CN207264696U - Arc is locked - Google Patents

Abstract

The utility model belongs to LED display unit package technique field, is related to a kind of arc lock, and arc lock includes the first rotating mechanism, the second rotating mechanism and the catch assembly for connecting the first rotating mechanism and the second rotating mechanism；Catch assembly includes hasp handle, tie rod, snap lock part and button；One end of tie rod is rotatablely connected by one first rotation axis and hasp handle, and the other end of tie rod is fixedly connected with snap lock part；Hasp handle is rotatablely connected by one second rotation axis and the second rotating mechanism；First rotating mechanism is equipped with locating piece, is equipped with the limiting slot for locking snap lock part on locating piece with the second rotating mechanism opposite side；Button can toggle between lock position and unlocked position.The arc lock construction is reliable, and can effectively correct the inconsistent phenomenon between two adjacent LED display units.

Description

Arc is locked

Technical field

The utility model belongs to LED display unit package technique field, is locked more particularly to a kind of arc.

Background technology

LED display shows the various information such as word, figure, image, animation, market, video, video signal as a kind of Display screen, usually assembled by multiple LED display units by locking device.The locking device of the prior art is general It is made of two connectors and the tensioning mechanism for connecting two connectors, which includes connecting rod, cross bar, stop Piece and compression spring, connecting rod and cross bar, by rotating tensioning mechanism entirety, make through the ear of barrier sheet and two connectors The ear of two connectors is fixed between barrier sheet and cross bar, so as to fulfill fixed between LED display unit.But this lock When babinet rocks, its group of pearl easily loosens tight device, causes buckle hinge cannot fasten, structural reliability is poor, and adjacent Easily there is inconsistent phenomenon between two LED display units.Therefore, it is necessary to which it is reliable to research and develop a kind of structure, and phase can be corrected The arc lock of inconsistent phenomenon between two adjacent LED display units.

Utility model content

Technical problem to be solved in the utility model is：For the adjacent two LED display unit of the prior art Between easily there is the technical problem of inconsistent phenomenon, there is provided a kind of arc lock.

In order to solve the above technical problems, the utility model embodiment provides a kind of arc lock, including the first rotating mechanism, the Two rotating mechanisms and the catch assembly for connecting first rotating mechanism and second rotating mechanism；

The catch assembly includes hasp handle, tie rod, snap lock part and button, and one end of the tie rod leads to One first rotation axis to be crossed to be rotatablely connected with the hasp handle, the other end of the tie rod is fixedly connected with snap lock part, The hasp handle is rotatablely connected by one second rotation axis and second rotating mechanism；

First rotating mechanism is equipped with locating piece, is set on the locating piece with the second rotating mechanism opposite side It is useful for locking the limiting slot of the snap lock part；

The button can toggle between lock position and unlocked position；It is described in the lock position of the button Hasp handle described in button locking, so that the hasp handle cannot be manipulated；It is described to press in the unlocked position of the button Key releases the locking to the hasp handle, so that the hasp handle can be manipulated；

In the unlocked position of the button, the tie rod can be made around the first rotation axis phase by manipulating the hasp handle The hasp handle is rotated, so that the snap lock part departs from the limiting slot.

Alternatively, the snap lock part is fixed including lock shaft, the first lock ring, the second lock ring, the first lock ring Part and the second lock ring fixing piece；

It is small that the lock shaft includes middle major diameter section, the first path section for being arranged on the middle major diameter section both sides and second Footpath section, the junction of the middle major diameter section and first path section form First terrace, the middle major diameter section and institute The junction for stating the second path section forms second step face；

The first lock ring is set in first path section, a side end face of the first lock ring and described the One step surface contacts；

The second lock ring is set in second path section, a side end face of the second lock ring and described the Two step surfaces contact；

The first lock ring fixing piece is fixedly connected in the end face outside of first path section, first locking Ring fixing piece is used to the first lock ring being fixed on first path section；

The second lock ring fixing piece is fixedly connected in the end face outside of second path section, second locking Ring fixing piece is used to the second lock ring being fixed on second path section.

