CN213005851U

CN213005851U - Hidden handle structure

Info

Publication number: CN213005851U
Application number: CN202021167506.9U
Authority: CN
Inventors: 陈先均; 陈晓锋; 伍永泽
Original assignee: China Metallurgical Construction Engineering Group Co Ltd
Current assignee: China Metallurgical Construction Engineering Group Co Ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-04-20
Anticipated expiration: 2030-06-22

Abstract

The utility model discloses a hidden handle structure of pulling, including adjusting the pole, the pole body of adjusting the pole is gone up the symmetry axis symmetry and is fixed with the supporting shoe, it has the holding tank to extend on the supporting shoe and back to one side of adjusting the pole, the tank bottom of holding tank is fixed with the free bearing, it has the pull rod to articulate on the free bearing, the other end of pull rod articulates there is the slide bar, the distal end symmetry of slide bar is provided with the location shrinkage pool, be provided with the location bolt in the shrinkage pool of location, the hole bottom of location shrinkage pool is provided with positioning spring and location bolt, the distal end of location bolt stretches out in the shrinkage pool of location, the cell wall of holding tank is provided with location jack and location support hole respectively, when pull rod and slide bar all hold in the holding tank, the location bolt inserts in the location jack, when. The utility model discloses simple structure, convenient to use not only draws the regulating lever easily, has alleviateed the burden, has also avoided the emergence of the injured condition of palm simultaneously.

Description

Hidden handle structure

Technical Field

The utility model relates to a handle structure, concretely relates to hidden handle structure that draws.

Background

The assembled bridge type cross section commonly used in China has two types, namely a solid slab and a hollow slab. The solid slab has the advantages of simple shape, convenient construction, easy control of construction quality, small building height, large integral rigidity of the structure and the like, but the section material is not economical, the dead weight is large, the transportation is inconvenient, if the cast-in-place construction is influenced by seasons and climate, templates and supports are required, and the span is generally not more than 8 meters. The hollow slab has light weight compared with a solid slab with the same span, is convenient to transport and install, has smaller building height than an Ť beam with the same span, has various hollow forms in the middle, can reduce dead weight, and simultaneously makes full use of materials. When the span is increased, the bridge is not heavy and uneconomical, so that the bridge is mainly used on bridges with small and medium spans. The hollow slab is divided into a cast-in-place hollow slab and a prefabricated hollow slab, a hollow part needs to be supported by a formwork, and then the formwork is supported by a formwork supporting device. But the length of hollow slab is longer, if meet hollow part cross-sectional dimension less, then at the in-process of later stage form removal, need constructor to enter into the inside of precast bridge hollow beam board, demolish the template again after demolising strutting arrangement, strutting arrangement will cause the hindrance to constructor's business turn over simultaneously, influences and demolishs the time limit for a project, and not only demolishs the trouble, has also increased constructor's work burden moreover.

In order to determine the technical problem, the inventor invents a hollow beam slab inner mold supporting device, which comprises a sleeve, wherein an adjusting rod which can be in sliding fit with the sleeve along the direction of the central line of the sleeve is inserted into the sleeve, two ends of the adjusting rod respectively extend out of the sleeve, adjusting nuts are respectively in threaded fit with two ends of the adjusting rod which are positioned outside the sleeve, the adjusting nuts can be abutted against the end part of the sleeve on one side of the adjusting nut to limit the movement of the adjusting rod along the direction of the central line of the sleeve, a plurality of transverse supporting mechanisms are arranged on the sleeve at intervals along the length direction of the sleeve, each transverse supporting mechanism comprises transverse bar holes which are symmetrically arranged by taking the central line of the sleeve as a symmetric axis, the transverse bar holes are communicated with an inner hole of the sleeve, the transverse bar holes are arranged in an extending manner parallel to the central line of the sleeve, and each transverse supporting mechanism further comprises transverse, the horizontal support rods are arranged in an extending mode along the radial direction of the sleeve, the two horizontal support rods are located in two horizontal bar holes and in the direction of one end in the length direction of the horizontal bar holes, the central lines of the two horizontal support rods and the central lines of the two corresponding horizontal bar holes are located on the same plane, the positions, corresponding to the two horizontal bar holes, of the rod body of the adjusting rod are respectively and fixedly connected with horizontal pull rods symmetrically arranged by taking the central line of the adjusting rod as a symmetry axis, the horizontal pull rods extend in the radial direction of the adjusting rod, penetrate through the corresponding horizontal bar holes and extend out of the sleeve, are in sliding fit with the horizontal pull rods along the extending direction of the corresponding horizontal bar holes, the horizontal support mechanism further comprises horizontal support seats symmetrically arranged by taking the central line of the sleeve as the symmetry axis, the two horizontal support seats are respectively arranged at intervals with the sleeve and located on two sides of the plane where the two horizontal bar holes are located, and are fixedly connected with The center line direction of the transverse rotating shaft is parallel to the center line direction of the transverse pull rod, two transverse rocking handles are hinged to each transverse rotating shaft, one ends, far away from the transverse rotating shaft, of the two transverse rocking handles are hinged to the corresponding transverse pull rod and the corresponding transverse support rod respectively to form a shear type structure, and the planes of the two transverse slots in the two adjacent transverse support mechanisms are perpendicular to each other.

