CN209130098U

CN209130098U - A kind of novel spring damper and the socket covering structure containing the spring-damper

Info

Publication number: CN209130098U
Application number: CN201821810721.9U
Authority: CN
Inventors: 杨国; 黄建芳; 肖小平; 林国军
Original assignee: Shenzhen Busbar Sci Tech Development Co Ltd
Current assignee: Shenzhen Busbar Sci Tech Development Co Ltd
Priority date: 2018-11-05
Filing date: 2018-11-05
Publication date: 2019-07-19
Anticipated expiration: 2028-11-05

Abstract

A kind of socket covering structure the utility model discloses novel spring damper and containing the spring-damper, the novel spring damper includes damping frame and spring, the damping frame includes limiting plate and among one side end face of limiting plate and the extension that protrudes outward, one end of the spring is sleeved on the periphery of the extension, and the outer diameter of the spring is less than the size of the limiting plate；The axial length of the spring in the on-compressed state is greater than the length of the extension；The center of the extension is equipped with the through-hole that the damping frame is run through in front and back along axially direction.The utility model novel spring damper has the characteristics that structure is simple, at low cost, and achievees the effect that damping using spring, elastic force very little affected by environment, so its damping value is to temperature-insensitive, consistency with good performance.

Description

A kind of novel spring damper and the socket covering structure containing the spring-damper

Technical field

It is hindered the utility model relates to connector technique field more particularly to a kind of novel spring damper and containing the spring The socket covering structure of Buddhist nun's device.

Background technique

Existing damper is generally hydraulic type damper, and hydraulic type damper is made of multiple parts, and structure is complicated, at This is relatively high；And the liquid in hydraulic type damper is more sensitive to temperature, in high temperature and low temperature, damping value changes very greatly, institute Also changed very greatly with the effect of damping, the consistency of performance is bad.

Charging socket on electric car or charging pile generally includes end cap for fixing and is covered on end cap For the socket cover of sealing, one end of the two is flexibly connected, and the other end is fastened by button, automatically open for convenience socket cover with The retentivity stayed open can be arranged torsional spring between end cap and socket cover generally to realize the power automatically opened, but work as and beat After opening button, socket cover can quickly be opened in the active force of torsional spring, and socket cover stress and end cap collision issue sound, be not able to satisfy The folding requirement of sound is opened and cannot be had within specification 2~3 seconds, and is easily damaged socket cover and end cap after colliding；Therefore, it often needs Increase damper between socket cover and end cap to slow down socket cover opening speed, opens socket cover slowly without touching energetically End cap is bumped against, but structure is complicated for existing hydraulic damper, and cost is relatively high.

Utility model content

The utility model is directed to above-mentioned existing technological deficiency, provides a kind of mechanical novel spring damper, has Simple, the at low cost feature of structure, and achieve the effect that damping using spring, elastic force very little affected by environment, institute With its damping value to temperature-insensitive, consistency with good performance.

In order to solve the above-mentioned technical problem, the utility model provides a kind of novel spring damper, including damping frame and Spring, the damping frame include limiting plate and among one side end face of limiting plate and the extension that protrudes outward, institute The one end for stating spring is sleeved on the periphery of the extension, and the outer diameter of the spring is less than or equal to the ruler of the limiting plate It is very little；The axial length of the spring in the on-compressed state is greater than the length of the extension；The center of the extension is along axis To direction be equipped with front and back run through the damping frame through-hole.

Preferably, another side end face of the limiting plate is equipped with the deck of outwardly convex.

Preferably, the longitudinal cross-section of the limiting plate and extension is circle, and the outer diameter of the spring is less than or equal to The diameter of the limiting plate.

Preferably, the internal diameter of the spring is greater than the diameter of the extension.

Preferably, the spring is made of metal.

The utility model additionally provides a kind of socket covering structure, including socket cover and end cap, and one end of the end cap is set There is the first holding section, first holding section includes two fixinig plates, forms the first bayonet between two fixinig plates, described It is solid by pin shaft that one end of socket cover is equipped with the mounting portion being set in first bayonet, the fixinig plate and the mounting portion It is fixed, torsional spring is arranged on the pin shaft, the both ends of the torsional spring are connected in the socket cover and end cap respectively；It further include institute as above The novel spring damper stated, one end of the mounting portion are equipped with mounting hole, and the novel spring damper is set to the installation In hole, and the pin shaft passes through the through-hole on the novel spring damper；Far from one end of the limiting plate in the spring It is abutted with the interior sidewall surface of the mounting hole, and the spring is in compressive state.

