CN207177273U - Clamping device - Google Patents

Abstract

The utility model is a kind of clamping device, it includes a column and two clamping structures, it is connected with inside the column, the plectrum at lower interval, on two clamping structure, lower compartment of terrain is fixed in the column, each clamping structure includes a shell, one self-locking device, one first elastic component, one cam button and one second elastic component, and the shell is in away from one recess of formation at the outer tube, the self-locking device is hubbed at the enclosure and leant with the plectrum, first elastic component is hubbed in the shell and is sheathed on outside the self-locking device, the cam button is hubbed at the enclosure and leant with the self-locking device, second elasticity is hubbed in the shell and is sheathed on outside the cam button, the utility model is set automatically to be combined when a support bar is combined, convenience during use is significantly increased.

Description

Clamping device

Technical field

The utility model is on a kind of clamping device, espespecially a kind of clamping dress for being used to build scaffold and fast demountable Put.

Background technology

Typically during site construction, scaffold can be set up by building in construction, allow the worker of construction can be Climbed by the building, facilitate worker to be constructed, existing scaffold includes multiple columns and multiple cross bars, and each cross bar is fixed in On corresponding column so that the plurality of column is in crisscross with the plurality of cross bar, however, between existing column and cross bar Installation inconvenience, and the scaffold for being stepped up has danger installing.

To solve the missing of the installation inconvenience between the column and cross bar of existing scaffold, inventor's exploitation of the present utility model Go out a kind of TW patent No.s M515579 " clamping device and its Assisted Combinatorial frame ", it is with pulling setting for rope by torque spring Meter, enables aforementioned patent to be quickly installed, and significantly improves its security, however, aforementioned patent interlocks with a support bar During conjunction, rotary sleeve need to be rotated, it is operationally slightly inconvenient, therefore foregoing patent also has the possibility improved.

Utility model content

To solve the fender rod of existing scaffold when building or removing, it is both needed to expend substantial amounts of manpower and time, and causes The inconvenience of construction, main purpose of the present utility model are to provide a kind of clamping device, the utility model be by two elastic components, The design of one self-locking device and a cam button, make the utility model when a support bar is combined, without rotating turning set, i.e., It can automatically combine, convenience during use is significantly increased.

The utility model solves the clamping device that prior art problem is proposed, it includes：

One column, it includes an outer tube, an interior bar, two plectrums and two turning sets, and the interior bar is arranged in the interior of the outer tube Portion and can be rotated relative to the outer tube, the upper and lower compartment of terrain of two plectrums is fixed in the interior bar, and each plectrum wherein one end stretch out it is outer Pipe, two turning set are rotatably respectively arranged in the outside pipe and are connected with the interior bar, and two turning set relatively should When outer tube rotates, the interior bar is also with respect to the outer tube synchronous axial system；And

Two clamping structures, the upper and lower compartment of terrain of two clamping structures are fixed in the outer tube, each clamping structure include a shell, One self-locking device, one first elastic component, a cam button and one second elastic component, and the shell is recessed away from forming one at the outer tube Mouthful, the self-locking device is hubbed at the enclosure and leant with a wherein plectrum, and first elastic component is hubbed in the shell simultaneously It is sheathed on outside the self-locking device, the cam button is hubbed at the enclosure and leant with the self-locking device, and second elasticity is pivoted In in the shell and being sheathed on outside the cam button, the self-locking device is allowed to keep the trend rotated counterclockwise, and the cam button is kept The trend that clockwise rotates.

Foregoing clamping device, wherein the cam button are C font fastener of the opening towards the recess, and the cam button is remote From the recess side formed with an abutment face, one end of the abutment face and the self-locking device close to the recess leans, and this is convex Wheel, which is buckled in by abutment face, is arranged with a locating notch.

Foregoing clamping device, the wherein self-locking device are the fastener of a V-shape.

The outer circumferential surface ring of foregoing clamping device, the wherein outer tube is arranged with the installation circular rabbet at two upper and lower intervals, should Two turning sets are rotationally sheathed on two installation circular rabbets of the outer tube.

Foregoing clamping device, wherein first elastic component are a torque spring.

Foregoing clamping device, wherein second elastic component are a torque spring.

Had the beneficial effect that obtained by technological means of the present utility model：

1. the utility model with a support bar when being interlocked, without rotating two turning set, it is only necessary to pass through the support bar Against the cam button, the cam button is set to rotate a little, you can automatically to allow the support bar to buckle conjunction with the cam, being significantly increased makes The convenience of used time, staff is allowed to reach the time saving effect with lifting security in practical application.

2. for the utility model when departing from a support bar, two turning set only needs small size rotation, you can allows the self-locking Device is rotated clockwise, and the cam button rotates clockwise, and the Discussing Convenience in operation can be lifted significantly.

Brief description of the drawings

Fig. 1 is the stereoscopic figure of the utility model preferred embodiment.

Fig. 2 is the partial enlargement stereoscopic figure of the utility model preferred embodiment.

Fig. 3 is the stereoscopic exploded view of the utility model preferred embodiment.