In the use process, an operator is required to pull the adjusting rod to adjust the position of the transverse supporting seat, and the adjusting rod is relatively laborious to pull due to the friction relation between the adjusting rod and the sleeve. If directly holding on adjusting the pole with the hand, when drawing the regulation pole, rely on the palm and adjust the frictional force conversion between the pole and pull force, not only draw the difficulty, increase operator's burden, the friction between palm and the regulation pole still makes the palm be injured easily in addition.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a hidden structure of drawing adjusting lever that easy operation is convenient, can be better.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a hidden pull handle structure comprises an adjusting rod, wherein one end of the adjusting rod is an adjusting end, a strip-shaped supporting block is fixedly connected to the rod body close to the end part of the adjusting end in a symmetrical mode by taking the central line of the rod body as a symmetrical axis, the supporting block extends in the direction parallel to the central line of the adjusting rod, a containing groove extends in the length direction of the supporting block on one side face of the supporting block back to the adjusting rod, a hinged support is fixedly connected to the position of the groove bottom of the containing groove close to one side of the adjusting end, a pull rod is arranged on the hinged support, one end of the pull rod is hinged to the hinged support through a hinged shaft I, the central line of the adjusting rod is located on a rotating plane of the pull rod rotating around the hinged shaft I, a slide rod is arranged at one end of the pull rod far away from the hinged support, one end of the pull rod far away from the hinged support is hinged to one end of, the rod body of the slide rod, which is far away from one end of the pull rod, is symmetrically concavely provided with positioning concave holes by taking the center line of the slide rod as a symmetry axis, the positioning concave holes extend along the radial direction of the slide rod, the center line direction of the positioning concave holes is parallel to the center line direction of the hinge shaft I, positioning bolts capable of being in sliding fit with the positioning concave holes along the center line direction are arranged in the positioning concave holes, the length of the positioning bolts is smaller than the depth of the positioning concave holes, positioning springs are arranged in the positioning concave holes and between the positioning bolts and the hole bottoms of the positioning concave holes, two ends of each positioning spring are respectively and fixedly connected to the hole bottoms of the positioning concave holes and the positioning bolts, when the positioning springs are in a free state, one ends of the positioning bolts, which are far away from the hole bottoms of the positioning concave holes, extend into the positioning concave holes, and positioning inserting holes which are arranged along, the positioning jack is a through hole, the positioning bolt can be in sliding fit with the positioning jack along the central line direction of the positioning jack, the central line direction of the positioning jack is parallel to the central line direction of the hinge shaft I, when the pull rod and the slide rod are accommodated in the accommodating groove, two positioning bolts can be respectively inserted into the positioning insertion holes on one side of the accommodating groove, positioning support holes which are arranged on the same central line are formed in the groove walls on the two sides of the accommodating groove and positioned between the hinged support and the positioning insertion holes, the positioning support holes are through holes, the positioning bolts can be in sliding fit with the positioning support holes along the central line direction of the positioning support holes, the central line direction of the positioning support holes is parallel to the central line direction of the hinged shaft I, when the pull rod rotates around the hinge shaft I towards the outside of the accommodating groove and the center line direction of the pull rod is perpendicular to that of the adjusting rod, the two positioning bolts can be respectively inserted into the positioning supporting holes on one side where the two positioning bolts are located.

