阅读说明：本技术 一种垫圈 (A kind of washer ) 是由 周超 张文龙 于 2019-08-21 设计创作，主要内容包括：本发明属于垫圈技术领域,具体的说是一种垫圈；包括垫圈本体；垫圈本体设置为弹簧钢材料,且垫圈本体开设有切断口；垫圈本体上开设有多个弧形凹陷槽,且多个弧形凹陷槽的一端的槽深大于另一端的槽深；多个凹陷槽内均安装有弧形薄垫块；相邻弧形凹陷槽之间开设有限位槽,且限位槽内安装有限位金属块,且限位金属块设置为硬质合金材料；弧形薄垫块的一端的厚度大于另一端的厚度,且多块弧形薄垫块在垫圈本体上形成环形垫片结构；止螺母的夹紧力过大而导致垫圈本体出现膨胀的现象；防止垫圈本体的上端面安装的平垫圈在夹紧力过大的状态下出现向下凹陷的现象,进而导致垫圈本体出现胀圈的现象。(The invention belongs to gasket techniques field, specifically a kind of washer；Including washer body；Washer body is set as spring steel material, and washer body offers cut-off port；Multiple arcs recessed groove is offered on washer body, and the groove depth of one end of multiple arcs recessed groove is greater than the groove depth of the other end；The thin cushion block of arc is mounted in multiple recessed grooves；Limiting slot is offered between adjacent arc recessed groove, and limit metal block is installed in limiting slot, and limits metal block and is set as cemented carbide material；The thickness of one end of the thin cushion block of arc is greater than the thickness of the other end, and the thin cushion block of muti-piece arc forms annular gasket structure on washer body；Only the clamping force of nut is excessive and the phenomenon that cause washer body to expand；The phenomenon that plain washer for preventing the upper surface of washer body from installing occurs in the state that clamping force is excessive to lower recess, and then washer body is caused the phenomenon that packing occur.)

1. a kind of washer, it is characterised in that: including washer body (1)；The washer body (1) is set as spring steel material, and Washer body (1) offers cut-off port (11)；Multiple arcs recessed groove (12) are offered on the washer body (1), and multiple The groove depth of one end of arc-shaped recess slot (12) is greater than the groove depth of the other end；The thin cushion block of arc is mounted in multiple recessed grooves (2), and the thin cushion block of arc (2) is set as cemented carbide material, and the thin cushion block of arc (2) and arc-shaped recess hole are interference fit； It is offered limiting slot (13) between adjacent arc recessed groove (12), and limit metal block (3) is installed in limiting slot (13), and limited Position metal block (3) is set as cemented carbide material；The thickness of one end of the thin cushion block of arc (2) is greater than the thickness of the other end, And the thin cushion block of muti-piece arc (2) forms annular gasket structure on washer body (1).

2. a kind of washer according to claim 1, it is characterised in that: be provided on the two sidewalls of the cut-off port (11) convex It rises thin plate (4), and raised thin plate (4) arranges along the sidewalls vertical of cut-off port (11)；Cut-off port (11) one side wall it is convex The raised thin plate (4) for playing thin plate (4) and another side wall, which intersects, to be shifted to install.

3. a kind of washer according to claim 2, it is characterised in that: described protrusion thin plate (4) outer wall is provided with frosted layer, And the tip thickness of raised thin plate (4) is greater than the thickness of raised thin plate (4) bottom end；The raised thin of cut-off port (11) one side wall The top of plate (4) is aligned with the bottom end of the raised thin plate (4) of another side wall.

4. a kind of washer according to claim 3, it is characterised in that: the protrusion thin plate (4) is formed using time processing, And the two sidewalls of raised thin plate (4) are provided with friction protrusion thorn (5), and friction protrusion thorn (5) is obliquely installed；The adjacent protrusion The width on thin plate (4) top is less than the width of raised thin plate (4) bottom end.

5. a kind of washer according to claim 1, it is characterised in that: the arc-shaped recess slot (12) uses time processing shape At, and remain raised burr on the inner wall of arc-shaped recess slot (12)；It is arranged on the side wall of the thin cushion block of arc (2) jagged Side, and burr side and raised burr mutual extrusion cooperate.

6. a kind of washer according to claim 1, it is characterised in that: the inside of the upper and lower ends of the washer body (1) It is offered on wall arc gap (14), and arc gap (14) is located at the thin cushion block of arc (2) inner sidewall.

Technical field

The invention belongs to gasket techniques field, specifically a kind of washer.