Preferably, card slot is equipped on the inside of the fixinig plate of side corresponding with the novel spring damper, it is described novel Deck on spring-damper protrudes from the mounting hole and is sticked in the card slot.

Preferably, the mounting portion is equipped with the cavity for accommodating the torsional spring, is equipped in the bottom of the cavity and is used for institute State the groove of one end clamping of torsional spring；It also is provided with being clamped for the other end of the torsional spring in the bottom of first bayonet recessed Slot.

Preferably, on the end cap correspondence first holding section the other end be equipped with the second holding section, described second Holding section is equipped with the second bayonet, and second bayonet is interior to be movably equipped with button by pin shaft and torsional spring.

Preferably, first holding section and the second holding section setting in a center of symmetry.

Preferably, one end of the pin shaft is equipped with the annular groove for snap openings retaining ring.

The utility model has the following beneficial effects:

The utility model is made of mechanical damper, and the length of spring in the on-compressed state damping frame and spring Greater than the length of extension on damping frame, in this way when the damper to be applied in socket covering structure, spring is made to be in pressure Contracting state to be converted into the axial compressive force between socket cover and end cap using the elastic force of spring, and then increases rubbing between the two Power is wiped, and also has frictional force between spring and socket cover, a part of torsional spring is offset under the collective effect of frictional force to socket The active force opened is covered, achievees the effect that damping, socket cover is enable slowly to open；And it is arranged in limiting plate end face outside Deck engages with the card slot on end cap, prevents damper from being rotated with the opening of socket cover, it is ensured that spring applies socket cover The power added is effective；It is simple, at low cost that the utility model damper has the characteristics that structure, and conveniently assembles with socket cover, Achieve the effect that damping, elastic force very little affected by environment, so its damping value is to temperature using spring made of metal Spend insensitive, consistency with good performance.

Detailed description of the invention

Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application, It does not constitute improper limits to the present invention, in the accompanying drawings:

Fig. 1 is the schematic diagram of novel spring damper in Examples 1 and 2；

Fig. 2 is the exploded view of novel spring damper in Examples 1 and 2；

Fig. 3 is the sectional view of novel spring damper in Examples 1 and 2；

Fig. 4 is that socket cover closes the schematic diagram after structural cover is closed in embodiment 2；

Fig. 5 is the schematic diagram in embodiment 2 after socket covering structure opening；

Fig. 6 is the exploded view of socket covering structure in embodiment 2；

Fig. 7 is that socket cover closes the sectional view after structural cover is closed in embodiment 2.

Specific embodiment

In order to more fully understand the technology contents of the utility model, below in conjunction with attached drawing and specific embodiment to this Utility model is described further and illustrates.

Embodiment 1

As shown in Figure 1 to Figure 3, a kind of novel spring damper shown in the present embodiment, including damping frame 1 and spring 2, resistance Buddhist nun's frame 1 includes limiting plate 11 and is integrally formed set on the extension 12 11 1 side end face of limiting plate centre and protruded outward, bullet One end of spring 2 is sleeved on the periphery of extension 12, and the outer diameter of spring 2 is less than or equal to the size of limiting plate 11, it is ensured that limits Plate can withstand spring 2, so that spring is realized effective compression in application, and facilitate installation；The axis of spring 2 in the on-compressed state It is greater than the length of extension 12 to length (i.e. the vertical length of front end to rear end), it is ensured that spring can be compressed；Extension 12 Center is equipped with the through-hole 13 that damping frame 1 is run through in front and back along axially direction, realizes in actual application with the interspersed cooperation of axis The fixed installation of damper.

Specifically, another side end face of limiting plate 11 is equipped with the deck 14 of outwardly convex, in actual application Installation is engaged with slot, prevents damping frame 1 from rotating.

Specifically, longitudinal direction (i.e. radial) section of limiting plate 11 and extension 12 is circle, i.e., limiting plate 11 and extend Portion 12 be it is cylindric, i.e., the outer diameter of spring 2 be less than or equal to limiting plate 11 diameter.

In actual application, the internal diameter of spring 2 is greater than the diameter (i.e. outer diameter) of extension 12.

Spring 2 is made of metal and (is made for example, by using spring steel), and the effect of damping is reached using spring made of metal Fruit, elastic force very little affected by environment, so its damping value is to temperature-insensitive, consistency with good performance.