Alternatively, first rotating mechanism includes the first connector, the first cover and the first noumenon, first face Lid and the first noumenon are oppositely arranged on the both sides of first connector；

Second rotating mechanism includes the second connector, the second cover and the second body, second cover and institute State the both sides that the second body is oppositely arranged on second connector；

Lead between first cover and the first noumenon and between second cover and second body A latch assembly is crossed to be attached.

Alternatively, the hasp handle is rotatablely connected by second rotation axis and second connector, described fixed Position part is arranged on the first connector upper end, and the limiting slot is arranged on the locating piece opposite with second connector Side.

Alternatively, the latch assembly includes locking wrench, lock shaft and lock with locking wrench rotation connection Clamping joint, the lock shaft are fixed through first rotating mechanism or second rotating mechanism with the locking connector Connection；

The latch assembly can toggle between locked position and releasing position；In the locking position of the latch assembly Put, the latch assembly locks first rotating mechanism and second rotating mechanism, so that first rotating mechanism Angular adjustment cannot be carried out with second rotating mechanism；In the releasing position of the latch assembly, the latch assembly releases Locking to first rotating mechanism and second rotating mechanism, so that first rotating mechanism and second rotation Rotation mechanism can carry out angular adjustment.

Alternatively, it is both provided with the angle passed through for the lock shaft on first connector and second connector Adjustment hole；

Fastening screw is provided with the lock shaft, is both provided with first connector and second connector more A locating slot that can be spacing to the fastening screw；

The position of the locating slot is corresponded to by adjusting the fastening screw, adjusts first connector and described second The angle of connector.

Alternatively, on the lock shaft cushion block is equipped with close to the locking wrench side.

Alternatively, the first noumenon is equipped with the first lockhole passed through for the lock shaft, is set on second body There is the second lockhole passed through for the lock shaft；

The the first locking connector and be arranged on described that the locking connector includes being arranged on first cover The second locking connector on second cover.

Alternatively, angle mark and hoodle are both provided with first connector and second connector.

Alternatively, the arc lock bottom is additionally provided with least one positioning pin.

Locked according to the arc of the utility model embodiment, hasp is set between the first rotating mechanism and the second rotating mechanism Component, one end of hasp handle is rotatably connected on the second rotating mechanism, by controlling hasp handle to drive and tie rod The snap lock part of connection, makes snap lock part be placed on the limiting slot of the locating piece of the first rotating mechanism, then is made by button The position locking of hasp handle, so as to fulfill the purpose being fixedly connected to the first rotating mechanism and the second rotating mechanism；At the same time also The dislocation between two LED display units can be effectively corrected, realizes both be fixedly connected.In addition, the utility model is implemented The arc lock construction of example is simple, and reliability is high.

Brief description of the drawings

Fig. 1 is the schematic diagram for the arc lock that one embodiment of the utility model provides；

Fig. 2 is the exploded view for the arc lock that one embodiment of the utility model provides；

Fig. 3 is that the arc lock shown in Fig. 1 removes the schematic diagram (locking wrench closing) after the first cover；

Fig. 4 is the partial enlarged view at A in Fig. 3；

Fig. 5 is the front view (locking wrench opening) of Fig. 1；

Fig. 6 is the sectional view of A-A sections in Fig. 5；

Fig. 7 is the sectional view of B-B sections in Fig. 5；

Fig. 8 is the front view (locking wrench closing) of Fig. 1；

Fig. 9 is the sectional view of C-C sections in Fig. 8；

Figure 10 is the sectional view of D-D sections in Fig. 8；

Figure 11 is that the arc lock that one embodiment of the utility model provides adjusts the first connector and the second company with LED display The schematic diagram of angle between fitting；

Figure 12 is the partial enlarged view at B in Figure 11；

Figure 13 is the schematic diagram after the arc lock rotation locking wrench that one embodiment of the utility model provides；

Figure 14 is the signal that the arc lock that one embodiment of the utility model provides locks catch assembly and the first connector Figure.

