CN213361740U - Telescopic detachable corner bracket device - Google Patents

Abstract

The application relates to a telescopic and detachable corner bracket device, which comprises a plurality of telescopic rods, wherein the telescopic rods are used for supporting a leveling staff, one end of each telescopic rod is hinged with a hinged plate, one end of each hinged plate, which is far away from the telescopic rod, is fixedly provided with a fixed panel, two ends in the length direction of the fixed panel are fixedly provided with movable clamping plates, the movable clamping plates and the fixed panels form movable clamping grooves, the side wall of the leveling staff, which is adjacent to a scale surface, is a mounting surface, a clamping block is fixedly arranged at the position, which is just opposite to the movable clamping grooves, the clamping block is abutted against the inner wall of the movable clamping grooves, the fixed panel is provided with a fixed hole, the side wall of the clamping block is provided with a threaded groove, a movable bolt is inserted into the fixed hole, the movable bolt penetrates through the fixed hole and is in the, the leveling staff can finish the effect of vertical erection in a short time.

Description

Telescopic detachable corner bracket device

Technical Field

The application relates to the technical field of leveling, in particular to a telescopic detachable corner bracket device.

Background

Currently, leveling is to measure the height difference between two points on the ground by using a level gauge and a leveling staff. A level is arranged between two points on the ground, a leveling staff erected on the two points is observed, and the height difference between the two points is calculated according to the reading on the staff.

The perpendicularity of the existing leveling staff through arm adjustment staff is supported and erected, and whether the leveling staff is in a vertical state or not is judged through a circular level on the leveling staff.

In view of the above-mentioned related technologies, the inventor believes that as the observation time increases, the arm is prone to fatigue, which causes the leveling rod to tilt, and affects the defect of accurate reading.

SUMMERY OF THE UTILITY MODEL

In order to improve the support of levelling rod and erect the effect, make the levelling rod be not convenient for erect for a long time and produce the defect that the slope influences the reading accuracy, this application provides flexible detachable angle frame device.

The application provides a flexible detachable angle frame device adopts following technical scheme:

telescopic detachable angle frame device, including a plurality of telescopic links, the telescopic link is used for supporting the levelling staff, the one end of telescopic link articulates there is the articulated slab, the one end that the telescopic link was kept away from to the articulated slab has set firmly fixed panel, fixed panel's length direction both ends have set firmly movable cardboard, movable cardboard forms movable clamping groove with fixed panel, the levelling staff is the installation face with the lateral wall that the scale face is adjacent, the installation face just has set firmly the fixture block to the position of movable clamping groove, fixture block and movable clamping groove inner wall butt, the fixed orifices has been seted up on the fixed panel, the threaded groove has just been seted up to the position of fixed orifices to the fixture block lateral wall, movable bolt has been inserted in the fixed orifices, threaded connection is in the threaded groove behind the movable bolt through fixed orifices, the telescopic.

Through adopting the above-mentioned technical scheme, erect the levelling rod after needs, remove fixed panel, make movable clamping groove's lateral wall and fixture block butt, rotate movable bolt, threaded connection is in the thread groove behind the movable bolt runs through the fixed orifices, make fixed panel fix on the fixture block, accomplish the installation of angle frame device on the levelling rod, rotate the telescopic link, make and keep the angle that can the stable support levelling rod between telescopic link and the levelling rod, pull the telescopic link again, make the bottom and the ground butt of telescopic link, adjust the round level ware through the flexible length of adjusting the telescopic link, make the levelling rod be in vertical state, the efficiency of the vertical ruler has been improved, rotate movable bolt, make movable bolt break away from the thread groove, accomplish the dismantlement to angle frame device, it is more convenient to make the dismouting of angle frame device.

Optionally, a clamping strip hole is formed in the side wall of the fixing panel, a clamping batten is fixedly arranged at the position, right facing the clamping strip hole, of the side wall of the clamping block, and the clamping batten is located in the clamping strip hole and tightly abuts against the inner wall of the clamping strip hole.

