CN213842088U

CN213842088U - Special volute spiral spring for large-water-depth rope pulling displacement sensor

Info

Publication number: CN213842088U
Application number: CN202022943396.7U
Authority: CN
Inventors: 谢雷
Original assignee: Wuhan Yunhong Gaojing Technology Co ltd
Current assignee: Wuhan Yunhong Gaojing Technology Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-07-30
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a dedicated volute spiral spring of big deep-water drawstring displacement sensor, include: the spring strip, a connecting piece, a plurality of flat head rivet, a plurality of round head rivet, rotation axis, the inside of rotation axis is equipped with square through hole, the connecting piece passes through a plurality of round head rivet with the one end of spring strip is connected, the other end of spring strip passes through a plurality of flat head rivet with the rotation axis is connected, the spring strip the connecting piece the flat head rivet the round head rivet the rotation axis all sets up in the spring cavity of displacement sensor that acts as go-between. The utility model discloses the radian that mounting means becomes along spring chamber inner wall from traditional foldable grafting passes through button head rivet joint, and the stress when can be with the spiral spring pine book changes into tangential direction's pulling force from traditional shear stress, has avoidd the spring strip because the risk of being torn off for a long time loose the book.

Description

Special volute spiral spring for large-water-depth rope pulling displacement sensor

Technical Field

The utility model relates to a spring technical field, more specifically says, the utility model relates to a dedicated volute spiral spring of big deep-drawing rope displacement sensor.

Background

The volute spiral spring in the stay wire displacement sensor is generally applicable and mainly used in an anhydrous environment or a shallow water environment, the volute spiral spring is made of a 301 stainless steel material, the corrosion resistance is weak, the installation mode of the inner end and the outer end of the volute spiral spring is unreliable, the volute spiral spring is directly bent during installation of the inner end and the outer end and then inserted into the installation hole, the bending position is easy to break, and the project is optimized and improved for the problems. Therefore, there is a need to provide a spiral spring dedicated for a large water depth cord displacement sensor to at least partially solve the problems of the prior art.

SUMMERY OF THE UTILITY MODEL

In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. The inventive content does not imply any attempt to define the essential features and essential features of the claimed solution, nor is it implied to be intended to define the scope of the claimed solution.

For at least partly solving above-mentioned problem, the utility model provides a dedicated volute spiral spring of big water depth stay cord displacement sensor, include: the spring strip, a connecting piece, a plurality of flat head rivet, a plurality of round head rivet, rotation axis, the inside of rotation axis is equipped with square through hole, the connecting piece passes through a plurality of round head rivet with the one end of spring strip is connected, the other end of spring strip passes through a plurality of flat head rivet with the rotation axis is connected, the spring strip the connecting piece the flat head rivet the round head rivet the rotation axis all sets up in the spring cavity of displacement sensor that acts as go-between.

Preferably, the end face of the connecting piece is provided with a chamfer corresponding to the twisting direction.

Preferably, the round head end of the round head rivet is clamped in the mounting hole of the inner side wall of the spring cavity of the stay wire displacement sensor, and the end face of the riveting position of the round head rivet is arc-shaped.

Preferably, the flat-head rivet connects the spring strip to the side wall of the rotating shaft, the flat-head rivet penetrates from the inside to the outside of the square hole of the rotating shaft, the riveting end face of the flat-head rivet is in an arc shape, and the rotating shaft is connected with the rotating shaft of the pull-wire displacement sensor through the square hole.

Preferably, the spring strip is wound for a plurality of turns around the rotating shaft, and the winding density is increased as the distance from the rotating shaft is increased.

Preferably, the spring strip, the connecting sheet, the flat head rivet, the round head rivet and the rotating shaft are all made of titanium alloy materials.

Preferably, at least four flush rivets are provided for connecting the spring bar to the rotary shaft.

Preferably, the round head rivets for connecting the connecting sheet and the spring strip are arranged side by side in at least two groups, and the number of the round head rivets in each group is at least two.

