CN114541752B - Locking device for building template connection - Google Patents

Abstract

The invention relates to a connecting and locking device, in particular to a connecting and locking device for a building template. The invention provides a connecting and locking device for building templates, which has good connecting stability and can be used for connecting templates with different angles. The invention provides a connecting and locking device for a building template, which comprises a T-shaped frame, a first connecting spring, a first hinging block, a second hinging block and the like, wherein a cavity is formed in the right side of the T-shaped frame, the first hinging block is arranged in the cavity in a sliding mode, the first connecting spring is connected between the first hinging block and the T-shaped frame, a shaft rod penetrates through the right part of the first hinging block in a rotating mode, and the second hinging block is sleeved on the shaft rod. Fix the template through the screw, make two templates be close to, rethread cardboard blocks hollow block to this can make the template link together steadily, through the cooperation of first articulated piece and second articulated piece, rotatory T shape frame can connect the template that the angle is different.

Description

Locking device for building template connection

Technical Field

The invention relates to a connecting and locking device, in particular to a connecting and locking device for a building template.

Background

The building templates is a temporary supporting and protecting structure, is a tool used frequently in buildings, and needs to connect and lock two adjacent templates when the templates are used, so that the templates can be supported more stably and safely, when the locking device in the prior art is used for connecting and locking building templates, the supporting pieces on the device are required to be respectively supported against the supporting pieces on the side surfaces of the templates and the supporting pieces on the bottom surfaces of the templates through iron nails, and the connecting stability and the firmness are poor and the use is inconvenient.

According to patent grant publication number CN211257832U, the connection locking device for building templates of bulletin day 20200814, including first board and second board, first board with corresponding recess has all been seted up to second board outer wall both sides, first board has been seted up the fixed board that is equipped with two in quantity of recess inner wall, fixed being equipped with the round bar between the fixed board that is two in quantity, movable sleeve is equipped with first fly leaf on the round bar. When the connecting and locking device for the building templates is used, firstly, two templates are contacted and are respectively installed on the fixed plate and the installation plate through the installation screw, and then, the two templates are mutually tensioned through the elasticity of the first telescopic spring piece, so that the connecting stability of the method is poor, and the templates with different angles cannot be connected.

According to the defects in the prior art, the connecting locking device for the building templates, which can overcome the defects in the prior art, has better connecting stability and can connect templates with different angles, is designed.

Disclosure of Invention

The invention aims to overcome the defects that the connecting stability is poor and templates with different angles cannot be connected in the prior art, and the technical problem to be solved by the invention is to provide the connecting and locking device for the building templates, which has good connecting stability and can be used for connecting templates with different angles.

In order to solve the technical problems, the invention provides the connecting and locking device for the building templates, which comprises a T-shaped frame, a first connecting spring, a first hinging block, a second hinging block, an L-shaped plate, a mounting mechanism, an adjusting mechanism and a locking mechanism, wherein a cavity is formed in the right side of the T-shaped frame, the first hinging block is arranged in the cavity in a sliding mode, the first connecting spring is connected between the first hinging block and the T-shaped frame, a shaft rod penetrates through the right part of the first hinging block in a rotating mode, the second hinging block is sleeved on the shaft rod, the right side of the second hinging block is connected with the L-shaped plate, sliding grooves are symmetrically formed in the front side and the rear side of the top of the T-shaped frame, the mounting mechanism for clamping the templates is arranged between the T-shaped frame and the L-shaped plate, the L-shaped plate is provided with the adjusting mechanism for adapting to the angle, and the locking mechanism for fixing the templates is arranged on the sliding grooves.

Preferably, the installation mechanism comprises a sliding plate, a first nut and a screw, wherein the sliding plates are arranged on the lower sides of the T-shaped frame and the L-shaped plate in a sliding mode, the first nuts are symmetrically arranged on the separated sides of the two sliding plates in a front-back mode, and the screw used for clamping the template penetrates through the first nuts in a threaded mode.

Preferably, the adjusting mechanism comprises a first handle, a first clamping block, a first reset spring and a ratchet gear, the ratchet gear is sleeved at the front end and the rear end of the shaft rod, the first clamping block in contact with the ratchet gear penetrates through the front side and the rear side of the left part of the L-shaped plate in a sliding mode, the first reset spring for applying acting force is connected between the first clamping block and the L-shaped plate, and the first handle for grasping is connected between the right sides of the two first clamping blocks.

