CN2858861Y

CN2858861Y - Stretching means with square connecting member

Info

Publication number: CN2858861Y
Application number: CN 200520126080
Authority: CN
Inventors: 李宏泽
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-12-16
Filing date: 2005-12-16
Publication date: 2007-01-17
Anticipated expiration: 2015-12-16

Abstract

This utility model discloses a support tighten device which has a square connecting piece comprises a upper tube, a bottom tube and a square connecting piece connecting between the two tubes which can make the upper tube move upward; the square connecting piece comprises a connecting seat which can fix on the bottom tube, a slide block which can slide up and down along the connecting seat, a card which move fore and after along the connecting seat, a hand rod which can trip reelingly and a connecting cap. It uses the cooperating relationship between the connecting seats, the slide block, the card, the hand rod and the connecting cap and make the upper tube move upward so as to make the support tighten device support between the upper and lower pieces to achieve the objective of the support tighten device when press the hand grip downward. It is easy to use and its cost is low.

Description

A kind of stretching device with square connector

Technical field

The utility model relates to a kind of stretching device, particularly relates to a kind of stretching device with square connector.

Background technology

The stretching device is that a kind of mode by stretching is fixed on the structural member between the object up and down, such as, when shelf need be built by room central authorities, just need use the stretching device, utilize stretching device stretching to be fixed between ceiling and the ground, then just can on the stretching device, connect other shelf.The stretching device it generally include base or bottom bar, can be with respect to base or bottom bar upper support bar to top offset, and be used to drive and the lift-up device of the upper support bar displacement that locks, this class stretching device commonly used is the mode that adopts air pressure or hydraulic pressure mostly, make upper support bar to top offset and stretching is fixed on up and down between the object, yet, the structure of this class stretching device is complicated, and cost of manufacture is higher.And prior art mechanically realize stretching at the stretching device between the object up and down, often support is firm inadequately, thereby has influenced the applicability of mechanical type stretching device.

The utility model content

The purpose of this utility model is to overcome the deficiency of prior art, and a kind of stretching device with square connector is provided, and it is to realize that with frame mode stretching is fixed on up and down between the object, has characteristics easy to use, that cost of manufacture is low.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of stretching device with square connector, and it comprises pipe fitting on, a bottom tube spare and is connected between the two pipe fittings and can makes the move up square connector of stretching of pipe fitting; Described square connector comprises the Connection Block that can be socketed on the bottom tube spare, the slide block that can slide up and down along Connection Block, plug-in unit, the rotatable hand-held pole of pulling, the attachment cap that can move forward and backward along Connection Block; The through hole that pipe fitting passes can be kept supplying along vertically being provided with in the middle part of Connection Block; One end of plug-in unit is provided with the plug that can match with last pipe fitting jack, and the other end passes behind slide block, Connection Block, the hand-held pole and the attachment cap Joint successively, and first spring is housed between plug-in unit and slide block; Slide block is installed in Connection Block along in the slideway of vertically establishing, and slider bottom is connected with the bottom of Connection Block by second spring; Hand-held pole is provided with the groove that can hold attachment cap, and bottom land is provided with a small embossment, and attachment cap is provided with the semicircular groove that can hold its rotation with respect to the small embossment place of hand-held pole, and described semicircular groove is provided with one section slope; The middle part of hand-held pole is partial to an end place bearing is housed, and the bottom rear of Connection Block is provided with and can be matched with the support portion that bearing moves and locatees.

Described Connection Block comprise seat body, by the upwardly extending backup plate body of seat body rear side one and bottom rear integrally formed be matched with the support portion that bearing moves and locatees; The bottom of seat body is provided with can the corresponding groove that socket-connects with bottom tube spare; Through hole is located at the middle part of seat body; The backup plate body is along vertically being provided with the slideway that can slide up and down for slide block, and is matched with the slide opening that Gong the plug-in unit of slideway passes; Slide block is installed in the slideway of backup plate body, and affixed second spring of slider bottom, the other end of second spring are passed down through the spring eye and the seat body bottom Joint of seat body; The support portion is a slope shape, and slope top is provided with arc section, is provided with blind hole corresponding to the seat body of arc section.

Described slide block is provided with the groove recessed from the front portion, and bottom land is provided with the through hole that can supply plug-in unit to pass, and first spring is contained between the bottom land of plug-in unit leading section and slide block, and the plug-in unit leading section is provided with the step of card pressing spring.

Described plug-in unit front end is made as to be matched with and inserts the plug of going up pipe fitting, and the rear end is provided with screwed hole, and the plug-in unit rear end fixes by screw with attachment cap after passing slide block, Connection Block, hand-held pole backward successively.

