CN205715144U

CN205715144U - A kind of fixing device

Info

Publication number: CN205715144U
Application number: CN201620417072.0U
Authority: CN
Inventors: 付杨; 方海
Original assignee: Guangdong University of Technology
Current assignee: Guangdong University of Technology
Priority date: 2016-05-09
Filing date: 2016-05-09
Publication date: 2016-11-23
Anticipated expiration: 2026-05-09

Abstract

The utility model discloses a kind of fixing device, including the first tumbler, the second tumbler and slide block, wherein, first tumbler and the second tumbler can relatively rotate around same rotating shaft, and slide block is slidably disposed in the second tumbler towards on the surface of the first tumbler and can stretch out relative to the rotation of the second tumbler with the first tumbler outside the edge of the second tumbler or in the edge of the second tumbler of retracting；In use, the first tumbler and slide block are together stretched in the hole of confined space, then make the first tumbler and the second tumbler relatively rotate, drive slide block to stretch out and can fixing device be stuck in the hole of confined space；During dismounting, the first tumbler and the second tumbler only need to be made again to relatively rotate driving slide block and to regain and fixing device can be pulled down；Above-mentioned fixing device is simple to operate, less demanding to space, only the first tumbler and the second tumbler need to be made to relatively rotate, can realize fast assembling-disassembling, reach time-consuming, put forward high efficiency purpose.

Description

A kind of fixing device

Technical field

This utility model relates to project installation technical field, particularly to a kind of fixing device.

Background technology

In daily life, often there are some confined spaces, such as plasterboard, hang canopy, vehicle body etc., above-mentioned Structure may be not easy to instrument insert into the inner portion only by an aperture and ft connection, can only be from airtight Outside is unidirectional fixing, therefore, when the external environment condition of above-mentioned confined space is the narrowest and small, will lead Causing to connect the installation of fixed structure and dismounting difficulty, the operating time is long, and efficiency is low.

Therefore, a kind of fixing device how is provided so that it is can fix quickly and easily in small space On the hole of confined space and readily accessible, reduce the operating time, improve efficiency, become ability The important technological problems that field technique personnel are urgently to be resolved hurrily.

Utility model content

In view of this, this utility model provides a kind of fixing device, so that reach can be at narrow and small sky It is fixed on the hole of confined space quickly and easily between, and readily accessible, reduce the operating time, Put forward high efficiency purpose.

For achieving the above object, the following technical scheme of this utility model offer:

A kind of fixing device, including the first tumbler, the second tumbler and slide block, described first rotates Part can relatively rotate around same rotating shaft with described second tumbler, and described slide block is slidably disposed in described Second tumbler is towards on the surface of described first tumbler and can be with described first tumbler relative to described The rotation of the second tumbler is stretched out outside the edge of described second tumbler or the limit of described second tumbler of retracting In edge.

Preferably, described first tumbler includes main shaft and drives arm, and described main shaft is for through described The axis of the second tumbler and described main shaft turns as described first tumbler is relative with described second tumbler Dynamic rotating shaft, described driving arm is connected on the sidewall of described main shaft and is provided with on described driving arm and offers Direction, towards the first chute of described second tumbler, the upper surface of described slide block is provided with and described The first traveller that one chute coordinates.

Preferably, described second tumbler is tabular, is provided with the through hole passed for described main shaft, The second chute offering direction towards described first tumbler it is provided with on described second tumbler；Described cunning The second traveller for coordinating it is provided with described second chute on the lower surface of block；Described first chute Cell wall promotes described first traveller to make described second traveller along described second slide to realize described slide block Stretch out or retract, or, the cell wall of described second chute promotes described second traveller to make described first traveller Stretch out along described first slide to realize described slide block or retract.

Preferably, described slide block is provided with at least two, and the circumference around described main shaft is respectively provided with distribution, Corresponding, the quantity of described driving arm is no less than the quantity of described slide block.

Preferably, the quantity of described second chute is consistent with the quantity of described driving arm, described second chute For arcuate groove, and its one end extends to the edge of described second tumbler near described through hole, the other end, The line at described second chute two ends is not by the center of circle of described through hole.

Preferably, the center of circle of described second chute and described through hole are positioned at the same side of described second chute.

