CN107504013A - A kind of single-acting cylinder - Google Patents
A kind of single-acting cylinder Download PDFInfo
- Publication number
- CN107504013A CN107504013A CN201710842208.1A CN201710842208A CN107504013A CN 107504013 A CN107504013 A CN 107504013A CN 201710842208 A CN201710842208 A CN 201710842208A CN 107504013 A CN107504013 A CN 107504013A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- piston
- cylinder cap
- cap
- piston rod
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1438—Cylinder to end cap assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1438—Cylinder to end cap assemblies
- F15B15/1442—End cap sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
- F15B15/1461—Piston rod sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1471—Guiding means other than in the end cap
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/26—Locking mechanisms
Abstract
The present invention relates to a kind of single-acting cylinder, including gray iron, piston and piston rod, the cylinder body includes cylinder bottom plate and the cylinder barrel being arranged on the cylinder bottom plate, air admission hole is provided with the cylinder bottom plate, setting and suction hole on the cylinder cap, the cross sectional shape of the piston rod is provided with and the first external screw thread for being connected with the piston, the end face of the other end is provided with the second internal thread hole for square and one end, and the back-moving spring for being easy to the piston reset is provided between the piston and the cylinder cap.A kind of single-acting cylinder of the present invention, by setting square piston bar, piston rod opposing cylinder is avoided to rotate；By setting back-moving spring so that automatically by piston reset after the completion of cylinder extending action；By setting lock-screw, the threaded connection loosening of cylinder cap and cylinder barrel during use is prevented；Cylinder body end is stretched into cylinder cap set is set, limit the stroke of piston, avoid back-moving spring by overcompression.
Description
Technical field
The present invention relates to a kind of single-acting cylinder, belongs to pneumatic equipment technical field.
Background technology
The piston rod of existing cylinder is all cylindrical, is lived when the travel mechanism of cylinder movement is by radial forces
Stopper rod can relatively rotate with cylinder body, in order to prevent cylinder from being relatively rotated with travel mechanism, it usually needs in travel mechanism
Set guide rod to be oriented to, be oriented to by guide rod and just can ensure that piston of the travel mechanism for needing precisely to orient along cylinder
Bar is released the stroke rectilinear direction retracted and is operated.This method being oriented to using guide rod to the piston rod of cylinder,
Not only need to process guide rod, guide holder and guide sleeve, both added the production cost of equipment, and reduced the precision of equipment, again
The space-consuming and equipment weight itself of equipment are increased, causes greatly to waste.
The content of the invention
Deficiency of the prior art, the technical problem to be solved in the present invention are more than：A kind of single-acting cylinder is provided,
By setting square piston bar, piston rod opposing cylinder is avoided to rotate；By setting lock-screw, during preventing use
The threaded connection of cylinder cap and cylinder barrel loosens, by setting back-moving spring so that automatically answer piston after the completion of cylinder extending action
Position.
Cylinder of the present invention, including cylinder body, be arranged on the cylinder body cylinder cap, be slidably arranged in the cylinder body
Piston and one end is connected with the piston, the other end stretches out the piston rod of the cylinder cap, the cylinder body includes cylinder bottom plate and set
The cylinder barrel on the cylinder bottom plate is put, is provided with air admission hole on the cylinder bottom plate, is set on the cylinder cap and suction hole, the work
The cross sectional shape of stopper rod for square and one end be provided with for be connected with the piston the first external screw thread, the end face of the other end
The second internal thread hole is provided with, the back-moving spring for being easy to the piston reset is provided between the piston and the cylinder cap, it is described
The circular groove for the set insertion for preventing the back-moving spring overcompression is provided with cylinder cap, being additionally provided with prevents the cylinder cap and institute
State the lock-screw of cylinder barrel relative rotation.
Further, four sides of the piston rod stretching head side are provided with connection screw thread hole.
Further, the outer wall of the cylinder cap, which is from left to right disposed with, is easy to multiple semi-circular recesses of assembling, is used for
The second external screw thread for being connected with the cylinder barrel, the annular groove for being easy to accommodate O-ring seals, the cylinder cap are provided centrally with just
In be provided with the square opening that the piston rod passes through, the square opening be easy to accommodate dust ring dust-proof ring recess.
Further, the set is linked together by welding with the cylinder cap.
Further, the piston is provided centrally with being easy to connecting the first internal thread hole of the piston rod, outer wall from a left side
It is disposed with to the right side and is oriented to guide ring and sealing ring.
Further, it is provided with the through hole for being easy to fixing bolt to pass through on the cylinder bottom plate.
Compared with prior art, the invention has the advantages that：
By a kind of single-acting cylinder of the present invention, by setting square piston bar, piston rod opposing cylinder is avoided
Rotate；By setting back-moving spring so that automatically by piston reset after the completion of cylinder extending action；By being set on cylinder cap
Semi-circular recesses are put, are easy to cylinder cap being tightened on cylinder body, stretching into cylinder body end in cylinder cap sets set, limits the stroke of piston, keeps away
Exempt from back-moving spring by overcompression, by setting lock-screw, prevent the threaded connection of cylinder cap and cylinder barrel during use from loosening.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is Fig. 1 left view；
Fig. 3 is the attachment structure schematic diagram of the cylinder cap and set of the present invention；
In figure：1st, cylinder body, 1.1, cylinder bottom plate, 1.2, cylinder barrel, 2, piston, 3, back-moving spring, 4, cylinder cap, 4.1, set, 5, living
Stopper rod, 6, dust ring, 7, guide ring, 8, sealing ring, 9, O-ring seals, 10, lock-screw.
Embodiment
The present invention is described further below in conjunction with the accompanying drawings：
Below by way of specific embodiment, the invention will be further described, but not to limit the present invention, it is all in the present invention
Within spirit and principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
As shown in 1-3, the single-acting cylinder, including cylinder body 1, the cylinder cap 4 being arranged on the cylinder body 1, slip setting
Piston 2 and one end in the cylinder body 1 are connected with the piston 2, the piston rod 5 of the other end stretching cylinder cap 4, the cylinder
Body 1 includes cylinder bottom plate 1.1 and the cylinder barrel 1.2 being arranged on the cylinder bottom plate 1.1, and air admission hole is provided with the cylinder bottom plate 1.1,
Set on the cylinder cap 4 and suction hole, the cross sectional shape of the piston rod 5 are provided with and are used for and the work for square and one end
The first connected external screw thread of plug 2, the end face of the other end are provided with the second internal thread hole, are set between the piston 2 and the cylinder cap 4
There is the back-moving spring 3 for being easy to the piston 2 to reset, the set for preventing the overcompression of back-moving spring 3 is provided with the cylinder cap 4
The circular groove of 4.1 insertions, is additionally provided with the lock-screw 10 for preventing that the cylinder cap 4 from relatively rotating with the cylinder barrel 1.2；Pass through
Square piston bar is set, avoids piston rod opposing cylinder from rotating；By setting back-moving spring so that cylinder extending action is complete
Into rear automatically by piston reset；By setting lock-screw, the threaded connection loosening of cylinder cap and cylinder barrel during use is prevented；It is logical
Cross and semi-circular recesses are set on cylinder cap, be easy to cylinder cap being tightened on cylinder body, stretching into cylinder body end in cylinder cap sets set, and limitation is lived
The stroke of plug, back-moving spring is avoided by overcompression.
In the present embodiment, four sides that the piston rod 5 stretches out the end of cylinder cap 4 are provided with connection screw thread hole；By setting
Connection screw thread hole is put, is easy to needing mobile parts to be connected.
In the present embodiment, the outer wall of the cylinder cap 4 be from left to right disposed be easy to assembling multiple semi-circular recesses,
For be connected with the cylinder barrel 1.2 the second external screw thread, be easy to accommodate the annular grooves of O-ring seals 9, in the cylinder cap 4
The heart is provided with the square opening for being easy to the piston rod 5 to pass through, and the dust ring for being easy to accommodate dust ring 6 is provided with the square opening
Groove, the set 4.1 are linked together by welding with the cylinder cap 4；By setting the second external screw thread, it is easy to cylinder cap being fixed on
On cylinder barrel, it is to avoid dust, impurity from entering cylinder body at piston rod to set dust ring, and it is in order to avoid ash to set O-ring seals
Dirt etc. enters cylinder body from threaded connection place so that the sealing ring on piston is worn, and influences the life-span of cylinder, passes through welding manner
Cylinder cap will be set on and stretch into cylinder body end, it is easy to process, cost is low；Covered by setting, limit the stroke of piston, avoid resetting bullet
Spring sets semicircle groove by overcompression, and when being for the ease of installation cylinder cap, cylinder cap is tightened by frock.
In the present embodiment, being provided centrally with being easy to of the piston 2 connects the first internal thread hole of the piston rod 5, outer
Wall, which is from left to right disposed with, is oriented to guide ring 7 and sealing ring 8；By setting guide ring, when being easy to piston movement not with cylinder
Cylinder inwall contact, avoids sealing ring eccentric wear.
In the present embodiment, the through hole for being easy to fixing bolt to pass through is provided with the cylinder bottom plate 1.1；By setting through hole,
Convenient installation cylinder.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The skill of the industry
For art personnel it should be appreciated that the present invention is not limited to the above embodiments, described in above-described embodiment and specification is explanation
The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these
Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and
Its equivalent thereof.
Claims (6)
1. a kind of single-acting cylinder, including cylinder body (1), be arranged on the cylinder body (1) cylinder cap (4), be slidably arranged in it is described
Piston (2) and one end in cylinder body (1) are connected with the piston (2), the piston rod (5) of the other end stretching cylinder cap (4), institute
Stating cylinder body (1) includes cylinder bottom plate (1.1) and the cylinder barrel (1.2) being arranged on the cylinder bottom plate (1.1), the cylinder bottom plate (1.1)
On be provided with air admission hole, be provided with suction hole on the cylinder cap (4), it is characterised in that：The cross sectional shape of the piston rod (5) is
Square and one end are provided with the first external screw thread for being used to be connected with the piston (2), the end face of the other end is provided with second
Screwed hole, the back-moving spring (3) for being easy to the piston (2) to reset is provided between the piston (2) and the cylinder cap (4), it is described
The circular groove for preventing that the set (4.1) of the back-moving spring (3) overcompression from inserting is provided with cylinder cap (4), being additionally provided with prevents
The lock-screw (10) that the cylinder cap (4) relatively rotates with the cylinder barrel (1.2).
A kind of 2. single-acting cylinder according to claim 1, it is characterised in that：The piston rod (5) stretches out cylinder cap (4) end
Four sides be provided with connection screw thread hole.
A kind of 3. single-acting cylinder according to claim 1, it is characterised in that：The outer wall of the cylinder cap (4) is from left to right
Be disposed be easy to assembling multiple semi-circular recesses, for be connected with the cylinder barrel (1.2) the second external screw thread, be easy to hold
Receive the annular grooves of O-ring seals, the cylinder cap (4) is provided centrally with being easy to the square opening that the piston rod (5) passes through, institute
State the dust-proof ring recess for being provided with square opening and being easy to accommodate dust ring (6).
A kind of 4. single-acting cylinder according to claim 1, it is characterised in that：It is described set (4.1) by welding with it is described
Cylinder cap (4) links together.
A kind of 5. single-acting cylinder according to claim 1, it is characterised in that：Piston (2) are provided centrally with just
The first internal thread hole, outer wall in the connection piston rod (5), which are from left to right disposed with, is oriented to guide ring (7) and sealing ring
(8)。
A kind of 6. single-acting cylinder according to claim 1, it is characterised in that：It is provided with just on the cylinder bottom plate (1.1)
In the through hole that fixing bolt passes through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710842208.1A CN107504013A (en) | 2017-09-18 | 2017-09-18 | A kind of single-acting cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710842208.1A CN107504013A (en) | 2017-09-18 | 2017-09-18 | A kind of single-acting cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107504013A true CN107504013A (en) | 2017-12-22 |
Family
ID=60697564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710842208.1A Withdrawn CN107504013A (en) | 2017-09-18 | 2017-09-18 | A kind of single-acting cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107504013A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676607A (en) * | 2020-06-05 | 2020-09-18 | 山东容润丰地毯有限公司 | Constant force straining device and tufting machine |
-
2017
- 2017-09-18 CN CN201710842208.1A patent/CN107504013A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676607A (en) * | 2020-06-05 | 2020-09-18 | 山东容润丰地毯有限公司 | Constant force straining device and tufting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171222 |
|
| WW01 | Invention patent application withdrawn after publication |