CN212106742U - Superposed opposite wave spring - Google Patents

Abstract

The utility model provides a stack is to top wave spring, include: the wave springs are formed by spirally bending along the axial direction, and the waves of the layers are overlapped and attached; at least one connecting spring connects adjacent two, is the stack number of piles ripples spring that stacks the setting from top to bottom to make the first trough and the second crest butt-joint of two adjacent stack number of piles ripples springs offset, first crest is relative setting from top to bottom with the second trough. The utility model skillfully connects the superposed layer wave springs which are superposed up and down through the connecting springs, and enables the two wave springs to be arranged in opposite vertex, thus leading the wave springs to have larger elastic performance and longer service life under the condition of ensuring better verticality; in addition, under the condition that the thickness of the whole material is not changed, the rigidity of the wave spring can be improved by increasing the number of layers of the superposed wave spring, and various wave springs with different rigidities can be produced by changing the number of layers of the superposed wave spring; the wave spring can also form variable stiffness characteristics by different layers added in each layer.

Description

Superposed opposite wave spring

Technical Field

The utility model relates to a wave spring technical field, concretely relates to stack is to top wave spring.

Background

The opposite wave spring is formed by spirally winding a long strip sheet metal wire along the axial direction, each circle has a plurality of wave crests and wave troughs, and the opposite wave spring has the advantage of occupying half or less axial space when bearing the same load compared with a common spiral pressure spring, and is widely applied to industries such as mechanical manufacturing industry and hydraulic equipment.

The traditional opposite vertex wave spring is formed by bending the wave form obliquely downwards as shown in fig. 7, the low point of the right end of the first half-wave 01 extends to the wave crest of the second half-wave 02 of the next layer of wave ring, so that the wave form at the closing-up is different in height, namely, the verticality is not good, and the verticality has a large influence on the performance of the wave spring.

And another superimposed layer wave spring is shown in fig. 8, the metal wire of the superimposed layer wave spring is formed by spirally bending along the axial direction, each layer is wavy, each layer of wave is in an up-and-down overlapped and attached arrangement, namely, the wave crest and the wave crest of each layer are correspondingly attached, the wave trough and the wave trough are correspondingly attached, although the superimposed wave spring is good in verticality, the usable stroke is short, and the elastic performance is poor. Therefore, it is urgently needed to design a counter-top wave spring which has good verticality, good elastic performance and high available stroke under the condition of ensuring high rigidity.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that the good and the elastic property of straightness is good to the top wave spring can not be protected simultaneously to the top wave spring among the prior art to provide one kind hang down straightness good, available stroke height and guaranteeing to have better elastic property's stack to the top wave spring under great rigidity.

Therefore, the utility model provides a superposed opposite-top wave spring, which comprises a plurality of superposed layer wave springs and connecting springs, wherein each superposed layer wave spring is formed by spirally bending along the axial direction, each layer is wavy, and each layer of wave is in a superposed and laminated arrangement; the connecting spring is provided with at least one connecting spring, the connecting spring is connected with two adjacent superposed layer number wave springs which are stacked up and down, so that the first wave trough and the second wave trough of the superposed layer number wave springs are butted and abutted, and the first wave trough and the second wave trough are oppositely arranged up and down.

The connecting springs are arranged between the first wave crests and the second wave troughs of the two adjacent stacked wave springs, the first wave troughs are arranged at the bottom of the stacked wave springs at one end of each connecting spring and are connected with the first wave troughs arranged at the top, and the second wave crests at the top of the stacked wave springs at the other end of each connecting spring are arranged at the bottom.

And the plurality of superposed layer wave springs and the connecting spring are formed by integrally winding the same sheet metal wire.

The connecting spring comprises a first section, a second section and an inclined line section, wherein the first section is attached to and connected with the bottom layer of the stacked layer wave spring, the second section is attached to and connected with the top layer of the stacked layer wave spring, and the inclined line section is connected with the first section and the second section.

And the joints of the oblique line segments and the first section and the second section are in circular arc transition connection.

The first and second segments are each 1/6-1/4 of 1 wave length in length.

The connecting spring is in a flat line shape.

The connecting spring is in a half wave shape tightly attached to the superposed layer wave spring arranged above or below.

The wave shape is sinusoidal.