Compared with the prior art, the utility model discloses at least, including following beneficial effect:

1. dedicated volute spiral spring of big deep-drawing rope displacement sensor become along the radian of spring chamber inner wall through the mounting means with spring strip and stay wire displacement sensor spring chamber inner wall from traditional foldable grafting and pass through button head rivet joint, can change the tensile force of tangential direction from traditional shear stress when the volute spiral spring is unwound, avoided the spring strip because the long-term loose risk of being torn apart of rolling up, install simultaneously and adopt attached on the outer wall of rotation axis and through flat head rivet connection on rotating epaxial spring strip equally, can avoid the arch of rivet to press against bad spring strip like this when the rotation axis rotates the spring strip of rolling up, the life of spring strip has been increased.

The utility model discloses a dedicated volute spiral spring of big deep-water drawstring displacement sensor, other advantages, target and characteristics of the utility model will be embodied partly through the description below, and the part will still be through right the utility model discloses a research and practice and for technical personnel in the field understand.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is the utility model discloses a dedicated volute spiral spring mounting structure schematic diagram of big deep-water guy rope displacement sensor.

Fig. 2 is a schematic structural view of a volute spiral spring dedicated for a large water depth pull rope displacement sensor.

Fig. 3 is a schematic structural view of the special volute spiral spring extension for the large water depth pull rope displacement sensor of the present invention.

Fig. 4 is a schematic structural view of the chamfer in fig. 3.

Fig. 5 is a schematic structural view of the riveted joint 1 in fig. 3.

Fig. 6 is a schematic structural view of the riveted joint 2 in fig. 3.

1 spring strip, 2 connecting pieces, 3 flat head rivets, 4 round head rivets and 5 rotating shafts.

Detailed Description

The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1-6, the utility model provides a dedicated volute spiral spring of big water depth stay rope displacement sensor, include: spring strip 1, connection piece 2, a plurality of flat head rivet 3, a plurality of button head rivet 4, rotation axis 5, the inside of rotation axis 5 is equipped with square through hole, connection piece 2 is through a plurality of button head rivet 4 with the one end of spring strip 1 is connected, the other end of spring strip 1 is through a plurality of flat head rivet 3 with rotation axis 5 is connected, spring strip 1 connection piece 2 flat head rivet 3 the button head rivet 4 the rotation axis 5 all sets up in the spring intracavity of acting as go-between displacement sensor.

The working principle of the technical scheme is as follows: connecting piece 2 and spring bar 1's link is used for fixing on the inner wall in the spring chamber at the spring intracavity of displacement sensor that acts as go-between, the rotation of for whole spiral spring provides the fixed point, connect through button head rivet 4 between connecting piece 2 and the spring bar 1, the button head end of button head rivet 4 after connecting can the joint on the mounting hole of the spring intracavity wall of displacement sensor that acts as go-between, the other end of spring bar 1 is attached on it and is connected through flat head rivet 3 along the external diameter of rotation axis 5 simultaneously, at whole spiral spring in the installation like this, spring bar 1 can not appear folding, thereby avoid long-term loose book to pull to fold the position and lead to spring bar 1 to tear the breakage.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, become the radian along spring chamber inner wall from traditional foldable grafting with the mounting means of acting as go-between displacement sensor spring chamber inner wall and pass through round head rivet 4 joint, can be with the stress when scroll spring unreels change into tangential direction's pulling force from traditional shear stress, avoided spring 1 because the long-term risk of being torn of unreeling, install spring 1 on rotation axis 5 simultaneously and adopt attached on the outer wall of rotation axis 5 and connect through flat head rivet 3 equally, can avoid the arch of rivet to damage spring 1 when rotation axis 5 rotates spring 1 of rolling up like this, the life of spring 1 has been increased.

In one embodiment, the end faces of the connecting pieces 2 are provided with a chamfer corresponding to the direction of twisting.