Preferably, described main shaft is provided with external screw thread, described through hole is provided with and joins with described external screw thread The female thread closed, when described slide block extend out to extreme position, described external screw thread is twisted with described screw-internal thread fit Tightly.

Preferably, described second chute is the ellipse coaxial with described through hole or described second chute groove The cross section of wall is by least three the first circular arc and for connecting the second circle of the first circular arc described in adjacent two Arc is constituted, and the opening of the first circular arc described at least three is towards described through hole and around described through hole circumference all The center of circle of even distribution, described second circular arc and described first circular arc the second circular arc in smoothing junction and described and institute State through hole and lay respectively at the both sides of described second circular arc.

Preferably, described second tumbler surface away from described first tumbler sets around described through hole It is equipped with annular protrusion, the sidewall of described annular protrusion is provided with spring catch, described main shaft is provided with recessed Groove, described spring catch positions described first tumbler and described second tumbler with described groove fit.

Preferably, described second tumbler side surface away from described first tumbler is provided with column.

From technique scheme it can be seen that this utility model provide fixing device, including the first rotation Part, the second tumbler and slide block, wherein, the first tumbler and the second tumbler can be around same rotating shaft phases To rotation, slide block is slidably disposed in the second tumbler towards on the surface of the first tumbler and can be with One tumbler stretches out outside the edge of the second tumbler relative to the rotation of the second tumbler or the second rotation of retracting In the edge of part；

In use, the first tumbler and slide block are together stretched in the hole of confined space, make second turn Moving part coordinates with the hole of confined space, then makes the first tumbler and the second tumbler relatively rotate, drives Movable slider stretches out and can fixing device be stuck in the hole of confined space；During dismounting, only need to make first turn Moving part and the second tumbler again relatively rotate and drive slide block to regain, can be by fixing device from airtight The hole in space disassembles；As can be seen here, the fixing device that this utility model provides is simple to operate, Have only to make the first tumbler and the second tumbler relatively rotate, during operation, space is wanted Ask the highest, it is possible to realize fast assembling-disassembling, reach time-consuming, put forward high efficiency purpose.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, Accompanying drawing in describing below is only embodiments more of the present utility model, for ordinary skill people From the point of view of Yuan, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings Figure.

The fixing device that Fig. 1 provides for this utility model embodiment structural representation in a contracted state；

The fixing device that Fig. 2 provides for this utility model embodiment structural representation during launching；

The fixing device that Fig. 3 provides for this utility model embodiment structural representation in the deployed state；

The fixing device that Fig. 4 provides for this utility model embodiment coordinates the sectional view of original state with hole；

Fig. 5 coordinated with hole for the fixing device that this utility model embodiment provides after sectional view；

The structural representation of the first tumbler in the fixing device that Fig. 6 provides for this utility model embodiment；

The structural representation of the second tumbler in the fixing device that Fig. 7 provides for this utility model embodiment；

The structural representation of slide block in the fixing device that Fig. 8 provides for this utility model embodiment.

Detailed description of the invention

This utility model provides a kind of fixing device, with reach can in small space quick side Just on the hole being fixed on confined space and readily accessible, reduce the operating time, carry high efficiency Purpose.

Below in conjunction with the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment Scheme is clearly and completely described, it is clear that described embodiment is only this utility model one Divide embodiment rather than whole embodiments.Based on the embodiment in this utility model, this area is common The every other embodiment that technical staff is obtained under not making creative work premise, broadly falls into this The scope of utility model protection.

Refer to fixing device that Fig. 1-Fig. 3, Fig. 1 provide for this utility model embodiment in a contracted state Structural representation, the fixing device that Fig. 2 provides for this utility model embodiment knot during launching Structure schematic diagram, the fixing device that Fig. 3 provides for this utility model embodiment structure in the deployed state is shown It is intended to.

A kind of fixing device that this utility model embodiment provides, including first tumbler the 2, second tumbler 1 and slide block 3.

Wherein, the first tumbler 2 can relatively rotate around same rotating shaft with the second tumbler 1, and slide block 3 can It is slidingly arranged at the second tumbler 1 towards on the surface of the first tumbler 2 and can be with the first tumbler 2 Relative to outside the edge that the second tumbler 1 is stretched out in the rotation of the second tumbler 1 or retract the second tumbler 1 Edge in.