The utility model discloses in, when rotating the pull rod, making pull rod and slide bar hold respectively in the holding tank, the location bolt on the slide bar just can be corresponding insert in the location bolt, restrict the slide bar, and then carry on spacingly to the pull rod, make pull rod and slide bar hold and hide in the holding tank. Extrude the location bolt through the outer one end of location jack, extrude the location bolt in the locating recess, the slide bar just can remove like this, rotate the pull rod and make its central line perpendicular to adjust the pole central line when, the location bolt on the slide bar is corresponding can insert in the location support downthehole again, just so can carry on spacingly to the pull rod, make things convenient for the handheld operation of operator, operator's both hands respectively hold one of them pull rod and draw, pulling force direct action is on adjusting the pole like this, not only draw the regulation pole easily, the burden has been alleviateed, the emergence of the palm injured condition has also been avoided simultaneously.

As an optimization, a strip-shaped guide groove extending along the extension direction of the accommodating groove is concavely arranged on the groove wall of the accommodating groove and between the positioning insertion hole and the positioning support hole, and two ends of the strip-shaped guide groove are respectively communicated with the positioning insertion hole and the positioning support hole. After the positioning bolt comes out from the positioning jack and the positioning support hole, the positioning bolt is conveniently guided, and the positioning bolt is directly moved to the positioning jack or the positioning support hole in the strip-shaped guide groove.

And as optimization, one end of the positioning bolt, which is far away from the bottom of the positioning concave hole, is a round end. The friction between the sliding rod and the supporting block can be reduced, so that the sliding rod can move more smoothly and flexibly.

Preferably, the support block is fixedly connected with bases along two sides of the length direction of the support block respectively, the bases are located at positions between the positioning jacks and the positioning support holes on one side of the base, telescopic pipes are arranged on the bases, the bases are hinged with the middle positions of the telescopic pipes along the length direction of the telescopic pipes through hinge shafts III to form a lever structure, a rotating plane of the telescopic pipes rotating around the hinge shafts III is located on the same plane with the center lines of the positioning jacks and the positioning support holes, telescopic rods capable of being in sliding fit with the telescopic pipes along the direction of the center lines of the telescopic pipes are inserted into two ends of each telescopic pipe respectively, limit baffles are arranged at positions of the support block and two sides of the support block along the length direction of the support block respectively corresponding to the positioning jacks and the positioning support holes, and inserted rods are fixed on one side of the limit baffles facing the support block and can be inserted into the corresponding positioning jacks and the positioning support holes and can be in sliding fit with, when the limiting baffle is abutted to the supporting block, the length of the inserted rod inserted into the positioning jack is consistent with that of the positioning jack, the length of the inserted rod inserted into the positioning support hole is consistent with that of the positioning support hole, the limiting baffle is symmetrically provided with guide rods by taking the central line of the inserted rod as a symmetry axis, the central line direction of the guide rods is parallel to that of the inserted rod, the guide rods penetrate through the limiting baffle and are fixedly connected to the supporting block, the limiting baffle can be in sliding fit with the guide rods along the length direction of the guide rods, one end of each telescopic rod, which is positioned outside the telescopic pipe, is hinged with the limiting baffle on one side of the telescopic pipe through a hinge shaft IV, the central line direction of the hinge shaft III is parallel to that of the hinge shaft IV, when the positioning spring is in a free state, the length of each positioning bolt, which extends out of each positioning concave hole, is smaller than that of the positioning jack and that of the positioning support, when the central line direction of the extension tube is vertical to the central line direction of the inserted link, the inserted link is positioned outside the supporting block. When the slide bar needs to be moved, the positioning bolt needs to be pressed firstly and is pressed into the positioning concave hole, and the positioning bolt can be realized only by using a tool due to the limitation of the hole. According to the position of the positioning bolt inserting hole, the limiting baffle is correspondingly pressed, so that the limiting baffle is guided by the guide rod to enable the inserting rod to be correspondingly inserted into the positioning inserting hole or the positioning supporting hole, the length of the inserting rod in the inserting hole is consistent with that of the corresponding hole, the positioning bolt can be completely extruded into the corresponding positioning inserting hole or the positioning supporting hole, and therefore the sliding rod and the base are not obstructed, the sliding rod can correspondingly slide, and the positioning bolt can move towards the other hole. The location bolt inserts respectively in location jack and the location support hole, presses the limit baffle who corresponds respectively, and through the telescopic link, when pressing the limit baffle of one side, the limit baffle of the other end just can lift, makes things convenient for the insertion of location bolt.