Preferably, the locking mechanism is including second handle, hollow block, second reset spring, the installation piece, the cardboard, the connecting plate, first stay cord, guide block and ordinary spring, be equipped with hollow block on the spout slidingtype, be connected with second reset spring between hollow block and the T shape frame, be connected with the second handle between two hollow block upside, symmetry is equipped with the installation piece around the L shaped plate left part upside, slidingtype cover is equipped with the cardboard that can contact with hollow block on the installation piece, be connected with ordinary spring between cardboard and the homonymy installation piece, L shaped plate left and right sides lower part bilateral symmetry is equipped with the guide block, the cardboard right side is connected with the connecting plate, all be connected with the first stay cord that is used for power transmission on one side in opposite directions of two connecting plate lower parts, first stay cord slidingtype runs through in the guide block and links to each other with first handle.

Preferably, the template moving device further comprises an auxiliary mechanism for quickly moving the template, the auxiliary mechanism comprises a guide rod, a first screw rod, second nuts, a coupler and second screw rods, the second nuts are symmetrically arranged on the upper sides of opposite ends of the two sliding plates, the second nuts on the left side and the right side respectively penetrate through the T-shaped frame and the L-shaped plate in a sliding mode, the guide rods penetrating through the second nuts are symmetrically arranged on the front side and the rear side of the top of the L-shaped plate, the first screw rods are sleeved with the first screw rods in a hinging mode on the guide rods, the first screw rods penetrate through the second nuts close to each other in a threaded mode, the second screw rods used for transmission are rotatably arranged on the front side and the rear side of the top of the T-shaped frame, threads on the second screw rods are opposite to those on the first screw rods, and the coupler used for adapting to the rotation of the T-shaped frame is connected between the second screw rods and the first screw rods on the same side.

Preferably, the quick positioning device further comprises a limiting mechanism for enabling the template to be positioned quickly, the limiting mechanism comprises limiting silica gel plates, guide pipes and second pull ropes, the limiting silica gel plates for limiting the template are arranged on opposite sides of the two sliding plates in a sliding mode, the guide pipes are symmetrically penetrated through on opposite sides of the two sliding plates, the second pull ropes for transmitting power are symmetrically arranged on upper sides of the two limiting silica gel plates in a front-back mode, and tail ends of the second pull ropes are slidably penetrated through the similar guide pipes and are connected with similar screws.

Preferably, the fixing mechanism comprises a pressing rod, a pressing block, a sliding block, a fourth reset spring and a second connecting spring, wherein the sliding block is arranged on the left side of the top of the first hinging block, the fourth reset spring is connected between the sliding block and the first hinging block, the pressing block which can be contacted with the sliding block is arranged on the upper side of the right part of the T-shaped frame in a sliding manner, the second connecting spring is connected between the pressing block and the T-shaped frame, and the pressing rod which can be contacted with the pressing block is connected on the lower side of the middle part of the second handle.

Preferably, the clamping mechanism for assisting the installation mechanism comprises a pressing plate, a guide plate, a third reset spring and a second clamping block, wherein the guide plate is symmetrically arranged on the front side and the rear side of the left part of the first hinging block, the second clamping block which can be in contact with the ratchet wheel is arranged on the guide plate in a sliding mode, the third reset spring is connected between the second clamping block and the guide plate on the same side, and the pressing plate which is in contact with the second clamping block on the same side is symmetrically arranged on the front side and the rear side of the sliding block.

On the basis of overcoming the defects of the prior art, the invention can also achieve the following beneficial effects:

1. fix the template through the screw, make two templates be close to, rethread cardboard blocks hollow block to this can make the template link together steadily, through the cooperation of first articulated piece and second articulated piece, rotatory T shape frame can connect the template that the angle is different.

2. When the templates are connected, one sides of the templates at the left side and the right side, which are opposite, are contacted with one sides of the limiting silica gel plates at the left side and the right side respectively, so that the templates can be aligned with the sliding plates rapidly, the time for connecting the templates is saved, and meanwhile, the templates are connected more accurately.

3. Optimize on translation and rotatory basis, when rotatory T shape frame, the slider is in the same place fixed T shape frame and first articulated piece to this rotation that makes T shape frame is more stable, and when translation T shape frame, the second fixture block can move right and block ratchet wheel, with this translation that makes T shape frame more stable.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partial perspective sectional view of the present invention.

