CN214323301U

CN214323301U - Telescopic and adjustable tool box pull rod

Info

Publication number: CN214323301U
Application number: CN202022824421.XU
Authority: CN
Inventors: 胡林峰
Original assignee: Jiaxing Yuxin Wenqi Plastic Hardware Factory (general Partnership)
Current assignee: Jiaxing Yuxin Wenqi Plastic Hardware Factory (general Partnership)
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-10-01
Anticipated expiration: 2030-11-30

Abstract

The utility model provides a toolbox pull rod of scalable regulation, including the horizontal pole, two dead levers as an organic whole are connected with the horizontal pole, two alternate respectively in the dead lever telescopic pulling telescopic link, establish the handle at two telescopic link tops, be equipped with two locking grooves on the telescopic link, be equipped with the first locking mechanism with locking groove cooperation joint locking on the horizontal pole, the telescopic link realizes stretching out behind the locking groove that corresponds through first locking mechanism inserts and dies or shrink lock dies, the telescopic link is including the first body of rod of interlude in the dead lever, establish the second body of rod on the first body of rod, the first body of rod and the second body of rod are extending structure, two locking grooves are established respectively on the first body of rod and the second body of rod, be equipped with second locking mechanism between the first body of rod and the second body of rod, it is fixed to lock through second locking mechanism after the first body of rod and the second body of rod are tensile. The automatic telescopic draw bar can solve the problem that the draw bar body without a controller cannot be automatically stretched again, and is simple in structure, simple and convenient to operate and longer in draw bar length.

Description

Telescopic and adjustable tool box pull rod

Technical Field

The utility model relates to a telescopic link technical field, concretely relates to toolbox pull rod of scalable regulation.

Background

The tool box is a container for storing tools and various household sundries, can be used for various purposes such as production, family, maintenance, fishing and the like, and is widely used. Different as required, there can be some large-scale toolboxes, for the toolbox moves, can set up a plurality of gyro wheels in the toolbox bottom, sets up the pull rod in the box side to the user can easily move the toolbox. In view of the above-mentioned needs, a telescopic and adjustable tool box draw bar, which is disclosed in patent No. CN201920157743.8 and is used for being mounted on such a tool box, has been developed in the prior art. However, the tool box draw bar in the prior art is a telescopic controller, and the telescopic controller is arranged on the cross bar between the fixed bar and the telescopic bar, so that the telescopic bar cannot be stretched again when the handle is not provided with a second controller, the length of the telescopic bar cannot be adjusted for the second time, and the tool box draw bar is inconvenient to use under many conditions.

Disclosure of Invention

In order to solve certain or some technical problem that exists among the prior art, the utility model provides a but toolbox pull rod of telescopic adjustment can solve the unable automatic flexible problem once more that realizes of the pull rod body of rod that does not have the controller, simple structure, and is easy and simple to handle, and pull rod length is longer.

For solving the above-mentioned prior art problem, the utility model discloses a following scheme:

a telescopic adjustable toolbox pull rod comprises a cross rod, two fixed rods connected with the cross rod into a whole, two telescopic rods inserted in the fixed rods and capable of being pulled telescopically and two handles arranged at the tops of the two telescopic rods, two locking grooves are formed in the telescopic rods, a first locking mechanism locked by the locking grooves in a matched and clamped mode is arranged on the cross rod, the telescopic rods are inserted into the corresponding locking grooves through the first locking mechanism to achieve stretching locking or contracting locking, each telescopic rod comprises a first rod body inserted in the fixed rods and a second rod body arranged on the first rod body, the first rod body and the second rod body are of telescopic structures, the two locking grooves are respectively arranged on the first rod body and the second rod body, and a second locking mechanism is arranged between the first rod body and the second rod body, and the first rod body and the second rod body are locked and fixed through the second locking mechanism after being stretched.

