阅读说明：本技术 一种固定效果好的广告牌 (Billboard with good fixing effect ) 是由 陈说 于 2021-06-02 设计创作，主要内容包括：本发明涉及一种固定效果好的广告牌,包括主体、支架、固定机构和限位机构,限位机构和固定机构均设置在主体上,限位机构包括限位组件和鼓气组件,拉杆上设有锁定组件,锁定组件包括锁定单元和定位单元,该固定效果好的广告牌,通过固定机构实现主体的固定,通过限位机构对主体进行限位,该装置通过固定机构、限位机构和支撑组件对主体进行多重限位和固定,实现更好的固定效果,同时固定机构和限位机构采用联动,实现了一键锁定和解锁,同时该机构采用纯机械结构,提高了装置的稳定性和使用寿命,且该装置避免了螺栓、螺丝等零件的使用,通过简单的按压和拉动即可实现锁定和解锁,拆装简单方便,提高了实用性。(The invention relates to a billboard with good fixing effect, which comprises a main body, a bracket, a fixing mechanism and a limiting mechanism, wherein the limiting mechanism and the fixing mechanism are arranged on the main body, the limiting mechanism comprises a limiting component and an air blowing component, a pull rod is provided with a locking component, the locking component comprises a locking unit and a positioning unit, the billboard with good fixing effect is fixed by the fixing mechanism, the main body is limited by the limiting mechanism, the device is used for carrying out multiple limiting and fixing on the main body by the fixing mechanism, the limiting mechanism and a supporting component, so that better fixing effect is realized, meanwhile, the fixing mechanism and the limiting mechanism adopt linkage, one-key locking and unlocking are realized, meanwhile, the mechanism adopts a pure mechanical structure, the stability and the service life of the device are improved, the device avoids the use of parts such as bolts, screws and the like, and can realize locking and unlocking by simple pressing and pulling, the dismounting is simple and convenient, and the practicability is improved.)

1. The billboard with a good fixing effect is characterized by comprising a main body (1), a support, a fixing mechanism and a limiting mechanism, wherein the support is provided with a chute, one end of the main body (1) is positioned in the chute, the main body (1) is in sliding connection with the chute, and the limiting mechanism and the fixing mechanism are both arranged on the main body (1);

the fixing mechanism comprises two fixing components, the two fixing components are arranged on two sides of the main body (1) respectively, each fixing component comprises a fixing pipe (2), a clamping rod (3) and a first spring (4), the fixing pipes (2) are arranged on the main body (1), one end of each clamping rod (3) is located in the corresponding fixing pipe (2), the other end of each clamping rod (3) extends out of the corresponding fixing pipe (2), each clamping rod (3) is connected with the corresponding fixing pipe (2) in a sliding mode, a clamping groove is formed in each sliding groove, one end, located outside the corresponding fixing pipe (2), of each clamping rod (3) extends into the corresponding clamping groove, the first springs (4) are arranged in the corresponding fixing pipes (2), one ends of the first springs (4) are connected with the corresponding fixing pipes (2), and the other ends of the first springs (4) are connected with the clamping rods (3);

the limiting mechanism comprises two limiting assemblies and an air blowing assembly, the two limiting assemblies are respectively arranged at two sides of the main body (1), the limiting assembly comprises two limiting units, the two limiting units are respectively arranged at two ends of the main body (1), each limiting unit comprises a push rod (5), a roller (6) and a second spring (7), a groove is formed in the main body (1), one end of each push rod (5) is located in the groove, the other end of each push rod (5) extends out of the groove, the push rods (5) are in sliding connection with the grooves, a strip-shaped groove is formed in each sliding groove, one end, located out of the grooves, of each push rod (5) extends into the strip-shaped groove, each roller (6) is arranged at one end, located in the strip-shaped groove, of each push rod (5), each roller (6) is in rolling connection with the strip-shaped groove, and each second spring (7) is arranged in each groove, one end of the second spring (7) is connected with the groove, the other end of the second spring (7) is connected with the push rod (5), the air blowing assembly comprises a sleeve (8), a piston rod (9), a third spring (10), a pull rod (11), a pull rope (12) and an air bag (13), the sleeve (8) is arranged on one side, away from the clamping rod (3), of the fixed pipe (2), one end of the piston rod (9) is located in the sleeve (8), the other end of the piston rod (9) extends out of the sleeve (8), a piston of the piston rod (9) is in sealing connection with the sleeve (8), the third spring (10) is sleeved on the piston rod (9), the third spring (10) is located in the sleeve (8), one end of the third spring (10) is connected with the piston of the piston rod (9), and the other end of the third spring (10) is connected with the sleeve (8), pull rod (11) set up the one end that is located sleeve pipe (8) outside piston rod (9), the one end and the pull rod (11) of stay cord (12) are connected, the other end of stay cord (12) stretches into in fixed pipe (2) and is connected with kelly (3), gasbag (13) set up in the recess, the one end and the groove connection of gasbag (13), the other end and the push rod (5) of gasbag (13) are connected, gasbag (13) are through trachea and the inside intercommunication of sleeve pipe (8).