Through adopting above-mentioned technical scheme, when the inner wall of activity draw-in groove and fixture block butt, the joint slat embedding is downthehole and support tightly with joint slotted hole inner wall at the joint, has improved the stability when fixed panel is fixed with the cardboard, and then has improved the stability when angle frame device carries out the fixing with the levelling staff.

Optionally, the telescopic link includes sleeve pipe and inner tube, and the sleeve pipe top is articulated with articulated board, and the opening is left to the sleeve pipe bottom, and the inner tube slides in stretching into the sleeve pipe through the opening of sleeve pipe bottom, and the direction of sliding is the same with sheathed tube axis direction, and fixed subassembly sets up between sleeve pipe and inner tube, and the bottom of inner tube has set firmly anti-skidding cushion.

Through adopting above-mentioned technical scheme, after angle frame device and levelling rod are fixed, adjust the round level through the length that changes the inner tube and stretch out from the sleeve pipe, and then realize the vertical of levelling rod and place, stretch out suitable length back at the inner tube from the cover intraductal, fixed subassembly is fixed inner tube and sleeve pipe, stability when having improved the angle frame device and using, the non-slip rubber pad of inner tube bottom has increased the frictional force on angle frame device and ground, and then improved the stability of angle frame device when placing subaerial.

Optionally, the fixed subassembly includes the dead lever, the joint board, press clamp plate and chucking spring, the press clamp plate sets firmly the one end at the dead lever, press the hole has been seted up to the bottom of sleeve pipe circumference outer wall, the circumference lateral wall of inner tube has just seted up the strip hole that slides to the position of pressing the hole, the dead lever is kept away from the one end of press clamp plate and is passed in proper order and press the hole and slide the strip hole and stretch into inside the inner tube, the dead lever is located inside one end and the joint board fixed connection of inner tube, the joint board is close to the lateral wall of dead lever and the circumference inner wall butt of inner tube, the joint board has set firmly first latch with the lateral wall of inner tube butt, the position of inner tube circumference inner wall and joint board butt has set firmly the second latch, first latch and second latch intermeshing, the lateral wall that the press clamp plate is close to the joint board has set firmly.

Through adopting above-mentioned technical scheme, when the length that the inner tube stretches out from the cover pipe is adjusted to needs, press the clamp plate to the direction of being close to pressing the hole, make first latch and second latch separation, accomplish the inner tube and stretch out the regulation of length from the cover pipe, when needs are fixed inner tube and sleeve pipe, loosen and press the clamp plate, press the clamp plate and slide to the direction of keeping away from pressing the hole under the effect of chucking spring, it slides together to drive dead lever and joint board according to the clamp plate, the joint board supports first latch meshing tightly on the second latch, the completion is fixed to the position of sleeve pipe and inner tube, it is more convenient to make the inner tube stretch out the regulation of sheathed tube length, the regulation efficiency of angle frame device has been improved, and then the efficiency of standing the chi has been improved.

Optionally, the clamping spring is sleeved with a telescopic pipe, one end of the telescopic pipe is fixedly connected with the pressing plate, and one end of the telescopic pipe, which is far away from the pressing plate, is fixedly connected with the circumferential outer wall of the sleeve.

Through adopting above-mentioned technical scheme, when pressing the pressure panel to the direction that is close to the pressure hole, flexible pipe contracts along with the removal of pressing the pressure panel, and when the chucking spring will reset according to the pressure panel, flexible pipe stretches along with the removal of pressing the pressure panel, and flexible pipe is effectual has reduced the probability that the foreign matter blocks the flexible of chucking spring, has improved the stability when chucking spring uses.