Further, the horizontal pole includes the connecting rod, establishes the sliding sleeve at connecting rod both ends, the one end of dead lever is fixed in the sliding sleeve, the bottom of the second body of rod is passed stretch into again behind the sliding sleeve in the dead lever, the top of the second body of rod is equipped with the outside bellied stopper of round, be equipped with the groove of accomodating of round undercut on the sliding sleeve, the stopper can inlay the formula and accomodate in accomodate the inslot.

Furthermore, one side of the second rod body is provided with an inwards concave second sliding groove, an inwards convex sliding block is arranged in the sliding sleeve, and the second rod body slides up and down along the sliding block through the second sliding groove.

Furthermore, one side of the second rod body forms a sliding rail through the inwards-recessed second sliding groove, and one side of the first rod body is provided with a first sliding groove matched with the sliding rail.

Further, second locking mechanism is including establishing flexible piece in the first body of rod, establishing the latch segment of flexible piece outer end, establishing second body of rod one side with the recess that the latch segment matches, establishing accomodate the driving groove of inslot, the first body of rod passes through the latch segment inserts realize the locking in the recess on the second body of rod and fix, stretch into in the recess the latch segment passes through the second body of rod contracts extremely automatic inside shrink unblock behind the driving groove, the first body of rod passes through behind the second locking mechanism unblock back the second body of rod is internal to contract.

Furthermore, the upper side surface and the lower side surface of the locking block are inclined surfaces, and the driving groove is of an inclined surface structure.

Furthermore, the telescopic block comprises a movable block and a contraction spring, wherein the movable block and the locking block are integrally formed, the contraction spring is arranged at the bottom of the movable block, and the locking block is ejected outwards through the contraction spring.

Further, first locking mechanism is including establishing two bolts in the horizontal pole, establishing two reset spring between the bolt, establishing be used for controlling the briquetting that the bolt shrink on the horizontal pole, the bolt passes through reset spring is to the ejecting locking in outside both ends, and the locking dress the telescopic link passes through the briquetting pushes down extremely unblock after the bolt shrink.

Compared with the prior art, the beneficial effects of the utility model reside in that:

first locking mechanism through pull rod itself can stretch out and draw back along the dead lever to the telescopic link, and simultaneously, can also carry out automatic once more to the telescopic link that does not have the controller through second locking mechanism and stretch out and draw back once more to make the rigid telescopic link of whole root reach the purpose of stretching out and drawing back once more in the current design, make the whole extension length of pull rod can be longer, application scope is wider, the effectual problem of current telescopic link itself can't carry out automatic telescopic control of having solved, moreover, the steam generator is simple in structure, and is easy and simple to handle, and telescopic control is convenient.

Drawings

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

FIG. 2 is a partial enlarged view of the present invention;

FIG. 3 is a schematic structural view of the telescopic block and the locking block of the present invention;

fig. 4 is a schematic structural diagram of a first locking mechanism in the present invention;

in the figure: the locking device comprises a fixed rod 1, a cross rod 2, a second locking mechanism 3, an expansion rod 4, a locking groove 5, a handle 6, a first rod body 7, a limiting block 8, a second rod body 9, a first locking mechanism 10, a sliding sleeve 11, a connecting rod 12, a driving groove 13, a sliding block 14, a containing groove 15, a second sliding groove 16, a sliding rail 17, a first sliding groove 18, a locking block 19, a groove 20, a movable block 21, a contraction spring 22, a plug pin 24, a pressing block 25 and a reset spring 26.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1 to 4, a telescopic adjusting toolbox draw bar comprises a cross bar 2, two fixing bars 1 connected with the cross bar 2 into a whole, two telescopic bars 4 capable of being telescopically pulled and respectively inserted into the fixing bars 1, and a handle 6 arranged at the top of the two telescopic bars 4, wherein the telescopic bars 4 are provided with two locking grooves 5, the cross bar 2 is provided with a first locking mechanism 10 matched with the locking grooves 5 for clamping and locking, the telescopic bars 4 are inserted into the corresponding locking grooves 5 through the first locking mechanism 10 to realize extending locking or contracting locking, the telescopic bars 4 comprise a first bar body 7 inserted into the fixing bars 1 and a second bar body 9 arranged on the first bar body 7, the first bar body 7 and the second bar body 9 are of a telescopic structure, and the two locking grooves 5 are respectively arranged on the first bar body 7 and the second bar body 9, and a second locking mechanism 3 is arranged between the first rod body 7 and the second rod body 9, and the first rod body 7 and the second rod body 9 are stretched and then locked and fixed through the second locking mechanism 3.