Described hand-held pole one end is made as rotating part, the other end is made as handle, and the described groove that holds attachment cap is located at the rear portion of rotating part, and the front portion and the Connection Block of rotating part lean, the middle part of rotating part is provided with the through hole that can supply plug-in unit to pass, and bearing is contained in deflection rotating part place, handle middle part.

The semicircular groove of described attachment cap is made as three sections, is respectively head tank section, surface groove section, Lower tank section.

During use, the bottom and the bottom tube spare of square connector socket-connect, and last pipe fitting is and vertically is set in the square connector, promptly in the through hole of Connection Block seat body;

When the handle of hand-held pole is horizontal, the projection of hand-held pole leans the head tank section at the semicircular groove of attachment cap, the projection of hand-held pole ejects attachment cap, because the tail end Joint of attachment cap and plug-in unit, therefore, plug-in unit is pulled rearward, the plug of plug-in unit front portion is subjected to the effect of back pull to compress first spring, plug moves backward, the plug of this moment does not insert in the jack of pipe fitting, last pipe fitting can move up and down, and each parts that plug-in unit and plug-in unit wore all are in the bottom of Connection Block slide opening;

Pull the pressure handle downwards, handle is around the rotating part rotation of hand-held pole, the projection of hand-held pole moves along the surface groove section of the semicircular groove of attachment cap, slide into Lower tank by head tank, make in the groove of attachment cap retraction hand-held pole, because the tail end Joint of attachment cap and plug-in unit, therefore, plug-in unit can be subjected to the effect of first spring reset and move forward, the plug of plug-in unit then inserts in the jack of pipe fitting, at this moment, each parts that plug-in unit and plug-in unit wear still are in the bottom of Connection Block slide opening, and the bearing that be equipped with at deflection one end place, hand-held pole middle part is resisted against the bottom on the slope of support portion;

Pull the pressure handle downwards, handle continues the rotating part rotation around hand-held pole, the projection of hand-held pole moves along the Lower tank section of the semicircular groove of attachment cap, because when handle continues to press down, the bearing that be equipped with at deflection one end place, hand-held pole middle part is resisted against the slope of support portion, make handle can't continue to press down, handle is subjected to the rotating part of its hand-held pole of support on slope, support portion to drive slide block to move up along the slideway of Connection Block, the bearing at deflection rotating part place, handle middle part then scrolls up along the slope, until the arc section that arrives the top, slope, locate in the blind hole of seat body of going forward side by side, in this process, plug-in unit also will be gone up pipe fitting and together be pulled upwardly when moving up, make on the pipe fitting brute force and push up, thereby make stretching device stretching between object up and down, reached the fixedly effect of stretching device.

The beneficial effects of the utility model are, owing to adopted in connection one between last pipe fitting and the bottom tube spare and can make the move up square connector of stretching of pipe fitting, square connector then comprises the Connection Block that can be socketed on the bottom tube spare, the slide block that can slide up and down along Connection Block, the plug-in unit that can move forward and backward along Connection Block, the rotatable hand-held pole of pulling, attachment cap, utilize Connection Block, slide block, plug-in unit, hand-held pole, matching relationship between the attachment cap, the handle that makes hand-held pole is in the process that presses down, can push up going up on the pipe fitting brute force, thereby make stretching device stretching up and down between the object, reached the fixedly effect of stretching device, had easy to use, the characteristics that cost of manufacture is low.

Description of drawings

Below in conjunction with drawings and Examples the utility model is described in further detail; But a kind of stretching device with square connector of the present utility model is not limited to embodiment.

Fig. 1 is a structure decomposing schematic representation of the present utility model;

Fig. 2 is that structure of the present utility model decomposes (backsight) schematic diagram;

Fig. 3 is the organigram of the square connector of the utility model;

Fig. 4 is along the sectional view of A-A line among Fig. 3.

The specific embodiment

Shown in accompanying drawing, a kind of stretching device of the present utility model with square connector, it comprises pipe fitting 1, a bottom tube spare 2 on one and is connected between the two pipe fittings and can makes the move up square connector 3 of stretching of pipe fitting 1.