Each layer of the superposed layer wave spring at least comprises two sine waves.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a superimposed wave spring against roof, including a plurality of superimposed number of piles ripples spring and connection spring, utility model people ingeniously through the connection spring connect adjacent two, present the superimposed number of piles ripples spring that stacks the setting from top to bottom, and make the first trough and the second crest of two adjacent superimposed number of piles ripples springs against each other, first crest and second trough are relative setting from top to bottom, in this way under the circumstances of guaranteeing better verticality, make it possess great elasticity performance, and make it possess higher available stroke; in addition, under the condition that the thickness of the whole material is not changed, the rigidity of the wave spring can be improved by increasing the number of layers of the superposed layer wave spring, and the superposed layer wave springs with different numbers of layers can be connected through the connecting spring by changing the number of layers of the superposed layer wave spring, so that the wave springs with different rigidities can be produced, the wave springs can form the variable rigidity characteristic, and different requirements of customers can be met.

2. The utility model provides a stack is to a ripples spring, the connection spring is located between the upper and lower relative first crest and the second trough of two adjacent stack number of piles ripples springs, its one end links to each other with the first trough of the stack number of piles ripples spring bottom that sets up at last, the other end links to each other with the second crest of the stack number of piles ripples spring top layer that sets up under, the structure of above-mentioned connection spring makes a plurality of stack number of piles ripples spring and connection spring form by the integrative coiling of same slice wire, it is swift convenient to process like this, the production efficiency is greatly improved, and the production cost is reduced.

3. The utility model provides a stack is to top ripples spring, connect the spring include with the first section of being connected in the bottom laminating of the stack number of piles ripples spring that sets up at last, with the second section of being connected in the top layer laminating of the stack number of piles ripples spring that sets up under to and connect the slash section of first section and second section, connect the spring like this and be the wave setting, thereby increased elastic performance.

4. The utility model provides a stack is to top ripples spring, the half-wave shape that the connection spring was closely laminated with the stack number of piles ripples spring that sets up or under last, and the connection spring of version wave form can increase the elasticity performance of stack to top ripples spring.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of the superposed counter wave spring of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a perspective view of a second embodiment of the stacked wave spring assembly of the present invention;

FIG. 4 is a front view of FIG. 3;

fig. 5 is a perspective view of a third embodiment of the superposed opposite wave spring according to the present invention;

FIG. 6 is a front view of FIG. 5;

FIG. 7 is a perspective view of a counter-top wave spring of the prior art;

fig. 8 is a perspective view of a conventional stacked wave spring.

Description of reference numerals: 01. a first half-wave; 02. a second half-wave;

1. a first stacked layer wave spring; 11. a first trough; 12. a first peak; a1, first layer; a2, a second layer; 2. a second superposed layer wave spring; 21. a second peak; 22. a second trough; b1, a third layer; b2, a fourth layer; 3. a connecting spring; 31. a first stage; 32. a second stage; 33. and (5) a diagonal segment.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Examples

The present embodiment provides a stacked opposing wave spring, which includes a first stacked layer wave spring 1, a second stacked layer wave spring 2, and a connecting spring 3, as shown in fig. 1 and 2.

As shown in fig. 1 and 2, the first stacked wave spring 1 and the second stacked wave spring 2 are arranged in an up-down opposite manner, each stacked wave spring is formed by spirally bending along the axial direction, the first stacked wave spring 1 has a first layer a1 and a second layer a2, the second stacked wave spring 2 has a third layer b1 and a fourth layer b2, wherein the tail end of the first layer a1 is integrally connected with the start end of the second layer a2, the tail end of the third layer b1 is integrally connected with the start end of the fourth layer b2, each layer is in a wave shape, the wave shape is sinusoidal, and each layer comprises three sinusoidal wave shapes. Each layer of wave form is for overlapping the laminating setting, and the first trough 11 of first stack number of piles ripples spring 1 offsets with the second crest 21 of second stack number of piles ripples spring 2, and the first crest 12 of first stack number of piles ripples spring 1 is relative setting from top to bottom with the second trough 22 of second stack number of piles ripples spring 2.

