CN206386328U - Fluid pressure cylinder end cap and fluid pressure cylinder - Google Patents

Fluid pressure cylinder end cap and fluid pressure cylinder Download PDF

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Publication number
CN206386328U
CN206386328U CN201621357877.7U CN201621357877U CN206386328U CN 206386328 U CN206386328 U CN 206386328U CN 201621357877 U CN201621357877 U CN 201621357877U CN 206386328 U CN206386328 U CN 206386328U
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China
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fluid pressure
skull
pressure cylinder
bowl cover
port
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CN201621357877.7U
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Chinese (zh)
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八重樫诚
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SMC Corp
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SMC Corp
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Abstract

A kind of free degree in arrangement of pipe arrangement is higher and easy-to-use fluid pressure cylinder end cap and fluid pressure cylinder for a user.Fluid pressure cylinder (10) has:Earthen pipe (12), it is formed as hollow form, internally with cylinder chamber;Skull (14), it is assemblied in the one end of earthen pipe (12), and the one end of cylinder chamber is closed;And bowl cover (16), it is assemblied in the other end of earthen pipe (12), and the other end of cylinder chamber is closed, and the piston rod (22) that the piston of the inside with being arranged at cylinder chamber links is remained into axially displacement freely.Skull (14) and each leisure of bowl cover (16) more than two sides orthogonal with the axial direction of earthen pipe (12), which have, supplies/the input/output port (14a, 14c, 14h, 14j, 16a, 16c, 16h, 16j) of discharge pressure fluid to cylinder chamber.

Description

Fluid pressure cylinder end cap and fluid pressure cylinder
Technical field
The utility model is related to the fluid pressure cylinder for the end cap and assembling of the fluid pressure cylinder end cap.
Background technology
In the past, component was transported as workpiece etc., for example, is known to the work that bottom offset is acted on the supply in pressure fluid The fluid pressure cylinder of plug.
Such fluid pressure cylinder for example with:Earthen pipe, it is formed as hollow cylindrical, internally with cylinder chamber;Skull, It closes the one end of the earthen pipe;Piston, it is built in earthen pipe;Bowl cover, it is assemblied in the other end of earthen pipe, will be with piston The piston rod of link remains displacement freely.
In addition, for supply/discharge pressure fluid into earthen pipe, input/output terminal is respectively arranged with skull and bowl cover Mouthful.
Also, when from when being arranged at the input/output port of skull side to the inside supply pressure fluid of earthen pipe, piston exists Make to be arranged in the state of the piston seal of outer peripheral face and earthen pipe sliding contact along the earthen pipe axially to the displacement of bowl cover side. On the contrary, when from the input/output port supply pressure fluid for being arranged at bowl cover side, the piston be pressed and axially to Skull side displacement (for example, referring to Unexamined Patent 9-133109 publications).
Under normal circumstances, in above-mentioned fluid pressure cylinder, the position of the input/output port in skull and bowl cover is limited Due to a position, the supply pipe and discharge pipe of pressure fluid are ordinatedly arranged in the position of user and input/output port.Therefore, In the presence of following problem:In the absence of the free degree in the arrangement of pipe arrangement, ease of use is deteriorated for user side.
Utility model content
Therefore, the purpose of this utility model is that the free degree in the arrangement there is provided pipe arrangement is higher and for a user Easy-to-use fluid pressure cylinder end cap and the fluid pressure cylinder for assembling the end cap.
In order to reach above-mentioned purpose, end cap of the present utility model is assemblied in the end of the earthen pipe with cylinder chamber internally, Cylinder chamber is closed, the end cap more than two sides orthogonal in the axial direction of the earthen pipe with being assembled, which have, to be used to supply to cylinder chamber Input/output port to/discharge pressure fluid.
, can be from setting by the way that the end cap constituted as described above is assembled in into fluid pressure cylinder according to the utility model Selection is suitable for the port in pipe arrangement direction to carry out pipe arrangement connection in multiple input/output ports of more than two sides.Cause This, the free degree in the arrangement of pipe arrangement is uprised, and is easily used for a user.
It is preferred that end cap of the present utility model is set into bowl cover, the bowl cover has bar maintaining part, and the bar maintaining part is in the bar The central portion of lid axially runs through, and the piston rod that the piston of the inside with being arranged at cylinder chamber links is remained into axially position Be moved from as.Thereby, it is possible to be assembled in the fluid pressure cylinder of the type with piston rod.
In addition, the input/output port of end cap can also in a side with different diameter dimensions be formed with two with On.The input/output port of pipe arrangement thereby, it is possible to select to be suitable for different diameter dimensions is attached.
End cap of the present utility model can also have in axial direction in the end face of the opposite side of the end face with being equipped with earthen pipe The axial port of upper shed.Thus, due to the pipe arrangement extended axially parallel with earthen pipe etc. can be made to be connected with axial port, The free degree in arrangement therefore, it is possible to further improve pipe arrangement.
In addition, end cap can also have the hole portion assembled for trimmer valve in any one party of more than two sides.Thus, It can select optimal face that trimmer valve is assemblied in into hole portion from more than two sides.
In addition, end cap can also be skull.
Further, fluid pressure cylinder of the present utility model is characterised by having:Earthen pipe, it is formed as hollow form, inside Portion has cylinder chamber;Skull, it is assemblied in the one end of earthen pipe, and the one end of cylinder chamber is closed;And bowl cover, it is assemblied in earthen pipe The other end, the other end of cylinder chamber is closed, and the piston rod that the piston of the inside with being arranged at cylinder chamber links is protected Hold as axially displacement freely, skull and each leisure of bowl cover more than two sides orthogonal with the axial direction of earthen pipe have to cylinder The input/output port of room supply/discharge pressure fluid.
, can be defeated from multiple inputs set by the respective more than two sides of skull and bowl cover according to the utility model Selection is suitable for the port in pipe arrangement direction to carry out pipe arrangement connection in exit port.Therefore it provides the free degree in the arrangement of pipe arrangement Uprise and easy-to-use fluid pressure cylinder for a user.