Optionally, the tooth surface of the first latch facing the anti-slip rubber mat is a first end surface, the tooth surface of the first latch facing away from the anti-slip rubber mat is a first inclined surface, the tooth surface of the second latch facing away from the anti-slip rubber mat is a second end surface, the tooth surface of the second latch facing the anti-slip rubber mat is a second inclined surface, the first end surface is abutted to the second end surface and is perpendicular to the circumferential side wall of the inner tube, and the first inclined surface is abutted to the second inclined surface.

Through adopting above-mentioned technical scheme, when needs will increase the length that the inner tube stretches out from the cover intraductal, with the inner tube to keeping away from sheathed tube direction extraction, make second inclined plane and first inclined plane butt slide, the joint board slides to the direction of keeping away from the pressure hole along with sliding of second latch, after the endpoint on first inclined plane and second inclined plane is crisscross, first terminal surface again with second terminal surface butt, to the inner tube to being close to the slip of sleeve pipe direction and locking, need not to press the length that the pressing plate can increase the inner tube and follow the sleeve pipe and stretch out, telescopic link length adjustment's efficiency has been improved.

Optionally, a handle is fixedly arranged on the side wall of the leveling staff adjacent to the scale surface.

Through adopting above-mentioned technical scheme, when manual removal and support the levelling rod, it can be more convenient to remove and support the levelling rod through the mode of holding the handle, because the handle is located the installation face, the probability that the staff blockked the scale of levelling rod when effectively having reduced to support the levelling rod has improved leveling's efficiency.

Optionally, the top end of the sleeve is fixedly provided with a fixed plate, the fixed plate is hinged to the hinged plate, the side wall of the fixed plate, which faces the hinged plate, is provided with a fastening hole, threads are distributed on the inner wall of the fastening hole, the fastening hole is in threaded connection with a fastening bolt, and the fastening bolt is tightly abutted to the hinged plate.

By adopting the technical scheme, when the angle of the sleeve and the hinged plate is required to be fixed, the fastening bolt is rotated and is tightly abutted against the hinged plate, so that the hinged plate is fixed with the fixed plate, the angle fixation of the sleeve and the hinged plate is further completed, and the stability of the angle bracket device when the leveling staff is supported is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the angle bracket device is installed on the leveling staff, the fixed panel is moved firstly, so that the inner wall of the movable clamping groove is abutted against the clamping block, the clamping batten is positioned in the clamping strip hole and abutted against the inner wall of the clamping strip hole, the installation stability of the angle bracket device is improved, the movable bolt penetrates through the fixed hole and is in threaded connection with the threaded groove, the fixed panel is fixed on the clamping block, the installation of the angle bracket device on the leveling staff is completed, the movable bolt is rotated to be separated from the threaded groove, then the fixed plate is separated from the clamping block, the disassembly of the angle bracket device is completed, the disassembly efficiency of the angle bracket device is improved, and the handling and the carrying of the leveling staff are more convenient;

2. when the leveling staff needs to be vertically adjusted, the sleeve rotates to an angle capable of stably supporting the leveling staff, the fastening bolt rotates, the fastening bolt is abutted against the hinged plate, the angle fixing of the sleeve and the hinged plate is completed, and the stability of the angle frame device in supporting the leveling staff is improved;

3. when the leveling staff needs to be vertically adjusted, the inner tube is pulled towards the direction far away from the sleeve, the second latch slides along with the inner tube, the second inclined plane slides against the first inclined plane, after the first inclined plane is staggered with the second inclined plane, under the thrust of the clamping spring, the clamping plate slides towards the direction close to the pressing plate, the first latch is meshed with the second latch again, the locking of the inner tube towards the direction close to the sleeve is realized, the efficiency of the vertical ruler is improved, when the inner tube is withdrawn, the pressing plate is pressed, the clamping plate slides towards the direction far away from the pressing plate, the first latch is separated from the second latch, the inner tube slides towards the sleeve, the recovery of the inner tube is realized, the efficiency of adjusting the length of the inner tube extending out from the sleeve is improved, and the efficiency of the vertical ruler is further improved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic view showing a partial structure of the telescopic rod;

FIG. 3 is a partial cross-sectional view showing the securing assembly;

FIG. 4 is an exploded view of the connector assembly;

fig. 5 is an exploded view showing a fastening bolt.