Reference numeral in specification is as follows：

1st, the first rotating mechanism；101st, the first connector；1011st, locating piece；1012nd, limiting slot；102nd, the first cover； 1021st, the first locking connector；103rd, the first noumenon；1031st, the first lockhole；104th, the first fixing piece；

2nd, the second rotating mechanism；201st, the second connector；202nd, the second cover；2021st, the second locking connector；203rd, Two bodies；2031st, the second lockhole；204th, the second fixing piece；

3rd, catch assembly；301st, hasp handle；302nd, tie rod；303rd, snap lock part；3031st, lock shaft；3032nd, lock Determine ring；3033rd, locking ring fixing piece；304th, button；

4th, latch assembly；401st, locking wrench；402nd, lock shaft；403rd, fastening screw；404th, cushion block；405th, connecting shaft；

5th, the first rotation axis；

6th, the second rotation axis；

7th, locating slot；

8th, angle identifies；

9th, angle adjustment holes；

10th, hoodle；

11st, positioning pin；

12nd, storage tank.

Embodiment

In order to which the technical problem, technical solution and the beneficial effect that are solved the utility model are more clearly understood, below With reference to accompanying drawings and embodiments, the utility model is described in further detail.It is it should be appreciated that described herein specific real Example is applied only to explain the utility model, is not used to limit the utility model.

As shown in Figure 1, the arc lock that one embodiment of the utility model provides, including the first rotating mechanism 1, the second whirler Structure 2 and the catch assembly 3 for connecting the first rotating mechanism 1 and the second rotating mechanism 2.Wherein, catch assembly 3 includes hasp Handle 301, tie rod 302, snap lock part 303 and button 304, one end of tie rod 302 by one first rotation axis 5 with Hasp handle 301 is rotatablely connected, and the other end of tie rod 302 is fixedly connected with snap lock part 303；Hasp handle 301 passes through One second rotation axis 6 is rotatablely connected with the second rotating mechanism 2, and the first rotating mechanism 1 is equipped with locating piece 1011, locating piece 1011 It is upper to be equipped with the limiting slot 1012 for being used for locking snap lock part 303 with 2 opposite side of the second rotating mechanism.

Button 304 can toggle between lock position and unlocked position；In the lock position of button 304, button 304 Locking hasp handle 301, so that hasp handle 301 cannot be manipulated；In the unlocked position of button 304, the releasing pair of button 304 The locking of hasp handle 301, so that hasp handle 301 can be manipulated.In the unlocked position of button 304, hasp handle is manipulated 301 can be such that tie rod 302 is rotated around the first rotation axis 5 relative to hasp handle 301 so that snap lock part 303 depart from it is spacing Groove 1012.

Specifically, when snap lock part 303 is locked in the limiting slot 1012 of locating piece 1011, and tie rod 302 is When being tensed by the first rotation axis 5, button 304 is switched into lock position, 304 one end of button is ridden against hasp handle On 301, so as to carry out locking to hasp handle 301, the position of hasp handle 301 is set to fix and not rotatable, to realize first It is fixedly connected between 1 and second rotating mechanism 2 of rotating mechanism；When button 304 switches to unlocked position, button 304 will be disengaged from Hasp handle 301, hasp handle 301 can be rotated, and when user is rotated up hasp handle 301 along the second rotation axis 6, tense Bar 302 will be rotated along the first rotation axis 5 relative to hasp handle 301, snap lock part 303 is departed from the limiting slot of locating piece 1011 1012 locking, the first rotating mechanism 1 and the second rotating mechanism 2 separate.

It should be understood that arc lock provided in this embodiment, sets between the first rotating mechanism 1 and the second rotating mechanism 2 Catch assembly 3 is put, the snap lock part 303 being connected with tie rod 302 can be driven by first passing through control hasp handle 301, make hasp Locking piece 303 is placed in the limiting slot 1012 of the locating piece 1011 of the first rotating mechanism 1, then by controlling hasp handle 301 to make Tie rod 302 tenses, and button 304 is switched to lock position, makes 304 locking hasp handle 301 of button, so that hasp Handle 301 cannot be manipulated, so as to be fixedly connected with the first rotating mechanism 1 and the second rotating mechanism 2；It can also effectively correct two at the same time Dislocation between a LED display unit, realizes both be fixedly connected.

