CN206457751U - Spring assembly and banister - Google Patents
Spring assembly and banister Download PDFInfo
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- CN206457751U CN206457751U CN201621458347.1U CN201621458347U CN206457751U CN 206457751 U CN206457751 U CN 206457751U CN 201621458347 U CN201621458347 U CN 201621458347U CN 206457751 U CN206457751 U CN 206457751U
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- spring
- expansion link
- compression spring
- sleeve pipe
- protection sleeve
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Abstract
A kind of banister the utility model discloses spring assembly and comprising the spring assembly；The spring assembly includes spring mechanism and hollow spring protection sleeve pipe, and spring mechanism is set in spring protection sleeve pipe；Spring mechanism includes compression spring and expansion link, and compression spring is set with and is limited on expansion link；Spring protection sleeve pipe includes two ends, is divided into first end and the second end；Expansion link includes two ends, is divided into first end and the second end；Second end of expansion link and compression spring are limited in spring protection sleeve pipe, and the first end of the relative spring protection sleeve pipe of first end energy of expansion link is stretched.Spring assembly of the present utility model and the banister comprising the spring assembly, because spring assembly is provided with spring protection sleeve pipe, can avoid scraping and/or colliding between compression spring body, prevent compression spring to be broken, so as to improve the service life of spring assembly.
Description
Technical field
The utility model is related to machinery equipment field, and in particular to a kind of spring assembly and the road comprising the spring assembly
Lock.
Background technology
At present, banister spring of the prior art generally uses extension spring, and each spring is pacified as individual components
It is attached in banister control cabinet.The major function of banister spring is：When banister spring is stretched, banister is gradually reduced, last real
Now close；When spring-return is in situ, banister is gradually increasing, and is finally realized and is opened.
Banister spring of the prior art, its two ends are mounted directly in banister control cabinet, now, banister bullet
Spring body does not use any safeguard procedures, and banister spring body is hollow to be relied on without any.Therefore, in use, banister
Between spring body, in banister spring body and control cabinet unexpected scraping and/or collision are easily produced between miscellaneous part；This
Sample can reduce the service life of spring；And easily make spring breakage, cause banister to plunk down, injure vehicles or pedestrians by a crashing object.
Utility model content
The extension spring service life of banister is caused to reduce, be broken due to unexpected scraping and/or collision to overcome
Technical problem, the utility model provides a kind of spring assembly and the banister comprising the spring assembly, and it can make compression spring
Avoid scraping and collide, prevent compression spring to be broken, so as to improve the service life of spring assembly.
To achieve the above object, a kind of spring assembly provided by the utility model, including spring mechanism and hollow bullet
Spring protection sleeve pipe, the spring mechanism is set in the spring protection sleeve pipe；
The spring mechanism includes compression spring and expansion link, and the compression spring is set with and is limited in the expansion link
On；
The spring protection sleeve pipe includes two ends, is divided into first end and the second end；The expansion link includes two ends, is divided into the
One end and the second end；
Second end of the expansion link and compression spring are limited in the spring protection sleeve pipe, and the of the expansion link
One end can the first end of relatively described spring protection sleeve pipe stretched.
In above-mentioned spring assembly, the spring mechanism also includes ball base, and the ball base is set on the expansion link
And be limited in the spring protection sleeve pipe；
The outside dimension of the compression spring is more than or equal to the internal diameter size of the ball base, and the compression spring is interior
Footpath size is less than or equal to the outside dimension of the ball base.
In above-mentioned spring assembly, the number of the compression spring is two, is divided into the first compression spring and the second compression bullet
Spring；
Second compression spring and the first compression spring are inserted in the expansion link from the first end of the expansion link successively.
In above-mentioned spring assembly, the quantity of the ball base is two, is divided into the first ball base and the second ball base；
Second ball base is limited between the end at the second end of the expansion link and second compression spring, institute
The first ball base is stated to be limited between the end of the first end of the expansion link and first compression spring.
In above-mentioned spring assembly, the spring mechanism also includes anti-beat sheath, and the anti-beat sheath is set in described
On expansion link and positioned between second compression spring and the first compression spring.
In above-mentioned spring assembly, the end at the second end of the expansion link is provided with boss, second compression spring it is interior
The internal diameter size of footpath size and second ball base is respectively less than the outside dimension of the boss.