Background technique

Washer-shaped is in a kind of fastener of oblate annular.It is placed in the supporting surface and union piece of bolt, screw or nut It between surface, plays increase and is connected feature contacts surface area, reduce compressive load per unit area and protect being connected piece surface Not impaired effect；Another kind of elastic washer, moreover it is possible to play a part of preventing nut Hui Song.

Spring washer and threaded fastener are used as the mechanical basic part being fastenedly connected, and are widely used in the company often dismantled Socket part position.The structure of spring washer generally has the annulus of an angle, it relies on high resiliency and the angle side of spring washer The acute angle cutting edge that edge is formed prevents the loosening of fastener, to avoid the loosening of connected piece or the caused mechanical part that falls off Function is scattered and disappeared or even accident occurs.

And existing spring washer is when in use, since most spring washer uses spring steel material, when tightening for nut It is excessive when, the phenomenon that being easy to make spring washer to generate packing；If being easy to iris out plain cushion added with plain washer on spring washer The phenomenon that now squeezing recess；If tightening for nut is too small, the safe operation of connector is influenced.

Summary of the invention

In order to make up for the deficiencies of the prior art, a kind of washer proposed by the present invention, it is existing present invention is mainly used for solution Spring washer when in use, due to most spring washer use spring steel material, when nut tighten it is excessive when, be easy to make Spring washer generates the phenomenon that packing；If added with plain washer on spring washer being easy that plain washer is made to occur squeezing showing for recess As；If tightening for nut is too small, the safe operation of connector is influenced.

The technical solution adopted by the present invention to solve the technical problems is: a kind of washer of the present invention, including washer Ontology；The washer body is set as spring steel material, and washer body offers cut-off port；It is offered on the washer body Multiple arcs recessed groove, and the groove depth of one end of multiple arcs recessed groove is greater than the groove depth of the other end；In multiple recessed grooves It is mounted on the thin cushion block of arc, and the thin cushion block of arc is set as cemented carbide material, and the thin cushion block of arc is with arc-shaped recess hole Interference fit；Limiting slot is offered between adjacent arc recessed groove, and limit metal block is installed in limiting slot, and limits metal Block is set as cemented carbide material；The thickness of one end of the thin cushion block of arc is greater than the thickness of the other end, and muti-piece arc is thin Cushion block forms annular gasket structure on washer body；When work, first the thin cushion block of arc is installed to by mechanical press mode In arc-shaped recess slot, one end of the thin cushion block of arc is tilted, while limit metal block being pressed in limiting slot；Arc is recessed simultaneously The depth for falling into slot is shallower, and does not influence the installation of the thin cushion block of arc；When needing using washer body, washer body is socketed in On the threaded rod or threaded post of connected piece, and washer body bottom face is contacted with the upper surface of connected piece, not with nut Break and rotated on threaded rod, the bottom face of nut can take the lead in contacting with the upper surface of the thin cushion block of muti-piece arc, not with nut Break mobile to connected piece upper surface, the clamping force for tightening process generation of nut can make the thin cushion block of arc press to arc-shaped recess In slot, as the clamping force of nut constantly increases, the clamping force of nut can make washer body cut-off port and connector it is outer Surface contact, enables washer body to play the role of pre-tensioned；Pass through the thin cushion block energy of the arc of the cemented carbide material of setting The pushing area for enough increasing washer body upper surface pretightning force, prevents the clamping force of nut excessive and causes washer body appearance swollen Swollen phenomenon；There is showing to lower recess in the state that clamping force is excessive in the plain washer for preventing the upper surface of washer body from installing As, and then washer body is caused the phenomenon that packing occur；The limit metal block of setting prevents the extruding force mistake of the thin cushion block of arc Greatly, cause arc-shaped recess slot there is a phenomenon where being squeezed and deformed, and then influence the stability of washer body.

Preferably, raised thin plate is provided on the two sidewalls of the cut-off port, and raised thin plate is along the side wall of cut-off port It is vertically arranged；The raised thin plate of the cut-off port one side wall intersects with the raised thin plate of another side wall to be shifted to install；When work, when When the one side wall of cut-off port is pressed down against under the action of clamping force, raised thin plate arranged in a crossed manner can lead in cut-off port one side wall It crosses between adjacent two pieces that extruding force being inserted into along the vertical direction is arranged on another side wall of cut-off port raised thin plates, makes cut-off port The raised thin plate being arranged on two sidewalls is mutually inserted under the action of clamping force to be superimposed together, and the raised thin plate of overlapping can be right Cut-off port plays the role of tensioning limiting, prevents the clamping force of nut excessive and leads to occur the phenomenon that packing at cut-off port.