In the figure, 1, a leveling staff; 11. a clamping block; 111. a thread groove; 112. clamping the laths; 12; a handle; 13. a circular level; 14. a mounting surface; 2. a telescopic rod; 21. a sleeve; 211. pressing the hole; 212. a fixing plate; 2121. a fastening hole; 2122. fastening a bolt; 22. an inner tube; 221. a sliding strip hole; 222. an anti-slip rubber pad; 3. a connecting assembly; 31. fixing the panel; 311. a fixing hole; 312. a movable bolt; 313. clamping the strip holes; 314. a movable clamping groove; 32. a movable clamping plate; 33. a hinge plate; 4. a fixing assembly; 41. fixing the rod; 42. a pressing plate; 421. a telescopic pipe; 43. a clamping and connecting plate; 44. a chucking spring; 5. a first latch; 51. a first end face; 52. a first inclined plane; 6. a second latch; 61. a second end face; 62. a second inclined plane.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses flexible detachable angle frame device.

Referring to fig. 1, the telescopic detachable angle bracket device comprises a plurality of telescopic rods 2 for supporting a leveling staff 1, side walls, adjacent to a scale surface, of the leveling staff 1 are installation surfaces 14, rectangular clamping blocks 11 are fixedly arranged on the installation surfaces 14, a connecting assembly 3 for installing and fixing the telescopic rods 2 and the leveling staff 1 is arranged between the adjacent telescopic rods 2 and the clamping blocks 11, fixing assemblies 4 for fixing the telescopic length of the telescopic rods 2 are arranged on the telescopic rods 2, a circular level 13 is fixedly arranged on the installation surfaces 14, the axis of the circular level 13 is parallel to the length direction of the leveling staff 1, and a handle 12 is fixedly arranged on the installation surfaces 14; when erecting levelling staff 1, install telescopic link 2 on levelling staff 1 through coupling assembling 3 earlier, adjust the length of telescopic link 2 again, carry out the auxiliary stay to levelling staff 1, before the length of having adjusted telescopic link 2, carry out manual support to telescopic link 2 through handle 12, whether can audio-visually reflect levelling staff 1 through circle level 13 is in vertical state, after levelling staff 1 is in vertical state, fix the length of telescopic link 2 through fixed subassembly 4, and then improve the stability when angle frame device supports levelling staff 1, the efficiency of erecting the chi has still been improved.

Referring to fig. 2, the telescopic rod 2 includes a sleeve 21 and an inner tube 22, the bottom end of the sleeve 21 is an open end face, the inner tube 22 extends into the sleeve 21 through the open end of the sleeve 21 to slide, the sliding direction is the axial direction of the sleeve 21, the fixing assembly 4 is arranged between the sleeve 21 and the inner tube 22 and is used for fixing the length of the inner tube 22 extending out of the sleeve 21, and an anti-skid rubber pad 222 is fixedly arranged at one end of the inner tube 22 far from the sleeve 21; come to adjust the length of telescopic link 2 through the length that changes inner tube 22 and stretch out from the sleeve pipe 21, fix inner tube 22 and sleeve pipe 21 through fixed subassembly 4, and then fix the flexible length of telescopic link 2, after fixing the flexible length of telescopic link 2, anti-skidding cushion 222 and ground butt, the probability that telescopic link 2 and ground take place to slide has been reduced, stability when having improved the angle frame device and using, enclose into triangle-shaped between the bottom of anti-skidding cushion 222 and levelling staff 1, stability when having further improved the vertical ruler.