In the other embodiments of the utility model, limiting plate and/or extension setting squarely etc. can be also arranged to When rectangular, the length and width dimensions of limiting plate be all larger than or equal to spring outer diameter, and be at this moment not provided in the end face outside of limiting plate Deck.

Embodiment 2

As shown in Figures 1 to 7, a kind of socket covering structure is present embodiments provided, including end cap 3, lid close on end cap 3 One end of novel spring damper described in socket cover 4 and embodiment 1 for sealing, end cap 3 is equipped with the first holding section, First holding section includes two fixinig plates 5, and the first bayonet 51 is formed between two fixinig plates 5, and one end of socket cover 4 is equipped with suit Mounting portion 41 in the first bayonet 51, fixinig plate 5 and mounting portion 41 realize that rotation connection is solid by passing through the two before and after pin shaft 6 Fixed, the one end for the pin shaft 6 being placed in the first bayonet 51 is arranged with torsional spring 61, and the both ends of torsional spring 61 are connected in 4 He of socket cover respectively End cap 3 realizes the power automatically opened and the retentivity being kept open using the torsion of torsional spring as socket cover；Mounting portion 41 are equipped with the cavity 411 of receiving torsional spring 61 in one end of corresponding torsional spring 61, and the other end is equipped with the peace of suit novel spring damper Hole 412 is filled, after novel spring damper is set in mounting hole 412, pin shaft 6 passes through the through-hole 13 on novel spring damper, bullet One end in spring 2 far from limiting plate 11 is abutted with the interior sidewall surface of mounting hole 412, and spring 2 is in compressive state, is utilized in this way The elastic force of spring generates axial pressure to mounting portion and fixinig plate between the two, is beaten in socket cover by the torsion rotation of torsional spring When opening, which be will increase between socket cover and end cap (between the face being in contact i.e. on the outside of mounting portion and both on the inside of fixinig plate) Frictional force；And when socket cover Unscrew, can also there be frictional force between spring and socket cover, in the collective effect of frictional force The lower active force (i.e. torsion) offsetting a part of torsional spring and opening to socket cover, achievees the effect that damping, keeps socket cover slow It opens.

Specifically, being equipped with card slot 52, novel spring damper on the inside of the fixinig plate 5 of side corresponding with novel spring damper On deck 14 protrude from mounting hole 412 and be sticked in card slot 52, be fixed damping frame 1；In actual application, The internal diameter of spring 2 should be greater than the diameter of extension 12, because when the internal diameter of spring is consistent with extension outer diameter, the elastic force meeting of spring Failure, without damping；And when the internal diameter of spring 2 is greater than the diameter of extension 12, it can be deposited between spring 2 and extension 12 In gap, rotated together in use, spring may be driven by socket cover, it is also possible to without rotation, because damping frame does not revolve Turn, the both ends of the spring abutted respectively with limiting plate and socket cover can generate frictional force, in this way regardless of spring can or can not be with slotting Flap is rotated together, and socket cover will receive frictional force brought by spring, which is also socket cover Unscrew Resistance, and the frictional force generated between socket cover and the fixinig plate of end cap is constant.

Specifically, being equipped with the groove (not shown) being clamped for one end of torsional spring 61 in the bottom of cavity 411；? The bottom of one bayonet 51 also is provided with the groove (not shown) being clamped for the other end of torsional spring 61.

The other end on end cap 3 in corresponding first holding section is equipped with the second holding section, and the second holding section is equipped with the second card Mouthfuls 53, button 7 is movably equipped with by pin shaft 6 and torsional spring 61 in the second bayonet 53, the button is for fastening corresponding peace on socket cover The other end in dress portion fixes the socket cover of Gai Hehou；Specifically, button 7 is placed in the second bayonet 53, pin shaft 6 is utilized Front and back passes through the second holding section and button 7 realizes that rotation is connected and fixed, and the both ends of the torsional spring 61 on the pin shaft 6 are connected in respectively End cap 3 and button 7 are equipped with the groove 531 for being clamped one end of torsional spring on the bottom of the second bayonet 53 and button 7.