As an optimization, adjusting springs are respectively arranged at the two ends of the extension tube and between the two ends of the extension tube and the supporting block, the two ends of each adjusting spring are respectively and fixedly connected with the supporting block and the extension tube on one side where the supporting block is located, and when the two adjusting springs are both in a free state, the central line direction of the extension tube is perpendicular to the central line of the inserted link. When the limit baffle is pressed, the adjusting spring positioned on one side of the limit baffle is compressed, and after the limit baffle is loosened, the spring force of the adjusting spring can drive the limit baffle to reset.

As an optimization, the inserted bar and the end back to the limit baffle are round ends. Reduce the friction between it and the location bolt, make things convenient for the removal of slide bar.

As optimization, the middle position of the telescopic pipe along the length direction is provided with a rotating mounting hole extending along the radial direction, the rotating mounting hole is a through hole, and the hinge shaft III penetrates through the rotating mounting hole and is in rotating fit with the telescopic pipe. Thus the telescopic pipe can rotate flexibly.

To sum up, the beneficial effects of the utility model reside in that: the utility model discloses simple structure, convenient to use not only draws the regulating lever easily, has alleviateed the burden, has also avoided the emergence of the injured condition of palm simultaneously.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, in which:

FIG. 1 is a schematic structural diagram of a transverse supporting mechanism in an internal mold supporting device for a hollow beam slab;

FIG. 2 is a schematic diagram of a limiting structure of a pull rod in the inner mold supporting device of the hollow beam slab;

fig. 3 is a schematic structural view of a positioning pin pressing structure in the internal mold supporting device of the hollow beam slab.

Detailed Description

The following description will be made in detail for the supporting device of the hollow beam slab inner mold using the structure of the present invention with reference to the accompanying drawings.

As shown in fig. 1 to 3, the supporting device for the internal mold of the hollow beam slab in the present embodiment includes a sleeve 1, an adjusting rod 7 capable of sliding-fitting with the sleeve 1 along a central line direction of the sleeve 1 is inserted into the sleeve 1, two ends of the adjusting rod 7 respectively extend out of the sleeve 1, adjusting nuts are respectively screwed on two ends of the adjusting rod 7 outside the sleeve 1, the adjusting nuts can abut against an end portion of the sleeve 1 on a side where the adjusting nut is located to limit the movement of the adjusting rod 7 along the central line direction of the sleeve 1, a plurality of transverse supporting mechanisms are arranged on the sleeve 1 at intervals along a length direction of the sleeve, each transverse supporting mechanism includes a transverse bar hole 2 symmetrically arranged with the central line of the sleeve 1 as a symmetric axis, the transverse bar holes 2 are communicated with an internal hole of the sleeve 1, the transverse bar holes 2 extend in a direction parallel to the central line direction of the sleeve 1, the transverse supporting mechanisms further include transverse supporting rods 3 fixedly connected to a body of the sleeve 1 and, the transverse support rods 3 are arranged in an extending mode along the radial direction of the sleeve 1, the two transverse support rods 3 are positioned in the direction of one end of each of the two transverse bar holes 2 along the length direction, the central lines of the two transverse support rods 3 and the central lines of the two corresponding transverse bar holes 2 are positioned on the same plane, the positions, corresponding to the two transverse bar holes 3, on the rod body of the adjusting rod 7 are respectively and fixedly connected with transverse pull rods 4 which are symmetrically arranged by taking the central line of the adjusting rod 7 as a symmetric axis, the transverse pull rods 4 are arranged in an extending mode along the radial direction of the adjusting rod 7, the transverse pull rods 4 penetrate through the corresponding transverse bar holes 2 and extend out of the sleeve 1, the transverse pull rods 4 can be in sliding fit with the corresponding transverse bar holes 2 along the extending direction of the transverse bar holes 2, the transverse support mechanism further comprises transverse support seats 5 which are symmetrically arranged by taking the central line of the sleeve 1 as a symmetric axis, the two transverse support seats, the two ends of the transverse supporting seat 5, which are positioned on the transverse pull rod 4 along the length direction, are respectively and fixedly connected with a transverse rotating shaft which is arranged on the same central line, the central line direction of the transverse rotating shaft is parallel to the central line direction of the transverse pull rod 4, each transverse rotating shaft is hinged with two transverse rocking handles 6, one ends of the two transverse rocking handles 6, which are far away from the transverse rotating shaft, are respectively hinged with the corresponding transverse pull rod 4 and the corresponding transverse supporting rod 3 to form a shear type structure, and the planes of the two transverse bar holes 2 in the two adjacent transverse supporting mechanisms are mutually perpendicular.