In above-mentioned spring assembly, the spring mechanism also includes adjusting screw rod, and the adjusting screw rod includes two ends, is divided into the
One end and the second end；The first end of the adjusting screw rod is located at the outside of the spring protection sleeve pipe, the of the adjusting screw rod
Two ends are connected with the end of the first end of the expansion link.
In above-mentioned spring assembly, the expansion link is hollow, and the end of the first end of the expansion link is provided with the connection tune
Save the first connecting portion at the second end of screw rod；The first connecting portion is in truncated cone-shaped, the size of first connecting portion described in truncated cone-shaped
It is gradually reduced from the second end of the expansion link to the direction of first end；
The end at the second end of the adjusting screw rod also is provided with the second connecting portion matched with the first connecting portion, institute
It is also in truncated cone-shaped to state second connecting portion；
The first end of the adjusting screw rod enters from the second end of the hollow expansion link, and from the of the expansion link
The end of one end is passed, and the second connecting portion is limited in the inside of the first connecting portion.
In above-mentioned spring assembly, in addition to fixed component, the fixed component includes fixed hook and hook base；It is described solid
Fixed hook is fixedly mounted on one end of the hook base, and the other end of the hook base is fixedly installed in the spring protecting jacket
The end at the second end of pipe.
In order to solve identical technical problem, the utility model additionally provides a kind of banister, and it includes any of the above-described technology
The spring assembly of scheme.
A kind of spring assembly that above-mentioned technical proposal is provided and the banister comprising the spring assembly, spring assembly is due to setting
There is spring protection sleeve pipe, every compression spring can be made to be in the separate space of opposing seal, so as to avoid compression spring sheet
Scrape and/or collide between body, prevent compression spring to be broken, so as to improve the service life of spring assembly；Again due to the spring
Device replaces extension spring of the prior art using compression spring, and to determine that it has longer for the working characteristics of compression spring
Service life and do not allow easy fracture, so, compression spring further extends the service life of the spring assembly；
It is additionally, since compression spring suit and is limited on expansion link, and the second end of expansion link and compression spring are limited
In spring protection sleeve pipe, so, even if compression spring fracture is remained on and can be set on expansion link, and now, expansion link
The second end remain on and be limited in spring protection sleeve pipe, i.e. spring assembly will not be because compression spring is broken and be lost completely
Stretch function；Therefore, in the presence of spring protection sleeve pipe and expansion link cooperate, the spring assembly can be avoided due to pressure
Contracting spring breakage and cause the banister comprising the spring assembly to pound suddenly, and cause potential safety hazard.
Brief description of the drawings
Fig. 1 is the structural decomposition diagram of spring assembly of the present utility model；
Fig. 2 is the sectional view of the spring protection sleeve pipe of spring assembly of the present utility model.
Wherein, 1, spring protection sleeve pipe；11st, the first end of spring protection sleeve pipe；111st, first annular end face；12nd, spring
Second end of protection sleeve pipe；121st, the second annular end face；2nd, expansion link；21st, the first end of expansion link；22nd, the second of expansion link
End；23rd, boss；24th, first connecting portion；3rd, the first compression spring；4th, the second compression spring；5th, the first ball base；6th, the second rolling
Pearl seat；7th, anti-beat sheath；8th, adjusting screw rod；81st, the first end of adjusting screw rod；82nd, second connecting portion；9th, fixed hook；10、
Hook base.
Embodiment
With reference to the accompanying drawings and examples, embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.