Compared with prior art, the fixing device that this utility model embodiment provides, in use, please join The fixing device that readding Fig. 4 and Fig. 5, Fig. 4 provides for this utility model embodiment coordinates original state with hole Sectional view, Fig. 5 coordinated with hole for the fixing device that this utility model embodiment provides after cut open View, together stretches into the first tumbler 2 and slide block 3 in the hole of confined space, makes the second tumbler 1 Coordinate with the hole of confined space, then make the first tumbler 2 relatively rotate with the second tumbler 1, drive Movable slider 3 stretches out and can fixing device be stuck in the hole of confined space；During dismounting, only need to make first Tumbler 2 again relatively rotates with the second tumbler 1 and drives slide block 3 to regain, can be by fixing dress Put and disassemble from the hole of confined space；As can be seen here, the fixing device behaviour that this utility model provides Make simple, it is only necessary to make the first tumbler 2 and the second tumbler 1 relatively rotate, during operation Less demanding for space, it is possible to realize fast assembling-disassembling, reach time-consuming, put forward high efficiency purpose.

First tumbler 2 can use various structures, the most discoid, not advising of being used as required Then shape etc., in this utility model embodiment, in order to save material and alleviate weight, first rotates Part 2 includes main shaft 22 and drives arm 21, and referring to Fig. 6, Fig. 6 provides for this utility model embodiment Fixing device in the structural representation of the first tumbler, main shaft 22 is for through the second tumbler 1 and main The axis of axle 22, as the first tumbler 2 and the second tumbler 1 pivot center in relative rotation, drives arm It is provided with on 21 sidewalls being connected to main shaft 22 and on driving arm 21 and offers direction towards the second tumbler 1 The first chute 21a, the upper surface of slide block 3 is provided with the first traveller 3a coordinated with the first chute 21a. The quantity driving arm 21 can be adjusted, the most during fabrication as shown in Figure 6, in this practicality In new embodiment, the first tumbler 2 has 4 driving arms 21.

Second tumbler 1 can also use various structures, but owing to the first above-mentioned tumbler 2 uses Main shaft 22 and the structure driving arm 21, therefore, in this utility model embodiment, second tumbler 1 The hole that is accomplished by with confined space of shape coordinate, referring to Fig. 7, Fig. 7 is this utility model embodiment The structural representation of the second tumbler in the fixing device provided, it can be seen that the second tumbler 1 For tabular, it is provided with the through hole 1b passed for main shaft 22, the second tumbler 1 is provided with and offers Direction is towards the second chute 1a of the first tumbler 2；Further, referring to Fig. 8, Fig. 8 is this reality With the structural representation of slide block in the fixing device of new embodiment offer, the lower surface of slide block 3 is arranged There is the second traveller 3b for coordinating with the second chute 1a；The cell wall of the first chute 21a promotes the first traveller 3a makes the second traveller 3b slide along the second chute 1a to stretch out or retract realizing slide block 3, or, second It is sliding to realize that the cell wall of chute 1a promotes the second traveller 3b to make the first traveller 3a slide along the first chute 21a Block 3 stretches out or retracts.

In order to optimize technique scheme further, make fixing device keep when coordinating with hole balance and Stable, in this utility model embodiment, slide block 3 is provided with at least two, around the circumference of main shaft 22 It is respectively provided with distribution, corresponding, drive the quantity quantity no less than slide block 3 of arm 21.