2. The billboard with good fixing effect according to claim 1, wherein the pull rod (11) is provided with a locking assembly, the locking assembly comprises a locking unit and a positioning unit, the locking unit comprises a locking tube (14), a moving block (15), a pressure lever (16), a locking rod (17) and a fourth spring (18), the shrinking tube is arranged on the pull rod (11), the moving block (15) is arranged in the shrinking tube, the moving block (15) is slidably connected with the locking tube (14), the pressure lever (16) and the locking rod (17) are respectively arranged on two sides of the moving block (15), the main body (1) is provided with two locking grooves, one end of the locking rod (17) is positioned in one of the locking grooves, the fourth spring (18) is sleeved on the pressure lever (16), the fourth spring (18) is positioned in the locking tube (14), and one end of the fourth spring (18) is connected with the locking tube (14), the other end of the fourth spring (18) is connected with the moving block (15), the number of the positioning units is two, the two positioning units are respectively arranged on two sides of the moving block (15), each positioning unit comprises a positioning rod (19) and a fifth spring (20), a positioning groove is formed in the moving block (15), one end of each positioning rod (19) is located in the corresponding positioning groove, the other end of each positioning rod (19) extends out of the corresponding positioning groove, the positioning rods (19) are connected with the corresponding positioning grooves in a sliding mode, a limiting groove is formed in the lock tube (14), one end, located outside the corresponding positioning groove, of each positioning rod (19) extends into the corresponding limiting groove, the fifth springs (20) are arranged in the corresponding positioning grooves, one ends of the fifth springs (20) are connected with the corresponding positioning grooves, and the other ends of the fifth springs (20) are connected with the corresponding positioning rods (19).

3. The billboard with good fixing effect according to claim 1, wherein the main body (1) is provided with a support assembly, the support assembly comprises two support units, the two support units are respectively arranged on two sides of the main body (1), the support units comprise a support rod (21), a sliding block (22) and a pulley (23), one end of the support rod (21) is hinged to the main body (1), the other end of the support rod (21) extends into the chute, the support rod (21) is obliquely arranged, the sliding block (22) is arranged at one end of the support rod (21) located in the chute, the sliding block (22) is hinged to the support rod (21), the sliding block (22) is connected with the chute in a sliding manner, the pulley (23) is arranged on the sliding block (22), the pulley (23) is located in the strip-shaped groove, and the pulley (23) is connected with the strip-shaped groove in a rolling manner.

4. The billboard with good fixing effect according to claim 3, wherein the support rod (21) is provided with a pressing unit, the pressing unit comprises a limiting rod (24), a limiting block (25), a pressing block (26) and a sixth spring (27), the limiting rod (24) is arranged on the main body (1), the limiting block (25) is arranged at one end of the limiting rod (24) far away from the main body (1), the support rod (21) is provided with a walking groove, the limiting rod (24) penetrates through the walking groove, the limiting rod (24) is in sliding connection with the walking groove, the pressing block (26) is sleeved on the limiting rod (24), the pressing block (26) is in sliding connection with the limiting rod (24), the pressing block (26) is arranged between the support rod (21) and the limiting block (25), the pressing block (26) abuts against the support rod (21), and the sixth spring (27) is sleeved on the limiting rod (24), one end of the sixth spring (27) is connected with the limiting block (25), and the other end of the sixth spring (27) is connected with the pressing block (26).

5. The signboard with good fixing effect as claimed in claim 1, wherein the frame comprises a base (28) and a fixing rod (29), the fixing rod (29) is disposed on the base (28), and the sliding groove and the strip-shaped groove are disposed on the fixing rod (29).

6. The billboard with good fixing effect according to claim 2, wherein the cross section of the positioning groove is arc-shaped, the cross section of one end of the positioning rod (19) positioned in the positioning groove is arc-shaped, and the circle center of the arc-shaped cross section of the positioning rod (19) coincides with the circle center of the arc-shaped cross section of the positioning groove.

Technical Field

The invention relates to a billboard with good fixing effect.

Background

The billboard is an outdoor medium for transmitting advertisement information, is widely applied to places such as streets, shops, doorplanes and the like, and generally has the modes of advertisement printing, advertisement curtains, electronic screens and the like.