In addition, skull and bowl cover can also each have in a side with two of different diameter dimension formation with On input/output port.The input/output port of pipe arrangement thereby, it is possible to select to be suitable for different diameter dimensions is carried out Connection.
In addition, fluid pressure cylinder of the present utility model can also have the tube axial that is extended parallel to earthen pipe, skull and The end face that each leisure of bowl cover is equipped with the side of earthen pipe has the pipe mounting hole being open in the axial direction, the both ends difference of tube axial Link with the pipe mounting hole of relative configuration.Thereby, it is possible to pass through the circuitous of tube axial formation pressure fluid between skull and bowl cover Backflow road.A side of skull side or bowl cover side is concentrated on therefore, it is possible to the link position that makes pipe arrangement and input/output port, and And can further improve the free degree in the arrangement of pipe arrangement.
In addition, skull and bowl cover can also each have axially in the end face of the opposite side of the end face with being equipped with earthen pipe Port, the axial port is open in the axial direction, and is connected with cylinder chamber.Thereby, it is possible to make to extend axially parallel with earthen pipe Pipe arrangement etc. is connected with axial port.The free degree in arrangement therefore, it is possible to further improve pipe arrangement.
In addition, input/output port and axial port can also be detachably equipped with and the input/output terminal respectively The closing cock that mouth and the diameter dimension of the axial port are correspondingly formed.Thereby, it is possible to arbitrarily that used input is defeated Port closed beyond exit port, for the different various pipe arrangements of pipe arrangement direction, aperture position, can select optimal input defeated Exit port is attached.The free degree in arrangement therefore, it is possible to further improve pipe arrangement.
According to end cap of the present utility model, due to having in the more than two sides orthogonal with the axial direction of earthen pipe to cylinder chamber The input/output port of supply/discharge pressure fluid, therefore supply pipe that user can be with pressure fluid and the position of discharge pipe Ordinatedly select optimal input/output port, and connecting pipings.Therefore, if the end cap so constituted is assembled in into fluid pressure Power cylinder, then can obtain that the free degree in the arrangement of pipe arrangement is higher and easy-to-use fluid pressure cylinder for a user.
According to the explanation of following embodiment described with reference to the accompanying drawings, it is readily appreciated that above-mentioned purpose, feature and Advantage.
Brief description of the drawings
Fig. 1 is the stereoscopic figure of the fluid pressure cylinder of the 1st embodiment of the present utility model.
Stereoscopic figure when Fig. 2 is the fluid pressure cylinder shown in Fig. 1 from obliquely downward.
Fig. 3 is the stereogram of the skull shown in Fig. 1 from face side.
Fig. 4 is the stereogram of the skull shown in Fig. 3 from rear side.
Fig. 5 is the sectional view of the skull along Fig. 4 V-V lines.
The stereogram of bowl covers of the Fig. 6 from face side shown in Fig. 1.
The stereogram of bowl covers of the Fig. 7 from rear side shown in Fig. 6.
Fig. 8 is the sectional view of the bowl cover along Fig. 7 VIII-VIII lines.
Stereoscopic figure when Fig. 9 is the fluid pressure cylinder of the 2nd embodiment of the present utility model from skull side.
Stereoscopic figure when Figure 10 is the fluid pressure cylinder shown in Fig. 9 from bowl cover side.
Embodiment
On fluid pressure cylinder end cap of the present utility model, in the Fluid pressure with assembling the fluid pressure cylinder end cap Enumerated preferred embodiment in the relation of cylinder, while one side progress is explained in detail below referring to the drawings.
The embodiment > of < the 1st
Fig. 1 is the stereoscopic figure of the fluid pressure cylinder 10 of the 1st embodiment of the present utility model.Fig. 2 is from obliquely downward Observe the stereoscopic figure during fluid pressure cylinder 10 shown in Fig. 1.
Fluid pressure cylinder 10 is included:Earthen pipe 12, it is formed as hollow form, internally with cylinder chamber;Skull (one group of end cap A side) 14, it is assemblied in the one end of earthen pipe 12;Bowl cover (the opposing party of one group of end cap) 16, it is assemblied in earthen pipe 12 The other end, the other end of cylinder chamber is closed, and the piston rod that will link with the piston (omit and illustrate) for being arranged at cylinder chamber 22 remain axially (arrow A-B directions), and displacement is freely;And multiple run through bolt 20, it makes earthen pipe 12 be in centre, Skull 14 and bowl cover 16 are interconnected using edged surface portion.In addition, skull 14 and bowl cover 16 are with mutually relative mode and earthen pipe 12 configure point-blank together.
Earthen pipe 12 is, for example, the cylinder for the hollow form for being formed as section circle shape by laminal metallic material (such as aluminium) Body.With constant diameter and constant thickness, axially (arrow A, B directions) extends the earthen pipe 12, its both ends and shape respectively It is (aftermentioned) chimeric into the endless groove in skull 14 and the end face of bowl cover 16.Thus, the center of earthen pipe 12 is positioned as and skull 14 It is in the center of bowl cover 16 on coaxial, in the cylinder chamber that its Inner Constitution is closed.
The block for the section substantially rectangular shape that skull 14 is integrally formed for example by casting is constituted.Skull 14 exists The more than two sides orthogonal with the axial direction of earthen pipe 12, which have to cylinder chamber, supplies/the input/output port of discharge pressure fluid. Specifically, it is provided with the side S1 of skull 14:Path port 14a, it is used as the input/output port as benchmark;Buffering Valve mounting hole 14b, it is internally provided with trimmer valve (omitting diagram), and the trimmer valve is used to enter the velocity of displacement of piston rod 22 Row adjustment;As the bigger diameter end mouthful 14c of input/output port, it is formed with the diameter dimension bigger than path port 14a;And stream Road forms and uses hole 14d, and it provides that the position of the new stream of pressure fluid can be formed.
In addition, being provided with two stream formation hole 14e, 14f and trimmer valve mounting hole 14g in the side S2 of skull 14. In such a situation it is preferred that the diameter that stream formation is sized with hole 14e, 14f in the different mode of respective diameter.Also, As shown in Fig. 2 being provided with path port 14h, trimmer valve mounting hole 14i, bigger diameter end mouthful 14j and stream in the side S3 of skull 14 Road forms and uses hole 14k.So, skull 14 has in a side with more than two inputs of different diameter dimension formation Output port (path port, bigger diameter end mouthful).
