CN111964526A

CN111964526A - Portable security device

Info

Publication number: CN111964526A
Application number: CN202010828989.0A
Authority: CN
Inventors: 赵文杰; 陈圆圆
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2020-11-20

Abstract

The invention discloses a portable security device, and relates to the technical field of security assembly structures. The safety protection fork comprises an adjustable fork head, a matching locking structure and a plurality of detachable portable extension pipes, wherein the adjustable fork head is connected with the detachable portable extension pipes through the matching locking structure. According to the invention, through the matching design of the adjustable fork head and the detachable portable extension pipe, the pipe body can be conveniently and rapidly detached in a sectional mode, so that good portability and use convenience are obtained, and good widening and shrinking are achieved through conveniently adjusting the width of the fork head, so that the pipe body is convenient to carry and apply.

Description

Portable security device

Technical Field

The invention relates to the technical field of security assembly structures, in particular to a portable security device.

Background

Can provide prevention or protection, in order to deal with the attack or avoid the victim, thereby make protected object be in there is not danger, do not receive the infringement, the security protection equipment of accident does not appear, thereby the means of taking precautions against reaches or realizes that the equipment or the equipment of safe purpose call as security protection equipment, security protection equipment is more of a kind, including the prong, the security protection fork, security protection ladder etc. wherein, current security protection fork is because overall structure too integrated design, lead to the fork head not be convenient for adjust the shrink, the fork body is not overall great, be not convenient for decompose, portable in the use, and the security protection ladder receives the influence of integrated design, lead to often not being convenient for in the use to adjust the user state according to the in service behavior of difference.

SUMMARY OF THE PATENT FOR INVENTION

The invention aims to provide a portable security device, which solves the existing problems that: the security protection fork in the device that has now leads to the jaw not convenient to adjust the shrink because overall structure is too integrated design, and the not general nature of fork body is great, and the not portable in the use is not convenient for decompose.

In order to achieve the purpose, the invention provides the following technical scheme: a portable security device comprises a security fork and a security ladder;

the security fork comprises an adjustable fork head, a matching locking structure and a plurality of detachable portable extension pipes;

the adjustable fork head is connected with the detachable portable extension pipe through a locking structure;

the detachable portable extension pipe comprises a matching locking pipe structure and a two-way terminating structure, the matching locking pipe structure is connected with the two-way terminating structure in a clamping mode, the matching locking pipe structure comprises a pipe connecting main body, an accommodating groove, a first spring and a locking clamping bead, the accommodating groove is formed in the top end and the bottom end of the pipe connecting main body, the first spring and the locking clamping bead are located inside the accommodating groove, the top end of the first spring is connected with the locking clamping bead in a welding mode, the two-way terminating structure comprises a pipe body main body, a guide inner mounting column and a derivation canceling locking connecting rod, the top end and the bottom end of the pipe body main body are connected with the guide inner mounting column in a welding mode, and the derivation canceling locking connecting rod is connected with the guide inner mounting column;

the security protection ladder is by two removable portable extension pipe constitutes with the climbing crossbeam, just the both ends that the climbing crossbeam passes through all through the screw with removable portable extension pipe includes join in marriage lock pipe structure fixed connection.

Preferably, the adjustable prong is adjusted manually.

Preferably, the adjustable fork head comprises a guide double-end access push rod, an external locking screw rod, a rotary push-guide ring, a reset displacement loop bar, a first push carrying loop block, a first positioning pin, a telescopic piston rod, a second push carrying loop block, a second positioning pin and a clamping fastening claw, wherein one end of the guide double-end access push rod is welded with the external locking screw rod, one end of the external locking screw rod is connected with a matching locking structure through threads, the peripheral side surface of the guide double-end access push rod is connected with the rotary push-guide ring through threads, one end of the rotary push-guide ring is rotatably connected with the reset displacement loop bar, one end of the reset displacement loop bar is welded with the first push carrying loop block, the top end and the bottom end of the first push carrying loop block are connected with the first positioning pin in an inserting manner, the first positioning pin is connected with the telescopic piston rod through a sleeve, one end of the telescopic piston rod is connected with the clamping fastening claw in a welded mode, one end of the clamping fastening claw is connected with the second positioning pin in a rotating mode, the second positioning pin and the second push the carrying sleeve block to be fixedly clamped, and the second push the carrying sleeve block and the guide double-end access push rod are locked and connected through the cooperation of a screw and a nut.