The connecting spring 3 is arranged between the first wave crest 12 and the second wave trough 22 which are opposite up and down of the two adjacent stacked wave springs, one end of the connecting spring is connected with the first wave trough 11 at the bottom layer of the stacked wave spring which is arranged above, and the other end of the connecting spring is connected with the second wave crest 21 at the top layer of the stacked wave spring which is arranged below. The connecting spring 3 comprises a first section 31 connected with the first wave trough 11 of the second layer a2, a second section 32 connected with the second wave crest 21 of the third layer b1, and an inclined line section 33 connecting the first section 31 and the second section 32, wherein the length of each of the first section 31 and the second section 32 is 1/6-1/4 of 1 wave length, and the connection part of the inclined line section 33 with the first section 31 and the second section 32 is in circular arc transition connection. In this embodiment, the plurality of stacked layer wave springs and the connecting spring 3 are formed by integrally winding a single sheet metal wire.

As a switchable embodiment, the number of stacked layer wave springs may be 2, 3, 4 or more, and the number of stacked layer wave springs may be 2, 3, 4 or more.

As a variable embodiment, the number of sinusoids per layer of the stacked layer wave spring may be 2, 3, 4 or more.

As an alternative embodiment, the connecting spring 3 is in the form of a flat wire, as shown in fig. 3 and 4.

As a variable embodiment, as shown in fig. 5 and 6, the connection spring 3 has a half-wave shape closely attached to the stacked wave springs disposed above or below.

As an alternative embodiment, the number of connecting springs 3 can be 1, 2, 3 or more.

As an alternative embodiment, one end of the connecting spring 3 may be connected to the bottom layer of the stacked wave spring disposed above by welding, and the other end may be connected to the second wave crest 21 of the top layer of the stacked wave spring disposed below.

The utility model discloses a stack is to top wave spring, including a plurality of stack number of piles wave spring and connecting spring 3, utility model people ingeniously through connecting spring 3 connect adjacent two, the stack number of piles wave spring that stacks the setting from top to bottom, and make the first trough 11 and the second crest 21 of adjacent two stack number of piles wave springs push up and offset, first crest 12 and second trough 22 are relative setting from top to bottom, like this under the circumstances of guaranteeing better verticality, make it possess great elasticity performance, and make it possess higher available stroke; in addition, under the condition that the thickness of the whole material is not changed, the rigidity of the wave spring can be improved by increasing the number of layers of the stacked wave spring, and various wave springs with different rigidities can be produced by changing the number of layers of the stacked wave spring, so that the wave spring has the characteristic of variable rigidity, and different requirements of customers can be met.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. A stacked opposing wave spring, comprising:

the wave springs are formed by spirally bending along the axial direction, each layer is wavy, and the waves of the layers are overlapped and attached;

at least one connecting spring (3), connect adjacent two, be the stacking number of piles ripples spring that stacks the setting from top to bottom to make adjacent two first trough (11) and second crest (21) of stacking number of piles ripples spring are the counterbalance, and first crest (12) are relative setting from top to bottom with second trough (22).

2. The stacked opposing wave spring as claimed in claim 1, wherein the connecting spring (3) is disposed between the first wave crest (12) and the second wave trough (22) of two adjacent stacked wave springs, and has one end connected to the first wave trough (11) at the bottom of the stacked wave spring disposed above and the other end connected to the second wave crest (21) at the top of the stacked wave spring disposed below.

3. The superposed counter-top wave spring according to claim 2, wherein a plurality of the superposed layer wave springs and the connecting spring (3) are integrally wound from the same sheet metal wire.

4. The superposed counterpoise spring according to claim 3, wherein said connection spring (3) comprises a first segment (31) in abutting connection with a bottom layer of the superposed layer number wave spring disposed above, a second segment (32) in abutting connection with a top layer of the superposed layer number wave spring disposed below, and a diagonal segment (33) connecting said first segment (31) and said second segment (32).

5. The superposed counter-top wave spring according to claim 4, characterized in that the junctions of the oblique line segments (33) and the first and second segments (31, 32) are both circular arc transition junctions.

6. The superposed counter-wave spring according to claim 4 or 5, characterized in that the length of the first segment (31) and the second segment (32) are each 1/6-1/4 of 1 wave length.

7. A superposed counter-wave spring according to claim 3, characterised in that the connecting spring (3) is flat.

8. A stacked counterpoise wave spring according to claim 3, characterized in that said connecting spring (3) is a half wave form closely fitting to said stacked layer wave spring disposed above or below.

9. The superposed counter top wave spring according to any one of claims 1-5, wherein the wave shape is sinusoidal.

10. The superposed counter-top wave spring of claim 9, wherein each layer of the superposed layer of wave springs comprises at least two sine waves.

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