CN214028457U

CN214028457U - Telescopic brace rod

Info

Publication number: CN214028457U
Application number: CN202022935856.1U
Authority: CN
Inventors: 莫佳滨
Original assignee: Dongguan Haozhi Kinetic Energy Technology Co ltd
Current assignee: Dongguan Haozhi Kinetic Energy Technology Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-24
Anticipated expiration: 2030-12-10

Abstract

The utility model provides a telescopic vaulting pole, including the inner tube, outer tube and locking device, locking device sets up the right-hand member at the outer tube, be provided with spacing recess on the inner tube, locking device includes the locking seat, push away handle subassembly and stopper, the stopper is installed on the locking seat, first screw rod still overlaps and is equipped with the torsional spring, it includes the handle to push away the handle subassembly, the extension spring, spacing locking seat and unblock handle, the handle is installed on the locking seat, the lower extreme at the handle is installed to spacing locking seat, the left end at spacing locking seat is installed to the unblock handle, the right lower extreme of spacing locking seat is provided with the spacing tooth of second, the locking seat is provided with first limit screw and second limit screw, the one end of extension spring is installed on first limit screw, the left end at spacing locking seat is installed to the other end of extension spring. The utility model discloses make things convenient for old person's use, adjust the vaulting pole to best length easily for the vaulting pole has the optimal support state, thereby can guarantee that electric hoist installs and hang more firmly when old person's electric motor car on the vaulting pole.

Description

Telescopic brace rod

Technical Field

The utility model relates to a vaulting pole spare field, in particular to telescopic vaulting pole.

Background

Along with the popularity of the electric motor car for the old, the old needs to carry a foldable electric motor car for the old when going out many times, but the common electric motor car for the old is heavy, when the electric motor car is lifted up to the tail box of the automobile, 2 persons are generally needed to lift the electric motor car for the old into the tail box of the automobile, in order to ensure the convenience of the old alone, one electric motor car for the old is provided with an electric crane which needs to be fixed on the tail box of the automobile through a telescopic stay bar, the electric crane can be disassembled after being used up, but the telescopic stay bar in the prior art is very troublesome when the length of the telescopic stay bar is adjusted, the telescopic stay bar in the prior art, such as the application number CN200720082806.5 of Chinese utility model, published as 2008-10-15, an adjustable spiral telescopic positioning stay bar, the stay bar of which is composed of a left stay bar butted by a left-hand screw thread and a right-hand stay bar, and the length of which is adjusted by a spiral handle at a connecting point, when fixed, will support the both ends of telescopic link respectively on the both sides face of the inside of car back boot, then the length of telescopic stay is adjusted to the spiral handle through the nexus department, but because the flexible stay of pole sets up this kind of comparatively confined occasion behind the car in the car back boot, need rotatory spiral handle when adjusting, thereby need the old man to bow the health and apply for rotatory spiral handle behind the car back boot, because old man's hand strength is comparatively weak, therefore very draft when rotatory spiral handle, and be difficult to adjust the best length with telescopic stay, make telescopic stay not be in the optimal support state, electric hoist installs on telescopic stay like this, can be insecure equally.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a telescopic vaulting pole of convenient regulation.

In order to achieve the above object, the present invention provides the following technical solutions:

a telescopic support rod comprises an inner tube, an outer tube and a locking device, wherein the inner tube is installed in the outer tube and can move in the outer tube, the locking device is arranged at the right end of the outer tube, the locking device can be used for adjusting the length of the inner tube extending out of the outer tube and fixing the inner tube on the outer tube, a plurality of limiting grooves are formed in the upper surface of the inner tube along the length direction, the locking device comprises a locking seat, a push handle assembly and a limiting block, an installation part for accommodating the push handle assembly and the limiting block is arranged on the upper portion of the locking seat, the right end of the outer tube is installed at the bottom of the installation part and is positioned below the push handle assembly and the limiting block at the left end, the push handle assembly is installed at the right end of the installation part, the limiting block is positioned at the left end of the push handle assembly and is installed at the left end of the installation part, the limiting block is installed on the locking seat through a first screw rod, and the first screw rod is further sleeved with a torsional spring, the torsion spring can drive a first limiting tooth of the limiting block to rotate clockwise around the first screw rod and be inserted into a limiting groove of the inner tube, the push handle assembly comprises a handle, a tension spring, a limiting locking seat and an unlocking handle, the handle is rotatably arranged on the locking seat through a first fixed shaft, a hollow part is arranged in the middle of the limiting locking seat, the lower end of the handle is positioned in the hollow part, the limiting locking seat is arranged at the lower end of the handle through a second fixed shaft, the unlocking handle is arranged at the left end of the limiting locking seat and is positioned above the limiting block, a second limiting tooth is arranged at the right lower end of the limiting locking seat, a first limiting screw rod and a second limiting screw rod are further arranged at the upper right side of the mounting part of the locking seat, the first limiting screw rod is positioned at the upper left side of the handle, the second limiting screw rod is positioned at the lower right side of the handle, one end of the tension spring is arranged on the first limiting screw rod, the other end of extension spring is installed at the left end of limit locking seat, the handle can drive limit locking seat and be rotary motion to the spacing tooth of second that drives limit locking seat inserts or leaves the spacing recess on the inner tube, when the spacing tooth of second left spacing recess, the spacing tooth synchronous drive inner tube of second moved right, drive the spacing tooth of stopper counter-clockwise turning drive and leave spacing recess when the inner tube moved right.

Further, the inner pipe and the outer pipe are square pipes.

Further, still the cover is equipped with the sleeve pipe on the first screw rod, the sleeve pipe is located torsional spring one side.

Further, the first screw is fixed on the locking seat through a first locknut.

Furthermore, the left end of the limiting block extends leftwards to form a pressing part, an anti-skidding groove is formed in the pressing part, a limiting rod is arranged below the pressing part, and the limiting rod can limit the limiting block to rotate anticlockwise.

Furthermore, the left side edge of the first limiting tooth of the limiting block is provided with an inclined surface, and the inclined surface faces the lower right side.

Further, the unblock handle includes handle head, second screw rod, second lock nut and third lock nut, the handle head passes through the second lock nut and installs the left end at the second screw rod, the right-hand member of second screw rod passes through the third lock nut and installs the left end at spacing locking seat, through pressing the handle head can drive spacing locking seat around the second dead axle anticlockwise rotation to drive the spacing tooth of second and break away from out the spacing recess, can drive stopper anticlockwise rotation when the handle head continues anticlockwise rotation, thereby drive first spacing tooth and break away from out the spacing recess.

Further, the handle head is made of rubber materials.

Furthermore, the bottom of the inner pipe is provided with a clearance groove along the length direction of the inner pipe, the bottom of the locking seat is installed at the bottom of the outer pipe through a third limiting screw, and the third limiting screw extends out of the clearance groove inside.

The utility model has the advantages that:

when the length of the inner pipe extending out of the outer pipe needs to be adjusted, firstly, the handle is pulled to rotate anticlockwise around the first fixed shaft, so that the limiting locking seat is driven to rotate anticlockwise, when the limiting locking seat rotates anticlockwise, the second limiting tooth is upwards separated from the limiting groove of the inner pipe, the inner pipe is driven to move rightwards, the first limiting tooth which is moved rightwards can drive the limiting block to leave the limiting groove, when the second limiting tooth is separated from the limiting groove, the first limiting tooth can be inserted into the next limiting groove, then the second limiting tooth is also continuously inserted into the next limiting groove, so that the length of the inner pipe moving rightwards is the distance between the two limiting grooves, when the inner pipe needs to be adjusted rightwards to the optimal length to ensure the optimal supporting force of the telescopic stay bar, and when the second limiting tooth drives the inner pipe to move rightwards, the right-hand member of inner tube can produce a thrust reversal left, the utility model discloses when first spacing tooth left spacing recess, the spacing tooth of second can insert another spacing recess in step to can restrict the inner tube and move left. To sum up, the utility model discloses when adjusting the flexible length of inner tube, only need pull the spanner repeatedly and can realize the regulation to inner tube length to great having made things convenient for old person's use, pulling the required power of spanner very little, adjusting the vaulting pole to best length very easily moreover, making the vaulting pole have the optimal support state, thereby can guarantee that electric crane installs and hang more firmly when old person's electric motor car on the vaulting pole.