Square connector 3 comprises the Connection Block 31 that can be socketed on the bottom tube spare, the slide block 32 that can slide up and down along Connection Block, plug-in unit 33, the rotatable hand-held pole of pulling 34, the attachment cap 36 that can move forward and backward along Connection Block; The through hole 311 that pipe fitting passes can be kept supplying along vertically being provided with in the middle part of Connection Block 31; One end of plug-in unit 33 is provided with the plug 331 that can match with last pipe fitting jack 11, and the other end passes slide block 32, Connection Block 31, hand-held pole 34 backs and attachment cap 36 Joints successively, and first spring 371 is housed between plug-in unit 33 and slide block 32; Slide block 32 is installed in Connection Block 31 along in the slideway of vertically establishing 312, and slide block 32 bottoms are connected with the bottom of Connection Block 31 by second spring 372; Hand-held pole 34 is provided with the groove 341 that can hold attachment cap, bottom land is provided with a small embossment 342, attachment cap 36 is provided with the semicircular groove 361 that can hold its rotation with respect to small embossment 342 places of hand-held pole, described semicircular groove 361 is provided with one section slope 362, and semicircular groove 361 surpasses semi-ring in fact; The middle part of hand-held pole 34 is partial to an end place bearing 35 is housed, and the bottom rear of Connection Block 31 is provided with and can be matched with the support portion 314 that bearing moves and locatees.

Connection Block 31 comprise seat body 310, by the upwardly extending backup plate body 313 of seat body rear side one and bottom rear integrally formed be matched with the support portion 314 that bearing moves and locatees; The bottom of seat body 310 be provided with can with the bottom tube spare 2 corresponding grooves that socket-connect 315; Through hole 311 is located at the middle part of seat body 310; Slideway 312 is along vertically being located at backup plate body 313, and backup plate body 313 is provided with the slide opening 316 that Gong the plug-in unit 33 that is matched with slideway 312 passes; Slide block 32 is installed in the slideway 312 of backup plate body, and the other end of slide block 32 bottoms affixed second spring 372, the second springs 372 is passed down through the spring eye 317 and seat body 310 bottom Joints of seat body; Support portion 314 is a slope shape, and slope top is provided with arc section 318, is provided with blind hole 319 corresponding to the seat body 310 of arc section.

Slide block 32 is provided with the groove 321 recessed from the front portion, and bottom land is provided with and can be contained between the bottom land of plug-in unit 33 leading sections and slide block 32 for through hole 322, the first springs 371 that plug-in unit 33 passes, and the plug-in unit leading section is provided with the step 332 of card pressing spring.

Plug-in unit 33 front ends are made as and are matched with plug 331 that insert to go up pipe fitting, and the rear end is provided with screwed hole, and plug-in unit 33 rear ends are passed slide block 32, Connection Block 31, hand-held pole 34 backs and attachment cap 36 backward successively and fixed by screw.

Hand-held pole 34 1 ends are made as rotating part 340, the other end is made as handle 343, the described groove 341 that holds attachment cap is located at the rear portion of rotating part 340, the front portion of rotating part 340 and Connection Block 31 lean, the middle part of rotating part 340 is provided with the through hole 344 that can supply plug-in unit 33 to pass, and bearing 35 is contained in deflection rotating part 340 places, handle 343 middle parts.

The semicircular groove 361 of attachment cap 36 is made as three sections, is respectively head tank section, surface groove section, Lower tank section.

During use, the bottom of square connector 3 and bottom tube spare 2 socket-connect, and last pipe fitting 1 is and vertically is set in the square connector 3, promptly in the through hole 311 of Connection Block seat body.

When the handle 343 of hand-held pole 34 is horizontal, the projection 342 of hand-held pole leans the head tank section at the semicircular groove 361 of attachment cap, the projection 342 of hand-held pole ejects attachment cap 36, because the tail end Joint of attachment cap 36 and plug-in unit 33, therefore, plug-in unit 33 is pulled rearward, the plug 331 of plug-in unit 33 front portions is subjected to the effect of back pull to compress first spring 371, plug 331 moves backward, the plug 331 of this moment does not insert in the jack 11 of pipe fitting, last pipe fitting 1 can move up and down, and plug-in unit 33 and each parts that plug-in unit wore all are in the bottom of Connection Block slide opening 316.

