CN208185322U - A kind of spring assembly and door - Google Patents

A kind of spring assembly and door Download PDF

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Publication number
CN208185322U
CN208185322U CN201820768364.8U CN201820768364U CN208185322U CN 208185322 U CN208185322 U CN 208185322U CN 201820768364 U CN201820768364 U CN 201820768364U CN 208185322 U CN208185322 U CN 208185322U
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Prior art keywords
driving shaft
spring assembly
transmission arm
cam
spring
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CN201820768364.8U
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Chinese (zh)
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杨华富
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Abstract

The utility model relates to machinery fields, in particular to a kind of spring assembly and door.Spring assembly includes driving shaft, transmission arm, gas spring, cam, three idler wheels with cam engagement;Driving shaft is connect with cam drive, and one end of transmission arm is sheathed on driving shaft, and three idler wheels are connect with transmission arm, and two idler wheels are arranged at intervals at one end of cam, another idler wheel is set to the other end of cam;One end of gas spring is abutted with driving shaft, and the other end is abutted with transmission arm far from one end of driving shaft.Transmission arm moves in the case where the rotation of cam, and gas spring is compressed or is stretched under the action of transmission arm;Spring assembly is smaller to the loss of gas spring in use, increases its service life, and spring assembly stretches and will not generate abnormal sound during compressing.It can be adjusted according to the needs the speed of gas spring contraction.Further adjust the speed that the door connecting with spring assembly is closed or opens.