Preferably, the adjustable fork is adjusted electrically.

Preferably, the adjustable fork head comprises a first pushing and carrying sleeve block, a first positioning pin, a telescopic piston rod, a second pushing and carrying sleeve block, a second positioning pin, a clamping and fastening claw, an internally-installed pipe, a motor, a storage battery, an electrically-controlled assembling platform, an output threaded rod and a stroke limiting groove, wherein one end of the internally-installed pipe is welded with the electrically-controlled assembling platform, a control button module is further fixed at the top end of the electrically-controlled assembling platform, one end of the electrically-controlled assembling platform is fixedly connected with the storage battery, the motor is fixed in the electrically-controlled assembling platform through a screw, the control button module is electrically connected with the motor, the output end of the motor is rotatably connected with the output threaded rod, the other end of the internally-installed pipe is also rotatably connected with the inner side of the second pushing and carrying sleeve block, the stroke limiting groove is formed in the top end and the bottom end of the internally-installed pipe, and both the top end and the low end, the utility model discloses a motor, including the first inside of promoting to carry on the cover piece and pass through threaded connection with the output threaded rod, the top and the bottom of first promotion carrier sleeve piece all with first locating pin plug-in connection, first locating pin is connected through cup jointing with telescopic piston rod, telescopic piston rod's one end and joint fastening claw welded connection, joint fastening claw one end rotates with second locating pin to be connected, the second locating pin promotes to carry on cover piece fixed joint with the second, the second promotes to carry on the other end welded connection of cover piece and built-in piping, the internally mounted of control button module has the controller, controller and motor electric connection, just the battery all passes through electric connection with control button module and motor.

Preferably, join in marriage and adorn locking structure and include built-in sleeve pipe, extend the locking regulating block, join in marriage and lead the joint block and lock closed fixture block, the thread groove has been seted up to built-in sheathed tube inside, built-in sheathed tube both sides all with extend locking regulating block welded connection, extend the top of locking regulating block and join in marriage and lead joint block sliding connection, join in marriage the one end and the closed fixture block welded connection of locking that lead the joint block, lock closed fixture block and lock closed fixture block between through screw and nut cooperation lock joint.

Preferably, the square sliding pushing guide groove is formed in the guide built-in column, the pressing separation block is welded at one end of the deduction canceling locking rod, and the pressing separation block and the square sliding pushing guide groove are in clearance fit.

Preferably, one end of the guide built-in column is provided with a semicircular clamping locking groove, the diameter of the semicircular clamping locking groove is the same as that of the locking clamping bead, and the semicircular locking groove and the locking clamping bead are in clearance fit.

Preferably, a plurality of external threads are formed in one end, connected to the push rod, of the guide double-end, the rotary push ring is connected with the external threads through internal threads, the reset displacement sleeve rod is in clearance fit with the guide double-end connected push rod, and one end of the reset displacement sleeve rod is connected with the first push carrying sleeve block through a roller bearing.

Preferably, the security protection ladder further comprises a ladder bottom plate, and the ladder bottom plate is fixed at the two of the lowest ends of the bottoms of the pipe matching and locking structures.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the matching design of the adjustable fork head and the detachable portable extension pipe, the pipe body can be conveniently and rapidly detached in a sectional manner, so that good portability and use convenience are obtained, and good widening and shrinking are achieved by conveniently adjusting the width of the fork head, so that the pipe is convenient to carry and apply;

2. the invention assembles and forms the security ladder through various assembly designs of the structure, further forms good security lifting effect through assembling of multiple structures, and meets the security requirements of portability and adaptation to various different scenes.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention patent, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic view of a partial structure of an adjustable fork according to the present invention;

FIG. 3 is a schematic view of a portion of the removable portable extension tube of the present invention;

FIG. 4 is a partial schematic view of the locking structure of the present invention;

FIG. 5 is a schematic view of the connection operation of the bi-directional termination structure and the mating locking tube structure of the present invention;

FIG. 6 is a front view of the electrically adjustable prong of the present invention;

FIG. 7 is a schematic view of an electrically adjustable fork according to the present invention;

FIG. 8 is a sectional view of the security ladder of the present invention;

FIG. 9 is a schematic view of the clamping connection between the locking tube structure and the climbing beam according to the present invention;

fig. 10 is a clamping schematic view of the ladder base plate and the matched locking pipe structure.