In this embodiment, one end of the adjusting rod 7 is an adjusting end, a strip-shaped supporting block 8 is fixedly connected to the rod body of the adjusting rod 7 close to the end of the adjusting end symmetrically with the center line as a symmetry axis, the supporting block 8 extends in a direction parallel to the center line of the adjusting rod 7, a holding tank is arranged on the side surface of the supporting block 8 opposite to one side of the adjusting rod and extends in the length direction of the supporting block 8, a hinged support is fixedly connected to the bottom of the holding tank close to one side of the adjusting end, a pull rod 9 is arranged on the hinged support, one end of the pull rod 9 is hinged to the hinged support through a hinge i, the center line of the adjusting rod 7 is located on a rotation plane of the pull rod 9 rotating around the hinge i, a slide rod 10 is arranged at one end of the pull rod 9 far away from the hinged support, one end of the pull rod 9 far away from the hinged support is hinged to one end of the slide, the length of the containing groove is larger than the sum of the lengths of the pull rod 9 and the slide rod 10, positioning concave holes are symmetrically and concavely arranged on the rod body of the slide rod 10 far away from one end of the pull rod 9 by taking the central line of the slide rod 10 as a symmetrical axis, the positioning concave holes extend along the radial direction of the slide rod 10, the central line direction of each positioning concave hole is parallel to the central line direction of the hinge shaft I, a positioning bolt capable of being in sliding fit with the positioning concave holes along the central line direction is arranged in each positioning concave hole, the length of the positioning bolt is smaller than the depth of each positioning concave hole, a positioning spring is arranged in each positioning concave hole and between each positioning bolt and the hole bottom of each positioning concave hole, the two ends of each positioning spring are fixedly connected to the hole bottom of each positioning concave hole and each positioning bolt respectively, when each positioning spring is in a free state, one end, far away from the hole bottom of each positioning, the two side walls of the containing groove are respectively provided with a positioning jack 11 which is arranged on the same central line, the positioning jacks 11 are through holes, positioning bolts can be in sliding fit with the positioning jacks 11 along the central line direction of the positioning jacks 11, the central line direction of the positioning jacks 11 is parallel to the central line direction of the hinge shaft I, when the pull rod 9 and the slide rod 10 are both contained in the containing groove, the two positioning bolts can be respectively inserted into the positioning jacks 11 on one side where the positioning bolts are located, positioning support holes 12 which are arranged on the same central line are arranged on the two side walls of the containing groove and between the hinge seat and the positioning jacks 11, the positioning support holes 12 are through holes, the positioning bolts can be in sliding fit with the positioning support holes 12 along the central line direction, the central line direction of the positioning support holes 12 is parallel to the central line direction of the hinge shaft I, when the pull rod 9 rotates outwards around the hinge shaft I towards the containing groove and, two positioning bolts can be respectively inserted into the positioning support holes 12 on one side.

In this specific embodiment, the groove wall of the accommodating groove is provided with a strip-shaped guiding groove which extends along the extending direction of the accommodating groove and is located between the positioning insertion hole 11 and the positioning support hole 12, and two ends of the strip-shaped guiding groove are respectively communicated with the positioning insertion hole 11 and the positioning support hole 12.

In this embodiment, the positioning pin is a round end at the end far away from the bottom of the positioning concave hole.