Fig. 4 is the stereo appearance figure for being applied to scaffold assembling in the utility model preferred embodiment.

Fig. 5 is the Operation Profile top view of the utility model preferred embodiment.

Fig. 6 is the stereoscopic figure when turning set of the utility model preferred embodiment rotates.

Fig. 7 is another Operation Profile top view of the utility model preferred embodiment.

Primary clustering symbol description：

The outer tube of 10 column 11

The 111 installation guide channels of circular rabbet 1110

The 1111 accommodating interior bars of ditch 12

121 guide blocks 122 are with motion block

The turning set of 13 plectrum 14

The clamping structure of 15 screw 20

The bottom plate of 21 shell 211

The top plate of 212 linking part 213

2130 214 receiving spaces of perforation

The self-lock rod of 215 recess 22

23 against the cam lever of bar 24

The self-locking device of 25 gag lever post 26

The cam button of 27 first elastic component 28

The locating notch of 281 abutment face 282

The elastic component of 283 clipping mouth 29 second

Embodiment

Coordinate schema and preferred embodiment of the present utility model below, it is predetermined real to reach that the utility model is expanded on further The technological means taken with new purpose.

The preferred embodiment of clamping device provided by the utility model as shown in Figure 1 to Figure 3, it include a column 10 with And two clamping structures 20, wherein：

As shown in Figure 1 to Figure 3, the column 10 includes an outer tube 11, an interior bar 12, two plectrums 13 and two turning sets 14, The outer tube 11 is a hollow tube, and the outer circumferential surface ring of the outer tube 11 is arranged with the installation circular rabbet 111 at two upper and lower intervals, and The outer tube 11 is extended radially through provided with a horizontal guide channel 1110, in addition, the outer tube 11 in the range of the two installations circular rabbet 111 The accommodating ditch 1111 provided with two upper and lower intervals is extended radially through at different from the two installations circular rabbet 111, the interior bar 12 is arranged in this The inside of outer tube 11 and can be rotated relative to the outer tube 11, the interior bar 12 ring convex in the range of each mounting ring convex portion 1111 are led Block 121, and a screw 15 wears corresponding guide channel 1110 and is locked in the guide block 121, in addition, the interior bar 12 is in each accommodating ditch Ring convex have a band motion block 122 at 1111, and two plectrum 13 is laterally locked in the two bands motion block 122, allows two plectrum 26 to divide respectively The outer tube 11 is not laterally passed by the two accommodating ditch 1111, two turning set 14 is rotatably respectively arranged in the two of the outer tube 11 Install on circular rabbet 111, and foregoing screw 14 wears and is locked on corresponding turning set 14, makes two turning set 14 relative When the outer tube 11 rotates, the interior bar 12 is also with respect to the synchronous axial system of outer tube 11.

As shown in Figure 2 to Figure 3, two clamping structure 20 is arranged at intervals on the column 10, and each clamping structure 20 includes one Shell 21, a self-lock rod 22, one against bar 23, a cam lever 24, a gag lever post 25, a self-locking device 26, one first elastic component 27, One cam button 28 and one second elastic component 29, the shell 21 include a bottom plate 211, two linking parts 212 and a top plate 213, The bottom plate 211 is the plate body of U-shaped shape, and two linking part 212 is shaped in two free ends of the bottom plate 211 respectively, and this two Linking part 212 is a upright plate body, and the top plate 213 is U-shaped plate body, two free ends of the top plate 213 respectively one into Type is in two linking part 212 so that form a receiving space 214 between the bottom plate 211 and the top plate 213, and the shell 21 in A recess 215 is formed between two linking part 212, the top plate 213, which uprightly runs through, is provided with four perforation 2130, this four perforation 2130 It is interspersed, and perforates 2130 two-by-two in line,

The self-lock rod 22, one is arranged in four perforation 2130 respectively against bar 23, a cam lever 24, a gag lever post 25, its In, the self-lock rod 22 against bar 23 in a straight line with should be set, and the cam lever 24 is set with the gag lever post 25 in a straight line.

The self-locking device 26 is hubbed at the self-lock rod 22, and the self-locking device 26 is the fastener of a V-shape, and the plectrum 13 is close One end of the recess 215 leans with the one end of the self-locking device 26 away from the recess 215, first elastic component 27 rotationally pivot Located at the self-lock rod 22, and first elastic component 27 surrounds the outside of the self-locking device 27, the both ends difference of first elastic component 27 This is resisted against against bar 23 and the self-locking device 27 close to one end of the recess 215 so that the self-locking device 26 keeps turning counterclockwise Dynamic trend, it is preferable that first elastic component 27 is a torque spring.

The cam button 28 is hubbed at the cam lever 24, and the cam button 28 is C font button of the opening towards the recess 215 Part, and the side of the cam button 28 away from the recess 215, formed with an abutment face 281, the abutment face 281 is a cambered surface and should be certainly One end of lock device 26 close to the recess 215 leans, and the cam button 28 is arranged with a locating notch 282 by abutment face 281, The locating notch 282 is V-shape shape breach of the opening towards the self-locking device 26, and the cam button 28 is between its two free end Formed with a clipping mouth 283, second elastic component 29 is rotatably hubbed at the cam lever 24, and second elastic component 29 surrounds In the outside of the cam button 28, the both ends of second elastic component 29 are born against in the gag lever post 25 and the middle position of cam button 28 Free end inside the recess 215 so that the cam button 28 keeps the trend that clockwise rotates, it is preferable that second bullet Property part 29 is a torque spring.

