CN208634255U - A kind of butterfly spring of overload prevention function - Google Patents

A kind of butterfly spring of overload prevention function Download PDF

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Publication number
CN208634255U
CN208634255U CN201821303187.2U CN201821303187U CN208634255U CN 208634255 U CN208634255 U CN 208634255U CN 201821303187 U CN201821303187 U CN 201821303187U CN 208634255 U CN208634255 U CN 208634255U
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China
Prior art keywords
fixedly connected
block
bearing
butterfly spring
motion bar
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CN201821303187.2U
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Chinese (zh)
Inventor
王国力
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Jiyuan Jinwulian Metal Products Co Ltd
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Jiyuan Jinwulian Metal Products Co Ltd
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Abstract

The utility model relates to butterfly spring technical fields, and disclose a kind of butterfly spring of overload prevention function, including butterfly spring main body, the internal activity of the butterfly spring main body is connected with bearing, the upper end of bearing is connected with bearing block, the outer surface of the bearing is provided with card slot, the upper end of bearing block inner wall is fixedly connected with fixed link, the other end of fixed link is fixedly connected with motion bar one, the other end of motion bar one is fixedly connected with limited block one, and the same end of limited block one is fixedly connected with the spring one being fixedly connected with bearing block inner wall.The butterfly spring of the overload prevention function; pass through being used cooperatively for kelly and card slot; when bearing block stress moves down; kelly can also move down therewith; engage when kelly is moved to certain position Shi Huiyu card slot, causes bearing block not move still further below, avoid because stress is excessive; butterfly spring is caused to lose recovery elasticity, to achieve the effect that overload protection.

