CN209384858U - Double vertical floor springs of torsion - Google Patents

Abstract

The utility model relates to door and window hardware fields, more particularly to a kind of vertical floor spring of double torsion, including support arm, housing is equipped with by bearing holder (housing, cover) on the outside of support arm upper end, support arm upper end coaxial line is connected with upward connecting shaft, it connects outer shaft sleeve and housing is housed, torque spring is provided between housing and connecting shaft, connecting shaft upper end is provided with upward lubricating cup, lower end position screw thread is provided with rotary-piston inside lubricating cup, being coaxially set in rotary-piston has splined hole, splined hole interior lower end is provided with check valve, spindle hole is provided on check valve, upward splined shaft is coated in splined hole, being coaxially set inside splined shaft has spindle, spindle and spindle hole face, sealing shroud is provided between splined hole upper end and splined shaft, hydraulic oil is provided in lubricating cup on the downside of sealing shroud, spindle upper end is provided with height adjuster, side Just torsion and reset speed, job stability height, long service life are adjusted.

Description

Double vertical floor springs of torsion

Technical field

The utility model relates to door and window hardware field more particularly to a kind of vertical floor springs of double torsion.

Background technique

Floor spring can be used for the door of bidirectional opening, and door closer is then only used for the door unidirectionally opened.The skill of floor spring Art key is the bearing base of main shaft lower part, it decides the load-bearing grade of floor spring.

Existing product belongs to indirect driving, and it is low to do power conversion efficiency, and power loss is big, and bearing capacity is small, and existing product closes power Same channel is embodied as with close speed, when closing, since oil circuit influences, so that door leaf can be waved in some position, And then influence door closing speed；And existing product adjustment is inconvenient.

Utility model content

The purpose of the utility model is to overcome deficiencies in the prior art, provide a kind of facilitate and adjust torsion and reset fast Degree, job stability height, double vertical floor springs of torsion with long service life.

The utility model is achieved through the following technical solutions: a kind of double vertical floor springs of torsion, including support arm, institute It states on the outside of support arm upper end through bearing holder (housing, cover) equipped with housing, support arm upper end coaxial line is connected with upward connecting shaft, institute Connection outer shaft sleeve to be stated equipped with housing, is provided with torque spring between the housing and connecting shaft, the torque spring has two, and two Torsion adjustment ring is set between root torque spring, and the torque spring, torsion adjustment ring are sleeved on outside connecting shaft, the torsion Spring first end is fixed with connecting shaft, second end and torsion adjustment ring are fixed, described to put on position corresponding with torsion adjustment ring outside The place of setting is provided with torsion adjustment opening, and torsion adjustment finger, institute are provided between the torsion adjustment ring and torsion adjustment opening It states connecting shaft upper end and is provided with upward lubricating cup, close lower end position screw thread is provided with rotary-piston inside the lubricating cup, described Being coaxially set in rotary-piston has splined hole, and the splined hole interior lower end is provided with check valve, is arranged on the check valve There is spindle hole, the spindle hole extends to check valve upper and lower end faces, and upward splined shaft is coated in the splined hole, described Fixed between splined shaft and housing, being coaxially set inside the splined shaft has spindle, and the spindle and spindle hole face are described It is provided with sealing shroud between splined hole upper end and splined shaft, hydraulic oil, the oil are provided in the lubricating cup on the downside of the sealing shroud Needle upper end is provided with height adjuster.

Further, the bearing includes the upward thrust bearing for being sleeved on support arm upper end, under the thrust bearing It is set with ball bearing on the support arm of side, outside framework oil seal, thrust bearing and ball are set on the support arm on the downside of the ball bearing Lubricating oil is filled in cavity between bearing.

Further, the connecting shaft upper and lower ends are respectively and fixedly provided with spring attachment base, and the torque spring passes through corresponding Spring attachment base is fixed with connecting shaft.

Further, there are two the torsion adjustment rings, two torsion adjustment rings are fixed with corresponding torque spring respectively, and two 6-12 torsion adjustment pulling hole, the hand of spiral phase of two torque springs are circumferentially evenly arranged on torsion adjustment ring outer wall Instead.

Further, the connecting shaft upper end is provided with upward oil cup seat, and the oil cup seat upper end is set as prism-shaped, The lubricating cup lower end is provided with the connection to match with oil cup seat and is open.

Further, lower end position is provided with inside bulge loop inside the lubricating cup, is arranged on the bulge loop inner wall There is screw thread, is located on the upside of bulge loop on the rotary-piston and is provided with outside rotary-piston sealing ring.