In the actual use process, the cross rod 2 and the two fixing rods 1 are both fixed on one side of the box body and are fixedly connected with the box body, one ends of the two telescopic rods 4 are inserted into the fixing rods 1, the telescopic rods 4 can be pulled up and down through the handles 6, and the whole box can be dragged, wherein the first locking mechanism 10 is installed on the cross rod 2, the two locking grooves 5 are arranged on the telescopic rods 4, the two locking grooves 5 are respectively the pull-out limit position and the contraction limit position of the telescopic rods 4, when the telescopic rods 4 are pulled out or contracted to the limit positions, the telescopic rods 4 can not relatively expand or contract any more through the matching of the first locking mechanism 10 and the locking grooves 5, so that the telescopic rods 4 are in the storage locking state or the extension locking state, the telescopic rods 4 are divided into a first rod body 7 and a second rod body 9 which are mutually expanded or contracted, the telescopic rods 4 can be expanded or contracted along the fixing rods 1 through the first locking mechanism 10 of the telescopic rods themselves, can also carry out automatic once more flexible to the telescopic link 4 that does not have the controller on the handle 6 through second locking mechanism 3 to make whole root rigidity telescopic link 4 reach flexible purpose once more in the current design, make the whole extension length of pull rod can be longer, application scope is wider, the effectual problem of solving current telescopic link 4 itself and can't carrying out automatic flexible control, simple structure, easy and simple to handle, flexible control is convenient.

The improved structure is characterized in that the cross rod 2 comprises a connecting rod 12 and sliding sleeves 11 arranged at two ends of the connecting rod 12, one end of the fixed rod 1 is fixed in the sliding sleeves 11, the bottom of the second rod body 9 penetrates through the sliding sleeves 11 and then extends into the fixed rod 1, a circle of limiting block 8 protruding outwards is arranged at the top of the second rod body 9, a circle of downwards-recessed accommodating groove 15 is formed in the sliding sleeves 11, and the limiting block 8 can be embedded and accommodated in the accommodating groove 15.

The two ends of the cross rod 2 are connected with the fixed rod 1 through the sliding sleeve 11, the thickness of the connection area between the fixed rod 1 and the telescopic rod 4 is larger, the strength is higher, the top of the second rod body 9 is provided with a circle of limiting blocks 8 which protrude outwards, the second rod body 9 can be prevented from directly and completely immersing into the fixed rod 1 due to downward acting force, the relative position of the second rod body 9 is more conveniently controlled, the service life is longer, meanwhile, the rigidity between the second rod body 9 and the first rod body 7 is better due to the circle of limiting blocks 8 which protrude outwards, the connection part is more difficult to damage, the sliding sleeve 11 is provided with a circle of accommodating grooves 15 which are sunken downwards, when the second rod body 9 shrinks downwards, the limiting blocks 8 which protrude outwards can move in an embedded manner to be accommodated in the accommodating grooves 15, and the concealment of the whole limiting blocks 8 is better in the shrinking state, the appearance is more beautiful.

In a further improvement, one side of the second rod 9 is provided with an inwardly recessed second sliding groove 16, the sliding sleeve 11 is provided with an inwardly protruding sliding block 14, and the second rod 9 slides up and down along the sliding block 14 through the second sliding groove 16.