Description

A kind of butterfly spring of overload prevention function
Technical field
The utility model relates to butterfly spring technical field, specially a kind of butterfly spring of overload prevention function.
Background technique
Disk spring also known as Belleville spring washer, conical plate-like not only can be with used aloned, but also can be multiple Serial or parallel connection uses, and the either statically or dynamically load along axial action is born at upper inner edge and lower outer rim, is generated after being compressed Deformation, until being driven plain, to store form of energy as changing load.It is automatically converted to additional pressure required for sealing if necessary Contracting load, come reduce gasket, the lasting requirement in filler use to make-up.
With the development and use of butterfly spring, become increasingly complex in the market for the demand of butterfly spring, existing market On butterfly spring be not no overload protection function mostly, in use, when the power being subject to is larger, it is easy to make butterfly Shape spring loses recovery elastic force, so that the original effect of butterfly spring is lost, so we have proposed a kind of overload protection functions Butterfly spring come more than solving the problems, such as.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of butterfly spring of overload prevention function, has The advantages of carrying protection, self-return solves the problems, such as to be easy to lose to restore elastic force.
(2) technical solution
For the purpose for realizing above-mentioned overload protection, self-return, the utility model is provided the following technical solutions: a kind of overload The internal activity of the butterfly spring of safeguard function, including butterfly spring main body, the butterfly spring main body is connected with bearing, bearing Upper end be connected with bearing block, the outer surface of the bearing is provided with card slot, and the upper end of bearing block inner wall is fixedly connected with Fixed link one, the other end of fixed link one are fixedly connected with motion bar one, and the other end of motion bar one is fixedly connected with limited block One, the same end of limited block one is fixedly connected with the spring one being fixedly connected with bearing block inner wall, and the other end of limited block one is solid Surely it is connected with kelly, the outer surface of kelly is connected with the supporting block one being fixedly connected with the upper end inside bearing block, kelly Lower end be engaged with gear, the axle center of gear is fixedly connected with the fixed link two being fixedly connected with the inner wall of bearing block, gear Downside is engaged with one end and runs through and extend to the motion bar two outside bearing block, and the intermediate active of motion bar two is connected with and load-bearing The supporting block two that bottom end inside block is fixedly connected, the centre of motion bar two are fixedly connected with limited block two, motion bar two it is outer Surface is socketed with the spring two that both ends are fixedly connected with supporting block two and limited block two respectively, and motion bar two is located at outside bearing block One end be fixedly connected with limited block three.
Preferably, the spring one is in compressive state, and spring two is in equilibrium state.
Preferably, the supporting block one and the connection type of bearing block are welding, the connection side of supporting block two and bearing block Formula is welding.
Preferably, the supporting block two is fixedly connected on the bottom end middle-end inside bearing block.
Preferably, the middle part of the supporting block one is provided with diameter of the diameter not less than kelly of circular hole and circular hole, support The diameter that the middle part of block two is provided with circular hole and circular hole is not less than the diameter of motion bar two.
Preferably, the lower end of the kelly is equipped with the teeth engaged with gear, and the upper end of motion bar two is equipped with nibbles with gear The teeth of conjunction.
Preferably, the distance between the limited block one and supporting block one be greater than card slot left end to bearing outside surface away from From limited block two is arranged at the one third of two right end of motion bar.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of butterfly spring of overload prevention function, and having following has Beneficial effect:
1, the butterfly spring of the overload prevention function, by being used cooperatively for kelly and card slot, when bearing block stress is downward When mobile, kelly can also move down therewith, engage when kelly is moved to certain position Shi Huiyu card slot, cause bearing block can not It moves still further below, avoids causing butterfly spring main body to lose recovery elasticity, to reach the effect of overload protection because stress is excessive Fruit.
2, the butterfly spring of the overload prevention function passes through being used cooperatively for gear and kelly and motion bar two, load-bearing When block moves down, kelly can gradually slide into card slot, and kelly can move downward under the action of spring one, drive gear movement, Gear drive motion bar two movement moves right, when lose power effect after, kelly under butterfly spring subjective role automatically along Card slot moves upwards, and restores original state, to achieve the effect that automatic protection and return.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the utility model butterfly spring overlooking structure diagram.
In figure: 1 butterfly spring main body, 2 bearings, 3 bearing blocks, 4 card slots, 5 fixed links one, 6 motion bars one, 7 springs one, 8 Limited block one, 9 kellies, 10 supporting blocks one, 11 gears, 12 fixed links two, 13 motion bars two, 14 supporting blocks two, 15 limited blocks two, 16 springs two, 17 limited blocks three.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of butterfly spring of overload prevention function referring to FIG. 1-2, including butterfly spring main body 1, butterfly spring main body 1 internal activity is connected with bearing 2, and the stacking of butterfly spring main body 1 is socketed on bearing 2, and the upper end of bearing 2, which is connected with, holds Pouring weight 3, bearing block 3 is mainly used to load-bearing, and increases contact area, and the outer surface of bearing 2 is provided with card slot 4, in bearing block 3 The upper end of wall is fixedly connected with fixed link 1, when lower one of the certain position of kelly 9, will be clamped, cause with card slot 4 completely Bearing block 3 can not continue to move down, and protect butterfly spring main body 1, and the other end of fixed link 1 is fixedly connected with motion bar 1, living The other end of lever 1 is fixedly connected with limited block 1, and preventing kelly 9 from stretching out excessively connects motion bar 1 with supporting block 1 Touching, the same end of limited block 1 are fixedly connected with the spring 1 being fixedly connected with 3 inner wall of bearing block, and spring 1 is in compression State, convenient for pop-up kelly 9, the other end of limited block 1 is fixedly connected with kelly 9, and the lower end of kelly 9 is provided with and gear 11 The teeth of engagement, the outer surface of kelly 9 are connected with the supporting block 1 being fixedly connected with the upper end inside bearing block 3, branch The diameter that the middle part of bracer 1 is provided with circular hole and circular hole is not less than the diameter of