs to be tensioned and limited, which is not conducive to installation and use, and is also easy to reset automatically under the action of elastic force, affecting the use stability and reliability, and is not conducive to adjustment operation, so the applicability is limited. SUMMARY

[0004] The utility model aims at providing a springless cantilever support with reasonable structure and convenient adjustment.

[0005] The technical scheme for realizing the utility model is a springless cantilever support, which comprises a first connecting piece, a second connecting piece, a third connecting piece, a first cantilever structure and a second cantilever structure.

[0006] The first cantilever structure is connected between the first connecting piece and the second connecting piece, and the second cantilever structure is connected between the second connecting piece and the third connecting piece.

[0007] The second connecting piece comprises a first side plate and a second side plate, four rotating hole positions are arranged on the first side plate and the second side plate, arc-shaped adjustment grooves are arranged on the first side plate and the second side plate, and the arc-shaped adjustment grooves on the first side plate and the second side plate are arranged in a staggered manner.

[0008] The first cantilever structure comprises a first cantilever rod and a second cantilever rod, and the second cantilever structure comprises a third cantilever rod and a fourth cantilever rod.

[0009] The end of the first cantilever rod, the second cantilever rod, the third cantilever rod and the fourth cantilever rod is rotatably connected between the first side plate and the second side plate through a shaft;

[0010] A butterfly lock is threadedly connected on the second cantilever rod and the fourth cantilever rod, and is located in the arc-shaped adjusting groove.

[0011] Further preferably, the first connecting piece and the third connecting piece are triangular connecting pieces.

[0012] The end of the first cantilever rod and the second cantilever rod is rotatably connected at two vertices of the first connecting piece through a shaft.

[0013] The end of the third cantilever rod and the fourth cantilever rod is rotatably connected at two vertices of the third connecting piece through a bolt.

[0014] Further preferably, a mounting pillar is rotatably connected at a third vertex of the first connecting piece through a bolt.

[0015] A connecting sleeve is fixed at a third vertex of the third connecting piece.

[0016] Further preferably, the shaft is a pin shaft or a bolt.

[0017] Further preferably, the length of the first cantilever rod and the second cantilever rod is matched.

[0018] The length of the third cantilever rod and the fourth cantilever rod is matched.

[0019] The utility model discloses a reasonable structure, which is provided with an arc-shaped adjusting groove on the first side plate and the second side plate, and a butterfly lock is threadedly connected on the second cantilever rod and the fourth cantilever rod. ACCURACY

[0020] In order to make the content of the utility model more easily be clearly understood, the following according to specific embodiment and combining with the attached drawing, the utility model is further detailed, wherein:

[0021] Fig. 1 It is the structure schematic diagram of the utility model;

[0022] Fig. 2 It is the structure schematic diagram of the second connecting piece when being disassembled in the utility model;

[0023] Fig. 3 It is a structure diagram of the second connecting piece in the utility model.

[0024] The drawings are as follows: first connecting piece 1, second connecting piece 2, first side plate 21, second side plate 22, rotating hole position 23, arc-shaped adjusting groove 24, third connecting piece 3, first cantilever structure 4, first cantilever rod 41, second cantilever rod 42, second cantilever structure 5, third cantilever rod 51, fourth cantilever rod 52, shaft piece 6, butterfly-shaped locking piece 7, shaft rod 8, bolt 9, mounting support 10, connecting sleeve 11. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. EMBODIMENT

[0026] See Figs. 1 to 3 As shown in the figure, a spring-free cantilever support comprises a first connecting piece 1, a second connecting piece 2, a third connecting piece 3, a first cantilever structure 4 and a second cantilever structure 5. In this embodiment, all the above structures are metal structures.

[0027] In addition, in assembly, the first cantilever structure is connected between the first connecting piece and the second connecting piece, and the second cantilever structure is connected between the second connecting piece and the third connecting piece.