Preferably, the raised thin plate outer wall is provided with frosted layer, and the tip thickness of raised thin plate is greater than raised thin plate The thickness of bottom end；The bottom end of the raised thin plate on the top and another side wall of the raised thin plate of the cut-off port one side wall is aligned； When work, when one side wall raised thin plate by extruding force along the vertical direction be inserted into another side wall of cut-off port it is adjacent two pieces it is convex After rising between thin plate；The frosted layer of setting, the frictional force being capable of increasing between the raised thin plate to contact with each other effectively prevent from working as When the clamping force of nut is excessive, the phenomenon that raised thin plate to contact with each other is detached from, and then lead to occur packing at cut-off port The phenomenon that.

Preferably, the raised thin plate is formed using time processing, and the two sidewalls of raised thin plate are provided with friction protrusion Thorn, and friction protrusion thorn is obliquely installed；The width on the adjacent raised thin plate top is less than the width at raised thin board bottom end；Work When, raised thin plate is formed using time processing, is capable of increasing the roughness of the outer wall of raised thin plate, and then increase adjacent contact Frictional force between raised thin plate；The friction protrusion thorn of setting simultaneously, when the clamping force of nut is excessive, the protrusion that contacts with each other Frictional force between thin plate can make to generate phase mutual friction between friction protrusion thorn, and the friction protrusion thorn of phase mutual friction can reduce phase The distance between adjacent two pieces of raised thin plates, and then reduce the break-off between adjacent two pieces raised thin plates；The mistake of nut simultaneously Big clamping force can be such that raised thin plate is squeezed and deformed, while under the cooperation of the friction protrusion of phase mutual friction thorn, Jin Erzeng Friction contact load between the big contact projection thin plate that is superimposed with each other, further reduces and sends out between cut-off port because clamping force is excessive The phenomenon that raw packing.

Preferably, the arc-shaped recess slot is formed using time processing, and remains protrusion on the inner wall of arc-shaped recess slot Burr；Jagged side is set on the side wall of the thin cushion block of arc, and burr side and raised burr mutual extrusion cooperate；Work When, cooperated by burr side and raised burr mutual extrusion, can prevent the thin cushion block of arc from taking off under the clamping of clamping force From the phenomenon that, while the frictional force being capable of increasing between the thin cushion block of arc and arc-shaped recess slot prevents clamping force excessive and causes There is quickly the phenomenon that lower recess in arc-shaped recess slot, and then the phenomenon that cause washer body to be squeezed and deformed.

Preferably, arc gap, and arc gap position are offered on the inner sidewall of the upper and lower ends of the washer body At the thin cushion block inner sidewall of arc；When work, arc gap is offered on the inner sidewall of the upper and lower ends of washer body, it can Increase the brake force of washer body, while playing preferable loosening effect.

Beneficial effects of the present invention are as follows:

1. the present invention is capable of increasing washer body upper surface by the thin cushion block of arc for the cemented carbide material being arranged and pre-tightens The pushing area of power, the phenomenon that preventing the clamping force of nut excessive and washer body is caused to expand；Prevent washer body The phenomenon that plain washer of upper surface installation occurs in the state that clamping force is excessive to lower recess, and then washer body is caused to occur The phenomenon that packing；The limit metal block of setting prevents the extruding force of the thin cushion block of arc excessive, and arc-shaped recess slot is caused to occur to squeeze The phenomenon that compressive strain, and then influence the stability of washer body.

2. the present invention can reduce phase by the cooperation of raised thin plate and friction protrusion thorn, the friction protrusion thorn of phase mutual friction The distance between adjacent two pieces of raised thin plates, and then reduce the break-off between adjacent two pieces raised thin plates；The mistake of nut simultaneously Big clamping force can be such that raised thin plate is squeezed and deformed, while under the cooperation of the friction protrusion of phase mutual friction thorn, Jin Erzeng Friction contact load between the big contact projection thin plate that is superimposed with each other, further reduces and sends out between cut-off port because clamping force is excessive The phenomenon that raw packing.

Detailed description of the invention

The present invention will be further explained below with reference to the attached drawings.