Referring to fig. 2 and 3, the fixing assembly 4 includes a fixing rod 41, a pressing plate 42, an arc-shaped engaging plate 43 and a clamping spring 44, one end of the fixing rod 41 is fixedly connected to the pressing plate 42, a pressing hole 211 is formed at the bottom of the circumferential outer wall of the sleeve 21, a sliding bar hole 221 is formed at a position of the circumferential outer wall of the inner tube 22 opposite to the pressing hole 211, a length direction of the sliding bar hole 221 is parallel to an axial direction of the inner tube 22, one end of the fixing rod 41 away from the pressing plate 42 sequentially penetrates through the pressing hole 211 and the sliding bar hole 221 to extend into the inner tube 22, one end of the fixing rod 41 located inside the inner tube 22 is fixedly connected to the engaging plate 43, the clamping spring 44 is sleeved outside the fixing rod 41, one end of the clamping spring 44 is fixedly connected to one end of the pressing plate 42 close to the fixing rod 41, one end of the clamping spring 44 away from the pressing plate 42, one end of the extension tube 421 is fixedly connected to one end of the pressing plate 42 close to the fixing rod 41, one end of the extension tube 421 away from the pressing plate 42 is fixedly connected to the circumferential outer wall of the sleeve 21, the side wall of the latch plate 43 close to the pressing plate 42 is fixedly provided with a first latch 5, the circumferential inner wall of the inner tube 22 at two sides of the length direction of the sliding strip hole 221 is fixedly provided with a second latch 6, the first latch 5 is engaged with the second latch 6, the tooth surface of the first latch 5 facing the anti-skid rubber pad 222 is a first end surface 51, one end of the first latch 5 facing away from the anti-skid rubber pad 222 is a first inclined surface 52, the tooth surface of the second latch 6 facing the anti-skid rubber pad 222 is a second end surface 61, one end of the second latch 6 facing the anti-skid rubber pad 222 is a second inclined surface 62, the first end surface 51 is abutted to the second end surface 61 and perpendicular to the axis of the inner tube 22, and the first inclined surface 52 is abutted to.

When the length of the telescopic rod 2 needs to be increased, the inner tube 22 is pulled towards the direction far away from the sleeve 21, the inner tube 22 slides towards the outside of the sleeve 21, the second latch 6 slides against the first latch 5 along with the sliding of the inner tube 22, the second inclined surface 62 slides against the first inclined surface 52 until the first inclined surface 52 and the second inclined surface 62 are staggered, the clamping spring 44 pushes the pressing plate 42 to slide towards the direction far away from the pressing hole 211, the pressing plate 42 drives the fixing rod 41 and the clamping plate 43 to slide together, the first latch 5 is meshed with the second latch 6 again, the length of the inner tube 22 sliding out of the sleeve 21 is fixed, the first end surface 51 and the second end surface 61 are abutted against each other, the sliding of the inner tube 22 towards the inside of the sleeve 21 is locked, the stability of the angle frame device in use is improved, when the inner tube 22 is retracted, the pressing plate 42 is pressed towards the direction near the pressing hole 211, the pressing plate 42 drives the fixing rod 41 and the clamping plate 43, make first latch 5 and the separation of second latch 6, remove the locking that first latch 5 slided to the inner tube 22 in to sleeve pipe 21, promote the inner tube 22 to the direction that is close to sleeve pipe 21, accomplish the recovery to sleeve pipe 21, loosen and press the clamp plate 42, press the clamp plate 42 and reset under the promotion of chucking spring 44, first latch 5 meshes with second latch 6 once more, when having improved the stability of angle frame device, the efficiency of 2 length adjustment of telescopic link has still been improved, the effectual stability of guaranteeing chucking spring 44 when using of flexible pipe 421.