In this embodiment, two sides of the supporting block 8 along the length direction thereof are respectively and fixedly connected with a base 13, the base 13 is located at a position between the positioning insertion hole 11 and the positioning support hole 12 on one side thereof, a telescopic tube 14 is arranged on the base 13, the base 13 is hinged with the middle position of the telescopic tube 14 along the length direction thereof through a hinge shaft iii to form a lever structure, a rotation plane of the telescopic tube 14 rotating around the hinge shaft iii and a center line of the positioning insertion hole 11 and a center line of the positioning support hole 12 are located on the same plane, two ends of the telescopic tube 14 are respectively inserted with a telescopic rod 18 capable of being in sliding fit therewith along the center line direction thereof, two sides of the supporting block 8 along the length direction thereof respectively corresponding to the positioning insertion hole 11 and the positioning support hole 12 are both provided with a limit baffle 15, the limit baffle 15 and one side facing the supporting block 8 are fixed with an insertion rod 16, the inserted link 16 can be inserted into the corresponding positioning insertion hole 11 and the corresponding positioning support hole 12 and can be in sliding fit with the positioning insertion hole along the direction of the central line thereof, when the limit baffle 15 is abutted against the support block 8, the length of the inserted link 16 inserted into the positioning insertion hole 11 is consistent with the length of the positioning insertion hole 11, the length of the inserted link 16 inserted into the positioning support hole 12 is consistent with the length of the positioning support hole 12, the limit baffle 15 is symmetrically provided with guide rods 17 by taking the central line of the inserted link 16 as a symmetry axis, the direction of the central line of the guide rods 17 is parallel to the direction of the central line of the inserted link 16, the guide rods 17 penetrate through the limit baffle 15 and are fixedly connected to the support block 8, the limit baffle 15 can be in sliding fit with the guide rods 17 along the length direction thereof, and one end of the telescopic link 18, which is positioned outside the telescopic tube 14, is hinged to the limit baffle 15 at the, the central line direction of the hinge shaft III is parallel to the central line direction of the hinge shaft IV, when the positioning spring is in a free state, the lengths of the positioning bolts extending out of the positioning concave holes are both smaller than the length of the positioning insertion holes 11 and the length of the positioning support holes 12, and when the central line direction of the telescopic pipe 14 is perpendicular to the central line direction of the insertion rod 16, the insertion rod 16 is located on the outer side of the support block 8.

In this embodiment, adjusting springs 19 are respectively disposed at two ends of the telescopic tube 14 and at positions between the two ends and the supporting block 8, two ends of each adjusting spring 19 are respectively and fixedly connected to the supporting block 8 and the telescopic tube 14 at one side thereof, and when the two adjusting springs 19 are both in a free state, a central line direction of the telescopic tube 14 is perpendicular to a central line of the inserting rod 16.

In this embodiment, the end of the insertion rod 16 opposite to the limit baffle 15 is a round end.

In this embodiment, the middle position of the extension tube 14 along the length direction thereof is provided with a rotation mounting hole extending along the radial direction thereof, the rotation mounting hole is a through hole, and the hinge shaft iii passes through the rotation mounting hole and is in rotation fit with the extension tube 14.

In the specific implementation process, can also do so, the protruding U-shaped mounting bracket that is formed with in top of base, two collateral branch framves on the U-shaped mounting bracket are worn respectively at the both ends of hinge III, the both ends of hinge III are respectively screw-thread fit have stop nut in order can be respectively the butt on the lateral surface of U-shaped mounting bracket in order to be right hinge III removes along its central line direction and carries on spacingly.

Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, while the invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a hidden structure of pulling handle, includes the regulation pole, its characterized in that: one end of the adjusting rod is an adjusting end, strip-shaped supporting blocks are symmetrically and fixedly connected to the rod body close to the end part of the adjusting end by taking the center line of the rod body as a symmetrical axis, the supporting blocks extend in the direction parallel to the center line of the adjusting rod, a containing tank is arranged on one side surface of the supporting blocks back to the adjusting rod in the extending direction of the length direction of the supporting blocks, a hinged support is fixedly connected to the tank bottom of the containing tank close to one side of the adjusting end, a pull rod is arranged on the hinged support, one end of the pull rod is hinged to the hinged support through a hinged shaft I, the center line of the adjusting rod is positioned on a rotating plane of the pull rod rotating around the hinged shaft I, a slide rod is arranged at one end of the pull rod far away from the hinged support, one end of the pull rod far away from the hinged support is hinged to one end of the slide rod through a hinged shaft II parallel to the hinged shaft I, the length of the containing tank is, the positioning concave hole extends along the radial direction of the sliding rod, the central line direction of the positioning concave hole is parallel to the central line direction of the hinge shaft I, a positioning bolt which can be in sliding fit with the positioning concave hole along the central line direction is arranged in the positioning concave hole, the length of the positioning bolt is smaller than the depth of the positioning concave hole, a positioning spring is arranged in the positioning concave hole and between the positioning bolt and the hole bottom of the positioning concave hole, two ends of the positioning spring are respectively and fixedly connected to the hole bottom of the positioning concave hole and the positioning bolt, when the positioning spring is in a free state, one end, far away from the hole bottom of the positioning concave hole, of the positioning bolt extends out of the positioning concave hole, when the positioning spring is in a compression state, one end, far away from the hole bottom of the positioning concave hole, of the positioning bolt can extend into the positioning concave hole, positioning insertion holes which are arranged along the central line, the central line direction of location jack is on a parallel with the central line direction of hinge I, when pull rod and slide bar all hold in the holding tank, two location bolts are in order to insert respectively in the location jack of its place one side, the location brace hole that sets up with the central line is seted up to the position that just is located between free bearing and the location jack on the both sides cell wall of holding tank, the location brace hole is the through-hole, the location bolt is in order to follow location brace hole central line direction rather than sliding fit, the central line direction of location brace hole is on a parallel with the central line direction of hinge I, when the pull rod is rotated around hinge I outside the holding tank and pull rod central line direction perpendicular to adjusts pole central line direction, two location bolts are in order to insert respectively in the location brace hole of its place one side.