As shown in Fig. 2 skull 14 has as input and output in the end face of the end face opposite side with being equipped with earthen pipe 12 Axial port 14m, 14n of port, axial port 14m, 14n is in axial direction (in Fig. 2, arrow B directions) upper shed, and and cylinder chamber Link.
In addition, in the present embodiment, in the side of skull 14, be respectively formed in the side S1 orthogonal with the axial direction of earthen pipe 12, S3 and be equipped with earthen pipe 12 face multiple input/output ports (path port 14a, 14h, bigger diameter end mouthful 14c, 14j, axial end Mouthful 14m, 14n) constitute it is as follows:Closed in shaping by thin-walled, enclosure portion is removed and connects them by user as needed. In this case, can also only by the predetermined advance perforate of the input/output port used, using bolt by remaining port sealing come Use.
Fig. 3 is the stereogram of the skull 14 shown in Fig. 1 from face side, and Fig. 4 is the head shown in Fig. 3 from rear side The stereogram of lid 14.As shown in Figure 3 and Figure 4, skull 14 has:Run through bolt inserting hole 14p, it is inserted for run through bolt 20; 1st rod aperture 14q, it is relative with the end face of piston described later;1st pit part 14r, it is fitted together to for the one end of earthen pipe 12;Run through Hole 14s, it is respectively communicated with trimmer valve mounting hole 14b, 14g, 14i;And pipe mounting hole 14t, 14u, it is being equipped with earthen pipe The end face of 12 side is open in the axial direction.
Run through bolt inserting hole 14p is respectively formed in four angles of skull 14, axially runs through.1st rod aperture 14q with compared with Big area is formed at the central portion of skull 14.The buffer sealing part for being provided with ring-type in the 1st rod aperture 14q inner peripheral surface (is omitted Diagram).Here, (omit and illustrate) as buffer sealing part, use the sealing of the lip type type of the sealing function with one-way Part.The state contacted in piston close to the 1st pit part 14r, the inner peripheral portion of buffer sealing part with the peripheral part of buffering ring described later Under, the space that the buffer sealing part of the side of skull 14 will be formed between the 1st pit part 14r and the end face of piston from cylinder chamber (hereinafter referred to as the 1st surge chamber.) towards the 1st rod aperture 14q pressure fluid flowing cut-out.On the contrary, ought be in this condition from defeated When entering output port to the 1st rod aperture 14q supply pressure fluids, the lip portion of pressure fluid jack-up buffer sealing part, Neng Gou Gap is formed between the peripheral part of buffering ring.Its result is that buffer sealing part is allowed from the 1st rod aperture 14q the 1st surge chambers of direction The flowing of the pressure fluid of side.
1st pit part 14r is formed as taper:Protruded from the end face of skull 14 with section circle shape, and outer peripheral face It is directed away from the direction of end face gradually undergauge.Specifically, the 1st pit part 14r is in order in die castings such as utilization die casting To manufacture the pattern draft for being removed from the molds casting piece during skull 14 and setting.
3 through hole 14s are axially formed in the 1st pit part 14r along earthen pipe 12.When piston is close to the row of the side of skull 14 During journey terminal, pressure fluid in the 1st surge chamber through through hole 14s, trimmer valve mounting hole 14b, the 1st rod aperture 14q and from The input/output port discharge of 1st rod aperture 14q connections.In the case where using path port 14a as input/output port, lead to Discharge of the position for the trimmer valve (omitting diagram) crossed in trimmer valve mounting hole 14b to the pressure fluid from the 1st surge chamber side Flow is adjusted.In other words, the position adjustment of trimmer valve makes net sectional area amplification/diminution of exhaust flow path.Therefore, convection current Amount is adjusted, and the buffer capacity for stopping piston to resiliency is adjusted.In addition, when trimmer valve is located at trimmer valve mounting hole In 14b during position most deep, the stream between through hole 14s and the 1st rod aperture 14q turns into totally-enclosed.
Fig. 5 is the sectional view of the skull 14 along Fig. 4 V-V lines.Here, it is readily apparent that the side S1 for being arranged at skull 14 Path port 14a and trimmer valve mounting hole 14b the 1st rod aperture 14q inner peripheral surface respectively position P with connected on the Q of position. That is, show to use path port 14a as the situation of input/output port in the side of skull 14.In addition, other input/output terminals Mouth (path port 14h, bigger diameter end mouthful 14c, 14j, axial port 14m, 14n) is not connected with the 1st rod aperture 14q inner peripheral surface, but It is advance with the size that can be easily connected by the working process for implementing to make the rod aperture 14q of Kong Xiang 1 direction somewhat extend Formed.That is, in the fabrication stage of skull 14, using the shape for easily forming input/output port in a plurality of directions, so as to energy It is enough corresponding with the position of the supply pipe of pressure fluid, the various pipe arrangement directions of discharge pipe, opening portion.
As shown in Figure 6 and Figure 7, bowl cover 16 is same with skull 14, and what is be integrally formed for example by casting cuts The block of face substantially rectangular shape is constituted.Bowl cover 16 has in more than two sides orthogonal with the axial direction of earthen pipe 12 to be supplied to cylinder chamber Input/output port to/discharge pressure fluid.As depicted in figs. 1 and 2, it is provided with the side S5 of bowl cover 16:Path port 16a, it is used as the input/output port as benchmark;Trimmer valve mounting hole 16b, it is internally provided with trimmer valve and (saves sketch map Show), the trimmer valve is used to be adjusted the velocity of displacement of piston rod 22;As the bigger diameter end mouthful 16c of input/output port, its Diameter dimension is bigger than path port 16a;And hole 16d is used in stream formation, it can form the new stream of pressure fluid.