The second body of rod 9 slides from top to bottom along slider 14 through second spout 16, and the flexibility is better, and relative position stability is higher, can also improve the global sense rigidity of the second body of rod 9 through the sunk structure moreover, makes its compressive capacity stronger.

Meanwhile, one side of the second rod body 9 forms a sliding rail 17 through the second sliding groove 16 which is sunken inwards, and one side of the first rod body 7 is provided with a first sliding groove 18 matched with the sliding rail 17.

When actually making, no longer need set up slide rail 17 alone between the second body of rod 9 and the first body of rod 7, it is lower to produce, and the structure is more convenient, and the shaping of slide rail 17 in the second body of rod 9 is more convenient, and the rigidity of the first body of rod 7 is better.

The improved structure is that the second locking mechanism 3 comprises a telescopic block 23 arranged in the first rod body 7, a locking block 19 arranged at the outer end of the telescopic block 23, a groove 20 arranged on one side of the second rod body 9 and matched with the locking block 19, and a driving groove 13 arranged in the accommodating groove 15, the first rod body 7 is inserted into the groove 20 on the second rod body 9 through the locking block 19 to realize locking and fixing, the locking block 19 extending into the groove 20 is automatically retracted inwards to unlock after being retracted to the driving groove 13 through the second rod body 9, and the first rod body 7 is retracted inwards to the second rod body 9 after being unlocked through the second locking mechanism 3; the upper side surface and the lower side surface of the locking block 19 are inclined surfaces, and the driving groove 13 is of an inclined surface structure.

The telescopic block 23 with the locking block 19 is installed in the first rod body 7, when the first rod body 7 and the second rod body 9 extend to a set position, the locking block 19 protrudes outwards and then is inserted into the groove 20, so that the locking block 19 is in a state of extending out of the second rod body 9, the first rod body 7 and the second rod body 9 cannot stretch out and draw back again, when the telescopic rod needs to be contracted, firstly, the whole telescopic rod 4 is unlocked through the first locking mechanism 10, the telescopic rod 4 is contracted downwards, after the telescopic rod 4 is contracted downwards until the locking block 19 is contacted with the driving groove 13, the driving groove 13 is forced by downward pressure to passively extrude the locking block 19 inwards to be positioned in the second rod body 9, so that the locking block 19 achieves the purpose of unlocking, further relative contraction of the first rod body 7 and the second rod body 9 is realized, wherein the upper side face and the lower side face of the locking block 19 are inclined faces, and driving groove 13 is the inclined plane structure, when latch segment 19 strikes driving groove 13, can four quick inside contractions of latch segment 19 through the inclined plane structure, simple structure is convenient, the release mechanism who no longer needs the initiative, the flexibility is better, can not increase the operation degree of difficulty yet, wherein the leading flank of latch segment 19 is whole inclined plane design, and the downside is partial inclined plane design, wherein the horizontal plane region can with recess 20 items plane contact, fastness when locking each other is better.

In a further improvement, the telescopic block 23 comprises a movable block 21 integrally formed with the locking block 19 and a retraction spring 22 arranged at the bottom of the movable block 21, and the locking block 19 is ejected outwards through the retraction spring 22.

The bottom of movable block 21 is through shrink spring 22 with the inside sliding connection that becomes of first body of rod 7, produces outside tension to movable block 21 through shrink spring 22, can make behind the latch segment 19 removal recess 20 quick realization locking, simple structure and not fragile.

The further improvement is that, the first locking mechanism 10 includes two bolts 24 arranged in the cross rod 2, a return spring 26 arranged between the two bolts 24, and a pressing block 25 arranged on the cross rod 2 and used for controlling the bolts 24 to contract, the bolts 24 are ejected out and locked at the two ends towards the outside through the return spring 26, and the locked telescopic rod 4 is pressed downwards through the pressing block 25 to unlock after the bolts 24 contract.