Fig. 3 is a perspective view of a first part of the jamming mechanism and securing mechanism of the present invention.

Fig. 4 is a sectional view of a second partial perspective of the latching mechanism and securing mechanism of the present invention.

Fig. 5 is a schematic perspective view of the mounting mechanism of the present invention.

Fig. 6 is a schematic perspective view of a limiting mechanism according to the present invention.

Fig. 7 is a schematic perspective view of the locking mechanism and the adjusting mechanism of the present invention.

Fig. 8 is a schematic perspective view of the auxiliary mechanism of the present invention.

Fig. 9 is a schematic perspective view of an adjusting mechanism according to the present invention.

The marks in the drawings are: the device comprises a T-shaped frame, 11-sliding grooves, 12-first connecting springs, 2-first pull ropes, 68-guide blocks, 69-normal springs, 7-auxiliary mechanisms, 71-guide rods, 72-first screw rods, 73-second nuts, 74-couplings, 75-second screw rods, 8-limit mechanisms, 81-limit silica gel plates, 82-guide pipes, 83-second pull ropes, 9-clamping mechanisms, 91-pressing plates, 92-guide plates, 93-third return springs, 94-second clamping blocks, 10-fixing mechanisms, 103-pressing plates, 101-second clamping mechanisms, 101-second return springs, 64-installation blocks, 65-clamping plates, 66-connecting plates, 67-first pull ropes, 7-auxiliary mechanisms, 71-guide rods, 72-first screw rods, 73-second screw rods, 74-couplings, 8-limit mechanisms, 81-limit silica gel plates, 82-guide pipes, 83-second pull ropes, 9-clamping mechanisms, 91-pressing plates, 94-third return springs, and four compression springs.

Detailed Description

The invention is further described below with reference to the drawings and examples.

Example 1

A locking device for building templates connects, as shown in fig. 1, fig. 2, fig. 6, fig. 7 and fig. 9, including T shape frame 1, first connecting spring 12, first articulated piece 2, second articulated piece 21, L shaped plate 3, installation mechanism 4, adjustment mechanism 5 and locking mechanism 6, open on T shape frame 1 right side has the cavity, the slidingtype is equipped with first articulated piece 2 in the cavity, be connected with first connecting spring 12 between first articulated piece 2 and the T shape frame 1, first articulated piece 2 right part rotation has the axostylus axostyle throughout, the bolt has second articulated piece 21 on the axostylus axostyle, second articulated piece 21 right side bolt has L shaped plate 3, bilateral symmetry opens around T shape frame 1 top has spout 11, be provided with installation mechanism 4 between T shape frame 1 and the L shaped plate 3, be provided with adjustment mechanism 5 on the L shaped plate 3, be provided with locking mechanism 6 on the spout 11.

As shown in fig. 2 and 6, the mounting mechanism 4 includes a sliding plate 41, a first nut 42 and a screw 43, the sliding plates 41 are respectively provided on the lower sides of the t-shaped frame 1 and the L-shaped plate 3, the first nuts 42 are respectively welded symmetrically on the opposite sides of the two sliding plates 41, and the screw 43 is threaded through the first nuts 42.

As shown in fig. 9, the adjusting mechanism 5 includes a first handle 51, a first clamping block 52, a first return spring 53 and a ratchet gear 54, the ratchet gear 54 is sleeved at the front and rear ends of the shaft rod, the first clamping block 52 contacting with the ratchet gear 54 is slidably penetrated at the front and rear sides of the left part of the L-shaped plate 3, the first return spring 53 is connected between the first clamping block 52 and the L-shaped plate 3, and the first handle 51 is bolted between the right sides of the two first clamping blocks 52.