In the figure: 1. the guide double ends are connected into a push rod; 2. a locking screw is externally connected; 3. rotating the push ring; 4. resetting the displacement sleeve rod; 5. a first push carrying sleeve block; 6. a first locating pin; 7. a telescopic piston rod; 8. a second pushing carrying sleeve block; 9. a second locating pin; 10. clamping a fastening claw; 11. an adjustable fork head; 12. a detachable portable extension tube; 13. a locking pipe structure is assembled; 14. a bidirectional termination structure; 15. assembling a locking structure; 16. a sleeve is arranged in the sleeve; 17. an adjusting block is locked in an extending way; 18. a guide connecting block is matched; 19. locking the closing fixture block; 20. a nozzle body; 21. accommodating grooves; 22. a first spring; 23. locking the clamping bead; 24. a tube body main body; 25. guiding the built-in column; 26. deducing and canceling a locking rod; 27. a built-in pipe; 28. a motor; 29. a storage battery; 30. an electric control assembly table; 31. an output threaded rod; 32. a stroke limiting groove; 33. a ladder bottom plate; 34. climbing a cross beam; 35. a security protection ladder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

The first embodiment is as follows:

referring to fig. 1-5, a portable security device, in particular a security fork, is disclosed.

The device comprises a plurality of detachable portable extension pipes 12 and an adjustable fork 11, wherein the detachable portable extension pipes 12 are connected with each other, and the detachable portable extension pipe 12 at one end is fixedly connected with the adjustable fork 11 through a locking structure 15;

specifically, the adjustable fork 11 comprises a guide double-end access push rod 1, an external locking screw rod 2, a rotary push guide ring 3, a reset displacement sleeve rod 4, a first push carrying sleeve block 5, a first positioning pin 6, a telescopic piston rod 7, a second push carrying sleeve block 8, a second positioning pin 9 and a clamping fastening claw 10, wherein one end of the guide double-end access push rod 1 is connected with the external locking screw rod 2 in a welding way, one end of the external locking screw rod 2 is connected with a matching locking structure 15 through threads, one end of the guide double-end access push rod 1 is provided with a plurality of external threads, the rotary push guide ring 3 is connected with the external threads through internal threads, the reset displacement sleeve rod 4 is in clearance fit with the guide double-end access push rod 1, one end of the reset displacement sleeve rod 4 is connected with the first push carrying sleeve block 5 through a roller bearing, one end of the rotary push guide ring 3 is rotatably connected with the reset displacement sleeve rod 4, one end of a reset displacement loop bar 4 is welded with a first push carrying loop block 5, the top end and the bottom end of the first push carrying loop block 5 are connected with a first positioning pin 6 in an inserting manner, the first positioning pin 6 is connected with a telescopic piston rod 7 in a sleeving manner, one end of the telescopic piston rod 7 is welded with a clamping fastening claw 10, one end of the clamping fastening claw 10 is rotatably connected with a second positioning pin 9, the second positioning pin 9 is fixedly clamped with a second push carrying loop block 8, and the second push carrying loop block 8 is locked with a guide double-end access push rod 1 through the matching of a screw and a nut;

the detachable portable extension pipe 12 comprises a matching locking connection pipe structure 13 and a two-way terminating structure 14, the matching locking connection pipe structure 13 is connected with the two-way terminating structure 14 in a clamping mode, the matching locking connection pipe structure 13 further comprises a connection pipe main body 20, a containing groove 21, a first spring 22 and a locking clamping bead 23, the containing groove 21 is formed in the top end and the bottom end of the connection pipe main body 20, the first spring 22 and the locking clamping bead 23 are located inside the containing groove 21, the top end of the first spring 22 is connected with the locking clamping bead 23 in a welding mode, the two-way terminating structure 14 further comprises a pipe body main body 24, a guide internal column 25 and a derivation canceling lock 26, the top end and the bottom end of the pipe body main body 24 are connected with the guide internal column 25 in a welding mode, the derivation canceling lock rod 26 is connected with the guide internal column 25 in a sliding mode, one end of the guide internal column 25 is provided with a semicircular clamping, the semicircular locking groove is in clearance fit with the locking clamping bead 23, a square sliding push guide groove is formed in the guide built-in column 25, one end of the derivation cancellation locking rod 26 is welded with a pressing separation block, and the pressing separation block is in clearance fit with the square sliding push guide groove;