As shown in figs. 4 and 5, when the utility model is intended to be combined with the support bar 41 of a scaffold 40, it is only necessary to which this two is pressed from both sides The recess 215 of structure 20 is closed towards the support bar 41 so that the cam button 28 is located at free end inside the recess 215 by this The pushing and pressing of support bar 41, and allow the cam button 28 to turn to counterclockwise, same to time, the clipping mouth 283 of the cam button 28 clamps the branch Strut 41, and the free end of the support bar 41 and the shell 21 leans, and the self-locking device 26 supports close to one end of the recess 215 The locating notch 282 of the cam button 28 is against, because of the strength of second elastic component 29 so that the cam button 28 keeps clockwise to turn Dynamic trend, and the strength of first elastic component 27 so that the self-locking device 26 keeps the trend that rotates counterclockwise, allows the support Bar 41 can stablize by clipping between the shell 21 and the cam button 28.

As shown in Figures 6 and 7, relatively, when the support bar 41 is intended to depart from the utility model, first by two turning set 14 relative to the outer tube 11 rotate a counterclockwise angle, allow the interior bar 12 with respect to the outer tube 11 rotation one counterclockwise angle, the same to time, Two plectrum 13 rotates with the interior bar 12, and because two plectrum 13 is remote close to one end of the recess 215 and the self-locking device 26 One end of the recess 215 leans, and allows the self-locking device 26 rotating clockwise a little, and allows the self-locking device 26 close to the recess 215 one end slides into the abutment face 281 by the locating notch 282 of the cam button 28, and because of the strength of second elastic component 29, So that the cam button 28 keeps the trend that clockwise rotates, and the strength of first elastic component 27 so that the self-locking device 26 is protected The trend rotated counterclockwise is held, allows the cam button 28 to return back to home position, and the support bar 41 can be with two clamping structure 20 Depart from.

Compared to aforementioned patent during being interlocked with a support bar, it is both needed to rotate rotary sleeve, operationally slightly The deficiency of inconvenience, the utility model is when a support bar 41 is combined, without rotating two turning set 14, you can automatically knot Close, convenience during use is significantly increased, staff is reached the time saving effect with lifting security in practical application Fruit.

Described above is only preferred embodiment of the present utility model, not the utility model is done any formal Limitation, although the utility model is disclosed above with preferred embodiment, but is not limited to the utility model, any to be familiar with Professional and technical personnel, in the range of technical solutions of the utility model are not departed from, when in the technology using the disclosure above Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model Hold, any simple modification, equivalent change and modification made according to the technical essence of the utility model to above example, still Belong in the range of technical solutions of the utility model.

Claims (6)

1. a kind of clamping device, it is characterised in that it includes：

One column, it includes an outer tube, an interior bar, two plectrums and two turning sets, the interior bar be arranged in the inside of the outer tube and It can be rotated relative to the outer tube, the upper and lower compartment of terrain of two plectrums is fixed in the interior bar, and outer tube is stretched out in each plectrum wherein one end, should Two turning sets are rotatably respectively arranged in the outside pipe and are connected with the interior bar, and two turning set turns with respect to the outer tube When dynamic, the interior bar is also with respect to the outer tube synchronous axial system；And

Two clamping structures, the upper and lower compartment of terrain of two clamping structures are fixed in the outer tube, and each clamping structure includes a shell, one certainly Device, one first elastic component, a cam button and one second elastic component are locked, and the shell forms a recess at the remote outer tube, The self-locking device is hubbed at the enclosure and leant with a wherein plectrum, and first elastic component is hubbed in the shell and is arranged Outside the self-locking device, the cam button is hubbed at the enclosure and leant with the self-locking device, and second elasticity is hubbed at this In shell and it is sheathed on outside the cam button, allows the self-locking device to keep the trend rotated counterclockwise, and the cam button keeps up time The trend that clock rotates.

2. clamping device according to claim 1, it is characterised in that the cam button is C word of the opening towards the recess Type fastener, and the side of the cam button away from the recess be formed with an abutment face, the abutment face and the self-locking device are close to the recess One end lean, and the cam is buckled in by abutment face and is arranged with a locating notch.

3. clamping device according to claim 2, it is characterised in that the self-locking device is the fastener of a V-shape.

4. clamping device according to claim 3, it is characterised in that it is upper and lower that the outer circumferential surface ring of the outer tube is arranged with two The installation circular rabbet at interval, two turning set are rotatably sheathed on two installation circular rabbets of the outer tube.

5. clamping device according to any one of claim 1 to 4, it is characterised in that first elastic component is a torsion Spring.

6. clamping device according to any one of claim 1 to 4, it is characterised in that second elastic component is a torsion Spring.