Further, the splined shaft upper end is coaxially connected with cylindrical mounting base, and the sealing shroud is sleeved on mounting base Outside, the mounting base upper end is provided with the connection ring for being connected to housing, fixed between the connection ring outer wall and housing, institute It states and is provided with thrust ball bearing between connection ring and sealing shroud, the height adjuster is passed down through mounting base and spindle connects It connects.

Further, the splined shaft upper end, which is coaxially set, rotation adjustment shaft mounting hole, the height adjuster Axis is adjusted including the rotation that screw thread is installed in rotation adjustment shaft mounting hole, rotation adjustment axis upper end extends to outside splined shaft It is connected with driven thumb wheel, rotation adjustment axis lower end is coaxially set and has downward spindle seat mounting hole, the spindle seat peace Downward spindle seat is provided in dress hole, the spindle is installed on spindle seat lower end, is provided on the upside of the splined shaft for dialling The adjustment driving device of driven thumb wheel rotation is moved, the rotation adjustment outer shaft sleeve is equipped with sealing ring.

Further, the adjustment driving device includes the adjusting set and adjustment axis being arranged in housing, the adjusting set With adjustment axis coaxial line, the adjustment axis inner end is installed in adjusting set, is provided between the adjustment axis inner end and adjusting set Reset spring, the adjusting set and adjustment axis outer end pass through protrusion and install on the coat, and driving is set in the adjustment axis Thumb wheel, under normality, reset spring pushes adjustment axis to make that thumb wheel is driven to separate with driven thumb wheel, and adjustment axis outer end coaxial line is set It is equipped with adjustment hole.

The utility model has the beneficial effects that: two torque springs of setting and torsion adjustment ring, can be avoided torsion bullet Spring itself torsion is uneven, improves service life, while can guarantee that enabling dynamics is controllable, raising applicability, setting check valve, Spindle, spindle height adjuster can make the hydraulic oil at rotary-piston upper and lower end face during shutter door with difference Speed exchange, make to close that speed is controllable, and job stability is high, easy to adjust；Thrust bearing and ball bearing, lubricating oil are set, It can guarantee between housing and support arm that job stability is high, while improve and doing that power conversion efficiency is low, reduces power damage, improves load-bearing Ability.

Detailed description of the invention

Fig. 1 is 1 main view sectional view schematic diagram of embodiment；

Fig. 2 is support arm and housing main view sectional view schematic diagram；

Fig. 3 is lubricating cup and height adjuster main view sectional view schematic diagram；

Wherein: 1- support arm, 2- housing, 3- thrust bearing, 4- connecting shaft, 5- spring attachment base, 6- straight pin, 7- torsion Spring, 8- torsion adjust ring, and 9- torsion adjusts finger, 10- oil cup seat, 11- lubricating cup, 12- rotary-piston, 13- check valve, 14- Splined shaft, 15- mounting base, 16- sealing shroud, 17- spindle, 18- rotation adjustment axis, 19- adjust axis, 20- adjusting sleeve, and 21- resets Spring, 22- end cap, 23- housing, 24- ball bearing, 25- outside framework oil seal, 26- spool, 27- bulge loop, 28- spindle seat, 29- are driven Thumb wheel, 30- drive thumb wheel, 31- connection ring.

Specific embodiment

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.

Below in conjunction with the attached drawing in utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work The every other embodiment obtained, fall within the protection scope of the utility model.

Embodiment 1

As shown in Figure 1-3, a kind of vertical floor spring of double torsion, including support arm 1, support arm upper end outside pass through bearing holder (housing, cover) Equipped with housing 2, bearing includes the upward thrust bearing 3 for being sleeved on support arm upper end, is covered on the support arm on the downside of thrust bearing Equipped with ball bearing 24, outside framework oil seal 25, the cavity between thrust bearing and ball bearing are set on the support arm on the downside of ball bearing Interior to be filled with lubricating oil, support arm upper end coaxial line connects outer shaft sleeve and housing 23 is housed integrally formed with upward connecting shaft 4, Torque spring 7 is installed, torque spring there are two, installs torsion adjustment ring between two torque springs between housing and connecting shaft 8, torque spring, torsion adjustment ring are sleeved on outside connecting shaft, and connecting shaft upper and lower ends pass through straight pin 6 and are fixed with spring company Joint chair 5, torque spring are fixed by corresponding spring attachment base with connecting shaft, torque spring first end by spring attachment base with Connecting shaft is fixed, second end and torsion adjustment ring are fixed, and puts on be machined with torsion tune at torsion adjustment ring opposite position outside Whole opening is equipped with torsion adjustment finger 9 between torsion adjustment ring and torsion adjustment opening, there are two torsion adjustment rings, and two turn round Power adjustment ring is fixed with corresponding torque spring respectively, is circumferentially uniformly machined with 10 torsion on two torsion adjustment ring outer walls Pulling hole is adjusted, torsion adjustment finger is inserted into torsion adjustment pulling hole and compresses with torsion adjustment opening sidewalls, two torque springs The hand of spiral it is opposite.