Also, the side S6 of bowl cover 16 is provided with two stream formation hole 16e, 16f and trimmer valve mounting hole 16g. In such a situation it is preferred that the diameter that stream formation is sized with hole 16e, 16f in the different mode of respective diameter.Also, As shown in Fig. 2 being provided with path port 16h, trimmer valve mounting hole 16i, bigger diameter end mouthful 16j and stream in the side S7 of bowl cover 16 Road forms and uses hole 16k.That is, bowl cover 16 has with different straight respectively from more than two sides that the axial direction of earthen pipe 12 is orthogonal More than two input/output ports (path port, bigger diameter end mouthful) of footpath size formation.In addition, in the present embodiment, making Path port 14a, 14h of the side of skull 14 and path port 16a, 16h of the side of bowl cover 16 are formed with identical diameter dimension.Together Sample, make the side of skull 14 bigger diameter end mouthful 14c, 14j and the side of bowl cover 16 bigger diameter end mouthful 16c, 16j with identical diameter dimension shape Into.
Also, as shown in figure 1, bowl cover 16 has as input in the end face of the end face opposite side with being equipped with earthen pipe 12 Axial port 16m, 16n of output port, axial port 16m, 16n in axial direction (arrow A directions in Fig. 1) upper shed, and with Cylinder chamber links.
In addition, in the present embodiment, in the side of bowl cover 16, be respectively formed at the side S5 orthogonal with the axial direction of earthen pipe 12, S7 and multiple input/output ports (path port 16a, 16h, bigger diameter end mouthful 16c, 16j, the axial direction being equipped with the face of earthen pipe 12 Port 16m, 16n) constitute it is as follows:Closed in shaping by thin-walled, enclosure portion is removed and connects them by user as needed It is logical.
In this case, bowl cover 16 has:Run through bolt inserting hole 16p, it is inserted for run through bolt 20;2nd rod aperture 16q, it is inserted for piston rod 22;2nd pit part 16r, it is chimeric with the other end of earthen pipe 12;Through hole 16s, itself and buffering Valve mounting hole 16b, 16g, 16i are respectively communicated with;Pipe mounting hole 16t, 16u, it is being equipped with the end face of the side of earthen pipe 12 along axle To opening;And bar maintaining part 16v.
Run through bolt inserting hole 16p is respectively formed in four angles of bowl cover 16, axially runs through.In addition, run through bolt Inserting hole 16p quantity is identical with the run through bolt inserting hole 14p of the side of skull 14 quantity.
2nd rod aperture 16q is formed at the central portion of bowl cover 16 with larger area, axially runs through, and the 2nd pit part The outer direction of the lateral radiuses of 16r is expanding and is formed.Same with the side of skull 14, the buffer sealing part of ring-type (omitting diagram) is installed on the 2 rod aperture 16q inner peripheral surface.It is outer with buffering ring described later close to the 2nd pit part 16r, the inner peripheral portion of buffer sealing part in piston In the state of all portion's contacts, the buffer sealing part of the side of bowl cover 16 will be formed at the 2nd pit part 16r and piston end from cylinder chamber Space (hereinafter referred to as the 2nd surge chamber between face.) towards the 2nd rod aperture 16q pressure fluid flowing cut-out.On the contrary, working as When under the state from input/output port to the 2nd rod aperture 16q supply pressure fluids, the lip of pressure fluid jack-up buffer sealing part Part, can form gap between the peripheral part of buffering ring.Its result is, buffer sealing part allowable pressure fluid is from the 2nd Flowings of the rod aperture 16q towards the 2nd surge chamber side.
2nd pit part 16r formation such as inferior pyramidal:From the end face section circle shape of bowl cover 16 prominent and outer peripheral face towards remote From the direction gradually undergauge of end face.Specifically, the 2nd pit part 16r and the 1st pit part 14r of the above-mentioned side of skull 14 are same Sample, is in order to which the withdrawing pattern for being removed from the molds casting piece when using die castings such as die casting to manufacture bowl cover 16 and setting is oblique Degree.
3 through hole 16s are axially formed in the 2nd pit part 16r along earthen pipe 12.When piston is close to the stroke of the side of bowl cover 16 During terminal, pressure fluid in the 2nd surge chamber through through hole 16s, trimmer valve mounting hole 16b, the 2nd rod aperture 16q and from the 2nd The input/output port discharge of rod aperture 16q connections.In the case where using path port 16a as input/output port, pass through The position of trimmer valve (omitting diagram) in trimmer valve mounting hole 16b is entered to pressure fluid from the delivery flow of the 2nd surge chamber side Row adjustment.In other words, the position adjustment of trimmer valve makes net sectional area amplification/diminution of exhaust flow path.Therefore, flow is carried out Adjustment, the buffer capacity for stopping piston to resiliency is adjusted.In addition, being located in trimmer valve in trimmer valve mounting hole 16b During most deep position, the stream between through hole 16s and the 2nd rod aperture 16q turns into totally-enclosed.
Bar maintaining part 16v axially runs through in central portion, the piston that the piston of the inside with being arranged at cylinder chamber is linked Bar 22 remains axially displacement freely.
Fig. 8 is the sectional view of the bowl cover 16 along Fig. 7 VIII-VIII lines.Here, it is readily apparent that and is arranged at bowl cover 16 Side S5 path port 16a and trimmer valve mounting hole 16b the 2nd rod aperture 16q inner peripheral surface respectively on position S and position T Connection.That is, show to use path port 16a as input/output port in the side of bowl cover 16.In addition, other input/output ports (path port 16h, bigger diameter end mouthful 16c, 16j, axial port 16m, 16n) is not connected with the 2nd rod aperture 16q inner peripheral surface, but with Can be by implementing make the working process that the rod aperture 16q of Kong Xiang 2 direction somewhat extends and the advance shape of size easily connected Into.Situation with skull 14 is same, in the fabrication stage of bowl cover 16, using easily forming input/output terminal in a plurality of directions Mouthful shape, so as to which the various pipe arrangement directions of supply pipe, discharge pipe with pressure fluid, aperture position are corresponding.
Run through bolt 20 is made up of the axis body with specific length, thick axle portion 20a and thin a pair axle portion 20b structures by center Into the thin a pair axle portion 20b is respectively formed in thick axle portion 20a both ends, and is carved on outer peripheral face provided with screw thread.Thin axle portion 20b is can be inserted through the run through bolt inserting hole 14p of skull 14 and the run through bolt inserting hole 16p of bowl cover 16 diameter shape Into.