kelly 9, and the lower end of kelly 9 is engaged with gear 11, the distance between limited block 1 and supporting block 1 are greater than at a distance from 4 left end of card slot to 2 outer surface of bearing, prevent kelly 9 It cannot be clamped completely with card slot 4, lead to the effect that overload protection is not achieved, the axle center of gear 11 is fixedly connected with and bearing block 3 The fixed link 2 12 that is fixedly connected of inner wall, the connection type of supporting block 1 and bearing block 3 is welding, and the downside of gear 11 is nibbled Conjunction has one end to run through and extends to the motion bar 2 13 outside bearing block 3, and the upper end of motion bar 2 13 is provided with nibbles with gear 11 The teeth of conjunction facilitate the transmission of kinetic energy, and the intermediate active of motion bar 2 13 is connected with to be fixedly connected with the bottom end inside bearing block 3 Supporting block 2 14, the connection type of supporting block 2 14 and bearing block 3 is welding, and supporting block 2 14 is fixedly connected on bearing block 3 Internal center bottom, the diameter that the middle part of supporting block 2 14 is provided with circular hole and circular hole are not less than the diameter of motion bar 2 13, The middle-end of motion bar 2 13 is fixedly connected with limited block 2 15, and the one third of 2 13 right end of motion bar is arranged in limited block 2 15 Place, the outer surface of motion bar 2 13 is socketed with the spring two that both ends are fixedly connected with supporting block 2 14 and limited block 2 15 respectively 16, spring 2 16 is in equilibrium state, and when motion bar 2 13 is to the right or when being moved to the left, spring 2 16 can occur to extend or contract It is short, be all conducive to the recovery of spring 2 16, one end that motion bar 2 13 is located at outside bearing block 3 is fixedly connected with limited block 3 17, When butterfly spring main body 1 is restored, limited block 3 17 can be pressed to the left, is more advantageous to the contraction of kelly 9.
Working principle: when 3 stress of bearing block moves down, kelly 9 can also move down therewith, and kelly 9 can be slided gradually Into card slot 4, kelly 9 can move downward under the action of spring 1, and band moving gear 11 moves, and gear 11 drives motion bar 2 13 Movement moves right, and after losing power effect, kelly is moved upwards along card slot 4 automatically under the effect of butterfly spring main body 1, extensive Multiple original state.
In conclusion the butterfly spring of the overload prevention function, by being used cooperatively for kelly 9 and card slot 4, work as bearing block When 3 stress move down, kelly 9 can also move down therewith, engage when kelly 9 is moved to certain position Shi Huiyu card slot 4, lead It causes bearing block 3 not move still further below, avoids causing butterfly spring main body 1 to lose recovery elasticity, to reach because stress is excessive The effect of overload protection.
By being used cooperatively for gear 11 and kelly 9 and motion bar 2 13, when bearing block 3 moves down, kelly 9 can be by Card slot 4 is gradually slided into, kelly 9 can move downward under the action of spring 1, and band moving gear 11 moves, and gear 11 drives motion bar 2 13 movements move right, and after losing power effect, kelly 9 is transported along card slot 4 upwards automatically under the effect of butterfly spring main body 1 It is dynamic, restore original state, to achieve the effect that automatic protection and return.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of butterfly spring of overload prevention function, including butterfly spring main body (1), the butterfly spring main body (1) it is interior Portion is connected with bearing (2), and the upper end of bearing (2) is connected with bearing block (3), it is characterised in that: the bearing (2) Outer surface is provided with card slot (4), and the upper end of bearing block (3) inner wall is fixedly connected with fixed link one (5), fixed link one (5) it is another One end is fixedly connected with motion bar one (6), and the other end of motion bar one (6) is fixedly connected with limited block one (8), limited block one (8) the same end is fixedly connected with the spring one (7) being fixedly connected with bearing block (3) inner wall, and the other end of limited block one (8) is solid Surely it is connected with kelly (9), the outer surface of kelly (9) is connected with the support that the upper end internal with bearing block (3) is fixedly connected Block one (10), the lower end of kelly (9) are engaged with gear (11), and the axle center of gear (11) is fixedly connected with interior with bearing block (3) The fixed link two (12) that wall is fixedly connected, is engaged with that one end is run through and to extend to bearing block (3) external on the downside of gear (11) Motion bar two (13), the intermediate active of motion bar two (13) are connected with the support that the bottom end internal with bearing block (3) is fixedly connected Block two (14), the centre of motion bar two (13) are fixedly connected with limited block two (15), and the outer surface of motion bar two (13) is socketed with The spring two (16) that both ends are fixedly connected with supporting block two (14) and limited block two (15) respectively, motion bar two (13) are located at load-bearing The external one end of block (3) is fixedly connected with limited block three (17).
2. a kind of butterfly spring of overload prevention function according to claim 1, it is characterised in that: the spring one (7) In compressive state, spring two (16) is in equilibrium state.
3. a kind of butterfly spring of overload prevention function according to claim 1, it is characterised in that: the supporting block one It (10) is to weld with the connection type of bearing block (3), the connection type of supporting block two (14) and bearing block (3) is welding.
4. a kind of butterfly spring of overload prevention function according to claim 1, it is characterised in that: the supporting block two (14) it is fixedly connected among the internal bottom end of bearing block (3).
5. a kind of butterfly spring of overload prevention function according to claim 1, it is characterised in that: the supporting block one (10) diameter that circular hole and circular hole are provided in the middle part of is not less than the diameter of kelly (9), is provided in the middle part of supporting block two (14) The diameter of circular hole and circular hole is not less than the diameter of motion bar two (13).
6. a kind of butterfly spring of overload prevention function according to claim 1, it is characterised in that: the kelly (9) Lower end is equipped with the teeth engaged with gear (11), and the upper end of motion bar two (13) is equipped with the teeth engaged with gear (11).
7. a kind of butterfly spring of overload prevention function according to claim 1, it is characterised in that: the limited block one (8) it is greater than at a distance from card slot (4) left end to bearing (2) outer surface with the distance between supporting block one (10), limited block two (15) It is arranged at the one third of motion bar two (13) right end.
CN201821303187.2U 2018-08-13 2018-08-13 A kind of butterfly spring of overload prevention function Active CN208634255U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821303187.2U CN208634255U (en) 2018-08-13 2018-08-13 A kind of butterfly spring of overload prevention function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821303187.2U CN208634255U (en) 2018-08-13 2018-08-13 A kind of butterfly spring of overload prevention function