Drawings

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

FIG. 2 is a schematic view of the partially enlarged three-dimensional structure of the present invention;

FIG. 3 is a schematic view of the structure of the partially exploded perspective view of the present invention;

fig. 4 is a partial cross-sectional view of the present invention;

fig. 5 is a partially enlarged view of a portion a in fig. 4.

Detailed Description

The invention is further explained below with reference to the drawings:

as shown in fig. 1 to 5, a telescopic brace rod comprises an inner tube 1, an outer tube 2 and a locking device 3, wherein the inner tube 1 is installed in the outer tube 2 and can move in the outer tube 2, the locking device 3 is arranged at the right end of the outer tube 2, the locking device 3 can be used for adjusting the length of the inner tube 1 extending out of the outer tube 2 and fixing the inner tube 1 on the outer tube 2, the upper surface of the inner tube 1 is provided with a plurality of limiting grooves 11 along the length direction, the locking device 3 comprises a locking seat 31, a push handle assembly and a limiting block 33, the upper part of the locking seat 31 is provided with an installation part 311 for accommodating the push handle assembly and the limiting block 33, the right end of the outer tube 2 is installed at the bottom of the installation part 311 and is positioned at the left lower part of the push handle assembly and the limiting block 33, the push handle assembly is installed at the right end of the installation part 311, the limiting block 33 is positioned at the left side of the push handle assembly, and install the left end at installation department 311, stopper 33 is installed on locking seat 31 through first screw rod 37, first screw rod 37 still overlaps and is equipped with torsional spring 38, torsional spring 38 can drive first spacing tooth 331 of stopper 33 and insert in the spacing recess 11 of inner tube 1 around first screw rod 37 clockwise rotation, it includes handle 321, extension spring 322, spacing locking seat 323 and unblock handle 324 to push away the handle subassembly, handle 321 installs on locking seat 31 through the rotatable 325 of first dead axle, the middle part of spacing locking seat 323 is provided with keeps away empty portion 3231, the lower extreme of handle 321 is located keeps away empty portion 3231, the lower extreme at handle 321 is installed through second dead axle 3232 to spacing locking seat 323, unblock handle 324 installs the left end at spacing locking seat 323, and is located the top of stopper 33, the right lower extreme of spacing locking seat is provided with second spacing tooth 3233, the upper right side of the installation department 311 of locking seat 31 still is provided with first stop screw 34 and second stop screw 35, first stop screw 34 is located the upper left side of handle 321, second stop screw 35 is located the right side below of handle 321, the one end of extension spring 322 is installed on first stop screw 34, the left end at spacing locking seat 323 is installed to the other end of extension spring 322, handle 321 can drive spacing locking seat 323 and be rotary motion to the spacing tooth 3233 of second that drives spacing locking seat 323 inserts or leaves spacing recess 11 on the inner tube 1, when spacing tooth 3233 of second leaves spacing recess 11, the spacing tooth 3233 synchronous drive inner tube 1 of second moves right, drive spacing tooth 33 anticlockwise rotation when the inner tube 1 moves right and drive spacing tooth 331 and leave spacing recess 11.

In this embodiment, the inner tube 1 and the outer tube 2 are square tubes.

In this embodiment, the first screw 37 is further sleeved with a sleeve 40, and the sleeve 40 is located on one side of the torsion spring 38.

In this embodiment, the first screw 37 is fixed on the locking seat 31 by a first locknut 39.

In this embodiment, the left end of the limiting block 33 extends leftwards to form a pressing portion 332, the pressing portion 332 is provided with an anti-slip groove 334, the limiting rod 36 is disposed below the pressing portion 332, and the limiting rod 36 can limit the limiting block 33 to rotate anticlockwise.

