CN204659565U - A kind of load-supporting device - Google Patents
A kind of load-supporting device Download PDFInfo
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- CN204659565U CN204659565U CN201520328893.2U CN201520328893U CN204659565U CN 204659565 U CN204659565 U CN 204659565U CN 201520328893 U CN201520328893 U CN 201520328893U CN 204659565 U CN204659565 U CN 204659565U
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Abstract
The utility model provides a kind of load-supporting device, belongs to mechanical device technical field.It solve the technical matterss such as existing load-supporting device tooling cost is high, engagement is not firm.This load-supporting device comprises interior pipe and is set in the outer tube outside interior pipe, a part for interior pipe can stretch out outer tube, outer tube is hinged with handle, interior pipe offers vertically the groove of strip, strip-shaped tooth row is embedded with in groove, the end of handle has ratchet and ratchet can be meshed with the teeth on rectangular tooth row, and load-supporting device also comprises when ratchet and teeth are meshed can the locations of locking handle.In this load-supporting device, teeth are not directly punching presses on inner pipe, but be arranged on independent rectangular tooth row, and be embedded in the groove of interior pipe, can suitably deepen the teeth degree of depth like this, the teeth with the larger degree of depth can improve the stability engaged with handle ratchet, also in use can try one's best and reduce the wearing and tearing of teeth, ensure the fastness of rectangular tooth row simultaneously.
Description
Technical field
The utility model belongs to mechanical equipment technical field, relates to a kind of device of restraint of loads, specifically a kind of load-supporting device.
Background technology
At present, for the goods in freight container or box-body truck, use common rope cannot reach the object of fixing transporting cargo, in order to address this problem, people have devised various setting tool, and load-supporting device is exactly wherein a kind of.Existing load-supporting device substantially comprises outer tube, is arranged at the interior also outwardly directed interior pipe of part of outer tube, interior pipe is provided with a toothrow tooth, outer tube is connected with handle, and handle end has the ratchet that can engage with teeth, controls the flexible of interior pipe by the gear motion of ratchet and teeth.Usually gear bird is also provided with for fixing and locking.
At China's patent (notification number: CN101531160; The day for announcing: 2009-09-16) in disclose a kind of load-supporting device, be made up of interior pipe and part cover outer tube on inner pipe, teeth are axially arranged with along it outside interior pipe, this mechanism comprises the handle be hinged on outer tube, the inner of handle can be embedded in teeth place, be provided with locations between outer tube and handle, and handle can be located by above-mentioned locations when handle the inner is embedded in teeth place.In this technical scheme, teeth are directly in interior tube-surface punch forming; for the object of pipe in protection; cause the teeth degree of depth more shallow, the ratchet of handle end and teeth joggled strength are inadequate, and handle easily causes teeth to be worn and torn in the process of constantly opening and closing.
At another section of patent documentation (notification number: CN204055537U, the day for announcing: 2014-12-31) in also disclose a kind of load-supporting device, comprise outer tube and be partly positioned at the pipe of outer tube, interior pipe is protruding from the outer end of outer tube, outer tube is hinged with handle and handle the inner is provided with ratchet, interior pipe outer end place is fixed with tooth bar by fastener, tooth bar is axially arranged with some teeth that can be meshed with ratchet along it, extension tube is arranged with outside outer tube, extension tube sidepiece has some just right adjustment holes along its axial array, the inner sidepiece correspondence of outer tube is provided with just right knock hole, the locations both being connected when knock hole faces with one of them adjustment hole or making both to be separated is provided with between outer tube with extension tube.Although the mode of punching press teeth on inner pipe to be changed in this technical scheme into the mode connecting tooth row on inner pipe, this tooth row needs to adopt foundry technique shaping, and quality is heavy, materials are many, and the productive costs of enterprise is increased.
Summary of the invention
The problems referred to above that the utility model exists for existing technology, provide a kind of load-supporting device, technical problem to be solved in the utility model is: reduce productive costs while of how ensureing interior pipe teeth and handle ratchet stable engagement.
The purpose of this utility model realizes by following technical proposal:
A kind of load-supporting device, described load-supporting device comprises interior pipe and is set in the outer tube outside interior pipe, a part for described interior pipe can stretch out described outer tube, described outer tube is hinged with handle, it is characterized in that, described interior pipe offers vertically the groove of strip, in described groove, be embedded with strip-shaped tooth row, the end of described handle has ratchet and described ratchet can be meshed with the teeth on rectangular tooth row, and described load-supporting device also comprises when ratchet and teeth are meshed can the locations of handle described in locking.