4 upper end of connecting shaft is equipped with upward lubricating cup 11, and close lower end position screw thread is equipped with rotary-piston inside lubricating cup 12, coaxial line is machined with splined hole in rotary-piston, and splined hole interior lower end is sealed and installed with check valve 13, processes on check valve There is spindle hole, spindle hole extends to check valve upper and lower end faces, and spindle hole is parallel with the spool 26 of check valve, specifically, connection Axis upper end is equipped with upward oil cup seat 10 by pin shaft, and oil cup seat upper end is processed as prism-shaped, and lubricating cup lower end is machined with and oil Connection that cup holder matches opening, close to lower end position integrally formed with inside bulge loop 27 inside lubricating cup, on bulge loop inner wall plus Work has screw thread, is located on the upside of bulge loop on rotary-piston and is equipped with outside rotary-piston sealing ring, is coated in splined hole upwards Splined shaft 14, fixed between splined shaft and housing, coaxial line is coated with spindle 17 inside splined shaft, and spindle and spindle hole are just It is right, hydraulic oil is injected in the lubricating cup on the downside of sealing shroud, spindle upper end is connected with height adjuster, specifically, on splined shaft End is equipped with sealing shroud 16, sealing shroud 16 coaxially integrally formed with cylindrical mounting base 15 between splined hole upper end and splined shaft It is sleeved on outside mounting base, mounting base upper end is integrally formed with the connection ring 31 for being connected to housing, connection ring outer wall and housing Between fixed by the pin being evenly distributed on sustained height circumference, thrust ball axis is installed between connection ring and sealing shroud It holds, spindle upper end is connected with height adjuster, and height adjuster is passed down through mounting base and connect with spindle, specifically, flower Key axis upper end coaxial line is machined with rotation adjustment shaft mounting hole, and height adjuster includes that screw thread is installed on rotation adjustment axis installation Rotation in hole adjusts axis 18, and the length of screw thread is 2mm, screw pitch 0.5mm herein, and rotation adjustment axis upper end extends to splined shaft It is externally connected with driven thumb wheel 29, rotation adjustment axis lower end coaxial line is equipped with downward spindle seat mounting hole, spindle seat mounting hole Downward spindle seat 28 is inside installed, spindle is installed on spindle seat lower end, is equipped on the upside of splined shaft for stirring driven thumb wheel The adjustment driving device of rotation, adjustment driving device includes the adjusting set 20 and adjustment axis 19 being mounted in housing, adjusting set with Adjustment axis coaxial line, adjustment axis inner end are installed in adjusting set, and reset spring 21 is equipped between adjustment axis inner end and adjusting set, Adjusting set and adjustment axis outer end pass through protrusion and install on the coat, are set in adjustment axis and drive thumb wheel 30, under normality, reset Spring pushes adjustment axis to make that thumb wheel is driven to separate with driven thumb wheel, and adjustment axis outer end coaxial line is machined with adjustment hole, rotation adjustment Outer shaft sleeve is equipped with sealing ring.

Outer set upper side is equipped with end cap 22.

Vertically spring works principle is as follows for double torsion provided in this embodiment, and hexagonal prisms are processed into support arm lower end Type is fixed with doorframe, and housing and door are fixed, and is adjusted pulling hole by torsion and is stirred torque spring rotation, adjusts initial elasticity value, Then adjustment axis is pressed inward against by adjustment hole, makes that thumb wheel is driven to engage with driven thumb wheel, rotary dial thumb wheel makes spindle liter Drop, and then speed excessively oily from spindle hole is adjusted, realize the adjustment for closing speed, during enabling, door body drives outer Set, housing, splined shaft, rotary-piston and height adjuster rotation, occur to be displaced to axial between rotary-piston and lubricating cup, Hydraulic oil quickly moves to cavity on the downside of check valve from cavity on the upside of check valve by the spool of check valve, opens the door and completes, closes door When, inner elements of check valve is closed, and hydraulic oil is by the gap between spindle hole and spindle slowly uniformly from cavity fortune on the downside of check valve Cavity on the upside of check valve is moved, a completion is closed.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (9)