2. The hidden handle structure of claim 1, wherein: and the groove wall of the accommodating groove is provided with a strip-shaped guide groove which extends along the extending direction of the accommodating groove in a concave manner at a position between the positioning insertion hole and the positioning support hole, and two ends of the strip-shaped guide groove are respectively communicated with the positioning insertion hole and the positioning support hole.

3. The hidden handle structure of claim 1, wherein: the locating bolt is a round head end at one end far away from the bottom of the locating concave hole.

4. The hidden handle structure of claim 1, wherein: the supporting block is fixedly connected with bases along two sides of the length direction of the supporting block respectively, the bases are located at positions between the positioning jacks and the positioning support holes on one side where the bases are located, telescopic pipes are arranged on the bases, the bases are hinged and connected with the middle positions of the telescopic pipes along the length direction of the telescopic pipes through hinge shafts III to form lever structures, the rotating planes of the telescopic pipes rotating around the hinge shafts III and the center lines of the positioning jacks and support holes are located on the same plane, telescopic rods capable of being in sliding fit with the telescopic pipes along the direction of the center lines of the telescopic pipes are inserted into two ends of the telescopic pipes respectively, limiting baffles are arranged at positions of the supporting block and two sides of the supporting block along the length direction of the supporting block respectively corresponding to the positioning jacks and the positioning support holes, inserting rods are fixed on one side of the limiting baffles facing the supporting block and can be inserted into the corresponding positioning jacks and the positioning support holes and can be in sliding fit, when the limiting baffle is abutted to the supporting block, the length of the inserted rod inserted into the positioning jack is consistent with that of the positioning jack, the length of the inserted rod inserted into the positioning support hole is consistent with that of the positioning support hole, the limiting baffle is symmetrically provided with guide rods by taking the central line of the inserted rod as a symmetry axis, the central line direction of the guide rods is parallel to that of the inserted rod, the guide rods penetrate through the limiting baffle and are fixedly connected to the supporting block, the limiting baffle can be in sliding fit with the guide rods along the length direction of the guide rods, one end of each telescopic rod, which is positioned outside the telescopic pipe, is hinged with the limiting baffle on one side of the telescopic pipe through a hinge shaft IV, the central line direction of the hinge shaft III is parallel to that of the hinge shaft IV, when the positioning spring is in a free state, the length of each positioning bolt, which extends out of each positioning concave hole, is smaller than that of the positioning jack and that of the positioning support, when the central line direction of the extension tube is vertical to the central line direction of the inserted link, the inserted link is positioned outside the supporting block.

5. The hidden handle structure of claim 4, wherein: and when the two adjusting springs are in a free state, the central line direction of the telescopic pipe is perpendicular to the central line of the inserted link.

6. The hidden handle structure of claim 4, wherein: the inserted bar and the end back to the limit baffle are round ends.

7. The hidden handle structure of claim 4, wherein: the telescopic pipe is provided with a rotary mounting hole extending along the radial direction of the telescopic pipe along the middle position of the telescopic pipe in the length direction, the rotary mounting hole is a through hole, and the hinge shaft III penetrates through the rotary mounting hole and is in rotary fit with the telescopic pipe.