Publications (1)

Publication Number Publication Date
CN208634255U true CN208634255U (en) 2019-03-22

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Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112228431A (en) * 2020-10-16 2021-01-15 湖南筑升信息科技有限公司 Fastening device for mechanical equipment construction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112228431A (en) * 2020-10-16 2021-01-15 湖南筑升信息科技有限公司 Fastening device for mechanical equipment construction

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GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Disc spring of overload protection function

Effective date of registration: 20191128

Granted publication date: 20190322

Pledgee: Bank of China Limited by Share Ltd. Jiyuan branch

Pledgor: JIYUAN JINWULIAN METAL PRODUCT Co.,Ltd.

Registration number: Y2019980000754

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20210121

Granted publication date: 20190322

Pledgee: Bank of China Limited by Share Ltd. Jiyuan branch

Pledgor: JIYUAN JINWULIAN METAL PRODUCT Co.,Ltd.

Registration number: Y2019980000754

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A butterfly spring with overload protection function

Effective date of registration: 20210125

Granted publication date: 20190322

Pledgee: Bank of China Limited by Share Ltd. Jiyuan branch

Pledgor: JIYUAN JINWULIAN METAL PRODUCT Co.,Ltd.

Registration number: Y2021980000718

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20211215

Granted publication date: 20190322

Pledgee: Bank of China Limited by Share Ltd. Jiyuan branch

Pledgor: JIYUAN JINWULIAN METAL PRODUCT Co.,Ltd.

Registration number: Y2021980000718

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Butterfly spring with overload protection function

Effective date of registration: 20211217

Granted publication date: 20190322

Pledgee: Bank of China Limited by Share Ltd. Jiyuan branch

Pledgor: JIYUAN JINWULIAN METAL PRODUCT Co.,Ltd.

Registration number: Y2021980015365

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20230213

Granted publication date: 20190322

Pledgee: Bank of China Limited by Share Ltd. Jiyuan branch

Pledgor: JIYUAN JINWULIAN METAL PRODUCT Co.,Ltd.

Registration number: Y2021980015365

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A butterfly spring with overload protection function

Effective date of registration: 20230220

Granted publication date: 20190322

Pledgee: Bank of China Limited by Share Ltd. Jiyuan branch

Pledgor: JIYUAN JINWULIAN METAL PRODUCT Co.,Ltd.

Registration number: Y2023980032930