Referring to fig. 4, the connecting assembly 3 includes a rectangular parallelepiped fixed panel 31, a rectangular parallelepiped movable clamping plate 32, and an elongated hinge plate 33, the movable clamping plate 32 is fixedly disposed on the end surfaces of the two ends of the fixed panel 31 in the length direction, a movable clamping groove 314 is formed between the movable clamping plate 32 and the fixed panel 31, the fixture block 11 can be located in the movable clamping groove 314 and abut against the inner wall of the movable clamping groove 314, the hinge plate 33 is fixedly disposed on the side wall of the fixed panel 31 away from the fixture block 11 and close to one end of the fixed panel 31 in the length direction, one end of the hinge plate 33 away from the fixed panel 31 is hinged to the top end of the sleeve 21, a fixed hole 311 is disposed in the middle of the side wall of the fixed panel 31 parallel to the length direction, a movable bolt 312 is inserted into the fixed hole 311, a clamping bar hole 313 is disposed on the side wall of the fixed panel 31 having, the clamping strip hole 313 is communicated with the fixing hole 311, a clamping strip plate 112 is fixedly arranged on the side wall of the clamping block 11 opposite to the clamping strip hole 313, the clamping strip plate 112 is tightly propped against the inner wall of the clamping strip hole 313 after extending into the clamping strip hole 313, and a thread groove 111 for the movable bolt 312 to be in threaded connection is arranged on the clamping strip plate 112 opposite to the fixing hole 311.

When the corner bracket device needs to be installed, the fixing panel 31 is moved to enable the inner wall of the movable clamping groove 314 to be abutted against the fixture block 11, the clamping batten 112 is embedded into the clamping batten hole 313 to be abutted against the inner wall of the clamping batten hole 313, the stability of the fixing panel 31 on the fixture block 11 is improved, the fixing hole 311 is opposite to the threaded groove 111, the movable bolt 312 penetrates through the fixing hole 311 to be in threaded connection with the threaded groove 111, the fixing panel 31 and the fixture block 11 are fixed, thereby completing the installation of the angle bracket device, the movable bolt 312 further improves the stability of the fixing panel 31 fixed on the fixture block 11, when the angle bracket device is disassembled, the movable bolt 312 is rotated to separate the movable bolt 312 from the thread groove 111, and then the fixed panel 31 is moved to separate the clamping strip hole 313 from the clamping batten 112, so that the foot stand device is disassembled, the disassembling efficiency of the foot stand device is improved, and the carrying of the leveling staff are more convenient.

Referring to fig. 5, fixing plates 212 are fixedly arranged at two ends of the top end of the sleeve 21 close to the circumferential outer wall, the hinge plate 33 is hinged between the fixing plates 212, the hinge plate 33 abuts against the fixing plates 212, a fastening hole 2121 is formed in the side wall, facing the hinge plate 33, of the fixing plate 212, threads are distributed on the inner wall of the fastening hole 2121, a fastening bolt 2122 is in threaded connection in the fastening hole 2121, and the fastening bolt 2122 abuts against the hinge plate 33; when the sleeve 21 and the hinge plate 33 need to be fixed, the fastening bolt 2122 is rotated, the hinge plate 33 is abutted by the fastening bolt 2122, the hinge plate 33 is fixed with the fixing plate 212, the sleeve 21 and the hinge plate 33 are further fixed, the stability of the angle frame device in use is improved, the fastening bolt 2122 is rotated in the reverse direction, the fastening bolt 2122 slides in the reverse direction away from the hinge plate 33, the fixing of the hinge plate 33 by the fastening bolt 2122 is released, the angle formed by the sleeve 21 and the hinge plate 33 is adjusted more conveniently, and the efficiency of erecting the ruler is improved.