Specifically, the setting in a center of symmetry of the first holding section and the second holding section, i.e. the second holding section also include two solid Stator 5, and be equipped with the fixinig plate equipped with card slot in the fixinig plate 5 and the first holding section of card slot 52 in the second holding section and be divided into not Ipsilateral (i.e. opposite two sides) based on the considerations of installation site and socket cover opening direction, are pressed so in actual application Mounting portion on button and socket cover can flexibly exchange installation site between the two, i.e. button can be set in the first holding section, installation Portion can be set in the second holding section, thus effectively increase the practicability and the scope of application of the present embodiment socket covering structure.

Specifically, the axial cross section of pin shaft 6 is T-shaped, and it is equipped in the end of the vertical section of pin shaft and is used for snap openings The annular groove 9 of retaining ring 8 is set with split washer 8 on annular groove 9, consolidates pin shaft after the vertical section of such pin shaft interts object It is fixed, the structure ease of assembly.

In the other embodiments of the utility model, also mounting hole can be set as compatible shape according to the shape of limiting plate Shape；For example, that is, mounting hole is also rectangular, and is at this moment not provided with card slot on fixinig plate, damper when limiting plate is rectangular End face outside is contacted with the inner side end of fixinig plate, and damper can rotate together with the opening of socket cover, at this moment by spring Influence, the end face outside of limiting plate can generate frictional force, the end face outside of the mounting portion other end with the inner side end of fixinig plate It can equally be influenced by elastic force between another fixinig plate and increase frictional force, for offsetting the torsion of torsional spring, reach damping Effect.

Technical solution provided by the utility model embodiment is described in detail above, it is used herein specifically A example is expounded the principle and embodiment of the utility model embodiment, and the explanation of above embodiments is only applicable to help Assistant solves the principle of the utility model embodiment；At the same time, for those skilled in the art is implemented according to the utility model Example, there will be changes in terms of specific embodiments and scope of application, in conclusion the content of the present specification should not be construed as Limitations of the present invention.

Claims

1. a kind of novel spring damper, which is characterized in that including damping frame and spring, the damping frame include limiting plate and Set on the extension one side end face of limiting plate centre and protruded outward, one end of the spring is sleeved on the extension Periphery, and the outer diameter of the spring is less than or equal to the size of the limiting plate；The axial direction of the spring in the on-compressed state Length is greater than the length of the extension；The center of the extension is equipped with front and back through the damping frame along axially direction Through-hole.

2. novel spring damper according to claim 1, which is characterized in that set on another side end face of the limiting plate Outwardly convex deck.

3. novel spring damper according to claim 2, which is characterized in that the longitudinal direction of the limiting plate and extension is cut Face is circle, and the outer diameter of the spring is less than or equal to the diameter of the limiting plate.

4. novel spring damper according to claim 3, which is characterized in that the internal diameter of the spring is greater than the extension The diameter in portion.

5. a kind of socket covering structure, including socket cover and end cap, one end of the end cap is equipped with the first holding section, described first Holding section includes two fixinig plates, and the first bayonet is formed between two fixinig plates, and one end of the socket cover is equipped with suit Mounting portion in first bayonet, the fixinig plate are fixed by pin shaft with the mounting portion, are arranged on the pin shaft Torsional spring, the both ends of the torsional spring are connected in the socket cover and end cap respectively；It is characterized in that, further including such as claim 4 institute The novel spring damper stated, one end of the mounting portion are equipped with mounting hole, and the novel spring damper is set to the installation In hole, and the pin shaft passes through the through-hole on the novel spring damper；Far from one end of the limiting plate in the spring It is abutted with the interior sidewall surface of the mounting hole, and the spring is in compressive state.

6. socket covering structure according to claim 5, which is characterized in that side corresponding with the novel spring damper The fixinig plate on the inside of be equipped with card slot, the deck on the novel spring damper protrudes from the mounting hole and is sticked in institute It states in card slot.

7. socket covering structure according to claim 6, which is characterized in that the mounting portion, which is equipped with, accommodates the torsional spring Cavity, the bottom of the cavity be equipped with for the torsional spring one end be clamped groove；In the bottom of first bayonet It also is provided with the groove being clamped for the other end of the torsional spring.

8. socket covering structure according to claim 7, which is characterized in that in correspondence first engaging on the end cap The other end in portion is equipped with the second holding section, and second holding section is equipped with the second bayonet, passes through pin shaft in second bayonet Button is movably equipped with torsional spring.

9. socket covering structure according to claim 8, which is characterized in that first holding section and the second holding section at Center symmetric setting.

10. socket covering structure according to claim 9, which is characterized in that one end of the pin shaft is equipped with for engaging The annular groove of split washer.