Its principle is as follows: initial condition, in major part, pipe is arranged in outer tube, both entire length are shorter like this, the outer end of inner and outer tubes is all provided with top board, during use, as required interior pipe is moved outwardly relative to outer tube, the entire length increase of inner and outer tubes can prop up goods by top board, rectangular tooth row is embedded with in groove on interior pipe, pulling handle makes the ratchet of handle end be meshed with the teeth on rectangular tooth row, the rotation of ratchet, drives rectangular tooth row to move, thus in driving, pipe continues protruding and pushes against goods further.After handle is pulled and put in place, utilizing locations to carrying out locking location, completing support goods fixation procedure.
Owing to not being directly process teeth on inner pipe in the technical program, but the rectangular tooth row of independent processing, suitably can deepen the degree of depth of the teeth be meshed with ratchet like this, relative to punching press teeth on inner pipe direct in orthodox method, the teeth in technical scheme with certain depth can improve the stability engaged with handle ratchet, also in use can try one's best and reduce the wearing and tearing of teeth; Offer teeth than be on inner pipe easy to many owing to offering groove on inner pipe, relative to conventional machining process, this load-supporting device can reduce difficulty of processing, enhances productivity, and reduces productive costs.Rectangular tooth row is embedded in rectangular groove on inner pipe, carries out spacing by the sidewall of groove to it, ensure that the fastness that rectangular tooth row is connected with interior pipe.
In above-mentioned load-supporting device, described outer tube has opening, the ratchet on described handle can be meshed with the teeth on described rectangular tooth row through described opening.Be arranged on by handle directly over outer tube, the ratchet on handle is meshed with the teeth on rectangular tooth row by the opening on outer tube, makes its compact conformation, simple operation.
In above-mentioned load-supporting device, described opening is the through hole running through described outer tube wall.This through hole can be bar hole, also can make square opening.
In above-mentioned load-supporting device, described outer tube is installed with support, described support comprises the cylindrical shell be set on described outer tube, the sidewall of described cylindrical shell offers breach vertically, the breach both sides place of described cylindrical shell is equipped with towards the adapter plate outside cylindrical shell, described handle is hinged on described adapter plate, and one end of described handle has handle, and described ratchet is positioned at the other end of described handle.Support is connected on outer tube by barrel jacket, is convenient to assembling; Adapter plate is used for hinged handle, thus handle is fixed on outer tube indirectly, by rotating hinged handle, the ratchet of handle end is meshed with the teeth on rectangular tooth row, thus drives interior pipe to stretch out to push against goods.The technical program medium-height trestle adopt metallic iron make, material cost and process costs low.
In above-mentioned load-supporting device, described support is provided with the bolt through two adapter plates, and described handle passes through this bolted splice on described adapter plate.An effect of bolt is for hinged handle, and another effect is by turning bolt, adapter plate is drawn close in opposite directions, thus reduces the cylinder internal diameter of support, make it fixed with outer tube.
In above-mentioned load-supporting device, described opening and ratchet are all positioned at described support.Support plays protection and dustproof effect to ratchet, and can ensure that the installation of ratchet is firm, keeps stable.
In above-mentioned load-supporting device, the block that described support sets firmly, described block is between two adapter plates and be positioned at the side of handle hinge-point near handle, and described handle can be resisted against on described block after hinge-point rotates.When handle rotates around hinge-point, this block can play position-limiting action, ensures to be conducive to its locking while handle rotate in place.
In above-mentioned load-supporting device, described locations is a buckle, the middle part of described buckle is hinged in described handle, one end of described buckle protrudes upward described handle, the other end of described buckle has hook and described hook stretches out described handle downwards, and the middle part of described buckle is also provided with and described hook can be made to rotate around buckle hinge-point and be resisted against the torsion spring on described block.Ratchet on handle is meshed with the teeth on rectangular tooth row, and after rotateing in place, under the effect of torsion spring torsion, the hook of buckle can be articulated on block, locking handle; When needing to unclamp, external force stirs buckle, overcomes torsion spring elastic force, and make the hook of buckle depart from block, backwards rotation handle, can shrink interior pipe.The technical program middle external tube and buckle all can adopt punch forming, reduce costs.
Because rectangular tooth row is embedded in the groove of interior pipe and buckle is arranged in handle the profile of whole load-supporting device can be made smaller and more exquisite in the technical program.
As other technologies scheme, bolt can also be adopted to be fixed by handle locking.
In above-mentioned load-supporting device, described interior pipe stretches out from the outer end of described outer tube, and the internal diameter of described outer tube outer end and opening part is all less than the internal diameter of described outer tube the inner.The inwall of outer tube plays certain position-limiting action, prevents interior pipe from swinging, and keeps stable.Also the additional wear of teeth can be reduced.