Present bill-board is generally fixed through bolt or screw, and after using for a long time, the corrosion will take place for bolt, screw to cause smooth silk, will influence fixed effect, in case when strong wind weather, the bill-board can take place to drop, causes the threat to near pedestrian's safety, when adopting bolt or screw to fix simultaneously, need installer to use electric drill or screwdriver to carry out the dismouting, the operation is comparatively inconvenient, consumes great manpower and efficiency not high.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the billboard with good fixing effect is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a billboard with good fixing effect comprises a main body, a support, a fixing mechanism and a limiting mechanism, wherein the support is provided with a chute, one end of the main body is positioned in the chute, the main body is connected with the chute in a sliding manner, and the limiting mechanism and the fixing mechanism are both arranged on the main body;

the fixing mechanism comprises two fixing assemblies, the two fixing assemblies are respectively arranged on two sides of the main body, each fixing assembly comprises a fixing pipe, a clamping rod and a first spring, the fixing pipe is arranged on the main body, one end of each clamping rod is located in the fixing pipe, the other end of each clamping rod extends out of the fixing pipe, the clamping rods are connected with the fixing pipes in a sliding mode, clamping grooves are formed in the sliding grooves, one end, located out of the fixing pipe, of each clamping rod extends into the clamping grooves, the first springs are arranged in the fixing pipes, one ends of the first springs are connected with the fixing pipes, and the other ends of the first springs are connected with the clamping rods;

the limiting mechanism comprises two limiting assemblies and an air blowing assembly, the two limiting assemblies are arranged on two sides of the main body respectively and comprise two limiting units, the two limiting units are arranged at two ends of the main body respectively and comprise push rods, idler wheels and second springs, grooves are formed in the main body, one ends of the push rods are located in the grooves, the other ends of the push rods extend out of the grooves and are connected with the grooves in a sliding mode, strip-shaped grooves are formed in the chutes, one ends of the push rods, which are located out of the grooves, extend into the strip-shaped grooves, the idler wheels are arranged at one ends of the push rods, which are located in the strip-shaped grooves, the idler wheels are connected with the strip-shaped grooves in a rolling mode, the second springs are arranged in the grooves, one ends of the second springs are connected with the grooves, the other ends of the second springs are connected with the push rods, and the air blowing assembly comprises a sleeve, Piston rod, third spring, pull rod, stay cord and gasbag, the sleeve pipe sets up the one side of keeping away from the kelly at fixed pipe, the one end of piston rod is located the sleeve pipe, the other end of piston rod stretches out the sleeve pipe outside, the piston and the sleeve pipe sealing connection of piston rod, the third spring housing is established on the piston rod, the third spring is located the sleeve pipe, the one end and the piston connection of piston rod of third spring, the other end and the bushing of third spring, the pull rod sets up the one end that is located the sleeve pipe outside at the piston rod, the one end and the pull rod of stay cord are connected, the other end of stay cord stretches into in the fixed pipe and is connected with the kelly, the gasbag sets up in the recess, the one end and the groove connection of gasbag, the other end and the push rod of gasbag are connected, the gasbag passes through trachea and the inside intercommunication of sleeve pipe.

In order to realize better fixing effect, a locking assembly is arranged on the pull rod and comprises a locking unit and a positioning unit, the locking unit comprises a lock pipe, a moving block, a pressure rod, a lock rod and a fourth spring, the contracting pipe is arranged on the pull rod, the moving block is arranged in the contracting pipe, the moving block is connected with the lock pipe in a sliding manner, the pressure rod and the lock rod are respectively arranged on two sides of the moving block, two locking grooves are arranged on the main body, one end of the lock rod is positioned in one of the locking grooves, the fourth spring is sleeved on the pressure rod, the fourth spring is positioned in the lock pipe, one end of the fourth spring is connected with the lock pipe, the other end of the fourth spring is connected with the moving block, the two positioning units are respectively arranged on two sides of the moving block, the positioning unit comprises a positioning rod and a fifth spring, and a positioning groove is arranged on the moving block, one end of the positioning rod is located in the positioning groove, the other end of the positioning rod extends out of the positioning groove, the positioning rod is connected with the positioning groove in a sliding mode, a limiting groove is formed in the lock tube, one end, located outside the positioning groove, of the positioning rod extends into the limiting groove, the fifth spring is arranged in the positioning groove, one end of the fifth spring is connected with the positioning groove, and the other end of the fifth spring is connected with the positioning rod.

In order to support the main part, realize better fixed effect, be equipped with supporting component in the main part, supporting component includes two support element, and two support element set up the both sides in the main part respectively, support element includes branch, slider and pulley, the one end and the main part of branch are articulated, the other end of branch stretches into in the spout, the branch slope sets up, the slider sets up the one end that is located the spout at branch, the slider is articulated with branch, slider and spout sliding connection, the pulley sets up on the slider, the pulley is located the bar inslot, pulley and bar groove roll connection.