Also, in run through bolt 20, the thin axle portion 20b in one end side is inserted through the run through bolt insert of skull 14 Hole 14p, the thin axle portion 20b of the other end side are inserted through after the run through bolt inserting hole 16p of bowl cover 16, make nut 24 and thin axle Portion 20b is screwed togather respectively.Thus, skull 14 is linked with bowl cover 16 in the way of clipping earthen pipe 12 by run through bolt 20.
In piston rod 22, portion side (arrow B directions in Fig. 1) is fixed with piston (omitting diagram), the other end at one end Side (arrow A directions) is supported as displacement freely by the bar maintaining part 16v of bowl cover 16.A pair of buffering rings (omitting diagram) are with axial direction On sandwich piston from both sides mode be assemblied in the outer peripheral face of piston rod 22.When piston is close to stroke terminal, outside buffering ring All portions turn into the state contacted with the inner peripheral portion of buffer sealing part.
Then, 3 use examples are enumerated to the action and action effect progress of the fluid pressure cylinder 10 constituted as described above Explanation.In addition, piston is set into initial to the side displacement of skull 14 and the state that is accommodated in the 1st rod aperture 14q in the inside of cylinder chamber Position and illustrate.
[use example 1]
(sketch map is saved firstly, for pressure fluid supply source (omit diagram) is made via the pipe arrangement extended from the top to the bottom Show) it is connected and is illustrated come the situation using fluid pressure cylinder 10 with path port 14a, 16a.In this case, by small Footpath port 14a supply pressure fluids, so that pressure fluid passes through the 1st rod aperture 14q and is imported into the side of the cylinder chamber of earthen pipe 12, it is right The end face of the side of skull 14 in piston is pressed, and makes piston to the side displacement of bowl cover 16.In addition, now, the path of the side of bowl cover 16 Port 16a turns into atmosphere opening state.
Also, when piston is close to stroke terminal, in the opposite side of the cylinder chamber of earthen pipe 12, pressure fluid passes through through hole 16s, trimmer valve mounting hole 16b, the 2nd rod aperture 16q and from path port 16a discharge.
So, by inside supply pressure fluid from the path port 14a from the side of skull 14 to earthen pipe 12 so that piston exists Towards the side displacement of bowl cover 16 under the pressing effect of pressure fluid, as outside prominent travel terminus from piston rod 22 to bowl cover 16 Position.
Then, under the switching effect of switching valve (omitting diagram), the pressure of the path port 14a supplies to the side of skull 14 is made Power fluid is supplied to the path port 16a of the side of bowl cover 16.Thus, pressure fluid is through the 2nd rod aperture 16q and to the cylinder chamber of earthen pipe 12 Opposite side import, the end face of the side of bowl cover 16 in piston is pressed, makes piston to the side displacement of skull 14.In addition, now, The path port 14a of the side of skull 14 turns into atmosphere opening state.
Also, when piston is close to stroke terminal, in the side of the cylinder chamber of earthen pipe 12, pressure fluid through through hole 14s, Trimmer valve mounting hole 14b, the 1st rod aperture 14q and from path port 14a discharge.
So, by inside supply pressure fluid from the path port 16a from the side of bowl cover 16 to earthen pipe 12 so that piston exists Towards the side displacement of skull 14 under the pressing effect of pressure fluid, the travel terminus position in the 1st rod aperture 14q is accommodated in as piston Put.
[use example 2]
Then, matching somebody with somebody greatly when making pressure fluid supply source (omit diagram) via diameter dimension than use example 1 Pipe (omitting diagram) is connected with the bigger diameter end mouthful 14j of the side of skull 14 and the bigger diameter end mouthful 16j of the side of bowl cover 16 and uses Fluid pressure The situation of cylinder 10 is illustrated.
In this case, as the working process of preparatory stage, due to extending bigger diameter end mouthful 14j in the side of skull 14 and making it Connected with the 1st rod aperture 14q, thus form new stream R1 (reference picture 5).Equally, by extending bigger diameter end mouthful in the side of bowl cover 16 16j and it is connected with the 2nd rod aperture 16q, and form new stream R2 (reference picture 8).In addition, on the 1st rod aperture 14q, the 2nd Path port 14a, 16a that rod aperture 16q is connected in advance, use closing cock (omit and illustrate) ordinatedly formed with diameter dimension etc. Closed.
Then, pipe arrangement is connected with the bigger diameter end mouthful 14j of the side of skull 14 and the bigger diameter end mouthful 16j of the side of bowl cover 16 respectively.And And, pressure fluid is supplied to bigger diameter end mouthful 14j.Thus, cylinder chamber of the pressure fluid through the 1st rod aperture 14q to earthen pipe 12 is made Side is imported, and the end face of the side of skull 14 in piston is pressed, makes piston to the side displacement of bowl cover 16.In addition, now, bowl cover The bigger diameter end mouthful 16j of 16 sides turns into atmosphere opening state.
Also, when piston is close to stroke terminal, in the opposite side of the cylinder chamber of earthen pipe 12, pressure fluid passes through through hole 16s, trimmer valve mounting hole 16b, the 2nd rod aperture 16q and from bigger diameter end mouthful 16j discharges.
So, and piston is made to exist to the inside supply pressure fluid of earthen pipe 12 by bigger diameter end from the side of skull 14 mouthful 14j Towards the side displacement of bowl cover 16 under the pressing effect of pressure fluid, as outside prominent travel terminus from piston rod 22 to bowl cover 16 Position.
Then, under the switching effect of switching valve (omitting diagram), the pressure of the bigger diameter end mouthful 14j supplies to the side of skull 14 is made Power fluid is supplied to the bigger diameter end mouthful 16j of the side of bowl cover 16.Thus, pressure fluid is made to pass through cylinder chambers of the 2nd rod aperture 16q to earthen pipe 12 Opposite side import, the end face of the side of bowl cover 16 in piston is pressed, makes piston to the side displacement of skull 14.In addition, now, The bigger diameter end mouthful 14j of the side of skull 14 turns into atmosphere opening state.