the assembling and locking structure 15 comprises an internally-installed sleeve 16, an extension locking adjusting block 17, an assembling guide connecting block 18 and a locking closing clamping block 19, wherein a thread groove is formed in the internally-installed sleeve 16, two sides of the internally-installed sleeve 16 are both connected with the extension locking adjusting block 17 in a welding manner, the top end of the extension locking adjusting block 17 is connected with the assembling guide connecting block 18 in a sliding manner, one end of the assembling guide connecting block 18 is connected with the locking closing clamping block 19 in a welding manner, and the locking closing clamping block 19 is matched and locked with the locking closing clamping block 19 through screws and nuts;

here, through rotating rotatory guide ring 3 that pushes away, make rotatory guide ring 3 lie in that the screw-thread fit who leads bi-polar access push rod 1 one end connects the in-process and form good derivation displacement, thereby promote first promotion and carry on sleeve block 5 and insert push rod 1 department at the direction bi-polar and slide the displacement, the power that this displacement formed drives telescopic piston rod 7 through the transmission of first locating pin 6 and promotes, make telescopic piston rod 7 promote joint fastening claw 10 and follow second locating pin 9 and rotate the displacement, open the support angle of joint fastening claw 10 to the size the same with the registration arm external diameter, form the location joint of security protection, through the connection of a plurality of removable portable extension pipes 12, extend the use length.

Example two:

referring to fig. 6-7, on the basis of the first embodiment, the adjustable fork 11 is driven by an electric motor instead of a manual motor, specifically:

the only difference between this embodiment and the first embodiment is the structure of the adjustable fork 11, in this embodiment:

the adjustable fork head 11 comprises a first pushing carrying sleeve block 5, a first positioning pin 6, a telescopic piston rod 7, a second pushing carrying sleeve block 8, a second positioning pin 9, a clamping fastening claw 10, an internal assembling pipe 27, a motor 28, a storage battery 29, an electronic control assembling table 30, an output threaded rod 31 and a stroke limiting groove 32, wherein one end of the internal assembling pipe 27 is welded with the electronic control assembling table 30, a control button module is fixed at the top end of the electronic control assembling table 30, a controller is installed inside the control button module and is electrically connected with the motor 28, the storage battery 29, the control button module and the motor 28 are electrically connected, one end of the electronic control assembling table 30 is fixedly connected with the storage battery 29, the motor 28 is fixed inside the electronic control assembling table 30 through a screw, the control button module is electrically connected with the motor 28, the output end of the motor 28 is rotatably connected with the output threaded rod 31, the other end of the built-in tubing 27 is also rotatably connected with the inner side of the second push carrying sleeve block 8, a stroke limiting groove 32 is formed in the top end and the bottom end of the built-in tubing 27, limiting clamp plates are welded on the top end and the bottom end of the first push carrying sleeve block 5, the limiting clamp plates are in clearance fit with the stroke limiting groove 32, the top end and the bottom end of the first push carrying sleeve block 5 are slidably connected with the stroke limiting groove 32, the inner part of the first push carrying sleeve block 5 is in threaded connection with an output threaded rod 31, the top end and the bottom end of the first push carrying sleeve block 5 are in splicing connection with a first positioning pin 6, the first positioning pin 6 is in sleeve connection with a telescopic piston rod 7, one end of the telescopic piston rod 7 is in welded connection with a clamping fastening claw 10, one end of the clamping fastening claw 10 is rotatably connected with a second positioning pin 9, and the second positioning pin 9 is fixedly clamped with the second push, the second push carrying sleeve block 8 is connected with the other end of the built-in pipe 27 in a welding mode;

here, the power that provides through battery 29, the control to motor 28 is accomplished to cooperation control button module, make motor 28 output drive output threaded rod 31 accomplish and rotate, utilize output threaded rod 31 and first promotion to carry on being connected of cover block 5, carry on cover block 5 with the torque conduction to first promotion, utilize first promotion to carry on cover block 5 top and bottom and stroke spacing groove 32's sliding connection, it is spacing to form, make the spacing derivation displacement power that forms of torque, derive joint clamping fastening claw 10 and form open clamping angle, accomplish the clamping and adjust, make the device reduce manpower consumption through electronic, more convenient to use.