In order to realize better supporting effect, be equipped with down on the branch and press the unit, it includes gag lever post, stopper, briquetting and sixth spring to press the unit down, the gag lever post sets up in the main part, the stopper sets up the one end of keeping away from the main part at the gag lever post, be equipped with the groove of walking on the branch, the gag lever post passes the groove of walking, gag lever post and walking groove sliding connection, the briquetting cover is established on the gag lever post, briquetting and gag lever post sliding connection, the briquetting is located between branch and the stopper, the briquetting supports with branch and leans on, the sixth spring housing is established on the gag lever post, the one end and the stopper of sixth spring are connected, the other end and the briquetting of sixth spring are connected.

In order to support the device, the support comprises a base and a fixing rod, the fixing rod is arranged on the base, and the sliding groove and the strip-shaped groove are both arranged on the fixing rod.

In order to enable the positioning rod to move, the cross section of the positioning groove is arc-shaped, the cross section of one end, located in the positioning groove, of the positioning rod is arc-shaped, and the circle center of the arc-shaped cross section of the positioning rod coincides with the circle center of the arc-shaped cross section of the positioning groove.

The billboard with a good fixing effect has the advantages that the fixing of the main body is realized through the fixing mechanism, the main body is limited through the limiting mechanism, compared with the existing fixing device, the device can realize better fixing effect by multiple limiting and fixing of the main body through the fixing mechanism, the limiting mechanism and the supporting assembly, meanwhile, the fixing mechanism and the limiting mechanism are linked, one-key locking and unlocking are realized, meanwhile, the mechanism adopts a pure mechanical structure, the stability and the service life of the device are improved, the device avoids the use of parts such as bolts, screws and the like, the locking and unlocking can be realized through simple pressing and pulling, the dismounting is simple and convenient, and the practicability is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the billboard of the present invention with good fixing effect;

FIG. 2 is a schematic view of the connection structure of the fixing mechanism and the limiting mechanism of the billboard with good fixing effect of the invention;

FIG. 3 is a schematic structural diagram of a position-limiting component of the billboard with good fixing effect of the invention;

FIG. 4 is a schematic structural view of a locking assembly of the billboard of this invention with good fixing effect;

in the figure: 1. the safety device comprises a main body, 2 parts of a fixed pipe, 3 parts of a clamping rod, 4 parts of a first spring, 5 parts of a push rod, 6 parts of a roller, 7 parts of a second spring, 8 parts of a sleeve, 9 parts of a piston rod, 10 parts of a third spring, 11 parts of a pull rod, 12 parts of a pull rope, 13 parts of an air bag, 14 parts of a lock pipe, 15 parts of a moving block, 16 parts of a pressure rod, 17 parts of a lock rod, 18 parts of a fourth spring, 19 parts of a positioning rod, 20 parts of a fifth spring, 21 parts of a support rod, 22 parts of a sliding block, 23 parts of a pulley, 24 parts of a limiting rod, 25 parts of a limiting block, 26 parts of a pressing block, 27 parts of a sixth spring, 28 parts of a base and 29 parts of a fixing rod.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, a billboard with good fixing effect comprises a main body 1, a support, a fixing mechanism and a limiting mechanism, wherein the support is provided with a chute, one end of the main body 1 is positioned in the chute, the main body 1 is connected with the chute in a sliding manner, and the limiting mechanism and the fixing mechanism are both arranged on the main body 1;

when the device is used, the fixing of the main body 1 is realized through the fixing mechanism, and the movement of the main body 1 is limited through the limiting mechanism.

As shown in fig. 2, the fixing mechanism includes two fixing assemblies, the two fixing assemblies are respectively disposed on two sides of the main body 1, the fixing assemblies include a fixing tube 2, a clamping rod 3 and a first spring 4, the fixing tube 2 is disposed on the main body 1, one end of the clamping rod 3 is located in the fixing tube 2, the other end of the clamping rod 3 extends out of the fixing tube 2, the clamping rod 3 is slidably connected with the fixing tube 2, a clamping groove is disposed in the sliding groove, one end of the clamping rod 3 located outside the fixing tube 2 extends into the clamping groove, the first spring 4 is disposed in the fixing tube 2, one end of the first spring 4 is connected with the fixing tube 2, and the other end of the first spring 4 is connected with the clamping rod 3;

place the one end of main part 1 in the spout, pulling kelly 3, make kelly 3 move into in the fixed pipe 2, then upwards promote main part 1 to the support top, kelly 3 is just right with the draw-in groove this moment, then loosen kelly 3, first spring 4 is in compression state this moment, the restoring force of first spring 4 produces outside thrust to kelly 3, thereby make kelly 3 card go into in the draw-in groove, thereby fix kelly 3, thereby make main part 1 unable reciprocate, thereby fix the upper and lower direction of main part 1.