As shown in fig. 7, the locking mechanism 6 includes a second handle 61, a hollow block 62, a second return spring 63, a mounting block 64, a clamping plate 65, a connecting plate 66, a first pull rope 67, a guide block 68 and a common spring 69, the hollow block 62 is slidably disposed on the chute 11, the second return spring 63 is connected between the hollow block 62 and the T-shaped frame 1, the second handle 61 is welded between the upper sides of the two hollow blocks 62, the mounting block 64 is symmetrically welded on the upper left side of the l-shaped plate 3, the clamping plate 65 capable of contacting the hollow block 62 is slidably disposed on the mounting block 64, the common spring 69 is connected between the clamping plate 65 and the same side mounting block 64, the guide block 68 is symmetrically bolted on the front and rear sides of the lower left side of the l-shaped plate 3, the connecting plate 66 is welded on the right side of the lower side of the two connecting plates 66, and the first pull rope 67 slidably penetrates through the guide block 68 and is connected with the first handle 51.

Firstly, an operator places two templates to be connected on the lower sides of the sliding plates 41 on the left side and the right side respectively, the opposite sides of the templates on the left side and the right side are aligned with the opposite sides of the sliding plates 41 on the left side and the right side respectively, then rotates the screw 43 clockwise, the screw 43 moves downwards on the first nut 42 in a spiral manner, the screw 43 is screwed into the templates, the lower side surface of the T-shaped frame 1 and the lower side surface of the L-shaped plate 3 are parallel, the two templates are parallel with each other, when the right side template is fixed, the operator drives the hollow block 62 to move rightwards through the second handle 61, the second return spring 63 stretches, when the hollow block 62 moves to the limit position on the chute 11, the hollow block 62 drives the T-shaped frame 1 to move rightwards, the first connecting spring 12 compresses, during the process, the hollow block 62 moves rightwards and the clamping plate 65 is extruded, the common spring 69 compresses, the hollow block 62 moves right to release the clamping plate 65, the common spring 69 resets, the clamping plate 65 moves reversely under the action of the common spring 69 resets and clamps the hollow block 62, so that the two templates are always in a parallel state, at this time, the T-shaped frame 1 surrounds the second hinging block 21 and contacts with the L-shaped plate 3, an operator drives the left Fang Moban to move right through the left sliding plate 41, so that the distance between the two templates can be adjusted, when the two templates need to be contacted, because the right template is fixed, the operator continuously moves the left sliding plate 41 to the right to the limit position, then the L-shaped plate 3 moves right on the right sliding plate 41, the L-shaped plate 3 drives the T-shaped frame 1 to move right through the clamping plate 65, so that the two templates can be contacted, when the angle of the two templates needs to be changed, the first clamping block 52 initially clamps the ratchet gear 54, the operator pulls the first handle 51 rightward at first, the first handle 51 pulls the first pull rope 67 rightward, the first pull rope 67 pulls the connecting plate 66 to move through the cooperation of the guide block 68, the connecting plate 66 drives the clamping plate 65 to move to loosen the hollow block 62, the first connecting spring 12 and the second return spring 63 reset, the hollow block 62 moves to the left to reset under the reset action of the second return spring 63, the T-shaped frame 1 moves away from the L-shaped plate 3 and the second hinging block 21 under the reset action of the first connecting spring 12, at the same time, the first handle 51 moves rightward to drive the first clamping block 52 to move rightward to loosen the ratchet gear 54, the first return spring 53 compresses, the operator can rotate the T-shaped frame 1 downwards by taking the shaft rod as the center of a circle through the second handle 61 to be close to the L-shaped plate 3, the T-shaped frame 1 drives the left templates to rotate through the sliding plate 41, and the two templates at the moment squeeze each other, the unfixed templates are forced to drive the sliding plate 41 to move so as to change the angle between the two templates, then an operator releases the first handle 51, the first return spring 53 is reset, the first clamping block 52 moves leftwards under the action of the reset of the first return spring 53 to clamp the ratchet gear 54 again so as to fix the two unfixed templates, the operator drives the first clamping block 52 to move rightwards to loosen the ratchet gear 54 through the first handle 51 again, the first return spring 53 is compressed, then the operator reversely rotates the T-shaped frame 1 by taking the shaft rod as the center of a circle to be far away from the L-shaped plate 3, the T-shaped frame 1 is parallel to the L-shaped plate 3 again, the first handle 51 is loosened, the first return spring 53 is reset, the first clamping block 52 moves leftwards to clamp the ratchet gear 54 again under the action of the reset of the first return spring 53 so as to reset the T-shaped frame 1, the operator rotates the screw 43 anticlockwise again, thereby enabling the screw 43 to be screwed out of the form.