In this embodiment, the left side of the first limiting tooth 331 of the limiting block 33 is provided with an inclined surface 333, and the inclined surface 333 is arranged towards the lower right. When the inner tube moves rightward, the inclined surface 333 is provided so that the side surface of the stopper groove 11 of the inner tube 1 abuts against the inclined surface 333, and the first stopper tooth 331 is more easily driven to move away from the stopper groove 11.

In this embodiment, the unlocking handle 324 includes a handle head 3241, a second screw rod 3242, a second locknut and a third locknut, the handle head 3241 is installed at the left end of the second screw rod 3242 through the second locknut, the right end of the second screw rod 3242 is installed at the left end of the limiting locking seat 323 through the third locknut, the handle head 3241 is pressed to drive the limiting locking seat 323 to rotate counterclockwise around a second fixed shaft 3232, so as to drive the second limiting tooth 3233 to disengage from the limiting groove 11, and the handle head 3241 drives the limiting block 33 to rotate counterclockwise when continuing rotating counterclockwise, so as to drive the first limiting tooth 331 to disengage from the limiting groove 11. Through setting up unblock handle 324, make people need earlier tentatively adjust when the length that inner tube 1 stretches out outer tube 2, directly press handle head 3241, handle head 3241 drive spacing locking seat 323 is around second dead axle 3232 anticlockwise rotation, thereby drive second spacing tooth 3233 and break away from out spacing recess 11, and handle head 3241 can drive spacing 33 anticlockwise rotation when continuing anticlockwise rotation, thereby drive first spacing tooth 331 and break away from out spacing recess 11, first spacing tooth 331 and second spacing tooth 3233 all leave spacing recess 11 like this, make inner tube 1 can move to the right, support by the automobile trunk inboard face up to the right-hand member of inner tube 1, the extension length of inner tube 1 is further adjusted to the rethread handle. Thereby facilitating people to quickly and preliminarily adjust the length of the inner pipe 1.

In this embodiment, the handle head 3241 is made of rubber.

In this embodiment, the bottom of the inner tube 1 is provided with a clearance groove 12 along the length direction of the inner tube 1, the bottom of the locking seat 31 is installed at the bottom of the outer tube 2 through a third limit screw 41, and the third limit screw 41 extends upwards out of the clearance groove 12 inside. The third limit screw 41 and the clearance groove 12 are provided so that the third limit screw 41 can limit the inner pipe 1 from being completely separated from the outer pipe 2 when the inner pipe 1 is protruded from the left end 2 of the outer pipe.

The utility model discloses a theory of operation does:

when the length of the inner tube 1 extending out of the outer tube 2 needs to be adjusted, firstly, the handle 321 is pulled to rotate anticlockwise around the first fixing shaft 325, so as to drive the limit locking seat 323 to rotate anticlockwise, when the limit locking seat 323 rotates anticlockwise, the second limit tooth 3233 is upwards separated from the limit groove 11 of the inner tube, the inner tube 1 is driven to move rightwards, the inner tube 1 moves rightwards, the first limit tooth 3232 of the limit block 33 is driven to also leave the limit groove 11 when moving rightwards, when the second limit tooth 3233 is separated from the limit groove 11, the first limit tooth 3232 is inserted into the next limit groove 11, then the second limit tooth 3233 is also continuously inserted into the next limit groove 11, so that the length of the inner tube 1 moving rightwards is the distance between the two limit grooves 11, the utility model discloses a limit block 33 is arranged, when the inner tube 1 needs to be adjusted rightwards to the optimal length to ensure the optimal supporting force of the telescopic supporting rod, when spacing tooth 3233 drive inner tube 1 of second moved right, the right-hand member of inner tube 1 can produce a thrust reaction left, the utility model discloses when first spacing tooth 3232 left spacing recess 11, spacing tooth 3233 of second can insert in another spacing recess 11 in step to can restrict inner tube 1 and move left. To sum up, the utility model discloses when adjusting the flexible length of inner tube, only need pull the spanner repeatedly and can realize the regulation to inner tube length to great having made things convenient for old person's use, pulling the required power of spanner very little, adjusting the vaulting pole to best length very easily moreover, making the vaulting pole have the optimal support state, thereby can guarantee that electric crane installs and hang more firmly when old person's electric motor car on the vaulting pole.