Second chute 1a can have various shape, and quantity both can be a plurality of, it is also possible to is around through hole 1b The closed curve slot arranged, in this utility model one embodiment, the quantity of the second chute 1a and driving The quantity of arm 21 is consistent, and the second chute 1a is arcuate groove, and its one end is near through hole 1b, the other end to The edge of the second tumbler 1 extends, and the line at the second chute 1a two ends is not by the center of circle of through hole 1b. As shown in Figure 7, the second chute 1a is provided with 4, corresponding, slide block 3 and the first tumbler The driving arm 21 of 2 is 4, and so, in an initial condition, 4 slide blocks 3 are gathered and shunk in first In the interlayer that tumbler 2 and the first tumbler 2 are formed, the traveller that slide block 3 coordinates with the second chute 1a 3a slides into the first extreme position along the second chute 1a, and namely the second chute 1a is near the one of through hole 1b End；When the first tumbler 2 turns over 90 ° relative to the second tumbler 1, with the second chute on slide block 3 The traveller 3a that 1a coordinates slides into the second extreme position along the second chute 1a, and namely the second chute 1a leans on The one end at the edge of nearly second tumbler 1, slide block 3 is in the state of stretching out, at this moment, stretching out of slide block 3 Amount subtracts to the distance in the through hole 1b center of circle near the one end at the edge of the second tumbler 1 equal to the second chute 1a Go the second chute 1a near the distance of one end of the through hole 1b of the second tumbler 1 to the through hole 1b center of circle；Need When fixing device being pulled down, only the first tumbler 2 need to be rotated backward relative to the second tumbler 1 90 °, slide block 3 is made to return to the first extreme position from the second extreme position.Certainly, rotate when second When being provided with a plurality of second chute 1a on part 1, its quantity is not limited only to 4, it is also possible to be 2,3 Bar or more, between the first tumbler 2 and the second tumbler 1, angle also can be sent out therewith in relative rotation Changing.

In this utility model one embodiment, as it is shown in fig. 7, the center of circle of the second chute 1a and through hole 1b Being positioned at the same side of the second chute 1a, in addition, the center of circle of the second chute 1a and through hole 1b can also Lay respectively at the both sides of the second chute 1a.

In order to enable fixing device to be maintained at deployed condition, it is to avoid its collision rift vibrated is retracted, shadow Ring fixed effect, in this utility model one embodiment, main shaft 22 is provided with external screw thread, through hole 1b On be provided with the female thread coordinated with external screw thread, when slide block 3 extend out to extreme position, external screw thread and interior spiral shell Stricture of vagina coordinates to be tightened；By this structure, along with gradually stretching out of slide block 3, on the first tumbler 2 outside Screw thread is the most gradually tightened with the screw-internal thread fit on the second tumbler 1, it is not necessary to operation bidirectional can make first Tumbler 2 keeps constant, so that fixing device is maintained at expansion with the relative position of the second tumbler 1 State.It is of course also possible to use other location structure, such as pin, buckle etc..

Above-mentioned is that the second chute 1a has a plurality of situation, in this utility model another kind embodiment, also carries Supplied second tumbler 1 of an a kind of only second chute 1a, the second chute 1a be one around through hole The closed curve slot that 1b is arranged, slide block 3 is periodic just as cam when sliding on the second chute 1a Stretch out or retract, so, being no need for during installation or removal considering that the first tumbler 2 is relative to the The problem of the rotation direction of two tumblers 1, no matter by the first tumbler 2 relative to the second tumbler 1 to Which kind of direction rotates, and can realize stretching out or retracting of slide block 3；To achieve these goals, second Chute 1a can be the ellipse coaxial with through hole 1b, or the cross section of the second chute 1a cell wall is by extremely Few three the first circular arcs and constituting for connecting the second circular arc of adjacent two first circular arcs, at least three the The opening of one circular arc is uniformly distributed towards through hole 1b and around through hole 1b circumference, the second circular arc and the first circle The center of circle of arc smooth connection and the second circular arc and through hole 1b lay respectively at the both sides of the second circular arc.

When the second chute 1a is closed curve slot, between the first tumbler 2 and the second tumbler 1 the most not The mode that can use screw-threaded coupling positions, and therefore, provides in this utility model one embodiment Another location structure, the second tumbler 1 away from the surface of the first tumbler 2 around through hole 1b arranges annular protrusion, the sidewall of annular protrusion is provided with spring catch, main shaft 22 is provided with groove, Spring catch and groove fit position the first tumbler 2 and the second tumbler 1.

In order to optimize technique scheme further, in this utility model embodiment, the second tumbler 1 It is provided with column on a side surface away from the first tumbler 2, can install coaxial with column on column And rotating handle or directly using column as handle, so, operator can one hold Handle on second tumbler 1, one holds the main shaft 22 on the first tumbler 2, both can be main shaft 22 and first tumbler 2 remain stationary as, driving handle makes the second tumbler 1 rotate, it is achieved slide block 3 Stretch out or retract, it is also possible to being handle and the second tumbler 1 remains stationary as, rotating spindle 22 so that it is band Dynamic first tumbler 2 rotates and realizes stretching out or retracting of slide block 3.

