CN201391162Y

CN201391162Y - Floor spring

Info

Publication number: CN201391162Y
Application number: CN200920052684U
Authority: CN
Inventors: 陈长才
Original assignee: HAOQING ZHICHENG DOOR ACCESSORIES CO Ltd; ZHICHENG PNEUMATIC CO Ltd ZHAOQING CITY
Current assignee: HAOQING ZHICHENG DOOR ACCESSORIES CO Ltd; ZHICHENG PNEUMATIC CO Ltd ZHAOQING CITY
Priority date: 2009-03-13
Filing date: 2009-03-13
Publication date: 2010-01-27
Anticipated expiration: 2019-03-13

Abstract

The utility model provides a floor spring which comprises a valve body. A piston, a connecting rod and a dragging plate are sequentially arranged in a valve cavity of the valve body; an end cover is arranged at the end of the valve body with the piston, and a pressing cover is arranged at the end of the valve body with the dragging plate; a ring-shaped oil path is arranged between the wall of the valve body and the piston, an oil opening which is used for inserting an adjusting valve and is communicated with the oil path is arranged on the segment of valve body, a compression spring is wound on the connecting rod, the dragging plate is divided into upper and lower dragging plates, and positioning wheels are arranged at the two front end sides between the upper and lower dragging plates; wheel shaft cores which are connected with a door shaft are sleeved on the upper and lower dragging plates, one side of the wheel shaft cores is penetrated through the wall of the valve body, a bidirectional cam which can lead the door shaft to carry out positioning when in 90-DEG rotation is sleeved on the wheel shaft core between the upper and lower dragging plates, a multi-directional cam which can lead the door shaft to carry out positioning at will after 130-DEG rotation is sleeved on the wheel shaft core at the outer side of the upper dragging plate, the multi-directional cam is longer than the bidirectional cam, and the width of the multi-directional cam is the same as that of the bidirectional cam. The floor spring is suitable for being installed on a door from which persons go in and out frequently, so as to lead the opening-closing positioning of the door to be safe, convenient, practical and humanized.

Description

A kind of floor spring

Technical field

The utility model relates to a kind of floor spring, the floor spring of the multidirectional location of particularly a kind of energy.

Background technology

The gate floor spring is mainly formed a hydraulic damping device by hydraulic oil, body, spring, piston.Power comes from the built-in compression spring of body, and spring force is by the piston drivening rod, and connecting rod drives the wheel shaft core, rotates thereby drive door-hinge, and the door-hinge location is by being socketed in contacting of cam and locating wheel on the wheel shaft core.In motion process, to hydraulic oil, hydraulic oil is the oil circuit by offering on the body then with transmission of power for piston, and chamber, a body left side flows to the whole control valve of the right intonation of body through control valve, then can regulate the flow velocity and the flow of hydraulic oil, thus indirect regulation piston and movement of springs speed.And close the door is to drive the door rotation by the wheel shaft core, promote left at the following piston of the effect of back-moving spring, the piston drivening rod, connecting rod drives the wheel shaft core, and the wheel shaft core drives the door rotation, and door is closed automatically, therefore, control valve on the body is the speed of closing of regulating, by adjusting control valve, the effect of can obtain soon, closing the door at a slow speed.This shows that hydraulically the power of closing the door of spring is from the compression spring, the effect of closing the door then is to obtain by the flow of regulating hydraulic oil.

Chinese patent CN2450334 discloses a kind of floor spring arm-tie of opening 360 degree, comprise arm-tie, lower pulling plate, axle core, be positioned at two positioning rollers between the axle central layer between lower pulling plate, last arm-tie and lower pulling plate, on the axle central layer two group of four point location concave surface arranged, axle core lower end core check plate of side joint outside lower pulling plate, there is a stopping wheel at opposite place with positioning roller on the lower pulling plate, but this patented technology can not multi-directionly be located.

The utility model content

The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, and a kind of novel floor spring is provided, can not be in the problem of multi-direction location when having solved common floor spring and opening the door.