When locking and unblock telescopic link 4 through first locking mechanism 10, outwards ejecting through reset spring 26 between two bolts 24, when locking groove 5 removed bolt 24 department, insert in locking groove 5 after two bolts 24 are outwards ejecting through reset spring 26 is quick, thereby realize that telescopic link 4's locking is fixed, and when needs unblock, then only need through the briquetting 25 of pressing horizontal pole 2 top, through briquetting 25 to two 24 inside extrusion shrink backs of bolt, just can make the both ends of bolt 24 withdraw the back and carry out the unblock, thereby make telescopic link 4 carry out flexible control, easy and simple to handle and the commonality is strong.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a toolbox pull rod of scalable regulation which characterized in that: comprises a cross bar, two fixed bars connected with the cross bar into a whole, two telescopic bars respectively inserted in the fixed bars and capable of being pulled telescopically, and a handle arranged at the top of the two telescopic bars, the telescopic rod is provided with two locking grooves, the cross rod is provided with a first locking mechanism which is matched, clamped and locked with the locking grooves, the telescopic rod is inserted into the corresponding locking groove through the first locking mechanism to realize the extending locking or the contracting locking, the telescopic rod comprises a first rod body inserted in the fixed rod and a second rod body arranged on the first rod body, the first rod body and the second rod body are of telescopic structures, the two locking grooves are respectively arranged on the first rod body and the second rod body, and a second locking mechanism is arranged between the first rod body and the second rod body, and the first rod body and the second rod body are stretched and then locked and fixed through the second locking mechanism.

2. The telescopically adjustable toolbox drawbar of claim 1, wherein: the horizontal pole includes the connecting rod, establishes the sliding sleeve at connecting rod both ends, the one end of dead lever is fixed in the sliding sleeve, the bottom of the second body of rod is passed stretch into again behind the sliding sleeve in the dead lever, the top of the second body of rod is equipped with the outside bellied stopper of round, be equipped with the groove of accomodating of round undercut on the sliding sleeve, the stopper can be embedded accomodate in accomodate the inslot.

3. A telescopically adjustable toolbox drawbar according to claim 2, characterized in that: one side of the second rod body is provided with an inwards-concave second sliding groove, an inwards-convex sliding block is arranged in the sliding sleeve, and the second rod body slides up and down along the sliding block through the second sliding groove.

4. A telescopically adjustable toolbox drawbar according to claim 3, characterized in that: one side of the second rod body forms a sliding rail through the inwards-concave second sliding groove, and one side of the first rod body is provided with a first sliding groove matched with the sliding rail.

5. A telescopically adjustable toolbox draw bar according to any one of claims 2 to 4, wherein: second locking mechanism is including establishing flexible piece in the first pole body, establishing the latch segment of flexible piece outer end, establishing second pole body one side with recess that the latch segment matches, establishing accomodate the driving groove of inslot, the first pole body passes through the latch segment inserts realize the locking in the recess on the second pole body and fix, stretch into in the recess the latch segment passes through the second pole body is contracted extremely automatic inside shrink unblock behind the driving groove, the first pole body passes through behind the second locking mechanism unblock back the second pole body is contracted in.

6. The telescopically adjustable toolbox draw bar of claim 5, wherein: the upper side surface and the lower side surface of the locking block are inclined surfaces, and the driving groove is of an inclined surface structure.

7. The telescopically adjustable toolbox draw bar of claim 5, wherein: the telescopic block comprises a movable block and a contraction spring, wherein the movable block is integrally formed with the locking block, the contraction spring is arranged at the bottom of the movable block, and the locking block is ejected outwards through the contraction spring.

8. The telescopically adjustable toolbox draw bar of claim 5, wherein: first locking mechanism is including establishing two bolts in the horizontal pole, establishing two reset spring between the bolt, establishing be used for controlling the briquetting that the bolt shrink on the horizontal pole, the bolt passes through reset spring is to the ejecting locking in outside both ends, and the locking dress the telescopic link passes through the briquetting pushes down extremely unblock after the bolt shrink.