CN207278615U - A kind of cylinder - Google Patents
A kind of cylinder Download PDFInfo
- Publication number
- CN207278615U CN207278615U CN201721202878.9U CN201721202878U CN207278615U CN 207278615 U CN207278615 U CN 207278615U CN 201721202878 U CN201721202878 U CN 201721202878U CN 207278615 U CN207278615 U CN 207278615U
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- CN
- China
- Prior art keywords
- cylinder
- piston
- cylinder cap
- easy
- cap
- 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 - Fee Related
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Abstract
It the utility model is related to a kind of 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, is provided between the piston and the cylinder cap easy to the resetting spring of the piston reset.A kind of cylinder described in the utility model, by setting square piston bar, avoids piston rod opposing cylinder from rotating；By setting resetting 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 resetting spring by overcompression.
Description
Technical field
A kind of cylinder is the utility model is related to, belongs to pneumatic equipment technical field.
Background technology
The piston rod of existing cylinder is all cylindrical, is lived when the moving mechanism of cylinder movement is subject to radial forces
Stopper rod can relatively rotate with cylinder body, and cylinder is relatively rotated with moving mechanism in order to prevent, it usually needs in moving mechanism
Set guide rod to be oriented to, be oriented to by guide rod and just can ensure that piston of the moving mechanism for needing precisely to orient along cylinder
Bar releases the stroke rectilinear direction retracted and works.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 occupied space and equipment weight itself of equipment are increased, causes greatly to waste.
The content of the invention
According to the above-mentioned deficiencies in the prior art, the technical problems to be solved in the utility model is：A kind of cylinder is provided, is led to
Setting square piston bar is crossed, avoids piston rod opposing cylinder from rotating；By setting lock-screw, prevent from using process middle cylinder
The threaded connection of lid and cylinder barrel loosens, by setting resetting spring so that automatically by piston reset after the completion of cylinder extending action.
Cylinder described in the utility model, including cylinder body, be arranged on the cylinder body cylinder cap, be slidably arranged in the cylinder
Piston and one end in body are connected with the piston, the piston rod of the other end stretching cylinder cap, and the cylinder body includes cylinder bottom plate
With the cylinder barrel being arranged on the cylinder bottom plate, air admission hole is provided with the cylinder bottom plate, is set on the cylinder cap and suction hole, institute
State the cross sectional shape of piston rod and the first external screw thread, the other end for being connected with the piston are provided with for square and one end
End face is provided with the second internal thread hole, is provided between the piston and the cylinder cap easy to the resetting spring of the piston reset,
The circular groove for the set insertion for preventing the resetting spring overcompression is provided with the cylinder cap, being additionally provided with prevents the cylinder cap
The lock-screw relatively rotated with the cylinder barrel.
Further, four sides of the piston rod stretching head side are both provided with connection screw thread hole.
Further, the outer wall of the cylinder cap is from left to right disposed with multiple semi-circular recesses easy to assembling, is used for
The second external screw thread for being connected with the cylinder barrel, easy to accommodate the annular groove of O-ring seals, the cylinder cap is provided centrally with just
In be provided with the square hole that the piston rod passes through, the square hole easy to accommodate dustband dust-proof ring recess.
Further, the set is linked together by welding with the cylinder cap.
Further, the piston is provided centrally with easy to connect 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 passed through easy to fixing bolt on the cylinder bottom plate.
Compared with prior art, the utility model has the advantages that：
By a kind of cylinder described in the utility model, by setting square piston bar, piston rod opposing cylinder is avoided to send out
It is raw to rotate；By setting resetting spring so that automatically by piston reset after the completion of cylinder extending action；By being set on cylinder cap
Semi-circular recesses, easy to which cylinder cap is tightened on cylinder body, stretches into cylinder body end in cylinder cap and set set, limit the stroke of piston, avoid
Resetting spring is by overcompression, by setting lock-screw, prevents the threaded connection of cylinder cap and cylinder barrel during use from loosening.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the attachment structure schematic diagram of the cylinder cap and set of the utility model；
In figure：1st, cylinder body, 1.1, cylinder bottom plate, 1.2, cylinder barrel, 2, piston, 3, resetting spring, 4, cylinder cap, 4.1, set, 5, living
Stopper rod, 6, dustband, 7, guide ring, 8, sealing ring, 9, O-ring seals, 10, lock-screw.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings：
Below by way of specific embodiment, the utility model is described in further detail, but not to limit the utility model, it is all
Within spirit of the invention and principle, any modification, equivalent replacement, improvement and so on, should be included in the utility model
Within protection domain.