The implementation principle of the telescopic detachable corner bracket device in the embodiment of the application is as follows: when the leveling staff 1 is erected, the angle bracket device is firstly installed on the leveling staff 1, the fixing panel 31 is moved, the side wall of the movable clamping groove 314 is abutted to the clamping block 11, the clamping batten 112 extends into the clamping strip hole 313 and is abutted to the inner wall of the clamping strip hole 313, the fixing hole 311 is opposite to the threaded groove 111 at the moment, the movable bolt 312 penetrates through the fixing hole 311 and is then in threaded connection with the threaded groove 111, the fixing panel 31 is abutted to the clamping block 11, the installation of the angle bracket device is completed, and the installation firmness of the angle bracket device is improved; after the leveling staff 1 is erected, the angle between the telescopic rod 2 and the hinged plate 33 is adjusted, the fastening bolt 2122 is rotated to tightly abut the fastening bolt 2122 against the hinged plate 33, so that the angle between the telescopic rod 2 and the hinged plate 33 is fixed, the stability of the angle frame device in use is improved, and the efficiency of erecting the ruler is also improved; finally, the inner tube 22 is pulled along the direction away from the sleeve 21, the second latch 6 slides along with the sliding of the inner tube 22 and the abutting of the first latch 5, when the first inclined plane 52 slides to the second inclined plane 62 in an intersecting manner, the clamping spring 44 pushes the pressing plate 42 to slide along the direction away from the pressing hole 211, the pressing plate 42 drives the fixing rod 41 and the clamping plate 43 to slide together, the first latch 5 is meshed with the second latch 6 again, the first end face 51 abuts against the second end face 61 again, the inner tube 22 is locked along the sliding direction close to the sleeve 21, the extension tube 421 is more convenient to fix the extension length, and the stability of the angle bracket device during use is improved.

When the angle frame device is disassembled, the movable bolt 312 is rotated to separate the movable bolt 312 from the thread groove 111, and then the fixed panel 31 is separated from the fixture block 11, so that the disassembly of the angle frame device is completed, the disassembly and assembly efficiency of the angle frame device is improved, and the carrying and carrying of the leveling staff are more convenient; the fastening bolt 2122 is rotated to enable the fastening bolt 2122 to slide in the direction away from the hinge plate 33, the fastening bolt 2122 is released from fixing the hinge plate 33, the rotation between the hinge plate 33 and the fixing plate 212 is recovered, and the angle adjusting efficiency between the telescopic rod 2 and the hinge plate 33 is improved; pressing plate 42 is pressed to the direction that is close to pressing hole 211, pressing plate 42 drives dead lever 41 and joint board 43 and removes and slides, make first latch 5 and the separation of second latch 6, remove the locking that inner tube 22 slided to being close to the sleeve pipe 21 direction, promote inner tube 22 to the direction that is close to sleeve pipe 21, make inner tube 22 withdraw in the sleeve pipe 21, loosen pressing plate 42, chucking spring 44 makes pressing plate 42 reset, first latch 5 meshes with second latch 6, accomplish the shrink to inner tube 22 in to sleeve pipe 21, it is more convenient to make the regulation of telescopic link 2 length.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. Flexible detachable angle frame device, including a plurality of telescopic links (2) that are used for supporting levelling rod (1), its characterized in that: one end of the telescopic rod (2) is hinged with a hinged plate (33), one end of the hinged plate (33) far away from the telescopic rod (2) is fixedly provided with a fixed panel (31), two ends of the fixed panel (31) in the length direction are fixedly provided with movable clamping plates (32), the movable clamping plates (32) and the fixed panel (31) form a movable clamping groove (314), the side wall of the leveling staff (1) adjacent to the scale surface is a mounting surface (14), the mounting surface (14) is fixedly provided with a clamping block (11) just opposite to the position of the movable clamping groove (314), the clamping block (11) is abutted against the inner wall of the movable clamping groove (314), the fixed panel (31) is provided with a fixed hole (311), the side wall of the clamping block (11) is provided with a threaded groove (111) just opposite to the position of the fixed hole (311), a movable bolt (312) is inserted into the fixed hole (311), and the movable, the telescopic rod (2) is provided with a fixing component (4) for fixing the length of the telescopic rod (2), and the mounting surface (14) is fixedly provided with a circular level gauge (13).