As shown in Fig. 2, snap lock part 303 includes lock shaft 3031, locking ring 3032 and locking ring fixing piece 3033. Specifically, lock shaft 3031 includes middle major diameter section, is arranged on the first path section and the second path section of middle major diameter section both sides, The junction of middle major diameter section and the first path section forms First terrace, the junction shape of middle major diameter section and the second path section Into second step face.Locking ring 3032 includes the first lock ring and the second lock ring, and the first lock ring is set in the first path section On, a side end face of the first lock ring is contacted with First terrace, and the second lock ring is set in the second path section, the second locking One side end face of ring is contacted with second step face.Locking ring fixing piece 3033 includes the first lock ring fixing piece and the second lock ring Fixing piece, the first lock ring fixing piece are fixedly connected in the end face outside of the first path section, and the first lock ring fixing piece is used for The first lock ring is fixed in the first path section；The second lock ring fixing piece is fixedly connected on the end face outside of the second path section On, the second lock ring fixing piece is used to the second lock ring being fixed on the second path section.

In the present embodiment, the middle major diameter section of lock shaft 3031 is integrally formed with tie rod 302, the first lock ring and Two locking rings are nylon ring, and the first lock ring fixing piece and the second lock ring fixing piece are screw.The of lock shaft 3031 The end of one path section and the second path section is respectively equipped with the screw slots being connected with screw fit, and two nylon rings are arranged respectively In the first path section and the second path section of lock shaft 3031, and by two screws respectively with the first path section and the second path Section screw slots are fixedly connected, and two nylon rings is separately fixed at the both ends of lock shaft 3031.Nylon ring is selected as the first lock Determine ring and the second lock ring, can make snap lock part 303 that there is good wearability, at the same increase snap lock part 303 with Frictional force between limiting slot 1012, makes the connection between catch assembly 3 and locating piece 1011 more firm.

Preferably, the middle major diameter section of locking ring fixing piece 3033 should be greater than the first path section and second of lock shaft 3031 The diameter of path section.In the present embodiment, the diameter of screw is more than the first path section and second path section of lock shaft 3031 Diameter, in order to which nylon ring is separately fixed at the first path section and the second path section of lock shaft 3031, that is to say Buddhist nun Long Quan is fixed in lock shaft 3031.To make its appearance more attractive, it is preferred that the diameter of locking ring fixing piece 3033 is less than locking The diameter of 3032 end of ring.

In other embodiments, the middle major diameter section of lock shaft 3031 can also be set in the end of tie rod 302, or external In the end of tie rod 302.It should be understood that if the middle major diameter section of lock shaft 3031 is set in the end of tie rod 302, The end of tie rod 302 should be equipped with through hole corresponding with the middle major diameter section diameter of lock shaft 3031, to place lock shaft 3031；If being connected on the end of tie rod 302 outside the middle major diameter section of lock shaft 3031, the end of tie rod 302, which should be equipped with, to be used In the fastener of the middle major diameter section of fixing lock dead axle 3031.

As depicted in figs. 1 and 2, in the present embodiment, the first rotating mechanism 1 includes the first connector 101, the first cover 102 and the first noumenon 103, the first cover 102 and the first noumenon 103 are symmetricly set on the both sides of the first connector 101.Second Rotating mechanism 2 includes the second connector 201, the second cover 202 and the second body 203, the second cover 202 and the second body 203 are symmetricly set on the both sides of the second connector 201.Between first cover 102 and the first noumenon 103 and the second cover 202 And second be attached by a latch assembly between body 203.It should be understood that the first connector 101 will be partially disposed in Between first cover 102 and the first noumenon 103, the second connector 201 will be partially disposed in the second cover 202 and the second body 203 Between, it can be connected between the second cover 202 and the second body 203 by modes such as bolt or buckles.

Hasp handle 301 is rotatablely connected by the second rotation axis 6 and the second connector 201, and locating piece 1011 is arranged on 101 upper end of a connection piece, limiting slot 1012 are arranged on locating piece 1011 and 201 opposite side of the second connector.It is appreciated that , one end of hasp handle 301 is rotatably connected on the second connector 201, can make hasp handle 301 along the second rotation axis 6 Rotate, user drives snap lock part 303, snap lock part 303 is departed from the first whirler by rotating hasp handle 301 The limiting slot 1012 of locating piece 1011 on structure 1, or be connected with limiting slot 1012.