Description

A kind of spring assembly and door
Technical field
The utility model relates to machinery fields, in particular to a kind of spring assembly and door.
Background technique
In the prior art, mechanical spring is easy to produce fatigue, and spring cannot be reset under free state in time;In addition, existing Have in technology, the door switched by the elastic force of mechanical spring is easy to happen abnormal sound in the process of running and door closes not in place show As.
Utility model content
The purpose of this utility model is to provide a kind of spring assembly and door, it is intended to improve existing mechanical spring and is easy Fatigue, the problem of cannot restoring to free state.
The utility model provides a kind of technical solution:
A kind of spring assembly, spring assembly include driving shaft, transmission arm, gas spring, cam, three rollings with cam engagement Wheel;
Driving shaft is connect with cam drive, and one end of transmission arm is sheathed on driving shaft, and three idler wheels are connect with transmission arm, Two idler wheels are arranged at intervals at one end of cam, another idler wheel is set to the other end of cam;One end of gas spring and active Axis abuts, and the other end is abutted with transmission arm far from one end of driving shaft.
In the other embodiments of the utility model, above-mentioned gas spring includes:
The cylinder body abutted with driving shaft, cylinder body are provided with the oil pocket at floating piston interval, air cavity;
The piston component abutted with transmission arm, piston component include mutually matched piston rod, piston, protrude into piston rod and The thimble being slidably connected with piston rod, piston are set in oil pocket, and piston is provided with oil guide hole;Thimble is matched with oil guide hole It closes;
Regulating part, regulating part are slidably connected with piston rod and abut with thimble;It is logical that regulating part can adjust Oil Guide by thimble The size in hole.
In the other embodiments of the utility model, above-mentioned thimble includes the mandril and needle mutually abutted, needle with lead Oil hole cooperation, needle are slidably connected by deflector apron and piston rod.
In the other embodiments of the utility model, above-mentioned needle is additionally provided with elastic component close to the side of oil guide hole, Elastic component one end is abutted with deflector apron.
In the other embodiments of the utility model, above-mentioned regulating part is screw, and screw is connect with piston rod thread.
In the other embodiments of the utility model, above-mentioned spring assembly further includes support base, and driving shaft passes through transmission arm It is rotatablely connected with support base, gas spring is abutted with support base.
In the other embodiments of the utility model, above-mentioned driving shaft and support base are rotatablely connected by two bearings, and two A bearing is axially arranged along driving shaft.
In the other embodiments of the utility model, finite place piece, limit is arranged far from one end of driving shaft in above-mentioned transmission arm Position part is connect with gas spring.
In the other embodiments of the utility model, above-mentioned rollers and transmission arm are riveted.
The utility model also provides a kind of technical solution:
A kind of door, door include above-mentioned spring assembly.
The beneficial effect of spring assembly and door provided by the embodiment of the utility model is:
Transmission arm moves in the case where the rotation of cam, and gas spring is compressed or drawn under the action of transmission arm It stretches;Spring assembly is smaller to the loss of gas spring in use, increases its service life, and spring assembly stretches and compression Abnormal sound will not be generated in the process.
Regulating part adjusts the size of oil guide hole by thimble, so that section flow when oil stream is dynamic in oil pocket is adjusted, from And the flow velocity of oil is adjusted, it does work in identical situation to gas spring, gas spring is shunk or the speed of elongation is conditioned.To The speed that gas spring is shunk is adjusted as needed.Further adjust the speed that the door connecting with spring assembly is closed or opens Degree.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 shows the structural schematic diagram of 100 first state of spring assembly provided by the embodiment of the utility model;
Fig. 2 shows the schematic diagram of internal structures of spring assembly 100 provided by the embodiment of the utility model;
Fig. 3 shows the structural schematic diagram of 100 second state of spring assembly provided by the embodiment of the utility model;
Fig. 4 shows the schematic diagram of internal structure of gas spring 130 provided by the embodiment of the utility model;
Fig. 5 shows V in Fig. 4 enlarged drawing.
Icon: 100- spring assembly;110- driving shaft;120- transmission arm;121- locating part;130- gas spring;131- is living Plug;132- oil guide hole;133- dust cover;140- cam;150- idler wheel;160- support base;161- bearing;170- cylinder body; 171- oil pocket;172- air cavity;173- floating piston;174- guide sleeve;175- oil sealing;180- piston component;181- piston rod; 182- thimble;183- mandril;184- needle;185- deflector apron;186- elastic component;190- regulating part.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the utility model embodiment, it is to be understood that term " center ", "upper", "lower", " left side ", The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "inner", "outside" is orientation based on the figure or position The relationship utility model product using when the orientation or positional relationship usually put or those skilled in the art The orientation or positional relationship usually understood, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark Show that signified equipment or element must have a particular orientation, is constructed and operated in a specific orientation, therefore should not be understood as pair The limitation of the utility model.