2. The telescopic removable corner bracket device according to claim 1, wherein: clamping strip holes (313) are formed in the side wall of the fixing panel (31), clamping strip plates (112) are fixedly arranged at the positions, right facing the clamping strip holes (313), of the side wall of the clamping block (11), and the clamping strip plates (112) are located in the clamping strip holes (313) and abut against the inner walls of the clamping strip holes (313).

3. The telescopic removable corner bracket device according to claim 1, wherein: the telescopic rod (2) comprises a sleeve (21) and an inner tube (22), the top end of the sleeve (21) is hinged to a hinged plate (33), an opening is reserved at the bottom of the sleeve (21), the inner tube (22) slides in the sleeve (21) through the opening at the bottom of the sleeve (21), the sliding direction is the same as the axial direction of the sleeve (21), the fixing component (4) is arranged between the sleeve (21) and the inner tube (22), and the bottom end of the inner tube (22) is fixedly provided with an anti-skid rubber pad (222).

4. The telescopic removable corner bracket device according to claim 3, wherein: the fixing assembly (4) comprises a fixing rod (41), a clamping plate (43), a pressing plate (42) and a clamping spring (44), the pressing plate (42) is fixedly arranged at one end of the fixing rod (41), a pressing hole (211) is formed in the bottom of the circumferential outer wall of the sleeve (21), a sliding strip hole (221) is formed in the position, right opposite to the pressing hole (211), of the circumferential side wall of the inner tube (22), one end, far away from the pressing plate (42), of the fixing rod (41) penetrates through the pressing hole (211) and the sliding strip hole (221) in sequence to extend into the inner tube (22), one end, located inside the inner tube (22), of the fixing rod (41) is fixedly connected with the clamping plate (43), the side wall, close to the fixing rod (41), of the clamping plate (43) is abutted against the circumferential inner wall of the inner tube (22), a first clamping tooth (5) is fixedly arranged on the side wall, abutted against the clamping plate (43), and a second clamping tooth (6) is fixedly arranged on the circumferential inner, first latch (5) and second latch (6) intermeshing, the lateral wall that pressing plate (42) is close to joint board (43) sets firmly chucking spring (44), and chucking spring (44) keep away from pressing plate (42) one end and sleeve pipe (21) circumference outer wall fixed connection.

5. The telescopic removable corner bracket device according to claim 4, wherein: an extension tube (421) is sleeved outside the clamping spring (44), one end of the extension tube (421) is fixedly connected with the pressing plate (42), and one end of the extension tube (421), which is far away from the pressing plate (42), is fixedly connected with the circumferential outer wall of the sleeve (21).

6. The telescopic removable corner bracket device according to claim 4, wherein: the tooth surface of the first clamping tooth (5) facing the anti-skid rubber mat (222) is a first end surface (51), the tooth surface of the first clamping tooth (5) facing away from the anti-skid rubber mat (222) is a first inclined surface (52), the tooth surface of the second clamping tooth (6) facing away from the anti-skid rubber mat (222) is a second end surface (61), the tooth surface of the second clamping tooth (6) facing the anti-skid rubber mat (222) is a second inclined surface (62), the first end surface (51) is abutted to the second end surface (61) and is perpendicular to the circumferential side wall of the inner tube (22), and the first inclined surface (52) is abutted to the second inclined surface (62).

7. The telescopic removable corner bracket device according to claim 1, wherein: and a handle (12) is fixedly arranged on the side wall of the leveling staff (1) adjacent to the scale surface.

8. The telescopic removable corner bracket device according to claim 3, wherein: the top end of the sleeve (21) is fixedly provided with a fixing plate (212), the fixing plate (212) is hinged with the hinged plate (33), the side wall of the fixing plate (212) opposite to the hinged plate (33) is provided with a fastening hole (2121), threads are distributed on the inner wall of the fastening hole (2121), the fastening hole (2121) is in threaded connection with a fastening bolt (2122), and the fastening bolt (2122) is abutted against the hinged plate (33).

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