In above-mentioned load-supporting device, half tooth row one of the strip be arranged side by side and half tooth row two of strip are drawn together in described strip-shaped tooth package.The teeth be meshed with handle ratchet in load-supporting device have certain width usually, manufacture independent integral type tooth row, Sheet Metal Forming Technology realize difficulty large.Two half tooth rows be arranged side by side are adopted to piece together the rectangular tooth row that has more wide degree in the technical program, namely half tooth row one and half tooth row two is connected to form the rectangular tooth row of a double-width side by side, the waste material of such generation reduces, and Sheet Metal Forming Technology can be adopted to reduce manufacture difficulty, reduce productive costs.
In above-mentioned load-supporting device, and both just relative are arranged side by side identical with the teeth on half tooth row two of the teeth on described half tooth row one; Described half tooth row one and half tooth row two is blanked part.Half tooth row one and half tooth row two is disposed adjacent side by side, the teeth one_to_one corresponding on the teeth on half tooth row one and half tooth row two, forms a complete rectangular tooth row of entirety, reaches same result of use, simultaneously also can low cost punching production.
The teeth degree of depth on teeth in the technical program on half tooth row one and half tooth row two is 5mm-20mm.Can be meshed with ratchet completely.
In above-mentioned load-supporting device, the side of described half tooth row one has projection, and the side of described half tooth row two has the recess of coupling corresponding with described projection, and described projection is embedded in described recess.Half tooth row one and half tooth row two-way crosses protruding being connected with recess, can limit both relative positions, can ensure the stability of the rectangular tooth row that half tooth row one and half tooth row two is formed like this; And make processing simple, easy to assembly.
Imbed after recess makes half tooth row one be connected with half tooth row two by projection in the technical program, can be fixed by welding, strengthen fixing, then for the whole rectangular tooth row punching of its composition, fix for pin.
In above-mentioned load-supporting device, be all fixed by a pin in groove in the groove that described half tooth row one and half tooth row two is embedded on interior pipe.
Compared with prior art, the utility model has the following advantages:
1, in this load-supporting device, teeth are not directly punching presses on inner pipe, but be arranged on independent rectangular tooth row, and be embedded in the groove of interior pipe, can suitably deepen the teeth degree of depth like this, the teeth with the larger degree of depth can improve the stability engaged with handle ratchet, also in use can try one's best and reduce the wearing and tearing of teeth, ensure the fastness of rectangular tooth row simultaneously.
2, in this load-supporting device, pipe is offered groove to offer teeth than on inner pipe and be easy to many, independent punching press teeth can reduce difficulty of processing, enhance productivity, reduction productive costs.
Accompanying drawing explanation
Fig. 1 is the perspective view of this load-supporting device.
Fig. 2 is the partial enlargement structural representation of this load-supporting device.
Fig. 3 is the plan structure schematic diagram of this load-supporting device.
Fig. 4 is the semi-sictional view structural representation of this load-supporting device.
Fig. 5 is the structural representation of handle in this load-supporting device.
Fig. 6 is the perspective view of half tooth row one and half tooth row two in this load-supporting device.
Fig. 7 is the semi-sictional view structural representation of half tooth row one and half tooth row two in this load-supporting device.
In figure, 1, interior pipe; 2, outer tube; 3, handle; 31, handle; 32, ratchet; 4, groove; 5, rectangular tooth row; 51, half tooth row one; 52, half tooth row two; 53, teeth; 6, opening; 7, locations; 71, buckle; 711, link up with; 72, torsion spring; 8, protruding; 9, recess; 10, support; 101, cylindrical shell; 102, breach; 103, adapter plate; 104, bolt; 11, block; 12, pin.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figures 1 to 7, the outer tube 2 that this load-supporting device comprises interior pipe 1 and is set in outside interior pipe 1, a part for interior pipe 1 can stretch out outer tube 2, outer tube 2 is hinged with handle 3, interior pipe 1 offers vertically the groove 4 of strip, strip-shaped tooth row 5 is embedded with in groove 4, outer tube 2 has opening 6, opening 6 is in the through hole running through described outer tube 2 tube wall, the end of handle 3 has ratchet 32 and ratchet 32 can be meshed with the teeth 53 of rectangular tooth row 5 through opening 6, outer tube 2 is installed with support 10, handle 3 is over the mount 10 hinged, one end of handle 3 has handle 31, ratchet 32 is positioned at the other end of handle 3.