The above description is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. A telescopic vaulting pole which characterized in that: the inner tube is installed in the outer tube and can move in the outer tube, the locking device is arranged at the right end of the outer tube, the locking device can be used for adjusting the length of the inner tube extending out of the outer tube and fixing the inner tube on the outer tube, a plurality of limiting grooves are formed in the upper surface of the inner tube along the length direction, the locking device comprises a locking seat, a pushing handle assembly and a limiting block, an installation part for accommodating the pushing handle assembly and the limiting block is arranged on the upper portion of the locking seat, the right end of the outer tube is installed at the bottom of the installation part and located below the left side of the pushing handle assembly and the limiting block, the pushing handle assembly is installed at the right end of the installation part, the limiting block is located on the left side of the pushing handle assembly and installed at the left end of the installation part, the limiting block is installed on the locking seat through a first screw rod, and the first screw rod is further sleeved with a torsional spring, the torsion spring can drive a first limiting tooth of the limiting block to rotate clockwise around the first screw rod and be inserted into a limiting groove of the inner tube, the push handle assembly comprises a handle, a tension spring, a limiting locking seat and an unlocking handle, the handle is rotatably arranged on the locking seat through a first fixed shaft, a hollow part is arranged in the middle of the limiting locking seat, the lower end of the handle is positioned in the hollow part, the limiting locking seat is arranged at the lower end of the handle through a second fixed shaft, the unlocking handle is arranged at the left end of the limiting locking seat and is positioned above the limiting block, a second limiting tooth is arranged at the right lower end of the limiting locking seat, a first limiting screw rod and a second limiting screw rod are further arranged at the upper right side of the mounting part of the locking seat, the first limiting screw rod is positioned at the upper left side of the handle, the second limiting screw rod is positioned at the lower right side of the handle, one end of the tension spring is arranged on the first limiting screw rod, the other end of extension spring is installed at the left end of limit locking seat, the handle can drive limit locking seat and be rotary motion to the spacing tooth of second that drives limit locking seat inserts or leaves the spacing recess on the inner tube, when the spacing tooth of second left spacing recess, the spacing tooth synchronous drive inner tube of second moved right, drive the spacing tooth of stopper counter-clockwise turning drive and leave spacing recess when the inner tube moved right.

2. A telescoping brace as in claim 1, wherein: the inner pipe and the outer pipe are square pipes.

3. A telescoping brace as in claim 1, wherein: still the cover is equipped with the sleeve pipe on the first screw rod, the sleeve pipe is located torsional spring one side.

4. A telescoping brace as in claim 1, wherein: the first screw rod is fixed on the locking seat through a first locknut.

5. A telescoping brace as in claim 1, wherein: the left end of the limiting block extends leftwards to form a pressing portion, an anti-skidding groove is formed in the pressing portion, a limiting rod is arranged below the pressing portion, and the limiting rod can limit the limiting block to rotate anticlockwise.

6. A telescoping brace as in claim 1, wherein: the left side limit of the first spacing tooth of stopper is provided with the inclined plane, the inclined plane sets up towards the right side below.

7. A telescoping brace as in claim 1, wherein: the unblock handle includes handle head, second screw rod, second lock nut and third lock nut, the handle head passes through the second lock nut and installs the left end at the second screw rod, the right-hand member of second screw rod passes through the third lock nut and installs the left end at spacing locking seat, through pressing the handle head can drive spacing locking seat around the second dead axle anticlockwise rotation to drive the spacing tooth of second and break away from out spacing recess, can drive stopper anticlockwise rotation when the handle head continues anticlockwise rotation, thereby drive first spacing tooth and break away from out spacing recess.

8. A telescoping brace as in claim 7, wherein: the handle head is made of rubber materials.

9. A telescoping brace as in claim 1, wherein: the bottom of the inner pipe is provided with a clearance groove along the length direction of the inner pipe, the bottom of the locking seat is installed at the bottom of the outer pipe through a third limiting screw, and the third limiting screw extends out of the clearance groove inside the locking seat.