The working principle of the technical scheme is as follows: after connecting piece 2 and spring bar 1 were installed together, needed the chamfer to handle at the inside one end of spring bar 1, the direction of chamfer and volute spiral spring's torsion direction always, can prevent that long-term loose book from resulting in convex connecting piece 2 to press against out the indentation with spring bar 1, the torn risk of spring bar 1 appears.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, make the chamfer between connecting piece 2 and the spring bar 1 and handle, can prevent to press out the indentation with spring bar 1 because the long-term loose book of volute spiral spring makes connecting piece 2 to lead to spring bar 1 to appear metal fatigue and tear the fracture at last and cause equipment damage.

In one embodiment, the round head end of the round head rivet 4 is clamped in the mounting hole of the inner side wall of the spring cavity of the stay wire displacement sensor, and the end surface of the riveting position of the round head rivet 4 is arc-shaped.

The working principle of the technical scheme is as follows: round-head rivet 4 is connecting after spring strip 1 and connection piece 2, do the chamfer processing with the riveting department, make smooth convex can avoid the pine to roll up in-process fish tail spring strip 1 with the chamfer, the head joint of round-head rivet 4 is in the mounting hole of the spring chamber inner wall of the displacement sensor that acts as go-between simultaneously, both can play fixed effect, can become tangential direction's pulling force with the stress that the in-process received of the pine book of spring strip 1 from traditional shear stress again, the risk that spring strip 1 was torn has been reduced.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, spring bar 1 passes through the joint of button head rivet 4 along the arc of spring chamber inner wall and is in the same place, can effectually change the stress that volute spiral spring pine roll up the in-process and receive into tangential direction's pulling force, greatly reduced the risk that spring bar 1 was torn.

In one embodiment, the flat head rivet 3 connects the spring strip 1 to the side wall of the rotating shaft 5, the flat head rivet 3 penetrates from the inside to the outside of a square hole of the rotating shaft 5, the riveting end face of the flat head rivet 3 is in a circular arc shape, and the rotating shaft 5 is connected with a rotating shaft of a stay wire displacement sensor through the square hole.

The working principle of the technical scheme is as follows: flat head rivet 3 runs through to the outside from the inside of the quad slit of rotation axis 5 when the installation to smooth circular arc chamfer is handled in outside riveting department, when rotation axis 5 was installed in the pivot of acting as go-between displacement sensor like this, square pivot can compress tightly the head of flat head rivet 3, spring bar 1 then can compress tightly riveting department after curling, prevent that long-term loose roll from leading to the not hard up deformation of flat head rivet 3, spring bar 1 is along the attached installation of the outer wall of rotation axis 5 simultaneously, can increase the lifting surface area of spring bar 1 in the loose roll, avoid all pulling forces to concentrate on flat head rivet 3 and lead to spring bar 1 to tear.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, spring bar 1 is attached and is installed on 5 surfaces of rotation axis can effectively increase the lifting surface area of spring bar 1 when the pine is rolled up, avoid whole stress points all to concentrate on flat head rivet 3 department, flat head rivet 3 pierces through to the outside of rotation axis 5 and is done the circular arc chamfer and handles, can push down flat head rivet 3's head in the quad slit through the pivot of acting as go-between displacement sensor, spring bar 1 then can compress tightly riveting department during the curling, thereby prevent that long-term loose roll volute spiral spring from leading to flat head rivet 3 not hard up.

In one embodiment, the spring strip 1 is wound around the rotating shaft 5 for several turns, and the winding density increases as the distance from the rotating shaft 5 increases.

The working principle and the beneficial effects of the technical scheme are as follows: through the design of above-mentioned structure, when spring bar 1 used rotation axis 5 as the centre of a circle winding, by rotation axis 5 to the inner wall direction winding density in spring chamber bigger and bigger, can have more spaces in center department to go to wind spring bar 1 when rotation axis 5 rotated.

In one embodiment, the spring bar 1, the connecting piece 2, the flat head rivets 3, the round head rivets 4 and the rotating shaft 5 are made of titanium alloy materials, at least four flat head rivets 3 are required to be arranged for connecting the spring bar 1 and the rotating shaft 5, at least two groups of round head rivets 4 are required to be arranged side by side for connecting the connecting piece 2 and the spring bar 1, and the number of the round head rivets in each group is at least two.