Fig. 1 is perspective view of the invention；

Fig. 2 is the installation diagram of the thin cushion block of washer body and arc of the invention；

Fig. 3 is the installation diagram of washer body and raised thin plate of the invention；

Fig. 4 is partial enlarged view at A in Fig. 3 of the present invention；

In figure: the thin cushion block 2 of washer body 1, cut-off port 11, arc-shaped recess slot 12, limiting slot 13, arc gap 14, arc, Limit metal block 3, raised thin plate 4, friction protrusion thorn 5.

Specific embodiment

It is carried out using a kind of washer of Fig. 1-Fig. 4 to an embodiment of the present invention as described below.

As Figure 1-Figure 4, a kind of washer of the present invention, including washer body 1；The washer body 1 is set as Spring steel material, and washer body 1 offers cut-off port 11；Multiple arcs recessed groove 12 is offered on the washer body 1, and The groove depth of one end of multiple arcs recessed groove 12 is greater than the groove depth of the other end；The thin pad of arc is mounted in multiple recessed grooves Block 2, and the thin cushion block 2 of arc is set as cemented carbide material, and the thin cushion block 2 of arc and arc-shaped recess hole are interference fit；It is adjacent Limiting slot 13 is offered between arc-shaped recess slot 12, and limit metal block 3 is installed in limiting slot 13, and is limited metal block 3 and set It is set to cemented carbide material；The thickness of one end of the thin cushion block 2 of arc is greater than the thickness of the other end, and the thin cushion block of muti-piece arc 2 form annular gasket structure on washer body 1；When work, the thin cushion block 2 of arc is first installed to arc by mechanical press mode In shape recessed groove 12, one end of the thin cushion block 2 of arc is tilted, while limit metal block 3 being pressed in limiting slot 13；Arc simultaneously The depth of shape recessed groove 12 is shallower, and does not influence the installation of the thin cushion block 2 of arc；When needing using washer body 1, by washer sheet Body 1 is socketed on the threaded rod or threaded post of connected piece, and 1 bottom face of washer body is contacted with the upper surface of connected piece, As nut constantly rotates on threaded rod, the bottom face of nut can take the lead in contacting with the upper surface of the thin cushion block 2 of muti-piece arc, with Nut it is continuous mobile to connected piece upper surface, the clamping force for tightening process generation of nut can be such that the thin cushion block 2 of arc presses It closes in arc-shaped recess slot 12, as the clamping force of nut constantly increases, the clamping force of nut can make the cutting of washer body 1 The appearance face contact of mouth 11 and connector, enables washer body 1 to play the role of pre-tensioned；Pass through the hard alloy material of setting The thin cushion block 2 of the arc of material is capable of increasing the pushing area of 1 upper surface pretightning force of washer body, prevent the clamping force of nut excessive and The phenomenon that causing washer body 1 to expand；The plain washer for preventing the upper surface of washer body 1 from the installing shape excessive in clamping force The phenomenon that occurring under state to lower recess, and then washer body 1 is caused the phenomenon that packing occur；The limit metal block 3 of setting, prevents The extruding force of the thin cushion block 2 of arc is excessive, and causes arc-shaped recess slot 12 there is a phenomenon where being squeezed and deformed, and then influences washer body 1 stability.

As shown in figs 2-4, it is provided with raised thin plate 4 on the two sidewalls of the cut-off port 11, and raised thin plate 4 is along cutting The sidewalls vertical of fracture 11 arranges；The raised thin plate 4 and the raised thin plate 4 of another side wall of 11 one side wall of cut-off port intersect mistake Position setting；When work, when the one side wall of cut-off port 11 is pressed down against under the action of clamping force, 11 one side wall of cut-off port is submitted Pitch setting raised thin plate 4 can by extruding force along the vertical direction be inserted into be arranged on another side wall of cut-off port 11 adjacent two Between block protrusion thin plate 4, the raised thin plate 4 being arranged on 11 two sidewalls of cut-off port is made to be mutually inserted overlapping under the action of clamping force Together, the raised thin plate 4 of overlapping can play the role of tensioning limiting to cut-off port 11, prevent the clamping force of nut excessive and Lead to the phenomenon that packing occur at cut-off port 11.

As shown in figs 2-4, raised 4 outer wall of thin plate is provided with frosted layer, and the tip thickness of raised thin plate 4 is greater than The thickness of raised 4 bottom end of thin plate；The top of the raised thin plate 4 of 11 one side wall of cut-off port and the raised thin plate 4 of another side wall Bottom end alignment；When work, when one side wall raised thin plate 4 by extruding force along the vertical direction to be inserted into cut-off port 11 another After between the adjacent two pieces of raised thin plates 4 of one side wall；The frosted layer of setting is capable of increasing between the raised thin plate 4 to contact with each other Frictional force, the phenomenon that effectively preventing the raised thin plate 4 when the clamping force of nut is excessive, to contact with each other to be detached from, in turn Lead to the phenomenon that packing occur at cut-off port 11.