In the present embodiment, it is corresponding since the both sides of lock shaft 3031 are respectively arranged with a locking ring 3032, the first rotation It will be separately positioned on rotation mechanism 1 equipped with two locating pieces being connected with locking ring 3,032 1011, two locating pieces 1011 The both sides of first rotating mechanism, 1 upper end.Further, since locking ring 3032 is hollow cylindrical structural, locking ring 3032 Lateral wall be arc-shaped curved surface, it is corresponding, on two locating pieces 1011 be used for lock locking ring 3032 limiting slot 1012 be to The arc of the 301 concave arc-shaped curved surface in place direction of hasp handle, the arc-shaped curved surface of locking ring 3032 and two limiting slots 1012 Curved surface radian is identical.

In the present embodiment, the first rotating mechanism 1 and the second rotating mechanism 2 further include a latch assembly 4.Latch assembly 4, which include locking wrench 401, the lock shaft 402 being rotatablely connected with locking wrench 401 and locking connector, lock shaft 402, passes through First rotating mechanism 1 or the second rotating mechanism 2 are fixedly connected with locking connector.

Latch assembly 4 can toggle between locked position and releasing position；In the locked position of latch assembly 4, lock Tight component 4 locks the first rotating mechanism 1 and the second rotating mechanism 2, so that the first rotating mechanism 1 and the second rotating mechanism 2 are not It can carry out angular adjustment；In the releasing position of latch assembly 4, latch assembly 4 is released to the first rotating mechanism 1 and the second whirler The locking of structure 2, so that the first rotating mechanism 1 and the second rotating mechanism 2 can carry out angular adjustment.

For convenience of carrying out angular adjustment between the first rotating mechanism 1 and the second rotating mechanism 2, the first connector 101 and the The angle adjustment holes passed through for lock shaft 402 are both provided with two connectors 102.Meanwhile positioning is provided with lock shaft 402 and is inserted Being both provided with pin 403, the first connector 101 and the second connector 201 multiple can carry out fastening screw 403 spacing positioning Groove 7.After the angle between the first rotating mechanism 1 and the second rotating mechanism 2 is regulated, locking wrench 401 is rotated, lock can be made Fastening screw 403 on mandrel 402 is limited in locating slot 7.Fastening screw is supplied it should be understood that can be equipped with lock shaft 402 403 pin holes passed through.

On lock shaft 402 cushion block 404 is equipped with close to 401 side of locking wrench.In the present embodiment, cushion block 404 selects Buddhist nun Imperial cushion block, increases the frictional force between 4 and first rotating mechanism 1 of latch assembly and the second rotating mechanism 2.

As shown in Fig. 2, the first noumenon 103 is equipped with the first lockhole 1031 passed through for lock shaft 3031, the second body 203 The second lockhole 2031 passed through for lock shaft 3031 is equipped with, locking connector includes first be arranged on the first cover 102 Locking connector 1021 and the second locking connector 2021 being arranged on the second cover 202.It should be understood that the first rotation The lock shaft 402 of mechanism 1 will lock connection through the angle adjustment holes 9 and first on the first lockhole 1031, the first connector 101 Part 1021 connects, and the lock shaft 402 of the second rotating mechanism 2 is by through the angle tune on the second lockhole 2031, the second connector 201 Knothole 9 is connected with the second locking connector 2021.

When rotation lock spanner 401, locking wrench 401 will drive lock shaft 402 to be moved to the direction of locking wrench 402 It is dynamic, the fastening screw 403 on lock shaft 402 is limited in locating slot 7, while make 103 phase of the first cover 102 and the first noumenon To fixation, it is relatively fixed the second cover 202 and the second body 203, so that the first rotating mechanism 1 and the second rotating mechanism 2 Locking, and fix the angle of the first connector 101 and the second connector 201.

In the present embodiment, arc lock bottom is additionally provided with least one positioning pin 11.As shown in Fig. 2, in the present embodiment Arc lock is equipped with four positioning pins 11, and four positioning pins 11 are separately positioned on the first rotating mechanism 1 and the second rotating mechanism 2 Bottom, by positioning pin 11 by arc locking bit on LED display unit.