The working principle of the technical scheme is as follows: in order to adapt to the corrosivity of the pressure of the great depth of water and sea water, traditional 304 steel can not continue to use, so need select titanium alloy material for use and increase volute spiral spring's crushing resistance and corrosion resistance, in order to increase volute spiral spring's life, simultaneously in order to make spring strip 1 and connection piece 2 more stable in the connection installation on the spring chamber inner wall, need at least two sets of button head rivets 4 to place side by side the width that increases the lifting surface, every group needs two button head rivets 4 at least simultaneously, four circles like this, the lifting surface when 4 group one rectangle that the lifting surface rivet 4 constitutes a rectangle can greatly increased and spring chamber inner wall installation, thereby the lifting surface is increased to the one end that installs with rotation axis 5 needs four button head rivets 3 to constitute a rectangle at least.

The beneficial effects of the above technical scheme are that: through the design of the structure, in order to adapt to the pressure resistance of large water depth and the corrosivity of seawater, the volute spiral spring needs to be made of titanium alloy materials, and in order to increase the stress area of the spring strip 1 on the mounting hole in the inner wall of the spring cavity and the stress area of the spring strip 1 on the rotating shaft 5, the round-head rivet 4 and the flat-head rivet 3 are at least four respectively to form a rectangle.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application suitable for this invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details shown and described herein without departing from the general concept defined by the claims and their equivalents.

Claims

1. A special volute spiral spring for a large-water-depth pull rope displacement sensor is characterized by comprising: spring strip (1), connection piece (2), a plurality of flat head rivet (3), a plurality of button head rivet (4), rotation axis (5), the inside of rotation axis (5) is equipped with square through hole, connection piece (2) are through a plurality of button head rivet (4) with the one end of spring strip (1) is connected, the other end of spring strip (1) is through a plurality of flat head rivet (3) with rotation axis (5) are connected, spring strip (1) connection piece (2) flat head rivet (3) button head rivet (4) rotation axis (5) all set up in the spring cavity of acting as go-between displacement sensor.

2. The spiral spring special for the large water depth pull rope displacement sensor according to claim 1, wherein the end surface of the connecting piece (2) is provided with a chamfer corresponding to the twisting direction.

3. The special volute spiral spring for the large water depth stay wire displacement sensor according to claim 1, wherein the round head end of the round head rivet (4) is clamped in a mounting hole in the inner side wall of the spring cavity of the stay wire displacement sensor, and the end surface of the riveted part of the round head rivet (4) is in the shape of a circular arc.

4. The spiral spring special for the large water depth pull rope displacement sensor according to claim 1, wherein the flat head rivet (3) connects the spring strip (1) to the side wall of the rotating shaft (5), the flat head rivet (3) penetrates from the inside to the outside of a square hole of the rotating shaft (5), the riveting end face of the flat head rivet (3) is in a circular arc shape, and the rotating shaft (5) is connected with the rotating shaft of the pull-wire displacement sensor through the square hole.

5. The spiral spring special for the large water depth rope displacement sensor according to claim 1, wherein the spring strip (1) is wound around the rotating shaft (5) for a plurality of circles, and the winding density is increased as the distance from the rotating shaft (5) is increased.

6. The special volute spiral spring for the large water depth pull rope displacement sensor according to claim 1, wherein the spring strip (1), the connecting sheet (2), the flat head rivet (3), the round head rivet (4) and the rotating shaft (5) are all made of titanium alloy materials.

7. Scroll spring dedicated to large water depth rope displacement sensor according to claim 1, characterized in that at least four flush rivets (3) are required for the connection of the spring strip (1) and the rotating shaft (5).

8. The spiral spring special for the large water depth rope displacement sensor according to claim 1, wherein the round head rivets (4) used for connecting the connecting piece (2) and the spring strip (1) need to be arranged side by side in at least two groups, and the number of the round head rivets in each group is at least two.