Example three:

referring to fig. 8-10, on the basis of embodiment 1, a security ladder 35 is disclosed, which includes two sets of tube-matching and locking structures 13 and two-way terminating structures 14, and the two sets of tube-matching and locking structures 13 and the two-way terminating structures 14 are connected by a climbing beam 34, specifically:

the security ladder 35 comprises a locking pipe structure 13, a two-way end connection structure 14, a ladder bottom plate 33 and a climbing beam 34, the locking pipe structure 13 and the locking pipe structure 13 are fixedly connected with the climbing beam 34 through threads, the locking pipe structure 13 and the two-way end connection structure 14 are connected in a clamping mode, and the locking pipe structure 13 at the bottommost end is connected with the ladder bottom plate 33 in a clamping mode;

here, through will scramble crossbeam 34 through screw thread joint with join in marriage lock and take over structure 13 department, make joining in marriage lock and take over structure 13 and accomplish the connection at both ends, join in marriage the lock and take over structure 13 of bottom again and preferentially accomplish the joint with the both sides on ladder bottom plate 33 top, thereby make joining in marriage lock and take over structure 13 and obtain good basic location, through joining in proper order lock and take over structure 13 and two-way terminating structure 14, accomplish high regulation, owing to join in marriage lock and take over structure 13, two-way terminating structure 14, ladder bottom plate 33 and the convenient some of separating of climbing crossbeam 34, convenient carrying after the split of being convenient for, also be convenient for adjust the equipment according to service environment.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a portable security protection device which characterized in that: comprises a security fork and a security ladder (35);

the security fork comprises an adjustable fork head (11), a matching locking structure (15) and a plurality of detachable portable extension pipes (12);

the adjustable fork head (11) is connected with the detachable portable extension pipe (12) through a matched locking structure (15);

detachable portable extension pipe (12) is including joining in marriage lock take-over structure (13) and two-way terminating structure (14), join in marriage lock take-over structure (13) and be connected with two-way terminating structure (14) joint, join in marriage lock take-over structure (13) and be connected including taking over main part (20), holding tank (21), first spring (22) and closure joint pearl (23), the top and the bottom of taking over main part (20) are seted up in holding tank (21), first spring (22) all are located the inside of holding tank (21) with closure joint pearl (23), the top and the closure joint pearl (23) welded connection of first spring (22), two-way terminating structure (14) are including pipe shaft main part (24), the interior post of direction (25) and derive and cancel lock pole (26), the top and the bottom of pipe shaft main part (24) all with the interior post of direction (25) welded connection, the derivation canceling locking rod (26) is connected with the inner part of the guide inner post (25) in a sliding way;

security protection ladder (35) are by two removable portable extension pipe (12) constitute with climbing crossbeam (34), just the both ends that climbing crossbeam (34) passed through all through the screw with removable portable extension pipe (12) include join in marriage lock pipe structure (13) fixed connection.

2. The portable security device of claim 1, wherein: the adjustable fork head (11) is adjusted manually.

3. The portable security device of claim 2, wherein: the adjustable fork head (11) comprises a guide double-end access push rod (1), an external locking screw rod (2), a rotary push ring (3), a reset displacement sleeve rod (4), a first push carrying sleeve block (5), a first positioning pin (6), a telescopic piston rod (7), a second push carrying sleeve block (8), a second positioning pin (9) and a clamping fastening claw (10), wherein one end of the guide double-end access push rod (1) is connected with the external locking screw rod (2) in a welding manner, one end of the external locking screw rod (2) is connected with an assembling and locking structure (15) in a threaded manner, the peripheral side surface of the guide double-end access push rod (1) is connected with the rotary push ring (3) in a threaded manner, one end of the rotary push ring (3) is connected with the reset displacement sleeve rod (4) in a rotating manner, one end of the reset displacement sleeve rod (4) is connected with the first push carrying sleeve block (5) in a welding manner, the first top and the bottom that promote to carry on collets (5) all with first locating pin nail (6) plug-in connection, first locating pin nail (6) are connected through cup jointing with telescopic piston rod (7), the one end and joint fastening claw (10) welded connection of telescopic piston rod (7), joint fastening claw (10) one end rotates with second locating pin nail (9) to be connected, second locating pin nail (9) promote with the second and carry on collets (8) fixed joint, the second promotes to carry on collets (8) and direction bi-polar access push rod (1) and passes through screw nut cooperation lock joint.