Example 2

On the basis of embodiment 1, as shown in fig. 1, 6 and 8, the auxiliary mechanism 7 further comprises an auxiliary mechanism 7, the auxiliary mechanism 7 comprises a guide rod 71, a first screw rod 72, a second screw nut 73, a coupler 74 and a second screw rod 75, the second screw nuts 73 are symmetrically welded on the upper sides of opposite ends of the two sliding plates 41, the second screw nuts 73 on the left side and the right side respectively penetrate through the T-shaped frame 1 and the L-shaped plate 3 in a sliding mode, the guide rods 71 penetrating through the second screw nuts 73 are symmetrically arranged on the front side and the rear side of the top of the L-shaped plate 3, the first screw rods 72 are sleeved on the guide rods 71 in a hinged mode, the first screw rods 72 penetrate through the second screw nuts 73 in a similar mode in a threaded mode, the second screw rods 75 are rotatably arranged on the front side and the rear side of the top of the T-shaped frame 1, the second screw rods 75 are opposite to the threads on the first screw rods 72, and the coupler 74 is connected between the second screw rods 75 and the first screw rods 72 on the same side.

When two templates are close, the T-shaped frame 1 moves rightwards to drive the second screw rod 75 to move rightwards, the second screw rod 75 drives the first screw rod 72 to slide rightwards on the guide rod 71 through the coupler 74, the second screw nut 73 is clamped by the L-shaped plate 3 at the moment, the first screw rod 72 moves rightwards to drive the second screw rod 75 to rotate clockwise through the coupler 74, when the T-shaped frame 1 contacts the L-shaped plate 3, an operator drives the second screw rod 75 to rotate anticlockwise through the coupler 74, the second screw rod 75 and the first screw rod 72 rotate anticlockwise to drive the second nuts 73 on the left side and the right side to be close respectively, the second screw nut 73 drives the two sliding plates 41 to be close, so that the two templates can be quickly closed, the operator rotates the second screw rod 75 anticlockwise, the two templates are far away, and when the T-shaped frame 1 needs to rotate, the T-shaped frame 1 can rotate normally through the coupler 74.

Example 3

On the basis of embodiment 2, as shown in fig. 1, 5 and 6, the device further comprises a limiting mechanism 8, wherein the limiting mechanism 8 comprises a limiting silica gel plate 81, a guide pipe 82 and a second pull rope 83, the limiting silica gel plates 81 used for limiting the templates are arranged on one sides of the two sliding plates 41 in opposite directions in a sliding mode, the guide pipes 82 are symmetrically penetrated from front to back on the sides of the two sliding plates 41 in opposite directions, the second pull ropes 83 used for transmitting power are symmetrically arranged on the upper sides of the two limiting silica gel plates 81 in a front to back mode, and the tail ends of the second pull ropes 83 are slidably penetrated through the similar guide pipes 82 and are connected with the similar screws 43.

The operator makes the opposite sides of the left and right templates contact with the opposite sides of the left and right limiting silica gel plates 81, so that the templates can be aligned with the sliding plate 41 rapidly, when the operator rotates the screw 43 clockwise to screw the screws into the templates, the screw 43 rotates clockwise to wind the second pull rope 83, the second pull rope 83 pulls the limiting silica gel plates 81 upwards through the guide pipes 82, so that the limiting silica gel plates 81 can be retracted, when the operator rotates the screw 43 anticlockwise to screw the screws out of the templates, the screw 43 rotates anticlockwise to loosen the second pull rope 83, and the limiting silica gel plates 81 move downwards to reset under the action of gravity.

Example 4

On the basis of embodiment 3, as shown in fig. 1, 2 and 3, the fixing mechanism 10 is further comprised, the fixing mechanism 10 comprises a compression bar 101, a compression block 102, a sliding block 103, a fourth return spring 104 and a second connecting spring 105, the sliding block 103 is arranged on the left side of the top of the first hinging block 2 in a sliding manner, the fourth return spring 104 is connected between the sliding block 103 and the first hinging block 2, the compression block 102 capable of contacting with the sliding block 103 is arranged on the upper side of the right part of the T-shaped frame 1 in a sliding manner, the second connecting spring 105 is connected between the compression block 102 and the T-shaped frame 1, and the compression bar 101 capable of contacting with the compression block 102 is bolted to the lower side of the middle part of the second handle 61.