The realization the technical solution of the utility model is: a kind of floor spring, comprise valve body, and in the valve pocket of valve body, be provided with piston, connecting rod and planker successively, there is the valve body end of piston to be provided with end cap, there is the valve body end of planker to be provided with gland; Be provided with annular oil circuit between described valve body wall and the piston, this section valve body is provided with assigns the hydraulic fluid port of adjusting valve and communicating with oil circuit; Be surrounded with the compression spring on the described connecting rod; Described planker is divided into planker up and down, and the front end both sides between upper and lower planker are provided with locating wheel; The one-sided wheel shaft core retainer plate that runs through valve body wall and link to each other with door-hinge is connected on up and down on the planker, be socketed with on the described wheel shaft core between planker up and down can make door-hinge rotate 90 location when spending two to cam; Be socketed with on the wheel shaft core in the last planker outside and can make door-hinge rotate the random positioned multidirectional cam in 130 degree backs; Described multidirectional cam is longer to cam than two, but width is identical.

Further, in above-mentioned floor spring, described two are cattail leaf fan shape to cam, and the both sides, top of cattail leaf fan are provided with concave surface.Described multidirectional cam is peach shape, and the body of peach shape is thicker than peach point.

Further again, separate when two kinds of cams are located respectively, described hydraulic fluid port is divided into quick hydraulic fluid port and hydraulic fluid port at a slow speed, is setting up oil-out soon at a slow speed between the hydraulic fluid port.Impaired for preventing the planker friction, be provided with bearing between described planker down and the valve interior wall.

Compared with prior art, be socketed with on the wheel shaft core between planker up and down of floor spring provided by the utility model can make door-hinge rotate 90 location when spending two to cam; Be socketed with on the wheel shaft core in the last planker outside and can make door-hinge rotate the random positioned multidirectional cam in 130 degree backs.The door that this floor spring is installed is applicable to the frequent and complicated port place of population discrepancy, makes folding positioning security, facility, the practicality of fan door, have more hommization.

Description of drawings

Fig. 1 is a side-view of the present utility model;

Fig. 2 is a vertical view of the present utility model;

Fig. 3 is the schematic diagram of socket cam on the wheel shaft core of the present utility model;

Fig. 4 is the lateral view of socket cam on the wheel shaft core;

Fig. 5 is that the utility model is located at the adjustment valve arrangement figure on the hydraulic fluid port;

Fig. 6 is the view of the utility model cam when door-hinge rotates to 90 ° of location;

To be the utility model rotate to after 130 the view of positioning cam arbitrarily at door to Fig. 7.

Wherein 1 valve body, 2 pistons, 3 connecting rods, 4 end caps, 5 glands, 6 are adjusted planker on valves, the 7 compression springs, 81,82 times plankers, 9 locating wheels, 10 wheel shaft cores, 111 liang to cam, 112 multidirectional cams, 12 concave surfaces, 13 quick hydraulic fluid ports, 14 hydraulic fluid port, 15 oil-outs, 16 bearings at a slow speed.

The specific embodiment

For the ease of those skilled in the art's understanding, the utility model floor spring is further specified below in conjunction with the drawings and specific embodiments:

Shown in accompanying drawing 1-7, a kind of floor spring comprises valve body 1, is provided with piston 2, connecting rod 3 and planker in the valve pocket of valve body successively, has the valve body end of piston 2 to be provided with end cap 4, has the valve body end of planker to be provided with gland 5; Be provided with annular oil circuit between described valve body wall and the piston, this section valve body is provided with assigns the hydraulic fluid port of adjusting valve 6 and communicating with oil circuit; Be surrounded with compression spring 7 on the described connecting rod 3; Described planker is divided into planker 81,82 up and down, and the front end both sides between upper and lower planker 81,82 are provided with locating wheel 9; The one-sided wheel shaft core 10 that runs through valve body wall and link to each other with door-hinge is socketed in up and down on the planker 81,82, be socketed with on the described wheel shaft core between planker up and down can make door-hinge rotate 90 location when spending two to cam 111; Be socketed with on the wheel shaft core in last planker 81 outsides and can make door-hinge rotate the random positioned multidirectional cam 112 in 130 degree backs; Described multidirectional cam 112 to two is long to cam 111, but width is identical.

Described two are cattail leaf fan shape to cam 111, and the both sides, top of cattail leaf fan are provided with concave surface 12.