In the description of the utility model embodiment, it is also necessary to which explanation is unless specifically defined or limited otherwise, art Language " setting ", " installation ", " 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 directly connected, the company inside two elements can also be can be indirectly connected through an intermediary It is logical.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition Meaning.
Embodiment
Fig. 1 shows the structural schematic diagram of 100 first state of spring assembly provided by the embodiment of the utility model;Fig. 2 shows The schematic diagram of internal structure of spring assembly 100 provided by the embodiment of the utility model is gone out.Please refer to Fig. 1 and Fig. 2, the present embodiment A kind of spring assembly 100 is provided, in the present embodiment, spring assembly 100 is installed at a position for lower section threshold, controls door It is on and off, it should be noted that in the other embodiments of the utility model, spring assembly 100 also be can be applied to Other field or other equipment, for example, spring assembly 100 is applied to window etc., other need to control setting for opening and closing and angle It is standby.
Detailed, in the present embodiment, spring assembly 100 includes driving shaft 110, transmission arm 120, gas spring 130, cam 140, three idler wheels 150 cooperated with cam 140;
Driving shaft 110 and cam 140 are sequentially connected, and one end of transmission arm 120 is sheathed on driving shaft 110, three idler wheels 150 It is connect with transmission arm 120, two idler wheels 150 are arranged at intervals at one end of cam 140, another idler wheel 150 is set to cam 140 other end;One end of gas spring 130 is abutted with driving shaft 110, the other end and transmission arm 120 far from driving shaft 110 one End abuts.
In detail, three idler wheels 150 are spaced apart around cam 140;In the present embodiment, driving shaft 110 and door Connection, push door when, driving shaft 110 rotate.One end of transmission arm 120 is sheathed on driving shaft 110, and transmission arm 120 can be opposite Driving shaft 110 is mobile.
Driving shaft 110 rotates, and band moving cam 140 rotates, and cam 140 and three idler wheels 150 cooperate, and the one of transmission arm 120 End cap is set to driving shaft 110, and three idler wheels 150 are connect with transmission arm 120;Therefore, rotation of the transmission arm 120 in cam 140 In the case where move left and right, gas spring 130 is compressed or is stretched under the action of transmission arm 120;Spring assembly 100 makes It is smaller with the loss in the process to gas spring 130, increase its service life, during spring assembly 100 is stretched and compressed Abnormal sound will not be generated.
In detail, in the present embodiment, three idler wheels 150 and transmission arm 120 pass through rivet interlacement;It is understood that In the other embodiments of the utility model, idler wheel 150 can also be attached with transmission arm 120 by other connectors.
Referring to Fig. 2, in the present embodiment, spring assembly 100 further includes support base 160, and driving shaft 110, which passes through, to be passed Swing arm 120 and support base 160 are rotatablely connected, and gas spring 130 is abutted with support base 160.In the present embodiment, gas spring 130 with Support base 160 is fixedly connected.
In the present embodiment, driving shaft 110 is rotatablely connected with support base 160 by bearing 161, further, driving shaft 110 are rotatablely connected with support base 160 by two bearings 161, and two bearings 161 are along the axial arrangement of driving shaft 110.Two bearings 161 arrange along short transverse, and two bearings 161 can increase the maximum power that can be born, and avoid a quality too big and lead to axis Hold the damage of 161 Yu support base 160.
Further, in the present embodiment, finite place piece 121, limit is arranged far from one end of driving shaft 110 in transmission arm 120 Position part 121 is connect with gas spring 130.Transmission arm 120, which moves left and right, to be made, by locating part 121 by power be transferred to gas spring 130 with Compress gas spring 130.
In the present embodiment, locating part 121 is limit spring, in other embodiments, locating part 121 or and biography The plate etc. that swing arm 120 connects.
Fig. 3 shows the structural schematic diagram of 100 second state of spring assembly provided by the embodiment of the utility model;It please refers to Fig. 3 and Fig. 1.
In the present embodiment, first state shown in Fig. 1 is the state that door is closed, and gas spring 130 is elongated, and pushes it Afterwards, driving shaft 110 is rotated under the action of door, and band moving cam 140 rotates, and cam 140 and three idler wheels 150 cooperate, transmission Arm 120 moves right, and gas spring 130 is compressed;When the aperture of door is less than 90 °, after withdrawing external force, transmission arm 120 is in gas spring It is resetted under the action of 130, band moving cam 140 and driving shaft 110 rotate, and door is automatically closed.
Second state shown in Fig. 3 is the state that an aperture is 90 °, when the aperture of door is 90 °, after withdrawing external force, and gas Spring 130 is not to 120 applied force of transmission arm, and door keeps 90 ° of aperture, and lesser power just can be such that door is closed at closing time.Door Aperture be greater than 90 ° when, after withdrawing external force, transmission arm 120 moves under the action of gas spring 130, band moving cam 140 and actively Axis 110 rotates, and door turns to 90 ° of aperture.
State shown in Fig. 3 is state of the door to inverse time needle open, it is to be understood that when door is to up time needle open Also similarly, the present embodiment will no longer repeat it state.