Also, when piston is close to stroke terminal, in the side of the cylinder chamber of earthen pipe 12, pressure fluid through through hole 14s, Trimmer valve mounting hole 14b, the 1st rod aperture 14q and from bigger diameter end mouthful 14j discharges.
So, and piston is made to exist to the inside supply pressure fluid of earthen pipe 12 by bigger diameter end from the side of bowl cover 16 mouthful 16j Towards the side displacement of skull 14 under the pressing effect of pressure fluid, the travel terminus position in the 1st rod aperture 14q is accommodated in as piston Put.
[use example 3]
Then, for making pressure fluid supply source (omit illustrate) via for example being extended axially parallel with earthen pipe 12 Pipe arrangement (omitting diagram) is connected and uses stream respectively with the axial port 14m of the side of skull 14 and the axial port 16m of the side of bowl cover 16 The situation of body pressure cylinder 10 is illustrated.
In this case, as the working process of preparatory stage, extend stream formation hole 14e in the side of skull 14, make stream Road is formed to be connected with hole 14e with the 1st rod aperture 14q.Also, by extending axial port 14m in the axial direction, and in axial port The new stream R3 (reference picture 3, Fig. 5) of L-shaped is formed between 14m and the 1st rod aperture 14q.
Equally, in the side of bowl cover 16, hole 16e is used in extension stream formation, it is connected with the 2nd rod aperture 16q.Also, by Extend axial port 16m on axial direction and form the new stream R4 (reference picture 6, Fig. 8) of L-shaped.In addition, except being used as the defeated of benchmark Outside path port 14a, 16a for entering output port, for stream formation hole 14e, 16e used in working process, use Closing cock (omitting diagram) suitably formed with diameter dimension etc. is detachably closed.
Then, pipe arrangement is connected with the axial port 14m of the side of skull 14 and the axial port 16m of the side of bowl cover 16 respectively.And And, pressure fluid is supplied to axial port 14m.Thus, cylinder chamber of the pressure fluid through the 1st rod aperture 14q to earthen pipe 12 is made Side is imported, and the end face of the side of skull 14 in piston is pressed, makes piston to the side displacement of bowl cover 16.In addition, now, bowl cover The axial port 16m of 16 sides turns into atmosphere opening state.
Also, when piston is close to stroke terminal, in the opposite side of the cylinder chamber of earthen pipe 12, pressure fluid passes through through hole 16s, trimmer valve mounting hole 16b, the 2nd rod aperture 16q, stream R4 and from axial port 16m discharge.
So, and piston is made to exist to the inside supply pressure fluid of earthen pipe 12 by the axial port 14m from the side of skull 14 Towards the side displacement of bowl cover 16 under the pressing effect of pressure fluid, as outside prominent travel terminus from piston rod 22 to bowl cover 16 Position.
Then, under the switching effect of switching valve (omitting diagram), the pressure of the axial port 14m supplies to the side of skull 14 is made Power fluid is supplied to the axial port 16m of the side of bowl cover 16.Thus, pressure fluid is made to pass through cylinder chambers of the 2nd rod aperture 16q to earthen pipe 12 Opposite side import, the end face of the side of bowl cover 16 in piston is pressed, makes piston to the side displacement of skull 14.In addition, now, The axial port 14m of the side of skull 14 turns into atmosphere opening state.
Also, when piston is close to stroke terminal, in the side of the cylinder chamber of earthen pipe 12, pressure fluid through through hole 14s, Trimmer valve mounting hole 14b, the 1st rod aperture 14q, stream R3 and from axial port 14m discharge.
So, and piston is made to exist to the inside supply pressure fluid of earthen pipe 12 by the axial port 16m from the side of bowl cover 16 Towards the side displacement of skull 14 under the pressing effect of pressure fluid, the travel terminus position in the 1st rod aperture 14q is accommodated in as piston Put.
As described above, according to present embodiment, being previously provided with respectively in skull 14 and bowl cover 16 multiple for supplying/arranging Go out the input/output port of pressure fluid, the input/output port can directly be used by simple working process Shape, size.Therefore it provides the free degree in the arrangement of pipe arrangement is higher and the easy-to-use Fluid pressure for user side Cylinder 10.
The embodiment > of < the 2nd
Then, the fluid pressure cylinder 100 of the 2nd embodiment is shown in figure 9 and in figure 10.In addition, for it is the above-mentioned 1st real The identical structural element of the fluid pressure cylinder 10 mark identical reference numeral of mode is applied, and omits detail explanation.
Fig. 9 is the stereoscopic of the fluid pressure cylinder 100 of the 2nd embodiment of the present utility model from the side of skull 14 Figure, stereoscopic figure when Figure 10 is the fluid pressure cylinder 100 shown in Fig. 9 from the side of bowl cover 16.
As shown in Figure 9 and Figure 10, in the fluid pressure cylinder 100 of present embodiment, skull 14 is being equipped with earthen pipe 12 The end face of side has pipe mounting hole 14t, the 14u being open vertically.Equally, end of the bowl cover 16 in the side for being equipped with earthen pipe 12 Face has pipe mounting hole 16t, the 16u being open vertically.This some holes is identical with the fluid pressure cylinder 10 shown in Fig. 1, but this implementation The difference of mode and above-mentioned 1st embodiment is the tube axial 26 also with hollow form, the both ends of the tube axial 26 Link with pipe mounting hole 14t, 16t of relative configuration, and extended parallel to earthen pipe 12.In addition, tube axial 26 can also basis The position for the pipe arrangement arranged and be connected between pipe mounting hole 14u, 16u of relative configuration.
Fluid pressure cylinder 100 shown in Fig. 9 and Figure 10 is at the processing for example by carrying out following skull 14 and bowl cover 16 Manage and build.
First, in the side of skull 14, side S2 stream formation hole 14f is extended to the direction of earthen pipe 12, make stream shape Connected into hole 14f with the 1st rod aperture 14q.Also, by making axial port 14n extend in the axial direction, and in axial port 14n The new stream R5 (reference picture 9) of L-shaped is formed between the 1st rod aperture 14q.