As shown in Figure 3 and Figure 4, catch assembly 3 is in locking state, and the locking wrench 401 of latch assembly 4 is closed.In order to Conveniently adjusting angle and spacing, sets angled mark 8, the locking of the first rotating mechanism 1 on the side of the first connector 101 The lock shaft 402 of component 4 is connected through the angle adjustment holes 9 on the first connector 101 with the first locking connector 1021, is locked Axis 402 is connected with a fastening screw 403 close to first 1021 one end of locking connector, and fastening screw 403 passes through the first connector Locating slot 7 on 101 is fixed on the first connector 101, so that latch assembly 4 is in locking state.

In the present embodiment, the angle between two adjacent positioned grooves 7 is 2.5 °, on the side of the first connector 101 The angle of adjacent two lattice of angle mark 8 is also 2.5 °.Specifically, angle mark 8 shares 7 gears:-7.5°、-5°、- 2.5°、0°、2.5°、5°、7.5°.It should be understood that fastening screw 403 often moves a locating slot 7, the first connector is adjusted 101 and the second angle between connector 201 be 2.5 °, can clearly tell operator's angle adjusted by angle mark 8. In other embodiments, the angle between two adjacent positioned grooves 7 and angle mark 8 specific scale can according to user demand come Customization.

In the present embodiment, the first connector 101 is identical with the structure of the second connector 201, and 101 He of the first connector Angle all same between the scale and locating slot 7 of angle mark 8 on second connector 201, therefore no longer connected to second The structure of part 201 is repeated.In other embodiments, the structure of the first connector 101 and the second connector 201 can be according to reality Border needs to customize, the angle between the scale and locating slot 7 of the first connector 101 and 201 upper angle of the second connector mark 8 It can be customized according to being actually needed, different scale or angle can also be selected.

Preferably, the first connector 101 and the second connector 201 are equipped with the side wall of locating slot 7 and are additionally provided with least one A hoodle 10, hoodle 10 select squeezable elastic construction, are imitated with supporting the first cover 102 or increasing the locking of latch assembly 4 Fruit.

As shown in Fig. 5 to Figure 10, the first cover 102 and the outside of the second cover 202 be equipped with one be used for house first lock The storage tank 12 of connector 1021.Temporarily connected by the first fixing piece 104 between first cover 102 and the first noumenon 103, the Temporarily connected by the second fixing piece 204 between two covers 202 and the second body 203.Locking wrench 401 is cam spanner, lock Connected between spanner 401 and lock shaft 402 by connecting shaft 405, and connecting shaft 405 arrives cushion block during the opening of locking wrench 401 404 distance is less than the distance that connecting shaft 405 when locking wrench 401 is closed arrives cushion block 404.

When catch assembly 3 is in locking state, and the locking wrench 401 of latch assembly 4 is opened (as shown in Figures 5 to 7), First locking connector 1021 is by positioned at the opening of storage tank 1022.When catch assembly 3 is in locking state, latch assembly 4 Locking wrench 401 close when (as shown in Fig. 8 to Figure 10), first locking connector 1021 will be moved with lock shaft 402, be located at Close to 101 side of the first connector in storage tank 1022.

As is illustrated by figs. 11 and 12, during the installation of arc lock, first adjust between the first connector 101 and the second connector 201 Angle to suitable position；After adjustment, 401 90 ° of locking wrench is rotated so that lock shaft 402 moves along its axis, such as Figure 13 It is shown, so that fastening screw 403 is stuck in locating slot 7, realize the first connector 101, the first cover 102 and the first noumenon 103 locking, and the locking of the second connector 201, the second cover 202 and the second body 203；Then, as shown in figure 14, will Catch assembly 3 is locked with the first connector 101, completes installation.

Locked according to the arc of the utility model embodiment, set and take between the first rotating mechanism 1 and the second rotating mechanism 2 Buckle assembly 3, one end of hasp handle 301 is rotatably connected on the second rotating mechanism 2, and hasp handle is controlled by button 304 301 lockup state.When snap lock part 303 is locked in the limiting slot 1012 of locating piece 1011, and tie rod 302 has led to When crossing the tension of the first rotation axis 5, button 304 is switched into lock position, makes 304 locking hasp handle 301 of button, so that Hasp handle 301 cannot be manipulated, and position is relatively fixed between the first rotating mechanism 1 and the second rotating mechanism 2, so as to effectively rectify Dislocation between just two LED display units, realizes both be fixedly connected.Meanwhile the arc of the utility model embodiment Lock construction is simple, and reliability is high.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (10)