As shown in fig. 2-3, the limiting mechanism comprises two limiting assemblies and an air blowing assembly, the two limiting assemblies are respectively arranged at two sides of the main body 1, the limiting assembly comprises two limiting units, the two limiting units are respectively arranged at two ends of the main body 1, the limiting units comprise a push rod 5, a roller 6 and a second spring 7, a groove is arranged on the main body 1, one end of the push rod 5 is positioned in the groove, the other end of the push rod 5 extends out of the groove, the push rod 5 is connected with the groove in a sliding manner, a strip-shaped groove is arranged in the groove, one end of the push rod 5, which is positioned outside the groove, extends into the strip-shaped groove, the roller 6 is arranged at one end of the push rod 5, which is positioned in the strip-shaped groove, the roller 6 is connected with the strip-shaped groove in a rolling manner, the second spring 7 is arranged in the groove, one end of the second spring 7 is connected with the groove, the other end of the second spring 7 is connected with the push rod 5, the air blowing assembly comprises a sleeve 8, a piston rod 9, a third spring 10, a pull rod 11, a pull rope 12 and an air bag 13, the sleeve 8 is arranged on one side, away from the clamping rod 3, of the fixed pipe 2, one end of the piston rod 9 is located in the sleeve 8, the other end of the piston rod 9 extends out of the sleeve 8, a piston of the piston rod 9 is hermetically connected with the sleeve 8, the third spring 10 is sleeved on the piston rod 9, the third spring 10 is located in the sleeve 8, one end of the third spring 10 is connected with the piston of the piston rod 9, the other end of the third spring 10 is connected with the sleeve 8, the pull rod 11 is arranged at one end, located out of the sleeve 8, of the piston rod 9, one end of the pull rope 12 is connected with the pull rod 11, the other end of the pull rope 12 extends into the fixed pipe 2 to be connected with the clamping rod 3, and the air bag 13 is arranged in the groove, one end of the air bag 13 is connected with the groove, the other end of the air bag 13 is connected with the push rod 5, and the air bag 13 is communicated with the interior of the sleeve 8 through an air pipe.

When the main body 1 is installed, the roller 6 is pressed, the roller 6 drives the push rod 5 to move, the push rod 5 moves into the groove, the roller 6 can move into the chute, when the roller 6 moves to the strip-shaped groove, the roller 6 cannot be blocked by the strip-shaped groove, under the action of restoring force of the second spring 7, the second spring 7 pushes the push rod 5 to move outwards, the roller 6 moves into the strip-shaped groove, the roller 6 can only move upwards and downwards along the axial direction of the strip-shaped groove, the main body 1 cannot be selected leftwards and rightwards, the left and right directions of the main body 1 are positioned, when the roller 6 is pressed, the push rod 5 compresses the air bag 13, air in the air bag 13 enters the sleeve 8 through the air pipe, air pressure in the sleeve 8 is increased, and thrust generated by the air pressure to the piston rod 9 is increased, thereby the thrust generated by the air pressure pushes the piston rod 9 to move outwards, the piston rod 9 drives the pull rod 11 to move outwards, the pull rod 11 drives the pull rope 12 to move, the pull rope 12 drives the clamping rod 3 to move, thereby the clamping rod 3 moves into the fixed tube 2, thereby the roller 6 and the clamping rod 3 can move into the groove and the fixed tube 2 respectively by pressing the roller 6, the operation is convenient, at the moment, the air bag 13 and the third spring 10 are both in a compression state, the restoring force of the air bag 13 generates an outwards thrust to the push rod 5, the restoring force of the third spring 10 generates a reverse thrust to the piston rod 9, when the roller 6 moves to the strip-shaped groove, under the restoring force of the air bag 13, the air bag 13 pushes the push rod 5 to move outwards, so that the roller 6 moves into the strip-shaped groove, meanwhile, the third spring 10 pushes the piston rod 9 to move reversely, so that the air in the sleeve 8 is pressed into the air bag 13 through the air pipe again, thereby make gasbag 13 inflation once more, expanded gasbag 13 produces bigger thrust to push rod 5 to make the better fixing of gyro wheel 6 can't shift out in the bar inslot, thereby realize better spacing effect.

As shown in fig. 4, in order to achieve a better fixing effect, a locking assembly is arranged on the pull rod 11, the locking assembly includes a locking unit and two positioning units, the locking unit includes a locking pipe 14, a moving block 15, a pressing rod 16, a locking rod 17 and a fourth spring 18, the shrinking pipe is arranged on the pull rod 11, the moving block 15 is arranged in the shrinking pipe, the moving block 15 is slidably connected with the locking pipe 14, the pressing rod 16 and the locking rod 17 are respectively arranged on two sides of the moving block 15, the main body 1 is provided with two locking grooves, one end of the locking rod 17 is arranged in one of the locking grooves, the fourth spring 18 is sleeved on the pressing rod 16, the fourth spring 18 is arranged in the locking pipe 14, one end of the fourth spring 18 is connected with the locking pipe 14, the other end of the fourth spring 18 is connected with the moving block 15, the two positioning units are respectively arranged on two sides of the moving block 15, the positioning unit comprises a positioning rod 19 and a fifth spring 20, a positioning groove is formed in the moving block 15, one end of the positioning rod 19 is located in the positioning groove, the other end of the positioning rod 19 extends out of the positioning groove, the positioning rod 19 is connected with the positioning groove in a sliding mode, a limiting groove is formed in the lock tube 14, one end, located outside the positioning groove, of the positioning rod 19 extends into the limiting groove, the fifth spring 20 is arranged in the positioning groove, one end of the fifth spring 20 is connected with the positioning groove, and the other end of the fifth spring 20 is connected with the positioning rod 19.