As shown in fig. 2, 3 and 4, the device further comprises a clamping mechanism 9, the clamping mechanism 9 comprises a pressing plate 91, a guide plate 92, a third return spring 93 and a second clamping block 94, the guide plate 92 is symmetrically bolted on the front and back sides of the left part of the first hinging block 2, the second clamping block 94 which can be contacted with the ratchet gear 54 is slidably arranged on the guide plate 92, the third return spring 93 is connected between the second clamping block 94 and the guide plate 92 on the same side, and the pressing plate 91 which is contacted with the second clamping block 94 on the same side is symmetrically arranged on the front and back sides of the sliding block 103.

Initially, the T-shaped frame 1 and the first hinging block 2 are fixed together by the sliding block 103 at this time, the T-shaped frame 1 is fixed and cannot translate, so that the rotation of the T-shaped frame 1 can be more stable, the second handle 61 can drive the pressing rod 101 to move rightwards and press the extrusion block 102 to move downwards when moving rightwards, the second connecting spring 105 compresses, the pressing block moves downwards and can press the sliding block 103 to move downwards, the fourth reset spring 104 compresses, the sliding block 103 at this time is staggered with the T-shaped frame 1, the T-shaped frame 1 can translate normally, meanwhile, the sliding block 103 moves downwards and can drive the pressing plate 91 to move downwards and press the second clamping block 94 to move rightwards, the third reset spring 93 compresses, the second clamping block 94 moves rightwards and clamps the ratchet gear 54, the T-shaped frame 1 is fixed and cannot rotate at this time, so that the translation of the T-shaped frame 1 can be more stable, the second handle 61 moves leftwards and drives the pressing rod 101 to move leftwards and unclamp the extrusion block 102, the second connecting spring 105 resets, the extrusion block 102 moves upwards, the extrusion block 103 moves upwards under the action of the second connecting spring 105 resets, the sliding block 103 moves upwards, the sliding block 103 resets, the fourth reset spring 103 moves upwards, and the fourth reset spring 104 moves upwards along with the fourth reset spring 2, and the reset block moves upwards and the fourth reset spring is fixed with the hinging block 1.

The foregoing examples have shown only the preferred embodiments of the invention, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that modifications, improvements and substitutions can be made by those skilled in the art without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (8)

1. A be used for building templates to connect locking device, including T shape frame (1), first connecting spring (12), first articulated piece (2), second articulated piece (21) and L shaped plate (3), it has the cavity to open on T shape frame (1) right side, sliding type is equipped with first articulated piece (2) in the cavity, be connected with first connecting spring (12) between first articulated piece (2) and the T shape frame (1), first articulated piece (2) right part rotation is run through there is the axostylus axostyle, the cover is equipped with second articulated piece (21) on the axostylus axostyle, second articulated piece (21) right side is connected with L shaped plate (3), both sides symmetry is opened around T shape frame (1) top has spout (11), a serial communication port, still including installation mechanism (4), adjustment mechanism (5) and locking mechanism (6), be provided with between T shape frame (1) and L shaped plate (3) and be used for blocking installation mechanism (4) of template, be provided with on L shaped plate (3) adjustment mechanism (5) that are used for adaptation angle, be provided with on spout (11) locking mechanism (6).

2. The connecting and locking device for the building templates according to claim 1, wherein the mounting mechanism (4) comprises a sliding plate (41), a first nut (42) and a screw (43), the sliding plates (41) are arranged on the lower sides of the T-shaped frame (1) and the L-shaped plate (3) in a sliding mode, the first nuts (42) are symmetrically arranged on the separated sides of the two sliding plates (41), and the screw (43) used for clamping the templates is penetrated through the first nuts (42) in a threaded mode.

3. The connecting and locking device for the building templates according to claim 2, wherein the adjusting mechanism (5) comprises a first handle (51), a first clamping block (52), a first reset spring (53) and a ratchet gear (54), the ratchet gear (54) is sleeved at the front end and the rear end of the shaft rod, the first clamping block (52) contacted with the ratchet gear (54) is penetrated through the front side and the rear side of the left part of the L-shaped plate (3) in a sliding mode, the first reset spring (53) for applying acting force is connected between the first clamping block (52) and the L-shaped plate (3), and the first handle (51) for grasping is connected between the right sides of the two first clamping blocks (52).

4. The locking device for building template connection according to claim 3, wherein the locking mechanism (6) comprises a second handle (61), a hollow block (62), a second return spring (63), a mounting block (64), a clamping plate (65), a connecting plate (66), a first pull rope (67), a guide block (68) and a common spring (69), wherein the hollow block (62) is slidably arranged on the sliding chute (11), the second return spring (63) is connected between the hollow block (62) and the T-shaped frame (1), the second handle (61) is connected between the upper sides of the two hollow blocks (62), the mounting block (64) is symmetrically arranged on the upper side of the left part of the L-shaped plate (3), the clamping plate (65) is slidably sleeved with the clamping plate (65) which can be contacted with the hollow block (62), the common spring (69) is connected between the clamping plate (65) and the mounting block (64) on the same side, the guide block (68) is symmetrically arranged on the front and back sides of the lower left part of the L-shaped plate (3), the connecting plate (65) is connected with the connecting plate (66) on the right side, and the lower part of the two connecting plates (66) is connected with the first pull rope (67) in a penetrating mode.

5. The connecting and locking device for building templates according to claim 4, further comprising an auxiliary mechanism (7) for quickly moving the templates, wherein the auxiliary mechanism (7) comprises a guide rod (71), a first screw rod (72), a second nut (73), a coupler (74) and a second screw rod (75), the second nuts (73) are symmetrically arranged on the upper sides of opposite ends of the two sliding plates (41), the second nuts (73) on the left side and the right side respectively penetrate through the T-shaped frame (1) and the L-shaped plate (3) in a sliding mode, guide rods (71) penetrating through the second nuts (73) are symmetrically arranged on the front side and the rear side of the top of the L-shaped plate (3), the first screw rod (72) is sleeved on the guide rod (71) in a hinged mode, the first screw rod (72) penetrates through the second nuts (73) in a threaded mode, the second screw rods (75) for transmission are rotatably arranged on the front side and the rear side of the top of the T-shaped frame (1), the second screw rods (75) are similar to the second screw rods (75) on the first screw rod (72), and the opposite sides of the screw rods (72) are in a rotary mode, and the coupler (1) is adapted to the rotary mode.

6. The connecting and locking device for the building templates according to claim 5, further comprising a limiting mechanism (8) for enabling the templates to be positioned rapidly, wherein the limiting mechanism (8) comprises limiting silica gel plates (81), guide pipes (82) and second pull ropes (83), the limiting silica gel plates (81) for limiting the templates are arranged on opposite sides of the two sliding plates (41) in a sliding mode, the guide pipes (82) are symmetrically penetrated from front to back on the opposite sides of the two sliding plates (41), the second pull ropes (83) for transmitting power are symmetrically arranged on the upper sides of the two limiting silica gel plates (81), and tail ends of the second pull ropes (83) are slidably penetrated through the similar guide pipes (82) and are connected with similar screws (43).

7. The connecting and locking device for the building formwork according to claim 6, further comprising a fixing mechanism (10) for assisting the adjusting mechanism (5), wherein the fixing mechanism (10) comprises a pressing rod (101), a pressing block (102), a sliding block (103), a fourth return spring (104) and a second connecting spring (105), the sliding block (103) is arranged on the left side of the top of the first hinging block (2), the fourth return spring (104) is connected between the sliding block (103) and the first hinging block (2), the pressing block (102) capable of being contacted with the sliding block (103) is arranged on the upper side of the right part of the T-shaped frame (1), the second connecting spring (105) is connected between the pressing block (102) and the T-shaped frame (1), and the pressing rod (101) capable of being contacted with the pressing block (102) is connected on the lower side of the middle part of the second handle (61).

8. The connecting and locking device for the building templates according to claim 7, further comprising a clamping mechanism (9) for assisting the installation mechanism (4), wherein the clamping mechanism (9) comprises a pressing plate (91), a guide plate (92), a third reset spring (93) and a second clamping block (94), the guide plate (92) is symmetrically arranged on the front side and the rear side of the left part of the first hinging block (2), the second clamping block (94) which can be contacted with the ratchet gear (54) is slidably arranged on the guide plate (92), the third reset spring (93) is connected between the second clamping block (94) and the guide plate (92) on the same side, and the pressing plate (91) which is contacted with the second clamping block (94) on the same side is symmetrically arranged on the front side and the rear side of the sliding block (103).