1. a kind of vertical floor spring of double torsion, it is characterised in that: including support arm, pass through bearing holder (housing, cover) on the outside of the support arm upper end Equipped with housing, support arm upper end coaxial line is connected with upward connecting shaft, and the connection outer shaft sleeve is equipped with housing, described outer Torque spring is provided between set and connecting shaft, the torque spring there are two, and setting torsion adjusts between two torque springs Ring, the torque spring, torsion adjustment ring are sleeved on outside connecting shaft, and the torque spring first end and connecting shaft fix, the Two ends are fixed with torsion adjustment ring, it is described it is outer put on and be provided with torsion adjustment at torsion adjustment ring opposite position be open, institute It states and is provided with torsion adjustment finger between torsion adjustment ring and torsion adjustment opening, the connecting shaft upper end is provided with upward oil Cup, the lubricating cup inside are provided with rotary-piston close to lower end position screw thread, and being coaxially set in the rotary-piston has spline Hole, the splined hole interior lower end are provided with check valve, and spindle hole is provided on the check valve, and the spindle hole extends to list To valve upper and lower end faces, upward splined shaft is coated in the splined hole, fixed between the splined shaft and housing, the flower Being coaxially set inside key axis has spindle, and the spindle and spindle hole face are arranged between the splined hole upper end and splined shaft There is sealing shroud, hydraulic oil is provided in the lubricating cup on the downside of the sealing shroud, the spindle upper end is provided with height adjuster.

2. the vertical floor spring of double torsion according to claim 1, it is characterised in that: the bearing includes being sleeved on support arm The upward thrust bearing of upper end, is set with ball bearing on the support arm on the downside of the thrust bearing, on the downside of the ball bearing It is set with outside framework oil seal on support arm, lubricating oil is filled in the cavity between thrust bearing and ball bearing.

3. the vertical floor spring of double torsion according to claim 1, it is characterised in that: the connecting shaft upper and lower ends are fixed There is spring attachment base, the torque spring is fixed by corresponding spring attachment base with connecting shaft.

4. the vertical floor spring of double torsion according to claim 1, it is characterised in that: there are two the torsion adjustment rings, and two Torsion adjustment ring is fixed with corresponding torque spring respectively, and 6-12 are circumferentially evenly arranged on two torsion adjustment ring outer walls Torsion adjusts pulling hole, and the hand of spiral of two torque springs is opposite.

5. the vertical floor spring of double torsion according to claim 1, it is characterised in that: the connecting shaft upper end is provided with upwards Oil cup seat, the oil cup seat upper end is set as prism-shaped, and the lubricating cup lower end is provided with the connection to match with oil cup seat and opens Mouthful.

6. the vertical floor spring of double torsion according to claim 1, it is characterised in that: close to lower end position inside the lubricating cup Be provided with inside bulge loop, be provided with screw thread on the bulge loop inner wall, be located on the upside of bulge loop on the rotary-piston be provided with to Outer rotary-piston sealing ring.

7. the vertical floor spring of double torsion according to claim 1, it is characterised in that: the splined shaft upper end is coaxially connected with Cylindrical mounting base, the sealing shroud are sleeved on outside mounting base, and the mounting base upper end is provided with the company for being connected to housing Ring is connect, it is fixed between the connection ring outer wall and housing, thrust ball bearing is provided between the connection ring and sealing shroud, it is described Height adjuster is passed down through mounting base and connect with spindle.

8. the vertical floor spring of double torsion according to claim 1, it is characterised in that: the splined shaft upper end is coaxially set There is rotation adjustment shaft mounting hole, the height adjuster includes the rotation adjustment that screw thread is installed in rotation adjustment shaft mounting hole Axis, rotation adjustment axis upper end extend to splined shaft and are externally connected with driven thumb wheel, and the rotation adjustment axis lower end coaxial line is set It is equipped with downward spindle seat mounting hole, is provided with downward spindle seat in the spindle seat mounting hole, the spindle is installed on oil Needle stand lower end, the splined shaft upside are provided with the adjustment driving device for stirring driven thumb wheel rotation, the rotation adjustment Outer shaft sleeve is equipped with sealing ring.

9. the vertical floor spring of double torsion according to claim 8, it is characterised in that: the adjustment driving device includes setting Adjusting set and adjustment axis in housing, the adjusting set and adjustment axis coaxial line, the adjustment axis inner end is installed on adjusting set It is interior, reset spring is provided between the adjustment axis inner end and adjusting set, the adjusting set and adjustment axis outer end pass through protrusion Install on the coat, be set with driving thumb wheel in the adjustment axis, under normality, reset spring push adjustment axis make to drive thumb wheel with Driven thumb wheel separation, the adjustment axis outer end is coaxially set and has adjustment hole.