As shown in 1-3, the 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, and the cylinder body 1 wraps
Cylinder bottom plate 1.1 and the cylinder barrel 1.2 being arranged on the cylinder bottom plate 1.1 are included, air admission hole is provided with the cylinder bottom plate 1.1, it is described
Set on cylinder cap 4 and suction hole, the cross sectional shape of the piston rod 5 are provided with and are used for and the piston 2 for square and one end
Connected the first external screw thread, the end face of the other end are provided with the second internal thread hole, are provided between the piston 2 and the cylinder cap 4
Easy to the resetting spring 3 of the piston 2 reset, the set 4.1 for preventing 3 overcompression of resetting spring is provided with the cylinder cap 4
The circular groove of insertion, is additionally provided with the lock-screw 10 for preventing that the cylinder cap 4 from relatively rotating with the cylinder barrel 1.2；By setting
Square piston bar is put, avoids piston rod opposing cylinder from rotating；By setting resetting spring so that cylinder extending action is completed
Afterwards automatically by piston reset；By setting lock-screw, the threaded connection loosening of cylinder cap and cylinder barrel during use is prevented；Pass through
Semi-circular recesses are set on cylinder cap, easy to which cylinder cap is tightened on cylinder body, cylinder body end is stretched into cylinder cap and set is set, limit piston
Stroke, avoid resetting spring by overcompression.
In the present embodiment, four sides that the piston rod 5 stretches out 4 end of cylinder cap are both provided with connection screw thread hole；By setting
Connection screw thread hole is put, 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 with multiple semi-circular recesses easy to assembling,
For be connected with the cylinder barrel 1.2 the second external screw thread, easy to accommodate the annular groove of O-ring seals 9, in the cylinder cap 4
The heart is provided with the square hole passed through easy to the piston rod 5, is provided with the square hole easy to accommodate the dustband of dustband 6
Groove, the set 4.1 are linked together by welding with the cylinder cap 4；By setting the second external screw thread, easy to which cylinder cap is fixed on
On cylinder barrel, it is to avoid dust, impurity from entering cylinder body at piston rod to set dustband, 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 service life 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, the piston 2 is provided centrally with easy to connect the first internal thread hole, outer of the piston rod 5
Wall, which is from left to right disposed with, is oriented to guide ring 7 and sealing ring 8；By setting guide ring, easy to during piston motion not with cylinder
Cylinder inner wall contact, avoids sealing ring eccentric wear.
In the present embodiment, the through hole passed through easy to fixing bolt is provided with the cylinder bottom plate 1.1；By setting through hole,
Convenient installation cylinder.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.This
The technical staff of industry is retouched in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
That states merely illustrates the principles of the invention, and on the premise of not departing from the spirit and scope of the utility model, the utility model can also
There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model will
Protection domain is asked to be defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of cylinder, including cylinder body (1), be arranged on the cylinder body (1) cylinder cap (4), be slidably arranged in the cylinder body (1)
In piston (2) and one end be connected with the piston (2), the other end stretches out the piston rod (5) of the cylinder cap (4), the cylinder body
(1) include cylinder bottom plate (1.1) and the cylinder barrel (1.2) being arranged on the cylinder bottom plate (1.1), set on the cylinder bottom plate (1.1)
There is air admission hole, suction hole be provided with the cylinder cap (4), it is characterised in that：The cross sectional shape of the piston rod (5) is square
And one end is 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 the second internal thread hole,
The resetting spring (3) resetted easy to the piston (2), the cylinder cap (4) are provided between the piston (2) and the cylinder cap (4)
On be provided with the circular groove for preventing that the set (4.1) of the resetting spring (3) overcompression is inserted into, being additionally provided with prevents the cylinder cap
(4) lock-screw (10) relatively rotated with the cylinder barrel (1.2).
A kind of 2. cylinder according to claim 1, it is characterised in that：The piston rod (5) stretches out four of cylinder cap (4) end
Side is both provided with connection screw thread hole.
A kind of 3. cylinder according to claim 1, it is characterised in that：The outer wall of the cylinder cap (4) is from left to right set successively
Be equipped with multiple semi-circular recesses easy to assembling, for be connected with the cylinder barrel (1.2) the second external screw thread, easy to accommodating O shapes
The annular groove of sealing ring, the square hole for being provided centrally with passing through easy to the piston rod (5) of the cylinder cap (4), the side
It is provided with shape hole easy to accommodate the dust-proof ring recess of dustband (6).
A kind of 4. cylinder according to claim 1, it is characterised in that：The set (4.1) passes through welding and the cylinder cap (4)
Link together.
A kind of 5. cylinder according to claim 1, it is characterised in that：The piston (2) is provided centrally with easy to connection
The first internal thread hole, the outer wall of the 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. cylinder according to claim 1, it is characterised in that：It is provided with the cylinder bottom plate (1.1) easy to fix
The through hole that bolt passes through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721202878.9U CN207278615U (en) | 2017-09-18 | 2017-09-18 | A kind of cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721202878.9U CN207278615U (en) | 2017-09-18 | 2017-09-18 | A kind of cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207278615U true CN207278615U (en) | 2018-04-27 |
Family
ID=61981477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721202878.9U Expired - Fee Related CN207278615U (en) | 2017-09-18 | 2017-09-18 | A kind of cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207278615U (en) |
-
2017
- 2017-09-18 CN CN201721202878.9U patent/CN207278615U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180427 Termination date: 20180918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |