CN203214477U - Axial flow movement type air cylinder - Google Patents

Axial flow movement type air cylinder Download PDF

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Publication number
CN203214477U
CN203214477U CN 201320245707 CN201320245707U CN203214477U CN 203214477 U CN203214477 U CN 203214477U CN 201320245707 CN201320245707 CN 201320245707 CN 201320245707 U CN201320245707 U CN 201320245707U CN 203214477 U CN203214477 U CN 203214477U
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CN
China
Prior art keywords
piston
cylinder barrel
piston rod
cylinder
axial flow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 201320245707
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Chinese (zh)
Inventor
翁建建
凌秉达
乐赞扬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen Tungsten Co Ltd
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Xiamen Tungsten Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xiamen Tungsten Co Ltd filed Critical Xiamen Tungsten Co Ltd
Priority to CN 201320245707 priority Critical patent/CN203214477U/en
Application granted granted Critical
Publication of CN203214477U publication Critical patent/CN203214477U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses an axial flow movement type air cylinder which comprises a cylinder barrel, end covers, a piston and a piston rod. The piston rod and the piston are arranged in the cylinder barrel, and an inner cavity of the cylinder barrel is divided into an upper cavity and a lower cavity by the piston; an upper air flowing channel and a lower air flowing channel which are not communicated with each other are respectively axially arranged at the upper end and the lower end of the piston rod, a radial upper channel and a radial lower channel are respectively arranged in an inner section of the piston rod and are close to the piston, two ends of the upper channel are respectively communicated with the upper air flowing channel and the upper cavity, and two ends of the lower channel are respectively communicated with the lower air flowing channel and the lower cavity. The axial flow movement type air cylinder with the structure has the advantages that an air flowing hole structure of the air cylinder is improved, air in air flowing holes flows axially, accordingly, a cylinder barrel fixing mode can be replaced by a piston rod fixing mode when the air cylinder is used, and the air cylinder can be conveniently used in mechanisms with limited spatial capacity; the requirement of reasonable space utilization can be met, and the service efficiency can be improved.