Pull downwards and press handle 343, handle 343 is around rotating part 340 rotations of hand-held pole, the projection 342 of hand-held pole moves along the surface groove section 362 of the semicircular groove of attachment cap, slide into Lower tank by head tank, make in the groove 341 of attachment cap 36 retraction hand-held poles, because the tail end Joint of attachment cap 36 and plug-in unit 33, therefore, plug-in unit 33 can be subjected to the effect that first spring 371 resets and move forward, in 331 insertions of the plug of plug-in unit in the jack 11 of pipe fitting, at this moment, plug-in unit 33 and each parts that plug-in unit wore still are in the bottom of Connection Block slide opening 316, and the bottom that the bearing 35 that is equipped with at an end place is resisted against the slope of support portion 314 is partial at hand-held pole 34 middle parts; Pull downwards again and press handle 343, handle 343 continues rotating part 340 rotations around hand-held pole, the projection 342 of hand-held pole moves along the Lower tank section of the semicircular groove 361 of attachment cap, because when handle 343 continues to press down, the slope that the bearing 35 that is equipped with at an end place is resisted against support portion 314 is partial at hand-held pole 34 middle parts, make handle 343 can't continue to press down, handle 343 is subjected to the rotating part 340 of its hand-held pole of support on 314 slopes, support portion to drive slide blocks 32 to move up along the slideway 312 of Connection Block, 35 on the bearing at deflection rotating part place, handle 343 middle parts scrolls up along the slope, until the arc section 318 that arrives the top, slope, location in the blind hole 319 of seat body 310 of going forward side by side, in this process, plug-in unit 33 also will be gone up pipe fitting 1 and together be pulled upwardly when moving up, make the pipe fitting 1 powerful top of going up, thereby make stretching device stretching between object up and down, reached the fixedly effect of stretching device.

Claims

1. stretching device with square connector, it comprises pipe fitting on, a bottom tube spare and is connected between the two pipe fittings and can makes the move up square connector of stretching of pipe fitting; It is characterized in that: described square connector comprises the Connection Block that can be socketed on the bottom tube spare, the slide block that can slide up and down along Connection Block, plug-in unit, the rotatable hand-held pole of pulling, the attachment cap that can move forward and backward along Connection Block; The through hole that pipe fitting passes can be kept supplying along vertically being provided with in the middle part of Connection Block; One end of plug-in unit is provided with the plug that can match with last pipe fitting jack, and the other end passes behind slide block, Connection Block, the hand-held pole and the attachment cap Joint successively, and first spring is housed between plug-in unit and slide block; Slide block is installed in Connection Block along in the slideway of vertically establishing, and slider bottom is connected with the bottom of Connection Block by second spring; Hand-held pole is provided with the groove that can hold attachment cap, and bottom land is provided with a small embossment, and attachment cap is provided with the semicircular groove that can hold its rotation with respect to the small embossment place of hand-held pole, and described semicircular groove is provided with one section slope; The middle part of hand-held pole is partial to an end place bearing is housed, and the bottom rear of Connection Block is provided with and can be matched with the support portion that bearing moves and locatees.

2. a kind of stretching device with square connector according to claim 1 is characterized in that: described Connection Block comprise seat body, by the upwardly extending backup plate body of seat body rear side one and bottom rear integrally formed be matched with the support portion that bearing moves and locatees; The bottom of seat body is provided with can the corresponding groove that socket-connects with bottom tube spare; Through hole is located at the middle part of seat body; The backup plate body is along vertically being provided with the slideway that can slide up and down for slide block, and is matched with the slide opening that Gong the plug-in unit of slideway passes; Slide block is installed in the slideway of backup plate body, and affixed second spring of slider bottom, the other end of second spring are passed down through the spring eye and the seat body bottom Joint of seat body; The support portion is a slope shape, and slope top is provided with arc section, is provided with blind hole corresponding to the seat body of arc section.

3. a kind of stretching device according to claim 1 with square connector, it is characterized in that: described slide block is provided with the groove recessed from the front portion, bottom land is provided with the through hole that can supply plug-in unit to pass, first spring is contained between the bottom land of plug-in unit leading section and slide block, and the plug-in unit leading section is provided with the step of card pressing spring.

4. a kind of stretching device according to claim 1 with square connector, it is characterized in that: described plug-in unit front end is made as to be matched with and inserts the plug of going up pipe fitting, the rear end is provided with screwed hole, and the plug-in unit rear end fixes by screw with attachment cap after passing slide block, Connection Block, hand-held pole backward successively.

5. a kind of stretching device according to claim 1 with square connector, it is characterized in that: described hand-held pole one end is made as rotating part, the other end is made as handle, the described groove that holds attachment cap is located at the rear portion of rotating part, the front portion and the Connection Block of rotating part lean, the middle part of rotating part is provided with the through hole that can supply plug-in unit to pass, and bearing is contained in deflection rotating part place, handle middle part.

6. a kind of stretching device with square connector according to claim 1, it is characterized in that: the semicircular groove of described attachment cap is made as three sections, is respectively head tank section, surface groove section, Lower tank section.