As shown in figure 1, a kind of spring assembly provided by the utility model and the banister comprising the spring assembly；The spring
Device includes spring mechanism and hollow spring protection sleeve pipe 1, and spring mechanism is set in spring protection sleeve pipe 1；
Spring mechanism includes compression spring and expansion link 2, and compression spring is set with and is limited on expansion link 2；
Spring protection sleeve pipe 1 includes two ends, is divided into first end and the second end；Expansion link 2 include two ends, be divided into first end and
Second end；
Second end 22 of expansion link and compression spring are limited in spring protection sleeve pipe 1, the energy of first end 21 of expansion link
First end 11 with respect to spring protection sleeve pipe is stretched；
Spring assembly is due to that provided with spring protection sleeve pipe 1, can make every compression spring be in the independent empty of opposing seal
In, so as to scrape and collide between avoiding compression spring body, prevent compression spring to be broken, so as to improve making for spring assembly
Use the life-span；Again because the spring assembly using compression spring replaces extension spring of the prior art, and the work of compression spring
Characteristic determines that it has longer service life and does not allow easy fracture, so, compression spring further extends the spring assembly
Service life；
It is additionally, since compression spring suit and is limited on expansion link 2, and the second end 22 of expansion link and compression spring are equal
It is limited in spring protection sleeve pipe 1, so, it can be set on expansion link 2 even if compression spring fracture is remained on, and now, stretch
Second end 22 of contracting bar, which is remained on, to be limited in spring protection sleeve pipe 1, i.e. spring assembly will not be complete due to compression spring fracture
Lose stretch function entirely；Therefore, in the presence of spring protection sleeve pipe 1 and expansion link 2 cooperate, the spring assembly can be kept away
Exempt from due to the potential safety hazard that compression spring is broken and is caused.
In the case where considering design, manufacturing, process, the condition such as use, body of rod outer wall, the spring of expansion link 2 are protected
The generally non-Precision Machining of the inwall of protecting pipe 1, therefore roughness is larger；Preferably, spring mechanism also includes ball base, ball
Cover for seat is loaded on expansion link 2 and is limited in spring protection sleeve pipe 1；On the one hand, because ball base is difficult the body of rod with expansion link 2
There is the phenomenon for scraping and colliding repeatedly in outer wall, the inwall of spring protection sleeve pipe 1, not only expansion link 2 can be avoided to damage, and
The inwall of spring protection sleeve pipe 1 can be protected；
On the other hand, when compression spring discontinuity, ball base can be adjusted by the effect autorotation of spin
The elastic force of compression spring is saved, makes the power load distributing of compression spring uniformly reasonable, prevents compression spring beat or serpentine bend occur,
So as to play a part of orientation.
The outside dimension of compression spring is more than or equal to the internal diameter size of ball base, to ensure compression spring with ball base in phase
Can stablize during mutual cooperating, it is accurate, safe and reliable.
Preferably, the number of compression spring is two, is divided into the first compression spring 3 and the second compression spring 4；Second compression
The compression spring 3 of spring 4 and first is inserted in expansion link 2 from the first end 21 of expansion link successively；By setting two compression springs, one
Aspect, can preferably meet the use requirements such as size, the force value of spring assembly, but also whole spring assembly can be made tighter
Gather, rationally；On the other hand, can make spring assembly has preferably effect in use, such as makes spring assembly
There is longer service life, more preferable security performance etc. during.
Preferably, the first compression spring 3 is identical with model with the specification of the second compression spring 4.
When the number of compression spring is two, it is preferable that the quantity of ball base is also two, is divided into the first ball base 5
With the second ball base 6；Second ball base 6 is limited between the end at the second end 22 of expansion link and the second compression spring 4, and first
Ball base 5 is limited between the end of the first end 21 of expansion link and the first compression spring 3；By setting two ball bases, one
Aspect, it is ensured that each compression spring has a ball base to be matched therewith being operated, so as to reduce to greatest extent
In first compression spring 3, the second compression spring 4 body of rod outer wall in the course of the work with expansion link 2, spring protection sleeve pipe 1
Friction between wall；
On the other hand, when the number of compression spring is two, the length increase of spring, when being compressed, compresses bullet
Spring is easier beat, the phenomenon of bending occur, sets two ball bases to reduce compression spring to greatest extent and was using
Beat and buckling phenomenon in journey, play a part of orientation.
Certainly, according to conditions, the number of compression spring such as the different use installation environment of the spring assembly, performance requirements
Mesh can also be one, three, even more many；Such as when the use installing space of spring assembly is smaller, set in spring assembly
Use requirement can be met by putting a compression spring；Now, it is preferable that the number of ball base is according to the number of compression spring
It is fixed.Preferably, spring mechanism also includes anti-beat sheath 7, and anti-beat sheath 7 is set on expansion link 2 and positioned at the second compression
Between the compression spring 3 of spring 4 and first；In this way, when the first compression spring 3 and the second compression spring 4 are in compression
During state, the first compression spring 3 and the second compression spring 4 are not susceptible to beat, serpentine bend, can so avoid due to pressure
Contracting spring bending and occur colliding and/or scrape the body of rod outer wall of expansion link 2, the phenomenon of the inwall of spring protection sleeve pipe 1；
Preferably, when anti-beat sheath 7 is processed in design, anti-beat sheath 7 is made to disclosure satisfy that portion in contact
Partial compression spring can be embedded in the two ends of anti-beat sheath 7 slightly.