After the installation is finished, the lock rod 17 is just opposite to the lock groove close to the sleeve 8, then the press rod 16 is pressed downwards, the press rod 16 drives the moving block 15 to move downwards, the moving block 15 drives the lock rod 17 to move downwards, so that the lock rod 17 moves into the lock groove, meanwhile, the moving block 15 moves to drive the positioning rod 19 to move, when the lock rod 17 moves into the lock groove, the positioning rod 19 is just opposite to the limiting groove, at the moment, the fifth spring 20 is in a compression state, the restoring force of the fifth spring 20 generates outward thrust on the positioning rod 19, so that the positioning rod 19 is clamped into the limiting groove, so that the positioning rod 19 cannot move, so that the moving block 15 cannot move, the lock rod 17 is always clamped in the lock groove, here, the fourth spring 18 is in a stretching state, and at the sum of the fifth springs 20 is greater than the restoring force of the fourth spring 18, so that the pulling force of the fifth spring 20 on the moving block 15 cannot move the positioning rod 19 out of the limiting groove, so that the moving block 15 can not move at this time, the lock rod 17 can be fixed, the moving block 15 can be fixed, the lock tube 14 can be fixed, the pull rod 11 can not move left and right, the pull rope 12 and the piston rod 9 can not be pulled, the clamping rod 3 can be always positioned in the clamping groove under the restoring force of the first spring 4, meanwhile, the piston rod 9 can always press the air in the sleeve 8 into the air bag 13 under the restoring force of the third spring 10, so that the roller 6 can always be clamped in the strip-shaped groove, a better fixing effect can be realized, when the main body 1 needs to be disassembled, the press rod 16 is continuously pressed downwards, so that the fourth spring 18 is further stretched, the restoring force of the fourth spring 18 generates reverse pulling force to the moving block 15, and the restoring force of the fourth spring 18 is greater than the sum of the restoring forces of the fifth springs 20 at this time, so that when the positioning rod 19 moves to the position of the limit groove again, the fifth spring 20 can pull the positioning rod 19 to move into the positioning groove, so that the positioning rod 19 moves away from the position of the limit groove, so that the moving block 15 moves upwards, the moving block 15 drives the lock rod 17 to move upwards, so that the lock groove is moved out, so that the pull rod 11 can move freely, then the pull rod 11 is pulled outwards, the pull rod 11 drives the pull rope 12 and the piston rod 9 to move, so that the clamping rod 3 moves into the fixed pipe 2, so that the main body 1 can move upwards and downwards, so that the main body 1 moves to the bottom of the fixed rod 29, and meanwhile, the piston rod 9 moves, so that air in the air bag 13 enters the sleeve 8, so that the air bag 13 is reduced, at the moment, the second spring 7 is in a stretching state, the restoring force of the second spring 7 generates a reverse pulling force on the push rod 5, so that the push rod 5 moves into the groove again, so that the roller 6 moves into the groove, the main body 1 can be removed.

Here, the pull rod 11 moves to drive the lock tube 14 to move, the lock tube 14 drives the moving block 15 to move, the moving block 15 drives the lock rod 17 to move, so that the lock rod 17 moves to the next lock groove, then the press rod 16 is pressed again, so that the positioning rod 19 is clamped into the limiting groove, and the lock rod 17 is clamped into the lock groove, so that the pull rod 11 is fixed, so that the clamping rod 3 is always positioned in the fixed tube 2, and the roller 6 is always positioned in the groove, so that the fixing mechanism and the limiting mechanism are kept in an unlocking state.

As shown in fig. 1, in order to support main part 1, realize better fixed effect, be equipped with supporting component in main part 1, supporting component includes two support element, and two support element set up respectively in the both sides of main part 1, support element includes branch 21, slider 22 and pulley 23, the one end of branch 21 is articulated with main part 1, the other end of branch 21 stretches into in the spout, the slope of branch 21 sets up, slider 22 sets up the one end that is located the spout at branch 21, slider 22 is articulated with branch 21, slider 22 and spout sliding connection, pulley 23 sets up on slider 22, pulley 23 is located the bar inslot, pulley 23 and bar groove rolling connection.