1. a kind of arc lock, it is characterised in that including the first rotating mechanism, the second rotating mechanism and connection first rotation The catch assembly of mechanism and second rotating mechanism；

The catch assembly includes hasp handle, tie rod, snap lock part and button, and one end of the tie rod passes through one First rotation axis is rotatablely connected with the hasp handle, and the other end of the tie rod is fixedly connected with snap lock part, described Hasp handle is rotatablely connected by one second rotation axis and second rotating mechanism；

First rotating mechanism is equipped with locating piece, is equipped with and uses with the second rotating mechanism opposite side on the locating piece In the limiting slot for locking the snap lock part；

The button can toggle between lock position and unlocked position；In the lock position of the button, the button Hasp handle described in locking, so that the hasp handle cannot be manipulated；In the unlocked position of the button, the button solution Except the locking to the hasp handle, so that the hasp handle can be manipulated；

In the unlocked position of the button, manipulating the hasp handle can make the tie rod around first rotation axis with respect to institute The rotation of hasp handle is stated, so that the snap lock part departs from the limiting slot.

2. arc lock according to claim 1, it is characterised in that the snap lock part includes lock shaft, the first locking Ring, the second lock ring, the first lock ring fixing piece and the second lock ring fixing piece；

The lock shaft includes middle major diameter section, is arranged on the first path section and the second path of the middle major diameter section both sides Section, the junction of the middle major diameter section and first path section form First terrace, the middle major diameter section with it is described The junction of second path section forms second step face；

The first lock ring is set in first path section, a side end face and the First of the first lock ring Terrace contacts；

The second lock ring is set in second path section, a side end face of the second lock ring with described second Terrace contacts；

The first lock ring fixing piece is fixedly connected in the end face outside of first path section, and the first lock ring is consolidated Determine part to be used to the first lock ring being fixed on first path section；

The second lock ring fixing piece is fixedly connected in the end face outside of second path section, and the second lock ring is consolidated Determine part to be used to the second lock ring being fixed on second path section.

3. arc according to claim 1 or 2 lock, it is characterised in that first rotating mechanism include the first connector, First cover and the first noumenon, first cover and the first noumenon are oppositely arranged on the two of first connector Side；

Second rotating mechanism includes the second connector, the second cover and the second body, second cover and described Two bodies are oppositely arranged on the both sides of second connector；

Pass through one between first cover and the first noumenon and between second cover and second body Latch assembly is attached.

4. arc lock according to claim 3, it is characterised in that the hasp handle passes through second rotation axis and institute The rotation connection of the second connector is stated, the locating piece is arranged on the first connector upper end, and the limiting slot is arranged on described On locating piece with the second connector opposite side.

5. arc lock according to claim 3, it is characterised in that the latch assembly includes locking wrench and the lock The lock shaft and locking connector, the lock shaft of spanner rotation connection pass through first rotating mechanism or described second Rotating mechanism is fixedly connected with the locking connector；

The latch assembly can toggle between locked position and releasing position；In the locked position of the latch assembly, The latch assembly locks first rotating mechanism and second rotating mechanism；In the releasing position of the latch assembly, The latch assembly releases the locking to first rotating mechanism and second rotating mechanism.

6. arc lock according to claim 5, it is characterised in that on first connector and second connector It is provided with the angle adjustment holes passed through for the lock shaft；

Fastening screw is provided with the lock shaft, be both provided with first connector and second connector it is multiple can The locating slot spacing to the fastening screw；

The position of the locating slot is corresponded to by adjusting the fastening screw, adjusts first connector and second connection The angle of body.

7. arc lock according to claim 6, it is characterised in that set on the lock shaft close to the locking wrench side There is cushion block.

8. the arc lock according to claim 6 or 7, it is characterised in that the first noumenon, which is equipped with, supplies the lock shaft The first lockhole passed through, second body are equipped with the second lockhole passed through for the lock shaft；

The the first locking connector and be arranged on described second that the locking connector includes being arranged on first cover The second locking connector on cover.

9. arc lock according to claim 8, it is characterised in that on first connector and second connector Angled mark and hoodle are set.

10. arc lock according to claim 1, it is characterised in that the arc lock bottom is additionally provided with least one positioning Pin.