The end at the second end 22 of expansion link is provided with boss 23, the internal diameter size of the second compression spring 4 and the second ball base 6
Internal diameter size be respectively less than the outside dimension of boss 23；It can so ensure the first end 21 of expansion link relative to spring protecting jacket
During 1 stretching motion of pipe, the first compression spring 3 on expansion link 2, the second compression spring 4, the rolling of the first ball base 5, second are sheathed on
Pearl seat 6, anti-beat sheath 7 are limited in spring protection sleeve pipe 1 all the time.
Spring mechanism also includes adjusting screw rod 8, and adjusting screw rod 8 includes two ends, is divided into first end and the second end；Adjusting screw rod
First end 81 be located at the outside of spring protection sleeve pipe 1, the end of the second end of adjusting screw rod and the first end 21 of expansion link connects
Connect；
Preferably, expansion link 2 is hollow, and the of the second end of the end of the first end 21 of expansion link provided with connection adjusting screw rod
One connecting portion 24；First connecting portion 24 is in truncated cone-shaped, the size of truncated cone-shaped first connecting portion 24 from the second end 22 of expansion link to
The direction of first end is gradually reduced；
The end at the second end of adjusting screw rod also is provided with the second connecting portion 82 matched with first connecting portion 24, and second connects
Socket part 82 is also in truncated cone-shaped；
The first end 81 of adjusting screw rod enters from the second end 22 of hollow expansion link, and from the first end 21 of expansion link
End is passed, and second connecting portion 82 is limited in the inside of first connecting portion 24；
Because adjusting screw rod 8 needs certain deflection angle in use, sometimes, tune is made in this way
Section screw rod 8 is cooperated with expansion link 2 and is attached, on the one hand, first connecting portion 24 can be made to be fitted with second connecting portion 82
It is closer, and make stability and security that both connect higher；
On the other hand, the angle between fixed, adjustable telescopic rod 2 and adjusting screw rod 8 can be facilitated, adjusting screw rod 8 is met
The requirement with certain deflection angle is needed in use.
As shown in figure 1, the spring assembly also includes fixed component, fixed component includes fixed hook 9 and hook base 10；Gu
Surely hook 9 is fixedly mounted on one end of hook base 10, and the other end of hook base 10 is fixedly installed in the of spring protection sleeve pipe
The end at two ends 12.
As depicted in figs. 1 and 2, the internal diameter size of spring protection sleeve pipe 1 everywhere is in the same size.But, in order to ensure to stretch
When the first end 21 of bar carries out stretching motion with respect to the first end 11 of spring protection sleeve pipe, the first ball base 5 is always positioned at spring
In protection sleeve pipe 1, and then ensure the second compression spring 4, anti-bias between the second end 22 of expansion link and the first ball base 5
Pendulum sheath 7, the first compression spring 3 are also always positioned in the spring protection sleeve pipe 1, the first end 11 of spring protection sleeve pipe
End needs to carry out " closing in " operation；The tube wall of the first end 11 of spring protection sleeve pipe is curved inwardly with decompressor, rushed
Swaging is into first annular end face 111, to spacing first ball base 5；
Preferably, after the completion of the end " closing in " of the first end 11 of spring protection sleeve pipe, an annular gasket is put into bullet
The inside of spring protection sleeve pipe 1；Concrete operations are as follows：Annular gasket is put into from the second end 12 of spring protection sleeve pipe, and to spring
The first end 11 of protection sleeve pipe is moved, until clinging on first annular end face 111；The external diameter of annular gasket should be greater than the first ring
The internal diameter of shape end face 111, the internal diameter of annular gasket is more than the external diameter of expansion link 2.
Meanwhile, when spring mechanism be completed and cover be attached to spring protecting jacket pipe 1 after, the second end 12 of spring protection sleeve pipe
End be also required to operation of " closing up "；The tube wall at the second end 12 of spring protection sleeve pipe is curved inwardly with decompressor, rushed
Swaging is into the second annular end face 121, to limit spring mechanism；The second annular end face 121 for being stamped and formed out type should be with hook holder
10 laminatings, and ensure that the internal diameter of the second annular end face 121 is less than the external diameter of hook holder 10.