In addition, in the side of skull 14, by making side S1 stream formation hole 14d in downward direction extend, making axial port 14m extends in the axial direction, and makes to connect between stream formation hole 14d and axial port 14m.Then, by making to be arranged at stream The pipe mounting hole 14t of road formation hole 14d vicinity extends in the axial direction, and between axial port 14m and pipe mounting hole 14t Form the new stream R6 (reference picture 9) of curved shape.Now, on stream formation hole 14d used in working process, 14f, by being closed in opening portion installing stopper 28b.Equally, it is pre- on the port as benchmark and the 1st rod aperture 14q The path port 14a first connected, is closed also by installing stopper 28a.
Also, in the side of bowl cover 16, make the stream formation hole that the position with axial port 16m in vertical direction is equal 16e extends to the direction of earthen pipe 12, stream formation hole 16e is connected with the 2nd rod aperture 16q.Then, side S5 stream shape is made Extend into hole 16d to the direction of earthen pipe 12, and the pipe mounting hole 16t for being arranged at stream formation hole 16d vicinity is existed Extend on axial direction, so as to form the new stream R8 (reference pictures of curved shape between pipe mounting hole 16t and the 2nd rod aperture 16q 10).Now, on stream formation hole 16d, 16e used in working process, by entering in opening portion installing stopper 28b Row closing.Also, on the path port 16a connected in advance with the 2nd rod aperture 16q of the port as benchmark, also by plug 28a is closed.
Finally, the both ends of tube axial 26 are linked between pipe mounting hole 14t, 16t of relative configuration and forms pressure current Body is used for roundabout stream R7 (reference picture 10), and in the way of sandwiching earthen pipe 12 using 4 run through bolt 20 by skull 14 and bowl cover 16 link.
Then, the action of fluid pressure cylinder 100 and action effect that constitute as described above are illustrated.In addition, will Piston is set to initial position to the side displacement of skull 14 and the state that is accommodated in the 1st rod aperture 14q in the inside of cylinder chamber and said It is bright.
First, connecting pipings respectively is being arranged at two axial ports 14m, 14n of the side of skull 14.Then, by pressure Fluid is supplied to axial port 14n.Thus, the stream R5 shown in pressure fluid along Fig. 9, the 1st bar is passed through from axial port 14n Hole 14q is imported to the side of the cylinder chamber of earthen pipe 12, and the end face of the side of skull 14 in piston is pressed, makes piston to bowl cover 16 Side displacement.In addition, now, axial port 14m turns into atmosphere opening state.
Also, when piston is close to stroke terminal, in the opposite side of the cylinder chamber of earthen pipe 12, pressure fluid passes through through hole 16s, trimmer valve mounting hole 16b, the 2nd rod aperture 16q, stream R8, stream R7, stream R6 and from axial port 14m discharge.
So, and piston is made to exist to the inside supply pressure fluid of earthen pipe 12 by the axial port 14n from the side of skull 14 Towards the side displacement of bowl cover 16 under the pressing effect of pressure fluid, as outside prominent travel terminus from piston rod 22 to bowl cover 16 Position.
Then, for making the axial port 14n supplies to the side of skull 14 under the switching effect of switching valve (omit and illustrate) Axial port 14m from pressure fluid to the side of skull 14 supply situation illustrate.In this case, pressure fluid is with Fig. 9 With the order of stream R6, R7, R8 shown in Figure 10, the inside of skull 14, tube axial 26, bowl cover 16 is passed through from axial port 14m And import the 2nd rod aperture 16q of bowl cover 16.Also, pressure fluid passes through the opposite side of the 2nd rod aperture 16q and the cylinder chamber to earthen pipe 12 Import, the end face of the side of bowl cover 16 in piston is pressed, makes piston to the side displacement of skull 14.In addition, now, the side of skull 14 Axial port 14n turn into atmosphere opening state.
Also, when piston is close to stroke terminal, in the side of the cylinder chamber of earthen pipe 12, pressure fluid through through hole 14s, Trimmer valve mounting hole 14b, the 1st rod aperture 14q, stream R5 and from axial port 14n discharge.
So, according to the fluid pressure cylinder 100 of present embodiment, by setting tube axial 26, so as to make pressure current The stream of body is roundabout between skull 14 and bowl cover 16.Therefore, pipe arrangement can be improved compared with the situation of above-mentioned 1st embodiment The free degree of arrangement.In addition it is also possible to make the connecting portion with pipe arrangement concentrate on a side of the side of skull 14 or the side of bowl cover 16.
[variation]
At least one party of above-mentioned 1st and the 2nd embodiment can also carry out following deformation.
(variation 1)
In above-mentioned 1st and the 2nd embodiment, to the fluid of the type with skull 14, bowl cover 16 and piston rod 22 Pressure cylinder is illustrated, and the utility model can also be applied to the fluid pressure cylinder without bar type without piston rod 22. As long as that is, the fluid pressure cylinder with one group of end cap.
(variation 2)
In above-mentioned 1st and the 2nd embodiment, skull 14 and each comfortable two sides of bowl cover 16 have two inputs respectively Output port, but it is also possible to which further S2, S6 are also provided with input/output port in side.That is, as long as being arranged on and earthen pipe 12 Axially orthogonal more than two sides, can also be arranged at all sides.
(variation 3)
Also, in above-mentioned 1st and the 2nd embodiment, use has with different diameter dimension shapes in same side Into more than two input/output ports (path port, bigger diameter end mouthful) structure.But it is also possible to have on a side There is the input/output port of multiple identical diameter dimensions.
(variation 4)
Also, in above-mentioned 1st and the 2nd embodiment, it is illustrated when following:The input and output of benchmark Port outside port (path port) is not connected with the 1st rod aperture 14q and the 2nd rod aperture 16q, and real when using other ports Apply some working processes.It may, however, also be, multiple input/output ports of setting use the diameter dimension pair with port respectively The plug of the closing of ground formation is answered, all input/output ports is connected with the 1st rod aperture 14q and the 2nd rod aperture 16q in advance, Untapped port is closed by plug.Equally, although trimmer valve mounting hole 14g, 14i, 16g, 16i are not connected, but This some holes can also be connected with the 1st rod aperture 14q and the 2nd rod aperture 16q and easily used as needed.