Described multidirectional cam 112 is peach shape, and the body of peach shape is thicker than peach point.

When two kinds of cams were located respectively, separate, described hydraulic fluid port was divided into quick hydraulic fluid port 13 and hydraulic fluid port 14 at a slow speed, is setting up oil-out 15 soon at a slow speed between the hydraulic fluid port.

Impaired for preventing the planker friction, be provided with bearing 16 between described planker 82 down and the valve interior wall.

When opening the door, the wheel shaft core 10 that door-hinge drives floor spring rotates, and two to cam and and then motion of multidirectional cam 112, moves right by planker drivening rod 3 and piston 2, at this moment the oil on oil cylinder inner carrier the right flows into the piston left side by one way valve, realizes opening the door action.Door is when being opened to 90 °, two to the concave surface 12 of cam 111 just against a locating wheel, realized 90 ° of location, when door-hinge was rotated further, the peach of multidirectional cam 112 point both sides were respectively against locating wheel 9, thereby when realizing that door-hinge rotates 130 °, door can be located mutually noninterfere arbitrarily.When at closing time, the wheel shaft core drives the door rotation, promotes left at the following piston 2 of effect of compression spring 7, and piston 2 drivening rods 3, connecting rod 3 drives wheel shaft cores 10, and wheel shaft core 10 drives door and rotates, and makes to close automatically.When piston was moved to the left, one way valve sealing through adjusting valve 6, flowed to the right of piston 2 along oil circuit at the hydraulic oil on the oil cylinder inner carrier left side, and movement velocity is then by the flow-control of hydraulic oil.Because described hydraulic fluid port is divided into quick hydraulic fluid port 13 and hydraulic fluid port 14 at a slow speed, is setting up oil-out 15 soon at a slow speed between the hydraulic fluid port, the adjustment valve can obtain independence, mutually noninterfere is closed the door fast so regulate, at a slow speed the effect of closing the door.When the oiler of piston motion when first of sealing adjusted valve, at this moment second adjustment valve works, and the adjustment valve is turned down, then hydraulic oil reduces from the specific discharge that chamber, a body left side flows to right chamber, the movement velocity of spring piston 2 is slack-off, thereby makes the closing velocity of door slack-off, otherwise then accelerates.

The above is a preferred embodiment of the present utility model, and under the situation that does not break away from the present utility model design, any conspicuous distortion and the replacement carried out all belong within the utility model protection domain.

Claims

1, a kind of floor spring comprises valve body (1), is provided with piston (2), connecting rod (3) and planker in the valve pocket of valve body successively, has the valve body end of piston (2) to be provided with end cap (4), has the valve body end of planker to be provided with gland (5);

Be provided with annular oil circuit between described valve body wall and the piston, this section valve body is provided with assigns the hydraulic fluid port of adjusting valve (6) and communicating with oil circuit;

Be surrounded with compression spring (7) on the described connecting rod (3);

Described planker is divided into planker (81,82) up and down, and the front end both sides between upper and lower planker (81,82) are provided with locating wheel (9);

The one-sided wheel shaft core (10) that runs through valve body wall and link to each other with door-hinge is socketed in up and down on the planker (81,82), it is characterized in that: be socketed with on the described wheel shaft core between planker up and down can make door-hinge rotate 90 location when spending two to cam (111); Be socketed with on the wheel shaft core in last planker (81) outside and can make door-hinge rotate 130 degree back random positioned multidirectional cams (112); Described multidirectional cam (112) is longer to cam (111) than two, but width is identical.

2, floor spring according to claim 1 is characterized in that: described two are cattail leaf fan shape to cam (111), and the both sides, top of cattail leaf fan are provided with concave surface (12).

3, floor spring according to claim 1 is characterized in that: described multidirectional cam (112) is peach shape, and the body of peach shape is thicker than peach point.

4, according to each described floor spring in the claim 1～3, it is characterized in that: described hydraulic fluid port is divided into quick hydraulic fluid port (13) and hydraulic fluid port (14) at a slow speed, is setting up oil-out (15) soon at a slow speed between the hydraulic fluid port.

5, floor spring according to claim 4 is characterized in that: be provided with bearing (16) between described planker (82) down and the valve interior wall.