As shown in Figures 2 and 3, the present embodiment medium-height trestle 10 comprises the cylindrical shell 101 be set on outer tube 2, the sidewall of cylindrical shell 101 offers breach 102 vertically, and the breach 102 both sides place of cylindrical shell 101 is equipped with towards the adapter plate 103 outside cylindrical shell 101, and handle 3 is hinged on adapter plate 103; Support 10 is provided with the bolt 104 through two adapter plates 103, and handle 3 is hinged on adapter plate 103 by this bolt 104; Opening 6 and ratchet 32 are all positioned at support 10; The block 11 that support 10 sets firmly, block 11 is between two adapter plates 103 and be positioned at handle 3 hinge-point near the side of handle 31, and handle 3 can be resisted against on block 11 after hinge-point rotates.Bolt 104 for hinged handle 3 through two adapter plates 103, can change the spacing between two adapter plates 103 by adjusting bolt 104 simultaneously, thus tightens or unscrew the support 10 be set on outer tube 2.Block 11 is installed on adapter plate 103, thus is indirectly fixed on outer tube 2.Load-supporting device also comprises can by the locations 7 of handle 3 locking when ratchet 32 and teeth 53 are meshed, locations 7 is a buckle 71, the middle part of buckle 71 is hinged in handle 3, one end of buckle 71 protrudes upward handle 3, the other end of buckle 71 has hook 711 and stretches out handle 3 downwards, and the middle part of buckle 71 is also provided with and hook 711 can be made to rotate around buckle 71 hinge-point and be resisted against the torsion spring 72 on block 11.
Groove 4 on interior pipe 1 is square, and the bottom shape of its shape and rectangular tooth row 5 matches, and the bottom of rectangular tooth row is installed on the bottom surface of groove 4.
Use initial condition, in major part, pipe 1 is arranged in outer tube 2, both entire length are shorter like this, during use, moved outwardly by interior pipe 1 as required relative to outer tube 2, the entire length increase of interior pipe 1 and outer tube 2 can prop up goods, by pulling handle 3, the ratchet 32 of handle 3 end is meshed with the teeth 53 on rectangular tooth row 5, the rotation of ratchet 32, drives rectangular tooth row 5 to move, thus in driving, pipe 1 continues protruding and pushes against goods further.After handle 3 rotate in place, under the effect of torsion spring 72 torsion, the hook 711 of buckle 71 can be articulated on block 11, locking handle 3, completes support goods fixation procedure; When needing to unclamp, external force stirs buckle 71, overcomes torsion spring 72 elastic force, makes the hook 711 of buckle 71 depart from block 11, backwards rotation handle 3, can shrink interior pipe 1.
The present embodiment middle external tube 2 and buckle 71 all adopt punch forming, reduce costs.
As shown in Figures 1 to 4, interior pipe 1 stretches out from the outer end of outer tube 2, and the internal diameter at outer tube 2 outer end and opening 6 place is all less than the internal diameter of outer tube 2 the inner, the inwall of outer tube 2 plays certain position-limiting action, prevent interior pipe 1 from swinging, keep stable, also can reduce the additional wear of teeth 53.
As shown in Figure 6 and Figure 7, rectangular tooth row 5 in the present embodiment is formed by half tooth row 1 and half tooth row 2 52 Side by side groupings, the side of half tooth row 1 has protruding 8, the side of half tooth row 2 52 has the recess 9 with protruding 8 corresponding couplings, half tooth row 1 and half tooth row 2 52 are disposed adjacent side by side, protruding 8 are embedded in recess 9, half tooth row 1 and half tooth row 2 52 by protruding 8 with being connected of recess 9, the relative position of both restrictions, ensures the stable of the rectangular tooth row 5 that half tooth row 1 and half tooth row 2 52 are formed; Protruding 8 imbed after recess 9 makes half tooth row 1 be connected with half tooth row 2 52, fixed by welding again, strengthen fixing, in the whole rectangular tooth row upper punch hole of its composition, half tooth row 1 and half tooth row 2 52 to be embedded in groove on interior pipe 14 and to be all fixed in groove 4 through punching by pin 12.Teeth 53 on half tooth row 1 are identical with the teeth 53 on half tooth row 2 52, half tooth row 1 and half tooth row 2 52 all adopt punch forming, teeth 53 on half tooth row 1 and teeth 53 one_to_one corresponding on half tooth row 2 52, form a complete rectangular tooth row 5 of integral type, reach same result of use, simultaneously also can low cost punching production.