(variation 5)
Also, in above-mentioned 2nd embodiment, for being arranged at connection at axial port 14m, 14n of the side of skull 14 The example of pipe arrangement is illustrated, but the connection end of pipe arrangement is not limited to these ports.For example, it is also possible to being arranged at the side of bowl cover 16 Axial port 16m, 16n is connected.Untapped axial port 14m, 14n, 16m, 16n are closed by plug 28c.Equally, can also Stream formation hole 14d, 16d for being used to form the stream for the pressure fluid for reaching tube axial 26 etc. are functioned properly as Input/output port.
(variation 6)
Above-mentioned variation 1~5 can also be arbitrarily combined in reconcilable scope.
In addition, fluid pressure cylinder of the present utility model is not limited to above-mentioned embodiment with end cap and fluid pressure cylinder, In the case of not departing from purport of the present utility model, it is of course possible to use various structures.

Claims (11)

1. a kind of fluid pressure cylinder end cap, is assemblied in the end of the earthen pipe (12) with cylinder chamber internally, the cylinder chamber is sealed Close, the fluid pressure cylinder end cap is characterised by,
Have in the orthogonal more than two sides in the axial direction of the earthen pipe (12) with being assembled be used for cylinder chamber supply/ The input/output port (14a, 14c, 14h, 14j, 16a, 16c, 16h, 16j) of discharge pressure fluid.
2. fluid pressure cylinder end cap according to claim 1, it is characterised in that
The fluid pressure cylinder is the bowl cover (16) with bar maintaining part (16v), the bar maintaining part (16v) with end cap (14,16) Axially run through in the central portion of the bowl cover (16), the piston rod (22) that the piston of the inside with being arranged at cylinder chamber is linked Remain axially displacement freely.
3. fluid pressure cylinder end cap according to claim 1, it is characterised in that
The input/output port (14a, 14c, 14h, 14j, 16a, 16c, 16h, 16j) is in a side with different diameters Size is formed with two or more.
4. fluid pressure cylinder end cap according to claim 1, it is characterised in that
End face of the fluid pressure cylinder end cap in the opposite side of the end face with being equipped with earthen pipe (12) has in the axle The axial port (14m, 14n, 16m, 16n) of upward opening.
5. fluid pressure cylinder end cap according to claim 1, it is characterised in that
The fluid pressure cylinder has with any one party in side of the end cap (14,16) more than described two to be filled for trimmer valve The hole portion (14b, 14g, 14i, 16b, 16g, 16i) matched somebody with somebody.
6. fluid pressure cylinder end cap according to claim 1, it is characterised in that
The fluid pressure cylinder is skull (14) with end cap (14,16).
7. a kind of fluid pressure cylinder, it is characterised in that have:
Earthen pipe (12), the earthen pipe is formed as hollow form, internally with cylinder chamber;
Skull (14), the skull is assemblied in the one end of the earthen pipe (12), and the one end of the cylinder chamber is closed;And
Bowl cover (16), the bowl cover is assemblied in the other end of the earthen pipe (12), and the other end of the cylinder chamber is closed, and The piston rod (22) that the piston of inside with being arranged at the cylinder chamber links is remained into axially displacement freely,
The skull (14) and each comfortable more than two sides orthogonal with the earthen pipe (12) axial direction of the bowl cover (16) With to the cylinder chamber supply/discharge pressure fluid input/output port (14a, 14c, 14h, 14j, 16a, 16c, 16h, 16j)。
8. fluid pressure cylinder according to claim 7, it is characterised in that
Have in the skull (14) and each comfortable side of the bowl cover (16) with two formed by different diameter dimensions The input/output port (14a, 14c, 14h, 14j, 16a, 16c, 16h, 16j) more than individual.
9. fluid pressure cylinder according to claim 8, it is characterised in that
The fluid pressure cylinder has the tube axial (26) extended parallel to the earthen pipe (12),
The end face that the skull (14) and the bowl cover (16) each leisure are equipped with the side of the earthen pipe (12) has described The pipe mounting hole (14t, 14u, 16t, 16u) of axial upper shed, the both ends of the tube axial (26) respectively with relative configuration The pipe mounting hole (14t, 14u, 16t, 16u) links.
10. the fluid pressure cylinder described in any one in claim 7 to 9, it is characterised in that
The end of the skull (14) side opposite with being equipped with the end face of the earthen pipe (12) with each leisure of the bowl cover (16) Face has axial port (14m, 14n, 16m, 16n), and the axial port is connected in the axial upper shed with the cylinder chamber.
11. fluid pressure cylinder according to claim 10, it is characterised in that
The input/output port (14a, 14c, 14h, 14j, 16a, 16c, 16h, 16j) and the axial port (14m, 14n, 16m, 16n) diameter dimension pair with the input/output port and the axial port is detachably equipped with respectively The closing cock (28a, 28b, 28c) for answering ground to be formed.
CN201621357877.7U 2016-12-12 2016-12-12 Fluid pressure cylinder end cap and fluid pressure cylinder Active CN206386328U (en)

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Application Number Priority Date Filing Date Title
CN201621357877.7U CN206386328U (en) 2016-12-12 2016-12-12 Fluid pressure cylinder end cap and fluid pressure cylinder

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Application Number Priority Date Filing Date Title
CN201621357877.7U CN206386328U (en) 2016-12-12 2016-12-12 Fluid pressure cylinder end cap and fluid pressure cylinder

Publications (1)

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Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112739915A (en) * 2018-09-12 2021-04-30 Smc株式会社 Fluid pressure cylinder
CN114096755A (en) * 2019-07-04 2022-02-25 Smc 株式会社 Sensor mounting member and fluid pressure cylinder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112739915A (en) * 2018-09-12 2021-04-30 Smc株式会社 Fluid pressure cylinder
CN114096755A (en) * 2019-07-04 2022-02-25 Smc 株式会社 Sensor mounting member and fluid pressure cylinder

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