Here pulley 23 is located the bar inslot, thereby make pulley 23 can only remove along the axis direction in bar groove, thereby it is spacing to the removal of pulley 23, thereby it is spacing to the removal of slider 22, thereby it is spacing to the removal of branch 21, thereby it is spacing to the removal of main part 1, here branch 21, pulley 23 and main part 1 form a stable triangle-shaped bearing structure, triangle-shaped stability makes main part 1 can stable support on dead lever 29, thereby realize better fixed effect to main part 1.

As shown in fig. 1, in order to realize better supporting effect, be equipped with down the unit on branch 21, down the unit includes gag lever post 24, stopper 25, briquetting 26 and sixth spring 27, gag lever post 24 sets up on main part 1, stopper 25 sets up the one end of keeping away from main part 1 at gag lever post 24, be equipped with the groove of walking on branch 21, gag lever post 24 passes the groove of walking, gag lever post 24 with walk groove sliding connection, briquetting 26 cover is established on gag lever post 24, briquetting 26 and gag lever post 24 sliding connection, briquetting 26 is located between branch 21 and the stopper 25, briquetting 26 supports with branch 21 and leans on, sixth spring 27 cover is established on gag lever post 24, sixth spring 27's one end is connected with stopper 25, sixth spring 27's the other end is connected with briquetting 26.

Here, the sixth spring 27 is in a compressed state, the restoring force of the sixth spring 27 generates a downward pushing force on the pressing block 26, and the pressing block 26 generates a downward pushing force on the supporting rod 21, so that the supporting rod 21 is better pressed down, and a better supporting effect is achieved.

For supporting the device, the bracket comprises a base 28 and a fixing rod 29, the fixing rod 29 is arranged on the base 28, and the sliding groove and the strip-shaped groove are both arranged on the fixing rod 29.

In order to enable the positioning rod 19 to move, the cross section of the positioning groove is arc-shaped, the cross section of one end, located in the positioning groove, of the positioning rod 19 is arc-shaped, and the circle center of the arc-shaped cross section of the positioning rod 19 coincides with the circle center of the arc-shaped cross section of the positioning groove.

When the main body 1 is installed, the pull rod 11 is pulled, the pull rod 11 pulls the pull rope 12 to move, the pull rod 11 drives the clamping rod 3 to move, the clamping rod 3 moves into the fixed pipe 2, meanwhile, the pull rod 11 drives the piston rod 9 to move, the space of a sealed cavity formed by the piston rod 9 and the sleeve 8 is enlarged, and therefore the air pressure in the sealed cavity is reduced, so that the air in the air bag 13 enters the sealed cavity through an air pipe, the push rod 5 cannot be blocked, at the moment, the second spring 7 is in a stretching state, the restoring force of the second spring 7 generates a pulling force on the push rod 5, so that the push rod 5 moves into the groove, the roller 6 moves into the groove, one end, close to the clamping rod 3, of the main body 1 is placed in the sliding groove, then the main body 1 is moved to the top of the fixed rod 29, the clamping rod 3 is opposite to the clamping groove, the roller 6 is opposite to the strip-shaped groove, then the pull rod 11 is loosened, at the moment, the first spring 4 is in a compressing state, the restoring force of the first spring 4 generates outward thrust to the clamping rod 3, thereby the clamping rod 3 is clamped into the clamping groove, thereby the clamping rod 3 is fixed, thereby the main body 1 cannot move up and down, thereby the upper direction and the lower direction of the main body 1 are fixed, meanwhile, the third spring 10 and the air bag 13 are both in a compression state, the restoring force of the air bag 13 generates outward thrust to the push rod 5, the restoring force of the third spring 10 generates reverse thrust to the piston rod 9, when the roller 6 moves to the strip-shaped groove, under the action of the restoring force of the air bag 13, the air bag 13 pushes the push rod 5 to move outwards, so that the roller 6 moves to the strip-shaped groove, meanwhile, the third spring 10 pushes the piston rod 9 to move reversely, so that the air in the sleeve 8 is pressed into the air bag 13 through the air pipe again, thereby the air bag 13 expands again, the expanded air bag 13 generates greater thrust to the push rod 5, thereby the roller 6 is better fixed in the strip-shaped groove and cannot move out, thereby make gyro wheel 6 only can reciprocate along the axis direction of bar groove to can't control the rotation to main part 1, thereby fix a position the left and right direction of main part 1, can accomplish the fixed to main part 1.