The fixing device that this utility model embodiment provides, except on the above-mentioned hole being fixed on obturator Outside, it is also possible to use as door bolt.

In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually.

Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses This utility model.Multiple amendment to these embodiments will be aobvious for those skilled in the art And be clear to, generic principles defined herein can be without departing from spirit or scope of the present utility model In the case of, realize in other embodiments.Therefore, this utility model is not intended to be limited to institute herein These embodiments shown, and it is to fit to consistent with principles disclosed herein and features of novelty the widest Scope.

Claims

1. a fixing device, it is characterized in that, including the first tumbler (2), second tumbler (1) and slide block (3), described first tumbler (2) can relatively rotate around same rotating shaft with described second tumbler (1), described slide block (3) is slidably disposed in described second tumbler (1) towards on the surface of described first tumbler (2) and can stretch out relative to the rotation of described second tumbler (1) with described first tumbler (2) outside the edge of described second tumbler (1) or in the edge of described second tumbler (1) of retracting.

Fixing device the most according to claim 1, it is characterized in that, described first tumbler (2) includes main shaft (22) and drives arm (21), described main shaft (22) for the axis through described second tumbler (1) and described main shaft (22) as described first tumbler (2) and the rotating shaft in relative rotation of described second tumbler (1), described driving arm (21) is connected on the sidewall of described main shaft (22) and is provided with on described driving arm (21) the first chute (21a) offering direction towards described second tumbler (1), the first traveller (3a) coordinated with described first chute (21a) it is provided with on the upper surface of described slide block (3).

Fixing device the most according to claim 2, it is characterized in that, described second tumbler (1) is tabular, it is provided with the through hole (1b) passed for described main shaft (22), described second tumbler (1) is provided with the second chute (1a) offering direction towards described first tumbler (2)；The second traveller (3b) for coordinating it is provided with described second chute (1a) on the lower surface of described slide block (3)；The cell wall of described first chute (21a) promotes described first traveller (3a) to make described second traveller (3b) slide along described second chute (1a) to stretch out or retract realizing described slide block (3), or, the cell wall of described second chute (1a) promotes described second traveller (3b) to make described first traveller (3a) slide along described first chute (21a) to stretch out or retract realizing described slide block (3).

Fixing device the most according to claim 3, it is characterized in that, described slide block (3) is provided with at least two, circumference around described main shaft (22) is respectively provided with distribution, corresponding, the quantity of described driving arm (21) is no less than the quantity of described slide block (3).

Fixing device the most according to claim 4, it is characterized in that, the quantity of described second chute (1a) is consistent with the quantity of described driving arm (21), described second chute (1a) is arcuate groove, and its one end is near described through hole (1b), the other end extends to the edge of described second tumbler (1), and the line at described second chute (1a) two ends is not by the center of circle of described through hole (1b).

Fixing device the most according to claim 5, it is characterised in that the center of circle of described second chute (1a) and described through hole (1b) are positioned at the same side of described second chute (1a).

Fixing device the most according to claim 5, it is characterized in that, described main shaft is provided with external screw thread on (22), it is provided with, on described through hole (1b), the female thread coordinated with described external screw thread, when described slide block (3) extend out to extreme position, described external screw thread is tightened with described screw-internal thread fit.

Fixing device the most according to claim 4, it is characterized in that, the cross section that described second chute (1a) is the ellipse coaxial with described through hole (1b) or described second chute (1a) cell wall is constituted by least three the first circular arc and for connecting the second circular arc of the first circular arc described in adjacent two, the opening of the first circular arc described at least three is uniformly distributed towards described through hole (1b) and around described through hole (1b) circumference, the center of circle of described second circular arc and described first circular arc the second circular arc in smoothing junction and described and described through hole (1b) lay respectively at the both sides of described second circular arc.

Fixing device the most according to claim 8, it is characterized in that, described second tumbler (1) is provided with annular protrusion around described through hole (1b) on the surface away from described first tumbler (2), it is provided with spring catch on the sidewall of described annular protrusion, being provided with groove on described main shaft (22), described spring catch positions described first tumbler (2) and described second tumbler (1) with described groove fit.

Fixing device the most according to claim 3, it is characterised in that described second tumbler (1) is provided with column on the side surface away from described first tumbler (2).