[0028] In this embodiment, the second connecting piece comprises a first side plate 21 and a second side plate 22, four rotating hole positions 23 are arranged on the first side plate and the second side plate, arc-shaped adjusting grooves 24 are arranged on the first side plate and the second side plate, and the arc-shaped adjusting grooves on the first side plate and the second side plate are arranged in a staggered manner. In this embodiment, the arc-shaped adjusting grooves on the first side plate and the second side plate are arranged in a staggered manner, so that the first cantilever structure and the second cantilever structure can gradually approach or gradually expand outward, improving the convenience and effectiveness of use. In addition, the first cantilever structure comprises a first cantilever rod 41 and a second cantilever rod 42, and the second cantilever structure comprises a third cantilever rod 51 and a fourth cantilever rod 52. In this embodiment, the lengths of the first cantilever rod and the second cantilever rod are matched, and the lengths of the third cantilever rod and the fourth cantilever rod are matched. Through the above structure, the convenience and reliability of connection can be improved.

[0029] And the end of the first cantilever rod, the second cantilever rod, the third cantilever rod and the fourth cantilever rod is rotatably connected between the first side plate and the second side plate through the shaft 6; the second cantilever rod and the fourth cantilever rod are threadedly connected with the butterfly locking piece 7, and the shaft is a pin shaft or a bolt.

[0030] And in the embodiment, the first connecting piece and the third connecting piece are triangular connecting pieces; the ends of the first cantilever rod and the second cantilever rod are rotatably connected at two vertices of the first connecting piece through the shaft rod 8; wherein the shaft rod can be replaced by a bolt or a pin shaft; and the ends of the third cantilever rod and the fourth cantilever rod are rotatably connected at two vertices of the third connecting piece through the bolt 9.

[0031] In the embodiment, a mounting strut 10 is rotatably connected to the third vertex of the first connecting piece through a bolt; and a connecting sleeve 11 is fixed to the third vertex of the third connecting piece.

[0032] The utility model has the positive effect that: the utility model discloses reasonable structure setting, and it is provided with the arc adjusting groove on the first side plate and the second side plate, and the second cantilever rod and the fourth cantilever rod are threadedly connected with the butterfly locking piece, and the arc adjusting groove is used to realize the adjustment and locking positioning through the butterfly locking piece in use, thereby reducing the use of spring, which is conducive to reducing the processing and assembly cost, and is also conducive to improving the use stability and reliability, and the operation is more convenient, and the applicability is strong.

[0033] The standard parts used in the embodiment can be directly purchased from the market, and the non-standard structural parts according to the description can also be directly processed according to the existing technical knowledge without doubt, and the connection mode of each part adopts the mature conventional means in the existing technology, and the machinery, parts and equipment adopt the conventional type in the existing technology, so the specific description is not made here.

[0034] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation manners of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the implementation manners. The obvious changes or variations extended from the essential spirit of the present application still belong to the protection scope of the present application.

Claims

1. A springless cantilever bracket, characterized in that: It includes a first connector, a second connector, a third connector, a first cantilever structure, and a second cantilever structure; The first cantilever structure is connected between the first connector and the second connector, and the second cantilever structure is connected between the second connector and the third connector; The second connector includes a first side plate and a second side plate. The first side plate and the second side plate are provided with four rotating holes, and both the first side plate and the second side plate are provided with arc-shaped adjustment grooves. The arc-shaped adjustment grooves on the first side plate and the second side plate are staggered. The first cantilever structure includes a first cantilever rod and a second cantilever rod, and the second cantilever structure includes a third cantilever rod and a fourth cantilever rod; The ends of the first cantilever, the second cantilever, the third cantilever and the fourth cantilever are rotatably connected between the first side plate and the second side plate via shafts; The second and fourth cantilever rods are threaded with butterfly locking components, which are located in the arc-shaped adjustment groove. The butterfly locking components drive the second or fourth cantilever rod to move within the arc-shaped adjustment groove and tighten the threads to lock the position.

2. The springless cantilever bracket according to claim 1, characterized in that: The first and third connectors are triangular connectors; The ends of the first cantilever and the second cantilever are rotatably connected to the two vertices of the first connector via a shaft. The ends of the third and fourth cantilever rods are rotatably connected to the two vertices of the third connector by bolts.

3. A springless cantilever bracket according to claim 2, characterized in that: A mounting support is rotatably connected to the third vertex of the first connector by a bolt; A connecting sleeve is fixed at the third vertex of the third connector.

4. A springless cantilever bracket according to claim 1, characterized in that: The shaft is a pin or a bolt.

5. A springless cantilever bracket according to claim 1, characterized in that: The lengths of the first cantilever and the second cantilever are matched; The lengths of the third and fourth cantilever arms are matched.

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