Description

A kind of axial flow motion mode cylinder
Technical field
The utility model relates to a kind of cylinder, particularly relates to a kind of axial flow motion mode cylinder.
Background technique
Cylinder is a kind of metal part that guides piston to carry out straight reciprocating motion therein, cylinder normally is made up of cylinder barrel (being cylinder body), end cap, piston, piston rod and Sealing etc., piston is contained in the cylinder barrel, piston rod and piston fix, end cap is contained in the one or both ends of cylinder barrel by Sealing, so that the inner chamber of cylinder barrel forms the cavity of sealing, piston is divided into two chambeies with the inner chamber of cylinder barrel, pressure difference by two chambeies is moved piston in cylinder barrel, also just driven piston rod movement during the piston motion.A kind of cylinder of prior art, as shown in Figure 1 to Figure 3, Fig. 1 is the profile schematic representation of the cylinder of prior art, Fig. 2 is the plan view of the cylinder of prior art, Fig. 3 is the sectional view along A among Fig. 1-A line, the piston 101 of this cylinder of prior art and piston rod 102 are contained in the cylinder body 103, piston 101 and piston rod 102 are connected, piston 101 is divided into two chambeies with the inner chamber of cylinder body 103, i.e. first chamber 1031 and second chamber 1032, being provided with first at the wall of cylinder body 103 walks pore 1033 and first and walks pore 1034, first walks pore 1033 is connected with first chamber 1031, and second walks pore 1034 is connected with second chamber 1032, like this, pressure difference by two chambeies can make piston 101 move in cylinder body 103, has also just driven piston rod 102 motions during piston 101 motions.This cylinder in use, cylinder body 103 is used to fix usually, piston rod 102(is the cylinder bar) then by doing fore and aft motion and then driving other workpiece motion s.Because this stationary housing must take certain usage space, for the limited mechanism of some spatial contents (as the clip claw mechanism of WT211 mechanism hand), the use of this cylinder can make these mechanisms become very too fat to move and influence utilization efficiency.
The model utility content
The purpose of this utility model is to overcome the deficiency of prior art, a kind of axial flow motion mode cylinder is provided, by cylinder being walked the improvement of air hole structure, make away the airflow direction of pore along axial flow, like this, just can be in the use of cylinder just stationary housing (being cylinder barrel) change fixed piston rod (being the cylinder bar) into, thereby make the limited mechanism of some spatial contents can use cylinder easily; The reasonable request of usage space can be satisfied, utilization efficiency can be improved again.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of axial flow motion mode cylinder comprises a cylinder barrel, two end caps, a piston and a piston rod; Piston rod and piston connect into piston assembly, and piston is in the middle part of piston rod; Piston assembly is contained in the cylinder barrel and makes the upper and lower end of piston rod stretch out the upper and lower nozzle of cylinder barrel respectively, at the upper and lower tube port position of cylinder barrel end cap is installed respectively, so that the inner chamber of cylinder barrel forms the cavity of sealing; The periphery of piston coincide with the inwall of cylinder barrel and cooperates, and piston is divided into upper and lower cavity with the inner chamber of cylinder barrel; The upper and lower termination of described piston rod is respectively equipped with along axis and the upper and lower flat passage that is not connected, the close piston place of section is provided with respectively along upper and lower passage radially in piston rod, wherein, the two ends of upper channel are communicated in flat passage and upper cavity respectively, and the two ends of lower channel are communicated in down flat passage and lower chamber respectively.
Described piston rod is that one is connected with piston.
Described end cap is fixed on the cylinder barrel by hexagon socket countersunk flat cap head screw.
Between the periphery of described piston and the inwall of cylinder barrel piston seal is housed also.
The periphery of described piston is provided with along circumferential draw-in groove, and described piston seal is embedded in the draw-in groove of piston.
Described end cap is provided with the through hole that allows piston rod pass, and the O RunddichtringO also is housed between the through hole of piston rod and end cap.
The O RunddichtringO also is housed between the nozzle of described end cap and cylinder barrel.
A kind of axial flow motion mode cylinder of the present utility model, constituted the first flat passage that leads to the cylinder barrel upper cavity by last flat passage and upper channel, by flat passage and lower channel constitute the second flat passage that leads to the cylinder barrel lower chamber down, pressure difference by two chambeies just can make piston move with respect to cylinder barrel, because piston rod and piston fix, therefore, also just having formed piston rod moves with respect to cylinder barrel, like this, by fixed piston rod, just can make cylinder barrel return reciprocating motion.By bindiny mechanism, drive other workpiece motion s by cylinder barrel (being cylinder body).
The beneficial effects of the utility model are, owing to adopted a cylinder barrel, two end caps, a piston and a piston rod to constitute axial flow motion mode cylinder; And piston rod and piston connect into piston assembly, and piston is in the middle part of piston rod; Piston assembly is contained in the cylinder barrel and makes the upper and lower end of piston rod stretch out the upper and lower nozzle of cylinder barrel respectively, at the upper and lower tube port position of cylinder barrel end cap is installed respectively, so that the inner chamber of cylinder barrel forms the cavity of sealing; The periphery of piston coincide with the inwall of cylinder barrel and cooperates, and piston is divided into upper and lower cavity with the inner chamber of cylinder barrel; The upper and lower termination of described piston rod is respectively equipped with along axis and the upper and lower flat passage that is not connected, the close piston place of section is provided with respectively along upper and lower passage radially in piston rod, wherein, the two ends of upper channel are communicated in flat passage and upper cavity respectively, and the two ends of lower channel are communicated in down flat passage and lower chamber respectively.This structure is by walking the improvement of air hole structure to cylinder, make away the airflow direction of pore along axial flow, like this, just can be in the use of cylinder just stator bore (being cylinder body) change fixed piston rod (being the cylinder bar) into, thereby make the limited mechanism of some spatial contents can use cylinder easily; The reasonable request of usage space can be satisfied, utilization efficiency can be improved again.
Below in conjunction with drawings and Examples the utility model is described in further detail; But a kind of axial flow motion mode cylinder of the present utility model is not limited to embodiment.
Description of drawings
Fig. 1 is the profile schematic representation of the cylinder of prior art;
Fig. 2 is the plan view of the cylinder of prior art;
Fig. 3 is the sectional view along A among Fig. 2-A line;
Fig. 4 is plan view of the present utility model;
Fig. 5 is the sectional view along B among Fig. 4-B line;
Fig. 6 is the move upward schematic representation of state of cylinder barrel of the present utility model;
Fig. 7 is the schematic representation that cylinder barrel of the present utility model moves downward state.
Embodiment
To shown in Figure 7, a kind of axial flow motion mode cylinder of the present utility model comprises a cylinder barrel 1, two end caps 2, a piston 3 and a piston rod 4 referring to Fig. 4; Piston rod 4 and piston 3 connect into piston assembly, and piston 3 is in the middle part of piston rod 4; Piston assembly is contained in the cylinder barrel 1 and makes the upper and lower end of piston rod 4 stretch out the upper and lower nozzle of cylinder barrel respectively, at the upper and lower tube port position of cylinder barrel end cap 2 is installed respectively, so that the inner chamber of cylinder barrel forms the cavity of sealing; The periphery of piston 3 coincide with the inwall of cylinder barrel 1 and cooperates, and piston 3 is divided into upper cavity 11 and lower chamber 12 with the inner chamber of cylinder barrel 1; On the described piston rod, lower end is respectively equipped with along the last flat passage 51 of axis and following flat passage 52, going up flat passage 51 is not communicated with mutually with following flat passage 52, going up flat passage 51 is connected with space outerpace respectively with following flat passage 52, the close piston place of section is provided with respectively along upper channel 61 radially in piston rod, lower channel 62, upper channel 61 is near pistons 3 and be in the top of piston 3, lower channel 62 is near pistons 3 and be in the below of piston 3, wherein, the two ends of upper channel 61 are communicated in flat passage 51 and upper cavity 11 respectively, and the two ends of lower channel 62 are communicated in down flat passage 52 and lower chamber 12 respectively.
Described piston rod 4 and piston 3 be for one is connected, such as, can be made into an one-piece parts.
Described end cap 2 is fixed on the cylinder barrel 1 by hexagon socket countersunk flat cap head screw 71.
Piston seal 72 also is housed between the inwall of the periphery of described piston 3 and cylinder barrel 1.
The periphery of described piston 3 is provided with along circumferential draw-in groove, and described piston seal 72 is embedded in the draw-in groove of piston.
Described end cap 3 is provided with the through hole that allows piston rod pass, and O RunddichtringO 73 also is housed between the through hole of piston rod and end cap.
Between the nozzle of described end cap 3 and cylinder barrel 1 O RunddichtringO 74 is housed also.
A kind of axial flow motion mode cylinder of the present utility model, constitute the first flat passage that leads to cylinder barrel upper cavity 11 by last flat passage 51 and upper channel 61, by flat passage 52 and lower channel 62 constitute the second flat passage that leads to cylinder barrel lower chamber 12 down, pressure difference by two chambeies just can make piston move with respect to cylinder barrel, because piston rod 4 fixes with piston 3, therefore, also just formed piston rod 4 with respect to cylinder barrel 1 motion, like this, by fixed piston rod 4, just can make cylinder barrel 1 return reciprocating motion, when the air pressure of upper cavity 11 during greater than the air pressure of lower chamber 12, piston 3 moves downward with respect to cylinder barrel 1, just cylinder barrel 1 moves upward (as shown in Figure 6) with respect to piston rod 4, when the air pressure of upper cavity 11 during less than the air pressure of lower chamber 12, piston 3 moves upward with respect to cylinder barrel 1, and just cylinder barrel 1 moves downward (as shown in Figure 7) with respect to piston rod 4.By bindiny mechanism, be cylinder body by cylinder barrel 1() drive other workpiece motion s.
Above-described embodiment only is used for further specifying a kind of axial flow motion mode cylinder of the present utility model; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls in the protection domain of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does.