Teeth 53 in the present embodiment on half tooth row 1 and teeth 53 degree of depth on half tooth row 2 52 are 10mm, can be meshed with ratchet completely.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ 1 herein, interior pipe; 2, outer tube; 3, handle; 31, handle; 32, ratchet; 4, groove; 5, rectangular tooth row; 51, half tooth row one; 52, half tooth row two; 53, teeth; 6, opening; 7, locations; 71, buckle; 711, link up with; 72, torsion spring; 8, protruding; 9, recess; 10, support; 101, cylindrical shell; 102, breach; 103, adapter plate; 104, bolt; 11, block; 12, the term such as pin, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (9)
1. a load-supporting device, described load-supporting device comprises interior pipe (1) and is set in interior pipe (1) outer tube outward (2), a part for described interior pipe (1) can stretch out described outer tube (2), described outer tube (2) is hinged with handle (3), it is characterized in that, described interior pipe (1) offers vertically the groove (4) of strip, strip-shaped tooth row (5) is embedded with in described groove (4), the end of described handle (3) has ratchet (32) and described ratchet (32) can be meshed with the teeth (53) on rectangular tooth row (5), described load-supporting device also comprises when ratchet (32) and teeth (53) are meshed can the locations (7) of handle (3) described in locking.
2. a kind of load-supporting device according to claim 1, it is characterized in that, described outer tube (2) has opening (6), the ratchet (32) on described handle (3) can be meshed with the teeth (53) on described rectangular tooth row (5) through described opening (6).
3. a kind of load-supporting device according to claim 2, is characterized in that, described opening (6) is for running through the through hole of described outer tube (2) tube wall.
4. a kind of load-supporting device according to claim 1 or 2 or 3, it is characterized in that, described outer tube (2) is installed with support (10), described support (10) comprises the cylindrical shell (101) be set on described outer tube (2), the sidewall of described cylindrical shell (101) offers breach (102) vertically, breach (102) the both sides place of described cylindrical shell (101) is equipped with towards cylindrical shell (101) adapter plate outward (103), described handle (3) is hinged on described adapter plate (103), one end of described handle (3) has handle (31), described ratchet (32) is positioned at the other end of described handle (3).
5. a kind of load-supporting device according to claim 4, it is characterized in that, described support (10) is provided with the bolt (104) through two adapter plates (103), and described handle (3) is hinged on described adapter plate (103) by this bolt (104).
6. a kind of load-supporting device according to claim 4, is characterized in that, described opening (6) and ratchet (32) are all positioned at described support (10).
7. a kind of load-supporting device according to claim 4, it is characterized in that, the block (11) that described support (10) sets firmly, described block (11) to be positioned between two adapter plates (103) and to be positioned at handle (3) hinge-point near the side of handle (31), and described handle (3) can be resisted against on described block (11) after hinge-point rotates.
8. a kind of load-supporting device according to claim 7, it is characterized in that, described locations (7) is a buckle (71), the middle part of described buckle (71) is hinged in described handle (3), one end of described buckle (71) protrudes upward described handle (3), the other end of described buckle (71) has hook (711) and described hook (711) stretches out described handle (3) downwards, the middle part of described buckle (71) is also provided with and described hook (711) can be made to rotate around buckle (71) hinge-point and be resisted against the torsion spring (72) on described block (11).
9. a kind of load-supporting device according to claim 1 or 2 or 3, it is characterized in that, described interior pipe (1) is stretched out from the outer end of described outer tube (2), and the internal diameter at described outer tube (2) outer end and opening (6) place is all less than the inner internal diameter of described outer tube (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520328893.2U CN204659565U (en) | 2015-05-20 | 2015-05-20 | A kind of load-supporting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520328893.2U CN204659565U (en) | 2015-05-20 | 2015-05-20 | A kind of load-supporting device |
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| CN204659565U true CN204659565U (en) | 2015-09-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842858A (en) * | 2015-05-20 | 2015-08-19 | 浙江双友物流器械股份有限公司 | Cargo expander |
| CN106742179A (en) * | 2017-01-06 | 2017-05-31 | 青岛海能五金制品有限公司 | Square tube support beam single-column keeps off bird |
| CN113002410A (en) * | 2021-03-02 | 2021-06-22 | 浙江双友物流器械股份有限公司 | Goods blocking device |
-
2015
- 2015-05-20 CN CN201520328893.2U patent/CN204659565U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842858A (en) * | 2015-05-20 | 2015-08-19 | 浙江双友物流器械股份有限公司 | Cargo expander |
| CN106742179A (en) * | 2017-01-06 | 2017-05-31 | 青岛海能五金制品有限公司 | Square tube support beam single-column keeps off bird |
| CN113002410A (en) * | 2021-03-02 | 2021-06-22 | 浙江双友物流器械股份有限公司 | Goods blocking device |
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