When the first end 21 of expansion link is flexed outward with respect to the first end 11 of spring protection sleeve pipe, do away from spring protecting jacket
During the second end 12 motion of pipe, expansion link 2 can be compressed to the first compression spring 3 and the second compression spring 4, now compress bullet
Spring stores compression elasticity；
When first end 11 of the first end 21 with respect to spring protection sleeve pipe for needing expansion link is to contract, does and protected close to spring
During the second end 12 motion of protecting pipe, expansion link 2 is in the presence of the first compression spring 3 and the compression elasticity of the second compression spring 4
Inwardly retract, the first compression spring 3 and the second compression spring 4 reset.
To sum up, spring assembly of the present utility model is due to that provided with spring protection sleeve pipe 1, can be in every compression spring
In the separate space of opposing seal, so as to scrape and collide between avoiding compression spring body, compression spring is prevented to be broken, so that
Improve the service life of spring assembly；Again because the spring assembly uses compression spring to replace extension spring of the prior art,
And the working characteristics of compression spring determines that it has longer service life and does not allow easy fracture, so, compression spring is further
Extend the service life of the spring assembly；
It is additionally, since compression spring suit and is limited on expansion link 2, and the second end 22 of expansion link and compression spring are equal
It is limited in spring protection sleeve pipe 1, so, it can be set on expansion link 2 even if compression spring fracture is remained on, and now, stretch
Second end 22 of contracting bar, which is remained on, to be limited in spring protection sleeve pipe 1, i.e. spring assembly will not be complete due to compression spring fracture
Lose stretch function entirely；Therefore, in the presence of spring protection sleeve pipe 1 and expansion link 2 cooperate, the spring assembly can be kept away
Exempt from because compression spring is broken and causes the banister comprising the spring assembly to pound suddenly, and cause potential safety hazard.
Spring assembly provided by the utility model may apply in banister, and the banister comprising the spring assembly has such as
Lower beneficial effect：
(1) working environment of banister inner spring, is improved：By setting up spring protection sleeve pipe 1, compression spring is set to be in phase
To in sealed separate space, it is to avoid compression spring body is exposed and unexpected scraping and/or collision.
(2) service life of spring, is greatly improved：The utility model replaces stretching of the prior art with compression spring
Spring, overcomes the defect that extension spring service life is short, be easily broken off.
Learnt by result of the test：The service life of compression spring in spring assembly makes for extension spring in the prior art
With more than 10 times of the life-span.
(3), eliminate in the prior art because extension spring is broken and banister is pounded down the potential safety hazard brought suddenly：Comprising
The banister of above-mentioned spring assembly, even if compression spring fracture is remained on and can be set on expansion link 2, and now, the of expansion link
Two ends 22, which are remained on, to be limited in spring protection sleeve pipe 1, i.e. spring assembly will not be because compression spring is broken and loses drawing completely
Function is stretched, spring assembly can ensure that banister will not be because compression spring is broken and pounds suddenly；Therefore, in the He of spring protection sleeve pipe 1
In the presence of expansion link 2 cooperates, the banister can be avoided because compression spring is broken and is caused comprising the spring assembly
Banister is pounded suddenly, and causes potential safety hazard.
The course of work and principle of above-mentioned banister be：
First, fixed hook 9 and adjusting screw rod 8 are fixed at the position being matched therewith；
Adjusting screw rod 8 is pulled, the first end 21 of expansion link is flexed outward with respect to the first end 11 of spring protection sleeve pipe, does
When the second end 12 away from spring protection sleeve pipe is moved, expansion link 2 is compressed to compression spring, and banister declines；
When unclamping adjusting screw rod 8, first end 11 of the first end 21 with respect to spring protection sleeve pipe of expansion link is done to contract
During close to the second end 12 motion of spring protection sleeve pipe, the compression spring on expansion link 2 resets, and banister rises.