Claims (7)

1. an axial flow motion mode cylinder comprises a cylinder barrel, two end caps, a piston and a piston rod; Piston rod and piston connect into piston assembly, and piston is in the middle part of piston rod; Piston assembly is contained in the cylinder barrel and makes the upper and lower end of piston rod stretch out the upper and lower nozzle of cylinder barrel respectively, at the upper and lower tube port position of cylinder barrel end cap is installed respectively, so that the inner chamber of cylinder barrel forms the cavity of sealing; The periphery of piston coincide with the inwall of cylinder barrel and cooperates, and piston is divided into upper and lower cavity with the inner chamber of cylinder barrel; It is characterized in that: the upper and lower termination of described piston rod is respectively equipped with along axis and the upper and lower flat passage that is not connected, the close piston place of section is provided with respectively along upper and lower passage radially in piston rod, wherein, the two ends of upper channel are communicated in flat passage and upper cavity respectively, and the two ends of lower channel are communicated in down flat passage and lower chamber respectively.
2. axial flow motion mode cylinder according to claim 1, it is characterized in that: described piston rod is that one is connected with piston.
3. axial flow motion mode cylinder according to claim 1, it is characterized in that: described end cap is fixed on the cylinder barrel by hexagon socket countersunk flat cap head screw.
4. axial flow motion mode cylinder according to claim 1 is characterized in that: between the periphery of described piston and the inwall of cylinder barrel piston seal is housed also.
5. axial flow motion mode cylinder according to claim 4, it is characterized in that: the periphery of described piston is provided with along circumferential draw-in groove, and described piston seal is embedded in the draw-in groove of piston.
6. axial flow motion mode cylinder according to claim 1, it is characterized in that: described end cap is provided with the through hole that allows piston rod pass, and the O RunddichtringO also is housed between the through hole of piston rod and end cap.
7. axial flow motion mode cylinder according to claim 1 is characterized in that: the O RunddichtringO also is housed between the nozzle of described end cap and cylinder barrel.
CN 201320245707 2013-05-08 2013-05-08 Axial flow movement type air cylinder Expired - Lifetime CN203214477U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320245707 CN203214477U (en) 2013-05-08 2013-05-08 Axial flow movement type air cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320245707 CN203214477U (en) 2013-05-08 2013-05-08 Axial flow movement type air cylinder

Publications (1)

Publication Number Publication Date
CN203214477U true CN203214477U (en) 2013-09-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320245707 Expired - Lifetime CN203214477U (en) 2013-05-08 2013-05-08 Axial flow movement type air cylinder

Country Status (1)

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CN (1) CN203214477U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105539952A (en) * 2015-12-25 2016-05-04 江苏新美星包装机械股份有限公司 Single-drive double-false-cup mechanism used during cleaning of filling valves

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105539952A (en) * 2015-12-25 2016-05-04 江苏新美星包装机械股份有限公司 Single-drive double-false-cup mechanism used during cleaning of filling valves

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CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20130925