4. The portable security device of claim 1, wherein: the adjustable fork head (11) is adjusted in an electric mode.

5. The portable security device of claim 4, wherein: the adjustable fork head (11) comprises a first pushing carrying sleeve block (5), a first positioning pin (6), a telescopic piston rod (7), a second pushing carrying sleeve block (8), a second positioning pin (9), a clamping fastening claw (10), an internal assembling pipe (27), a motor (28), a storage battery (29), an electric control assembling table (30), an output threaded rod (31) and a stroke limiting groove (32), wherein one end of the internal assembling pipe (27) is welded with the electric control assembling table (30), a control button module is further fixed at the top end of the electric control assembling table (30), one end of the electric control assembling table (30) is fixedly connected with the storage battery (29), the motor (28) is fixed inside the electric control assembling table (30) through a screw, the control button module is electrically connected with the motor (28), and the output end of the motor (28) is rotatably connected with the output threaded rod (31), the other end of built-in piping (27) promotes with the second and carries on the cover block (8) inboard and also be connected for rotating, top and bottom in built-in piping (27) are seted up to stroke spacing groove (32), the top and the low side that first promotion carried on cover block (5) all with stroke spacing groove (32) sliding connection, the inside and output threaded rod (31) of first promotion carried on cover block (5) pass through threaded connection, the top and the bottom that first promotion carried on cover block (5) all with first locating pin nail (6) plug-in connection, first locating pin (6) are connected through cup jointing with telescopic piston rod (7), the one end and the joint fastening claw (10) welded connection of telescopic piston rod (7), joint fastening claw (10) one end rotates with second locating pin (9) to be connected, second locating pin (9) carry on with the second and promote the fixed joint of cover block (8), the second pushing carrying sleeve block (8) is connected with the other end of the built-in pipe (27) in a welding mode, a controller is installed inside the control button module and electrically connected with the motor (28), and the storage battery (29) is electrically connected with the control button module and the motor (28).

6. The portable security device of claim 1, wherein: join in marriage dress locking structure (15) and lead connecting block (18) and locking closed fixture block (19) including built-in sleeve pipe (16), extension locking regulating block (17), joining in marriage, the thread groove has been seted up to the inside of built-in sleeve pipe (16), the both sides of built-in sleeve pipe (16) all with extend locking regulating block (17) welded connection, extend the top of locking regulating block (17) and join in marriage and lead connecting block (18) sliding connection, join in marriage the one end and locking closed fixture block (19) welded connection who leads connecting block (18), lock closed fixture block (19) and lock between closed fixture block (19) through screw and nut cooperation lock.

7. The portable security device of claim 5, wherein: the square sliding push guide groove is formed in the guide inner mounting column (25), a pressing separation block is welded at one end of the deduction canceling locking rod (26), and the pressing separation block and the square sliding push guide groove are in clearance fit.

8. The portable security device of claim 1, wherein: the guide inner column (25) is provided with a semicircular clamping locking groove at one end, the diameter of the semicircular clamping locking groove is the same as that of the locking clamping bead (23), and the semicircular locking groove is in clearance fit with the locking clamping bead (23).

9. The portable security device of claim 3, wherein: a plurality of external threads are formed in one end, connected to the push rod (1), of the guide double-end, the rotary push ring (3) is connected with the external threads through internal threads, the reset displacement sleeve rod (4) is in clearance fit with the guide double-end connected push rod (1), and one end of the reset displacement sleeve rod (4) is connected with the first pushing carrying sleeve block (5) through a roller bearing.

10. The portable security device of claim 1, wherein: security protection ladder (35) are still including a ladder bottom plate (33), just ladder bottom plate (33) are fixed in two of least significant end join in marriage the bottom of locking pipe structure (13).