It the above is only preferred embodiment of the present utility model, it is noted that for the ordinary skill people of the art
Member for, on the premise of the utility model technical principle is not departed from, some improvement and replacement can also be made, these improve and
Replacement also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of spring assembly, it is characterised in that including spring mechanism and hollow spring protection sleeve pipe, the spring mechanism set
Loaded in the spring protection sleeve pipe；
The spring mechanism includes compression spring and expansion link, and the compression spring is set with and is limited on the expansion link；
The spring protection sleeve pipe includes two ends, is divided into first end and the second end；The expansion link includes two ends, is divided into first end
With the second end；
Second end of the expansion link and compression spring are limited in the spring protection sleeve pipe, the first end of the expansion link
Can the first end of relatively described spring protection sleeve pipe stretched.
2. spring assembly as claimed in claim 1, it is characterised in that the spring mechanism also includes ball base, the ball
Cover for seat is loaded on the expansion link and is limited in the spring protection sleeve pipe；
The outside dimension of the compression spring is more than or equal to the internal diameter size of the ball base, and the internal diameter chi of the compression spring
The very little outside dimension less than or equal to the ball base.
3. spring assembly as claimed in claim 2, it is characterised in that the number of the compression spring is two, is divided into first
Compression spring and the second compression spring；
Second compression spring and the first compression spring are inserted in the expansion link from the first end of the expansion link successively.
4. spring assembly as claimed in claim 3, it is characterised in that the quantity of the ball base is two, is divided into the first rolling
Pearl seat and the second ball base；
Second ball base is limited between the end at the second end of the expansion link and second compression spring, and described
One ball base is limited between the end of the first end of the expansion link and first compression spring.
5. the spring assembly as described in claim 3 or 4, it is characterised in that the spring mechanism also includes anti-beat sheath, institute
Anti- beat sheath is stated to be set on the expansion link and positioned between second compression spring and the first compression spring.
6. spring assembly as claimed in claim 4, it is characterised in that the end at the second end of the expansion link is provided with boss,
The internal diameter size of the internal diameter size of second compression spring and second ball base is respectively less than the outside dimension of the boss.
7. spring assembly as claimed in claim 1, it is characterised in that the spring mechanism also includes adjusting screw rod, the tune
Saving screw rod includes two ends, is divided into first end and the second end；The first end of the adjusting screw rod is located at the spring protection sleeve pipe
Outside, the second end of the adjusting screw rod is connected with the end of the first end of the expansion link.
8. spring assembly as claimed in claim 7, it is characterised in that the expansion link is hollow, the first end of the expansion link
First connecting portion of the end provided with the second end for connecting the adjusting screw rod；The first connecting portion is in truncated cone-shaped, truncated cone-shaped
The size of the first connecting portion is gradually reduced from the second end of the expansion link to the direction of first end；
The end at the second end of the adjusting screw rod also is provided with the second connecting portion matched with the first connecting portion, described
Two connecting portions are also in truncated cone-shaped；
The first end of the adjusting screw rod enters from the second end of the hollow expansion link, and from the first end of the expansion link
End pass, and the second connecting portion is limited in the inside of the first connecting portion.
9. spring assembly as claimed in claim 1, it is characterised in that also including fixed component, the fixed component includes solid
Fixed hook and hook base；The fixed hook is fixedly mounted on one end of the hook base, and the other end of the hook base is consolidated
The end at second end of the Dingan County loaded on the spring protection sleeve pipe.
10. a kind of banister, it is characterised in that including the spring assembly as described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621458347.1U CN206457751U (en) | 2016-12-28 | 2016-12-28 | Spring assembly and banister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621458347.1U CN206457751U (en) | 2016-12-28 | 2016-12-28 | Spring assembly and banister |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206457751U true CN206457751U (en) | 2017-09-01 |
Family
ID=59697497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621458347.1U Active CN206457751U (en) | 2016-12-28 | 2016-12-28 | Spring assembly and banister |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206457751U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592463A (en) * | 2016-12-28 | 2017-04-26 | 广州市满亿弹簧有限公司 | Spring device and boom barrier |
-
2016
- 2016-12-28 CN CN201621458347.1U patent/CN206457751U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592463A (en) * | 2016-12-28 | 2017-04-26 | 广州市满亿弹簧有限公司 | Spring device and boom barrier |
| CN106592463B (en) * | 2016-12-28 | 2022-08-05 | 广州市满亿弹簧有限公司 | Spring device and barrier gate |
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