As shown in figs 2-4, the raised thin plate 4 is formed using time processing, and the two sidewalls of raised thin plate 4 are provided with Friction protrusion thorn 5, and friction protrusion thorn 5 is obliquely installed；The width on 4 top of the adjacent raised thin plate is less than 4 bottom of raised thin plate The width at end；When work, raised thin plate 4 is formed using time processing, is capable of increasing the roughness of the outer wall of raised thin plate 4, into And increase the frictional force between the raised thin plate 4 of adjacent contact；The friction protrusion thorn 5 of setting simultaneously, when the clamping force mistake of nut When big, the frictional force between raised thin plate 4 to contact with each other can make to generate phase mutual friction, phase mutual friction between friction protrusion thorn 5 Friction protrusion thorn 5 can reduce the distance between adjacent two pieces of raised thin plates 4, and then reduce adjacent two pieces raised thin plates 4 it Between break-off；The excessive clamping force of nut can be such that raised thin plate 4 is squeezed and deformed simultaneously, while in phase mutual friction Under the cooperation of friction protrusion thorn 5, and then increase the friction contact load between the contact projection thin plate 4 that is superimposed with each other, further decreases Due to clamping force is excessive there is a phenomenon where packings between cut-off port 11.

As shown in figs 2-4, the arc-shaped recess slot 12 is formed using time processing, and on the inner wall of arc-shaped recess slot 12 Remain raised burr；Jagged side, and burr side and raised burr mutual extrusion are set on the side wall of the thin cushion block 2 of arc Cooperation；When work, is cooperated by burr side and raised burr mutual extrusion, the thin cushion block 2 of arc can be prevented in the folder of clamping force It tight lower the phenomenon that being detached from, while the frictional force being capable of increasing between the thin cushion block 2 of arc and arc-shaped recess slot 12, prevents from clamping Power is excessive and arc-shaped recess slot 12 is caused the phenomenon that lower recess occur quickly, and then washer body 1 is caused to be squeezed and deformed The phenomenon that.

As shown in figure 3, offering arc gap 14 on the inner sidewall of the upper and lower ends of the washer body 1, and arc Gap 14 is located at thin 2 inner sidewall of cushion block of arc；When work, arc is offered on the inner sidewall of the upper and lower ends of washer body 1 Shape gap 14, is capable of increasing the brake force of washer body 1, while playing preferable loosening effect.

Specific workflow is as follows:

When work, the thin cushion block 2 of arc is installed in arc-shaped recess slot 12 by mechanical press mode first, makes the thin pad of arc One end of block 2 tilts, while limit metal block 3 being pressed in limiting slot 13；The depth of arc-shaped recess slot 12 is shallower simultaneously, and The installation of the thin cushion block 2 of arc is not influenced；When needing using washer body 1, washer body 1 is socketed in the screw thread of connected piece On bar or threaded post, and 1 bottom face of washer body is contacted with the upper surface of connected piece, as nut turns constantly on threaded rod Dynamic, the bottom face of nut can take the lead in contacting with the upper surface of the thin cushion block 2 of muti-piece arc, continuous on connected piece with nut Surface is mobile, and the clamping force for tightening process generation of nut can be such that the thin cushion block 2 of arc presses in arc-shaped recess slot 12, with spiral shell Female clamping force constantly increases, and the clamping force of nut can make the cut-off port 11 of washer body 1 and the appearance face contact of connector, Washer body 1 is set to play the role of pre-tensioned.

In the description of the present invention, it is to be understood that, term " center ", "front", "rear", "vertical", "horizontal", The orientation or positional relationship of the instructions such as "top", "bottom" "inner", "outside" be based on the orientation or positional relationship shown in the drawings, be only for Convenient for the description present invention and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the scope of the invention.

Although the present invention be illustrated by specific embodiment, it will be appreciated by those skilled in the art that, do not departing from In the case where the scope of the invention, various transformation and equivalent substitute can also be carried out to the present invention.In addition, being directed to particular condition or material Material, can do various modifications to the present invention, without departing from the scope of the present invention.Therefore, the present invention is not limited to disclosed tool Body embodiment, and should include the whole embodiments fallen within the scope of the appended claims.