It is understood that in the other embodiments of the utility model, the compression of gas spring 130, elongation and door are opened It closes or the aperture of door may be set to be other structures, the utility model does not limit it as any one above-mentioned mode.
In the present embodiment, it in order to which the speed for making the opening and closing of door can be adjusted to adapt to different demands, pushes away Under the same conditions, the speed of stretching or the compression of gas spring 130 provided in this embodiment can be adjusted door dynamics.
The structure and connection relationship of gas spring provided by the embodiment of the utility model 130 introduced below.
Fig. 4 shows the schematic diagram of internal structure of gas spring 130 provided by the embodiment of the utility model.Please refer to Fig. 4.
Gas spring 130 includes connecting with cylinder body 170, piston component 180, regulating part 190, cylinder body 170 with support base 160, Piston component 180 is connect with locating part 121.
Piston component 180 is slidably connected with cylinder body 170, the fluid in 180 compression cylinder 170 of piston component.Regulating part 190 It is connect with piston component 180.
Fig. 5 shows V in Fig. 4 enlarged drawing.Please refer to Fig. 5.
Further, piston component 180 includes piston rod 181, piston 131, thimble 182, piston rod 181 and piston 131 It is cooperatively connected, thimble 182 protrudes into piston rod 181, and thimble 182 is slidably connected with piston rod 181.Piston 131, which is provided with, leads Oil hole 132, thimble 182 and oil guide hole 132 cooperate.
Regulating part 190 is slidably connected with piston rod 181 and abuts with thimble 182.190 opposing pistons bar 181 of regulating part is sliding It is dynamic, it is mobile to support thimble 182.
Piston rod 181 is connect with locating part 121, and regulating part 190 is protruded into piston rod 181 by locating part 121 and thimble 182 abut.
Cylinder body 170 is provided with oil pocket 171, air cavity 172, and oil pocket 171 is spaced with air cavity 172 by floating piston 173;Piston 131 are set in oil pocket 171, and the piston 131 in oil pocket 171 is provided with oil guide hole 132, and thimble 182 is far from regulating part 190 One end and oil guide hole 132 cooperate, and regulating part 190 can adjust the size of oil guide hole 132 by thimble 182.
In detail, regulating part 190 adjusts the size of oil guide hole 132 by thimble 182, to adjust oily in oil pocket 171 Section flow when flowing does work in identical situation to adjust the flow velocity of oil to gas spring 130, and gas spring 130 is shunk Or the speed of elongation is conditioned.To adjust the speed that gas spring 130 is shunk as needed.Further adjust door be closed or The speed that person opens.
In the present embodiment, cylinder body 170 further includes guide sleeve 174 close to one end of piston rod 181, and guide sleeve 174 is arranged In outside piston rod 181.During the movement of 181 opposing cylinder 170 of piston rod, guide sleeve 174 has the function of guiding.
Further, oil sealing 175 is additionally provided between guide sleeve 174 and piston 131.
Thimble 182 is slidably connected with piston rod 181, and thimble 182 and the cooperation of piston 131 are set to piston 131 to adjust Oil guide hole 132 aperture.
In order to reduce the production cost of thimble 182, in the present embodiment, thimble 182 is arranged to the mandril mutually abutted 183, needle 184, needle 184 and oil guide hole 132 cooperate, and needle 184 is connected by deflector apron 185 and the sliding of piston rod 181 It connects.Regulating part 190 supports mandril 183, and mandril 183 supports needle 184.
Needle 184 and oil guide hole 132 cooperate, and needle 184 needs smooth treatment, and the demand to mandril 183 is lower than needle 184, cost when production can be saved.184 opposing pistons bar 181 of needle is mobile to be cooperated with oil guide hole 132 to adjust Oil Guide The size of through-hole 132, deflector apron 185 are oriented to the movement of needle 184.
Further, in the present embodiment, when no longer supporting mandril 183 in order to avoid regulating part 190, in oil pocket 171 Effect lower push rod 183 is removed out of piston rod 181 with needle 184.In the present embodiment, needle 184 is close to oil guide hole 132 Side is additionally provided with elastic component 186, and 186 one end of elastic component is abutted with deflector apron 185.Elastic component 186 is connect with needle 184 , and elastic component 186 is abutted with deflector apron 185.
From the above, when regulating part 190 no longer supports mandril 183, the active force of oil pocket 171 makes needle 184 to separate The direction of oil pocket 171 is mobile, and elastic component 186 avoids needle 184 from moving out of piston rod 181 under the supporting of deflector apron 185 Out.
In the present embodiment, above-mentioned elastic component 186 is spring, it is to be understood that in other implementations of the utility model In example, above-mentioned elastic component 186 or rubber bodies or other elastomers etc..
In the present embodiment, gas spring 130 further includes dust cover 133, and 133 one end of dust cover is connect with piston rod 181, separately One end is connect with cylinder body 170.
In detail, one end of dust cover 133 is connect with the outer wall of piston rod 181, and the other end is abutted with cylinder body 170.
In the present embodiment, dust cover 133 is connect by nut and retaining ring (not marking in figure) with piston rod 181, nut The inner and outer wall of dust cover 133 is respectively arranged at retaining ring.
It is understood that dust cover 133 can also pass through other connection sides in the other embodiments of the utility model Formula is connect with piston rod 181, such as welding etc..