After the installation is finished, the lock rod 17 is just opposite to the lock groove close to the sleeve 8, then the press rod 16 is pressed downwards, the press rod 16 drives the moving block 15 to move downwards, the moving block 15 drives the lock rod 17 to move downwards, so that the lock rod 17 moves into the lock groove, meanwhile, the moving block 15 moves to drive the positioning rod 19 to move, when the lock rod 17 moves into the lock groove, the positioning rod 19 is just opposite to the limiting groove, at the moment, the fifth spring 20 is in a compression state, the restoring force of the fifth spring 20 generates outward thrust on the positioning rod 19, so that the positioning rod 19 is clamped into the limiting groove, so that the positioning rod 19 cannot move, so that the moving block 15 cannot move, the lock rod 17 is always clamped in the lock groove, here, the fourth spring 18 is in a stretching state, and at the sum of the fifth springs 20 is greater than the restoring force of the fourth spring 18, so that the pulling force of the fifth spring 20 on the moving block 15 cannot move the positioning rod 19 out of the limiting groove, so that the moving block 15 can not move at this time, the lock rod 17 can be fixed, the moving block 15 can be fixed, the lock tube 14 can be fixed, the pull rod 11 can not move left and right, the pull rope 12 and the piston rod 9 can not be pulled, the clamping rod 3 can be always positioned in the clamping groove under the restoring force of the first spring 4, meanwhile, the piston rod 9 can always press the air in the sleeve 8 into the air bag 13 under the restoring force of the third spring 10, so that the roller 6 can always be clamped in the strip-shaped groove, a better fixing effect can be realized, when the main body 1 needs to be disassembled, the press rod 16 is continuously pressed downwards, so that the fourth spring 18 is further stretched, the restoring force of the fourth spring 18 generates reverse pulling force to the moving block 15, and the restoring force of the fourth spring 18 is greater than the sum of the restoring forces of the fifth springs 20 at this time, so that when the positioning rod 19 moves to the position of the limit groove again, the fifth spring 20 can pull the positioning rod 19 to move into the positioning groove, so that the positioning rod 19 moves away from the position of the limit groove, so that the moving block 15 moves upwards, the moving block 15 drives the lock rod 17 to move upwards, so that the lock groove is moved out, so that the pull rod 11 can move freely, then the pull rod 11 is pulled outwards, the pull rod 11 drives the pull rope 12 and the piston rod 9 to move, so that the clamping rod 3 moves into the fixed pipe 2, so that the main body 1 can move upwards and downwards, so that the main body 1 moves to the bottom of the fixed rod 29, and meanwhile, the piston rod 9 moves, so that air in the air bag 13 enters the sleeve 8, so that the air bag 13 is reduced, at the moment, the second spring 7 is in a stretching state, the restoring force of the second spring 7 generates a reverse pulling force on the push rod 5, so that the push rod 5 moves into the groove again, so that the roller 6 moves into the groove, can take off main part 1, through pressing depression bar 16, can be so that the unblock of kelly 3 and push rod 5, easy operation is convenient, has saved the manpower, has improved efficiency.

Here, the pull rod 11 moves to drive the lock tube 14 to move, the lock tube 14 drives the moving block 15 to move, the moving block 15 drives the lock rod 17 to move, so that the lock rod 17 moves to the next lock groove, then the press rod 16 is pressed again, so that the positioning rod 19 is clamped into the limiting groove, and the lock rod 17 is clamped into the lock groove, so that the pull rod 11 is fixed, so that the clamping rod 3 is always positioned in the fixed tube 2, and the roller 6 is always positioned in the groove, so that the fixing mechanism and the limiting mechanism are kept in an unlocking state.

Here pulley 23 is located the bar inslot, thereby make pulley 23 can only remove along the axis direction in bar groove, thereby it is spacing to the removal of pulley 23, thereby it is spacing to the removal of slider 22, thereby it is spacing to the removal of branch 21, thereby it is spacing to the removal of main part 1, here branch 21, pulley 23 and main part 1 form a stable triangle-shaped bearing structure, triangle-shaped stability makes main part 1 can stable support on dead lever 29, thereby realize better fixed effect to main part 1.

Here, the sixth spring 27 is in a compressed state, the restoring force of the sixth spring 27 generates a downward pushing force on the pressing block 26, and the pressing block 26 generates a downward pushing force on the supporting rod 21, so that the supporting rod 21 is better pressed down, and a better supporting effect is achieved.

Compared with the prior art, this bill-board that fixed effectual, realize the fixed of main part 1 through fixed establishment, carry on spacingly through stop gear to main part 1, compare with current fixing device, the device passes through fixed establishment, stop gear and supporting component carry out multiple spacing and fixed to main part 1, realize better fixed effect, fixed establishment and stop gear adopt the linkage simultaneously, a key locking and unblock have been realized, this mechanism adopts pure mechanical structure simultaneously, the stability and the life of device have been improved, and the device has avoided the bolt, the use of parts such as screw, can realize locking and unblock through simple pressing and pulling, the dismouting is simple and convenient, the practicality has been improved.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.