In the present embodiment, regulating part 190 is to adjust screw, adjusts screw and is threadedly coupled with piston rod 181, adjusts screw One end protrude into piston rod 181, by tighten adjust screw free end, thus adjust adjust screw protrude into piston rod 181 Interior length, so that mandril 183 and the movement of needle 184 are supported, to adjust the size of oil guide hole 132.Further adjust phase With the movement speed of gas spring 130 under stress condition.
It is understood that gas spring 130 can also be using in the prior art in the other embodiments of the utility model Gas spring 130.
The major advantage of spring assembly 100 provided by the embodiment of the utility model is:
Driving shaft 110 rotates, and band moving cam 140 rotates, and cam 140 and three idler wheels 150 cooperate, and the one of transmission arm 120 End cap is set to driving shaft 110, and three idler wheels 150 are connect with transmission arm 120;Therefore, rotation of the transmission arm 120 in cam 140 In the case where move left and right, gas spring 130 is compressed or is stretched under the action of transmission arm 120;Spring assembly 100 makes It is smaller with the loss in the process to gas spring 130, increase its service life, during spring assembly 100 is stretched and compressed Abnormal sound will not be generated.
Regulating part 190 adjusts the size of oil guide hole 132 by thimble 182, to adjust when oil stream is dynamic in oil pocket 171 Section flow does work in identical situation to adjust the flow velocity of oil to gas spring 130, and gas spring 130 is shunk or elongation Speed be conditioned.To adjust the speed that gas spring 130 is shunk as needed.It further adjusts and is connect with spring assembly 100 The door speed that is closed or opens.
The utility model also provides a kind of door, and door includes above-mentioned spring assembly 100, and further, door includes door leaf, door Fan is connect with driving shaft 110.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of spring assembly, which is characterized in that the spring assembly includes driving shaft, transmission arm, gas spring, cam and institute State three idler wheels of cam engagement;
The driving shaft is connect with the cam drive, and one end of the transmission arm is sheathed on the driving shaft, three rollings Wheel is connect with the transmission arm, and two idler wheels are arranged at intervals at one end of the cam, another described idler wheel setting In the other end of the cam;One end of the gas spring is abutted with the driving shaft, and the other end and the transmission arm are far from institute The one end for stating driving shaft abuts.
2. spring assembly according to claim 1, which is characterized in that the gas spring includes:
The cylinder body abutted with the driving shaft, the cylinder body are provided with the oil pocket at floating piston interval, air cavity;
The piston component abutted with the transmission arm, the piston component include mutually matched piston rod, piston, are protruded into described Piston rod and the thimble being slidably connected with the piston rod, the piston are set in the oil pocket, and the piston, which is provided with, leads Oil hole;The thimble and the oil guide hole cooperate;
Regulating part, the regulating part are slidably connected with the piston rod and abut with the thimble;The regulating part can pass through institute State the size that thimble adjusts the oil guide hole.
3. spring assembly according to claim 2, which is characterized in that the thimble includes the mandril and valve mutually abutted Needle, the needle and the oil guide hole cooperate, and the needle is slidably connected by deflector apron and the piston rod.
4. spring assembly according to claim 3, which is characterized in that the needle close to the side of the oil guide hole also It is provided with elastic component, described elastic component one end is abutted with the deflector apron.
5. spring assembly according to claim 2, which is characterized in that the regulating part be screw, the screw with it is described Piston rod thread connection.
6. spring assembly according to claim 1, which is characterized in that the spring assembly further includes support base, the master Moving axis passes through the transmission arm and the support base is rotatablely connected, and the gas spring is abutted with the support base.
7. spring assembly according to claim 6, which is characterized in that the driving shaft and the support base pass through two axis Rotation connection is held, two bearings are axially arranged along the driving shaft.
8. spring assembly according to claim 1, which is characterized in that the transmission arm is set far from one end of the driving shaft It is equipped with locating part, the locating part is connect with the gas spring.
9. spring assembly according to claim 1, which is characterized in that the idler wheel and the transmission arm rivet.
10. a kind of door, which is characterized in that the door includes the described in any item spring assemblies of claim 1-9.
CN201820768364.8U 2018-05-22 2018-05-22 A kind of spring assembly and door Active CN208185322U (en)

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Application Number Priority Date Filing Date Title
CN201820768364.8U CN208185322U (en) 2018-05-22 2018-05-22 A kind of spring assembly and door

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Application Number Priority Date Filing Date Title
CN201820768364.8U CN208185322U (en) 2018-05-22 2018-05-22 A kind of spring assembly and door

Publications (1)

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CN208185322U true CN208185322U (en) 2018-12-04

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CN201820768364.8U Active CN208185322U (en) 2018-05-22 2018-05-22 A kind of spring assembly and door

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108443391A (en) * 2018-05-22 2018-08-24 杨华富 A kind of spring assembly and door

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108443391A (en) * 2018-05-22 2018-08-24 杨华富 A kind of spring assembly and door

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