CN209009869U - A kind of gas expansion shaft switching device - Google Patents
A kind of gas expansion shaft switching device Download PDFInfo
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- CN209009869U CN209009869U CN201821373374.8U CN201821373374U CN209009869U CN 209009869 U CN209009869 U CN 209009869U CN 201821373374 U CN201821373374 U CN 201821373374U CN 209009869 U CN209009869 U CN 209009869U
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Abstract
The utility model discloses a kind of gas expansion shaft switching devices, for gas expansion shaft of transferring, it including both ends open and is the cylinder of bar shaped, the cylinder be equipped with it is multiple radially through itself and with the one-to-one elastic telescopic teeth of slip key multiple on the gas expansion shaft, the gas expansion shaft coaxially passes through the cylinder and is detachably connected with it and its both ends is pierced by the both ends of the cylinder respectively, and each slip key on the gas expansion shaft is abutted against with the corresponding elastic telescopic tooth position in one end in cylinder respectively；Gas expansion shaft ventilation is so that multiple slip keies thereon synchronize stretching to drive corresponding elastic telescopic tooth is synchronous to stretch out outside the cylinder, or lose heart so that multiple slip keies thereon are extremely resetted with multiple elastic telescopic tooth synchronous on the cylinder.By cylindrical sleeve outside air-expanding shaft, each corresponding elastic telescopic tooth is driven to stretch out outside cylinder by the slip key of air-expanding shaft so that the maximum outside diameter of switching device increases to adapt to the clamping needs of different size cylinder coiled material.
Description
Technical field
The utility model belongs to machinery equipment field more particularly to a kind of air-expanding shaft switching device.
Background technique
The commodity such as roll paper, lithium battery, plastic film in process of production will roll up material.Among these will
Use air-expanding shaft.The use of air-expanding shaft: each fulcrum air-expanding shaft in both sides puts centre, and general two air-expanding shafts are one group.One
Blowing namely unreels end, unreels the no power end in end but can fill on a fulcrum wherein to be tensioned when material will be run
One brake.Another rewinding namely winds end, and it is power output port that, which there is a fulcrum at winding end, exists for entire material
Power is provided when operation.And would generally be needed in process of production because of production at present, produce the specification tubular volume of different inner diameters
Material so then needs to replace air-expanding shaft according to the difference of the internal diameter of product, so causes equipment cost high and complicated for operation,
Maximum outer diameter is 3 cun after air-expanding shaft inflation as used, but the internal diameter of material paper tube is 6 cun, this when or more
It changes 6 cun of air-expanding shaft or will be 6 cun of internal diameter be 3 cun of switching plus an outer diameter on air-expanding shaft using switching device
Device could be used.
There are mainly two types of current switching devices: turn diameter set one is split type, exactly a cylinder is separated from the middle,
With when plug to play the role of between air-expanding shaft and material paper tube increase air-expanding shaft outer diameter；Another kind is that pneumatic type turns diameter
Through-hole is only processed into as the principle of air-expanding shaft in center by swelling shaft.With when first its set on air-expanding shaft, inflatable
Axis inflation the outside swelling of expanding block turn diameter swelling shaft, then be set on the paper tube of material to turn diameter swelling shaft inflation swelling paper tube.
Current art scheme there are the problem of with disadvantage is split type turns diameter set: 1, inconvenient to use, every completions a roll material
It will dismount several times；2, outer diameter is the fixed immutable centrifugation for obtaining, expansive force unevenness being caused to keep the eccentric generation of material appearance very big
Power.Pneumatic type turns diameter swelling shaft；3, it to inflate, deflate several times when using, increasing workload simultaneously to the stabilization of high pressure gas
Property require it is higher；4, there is no navigation designing bad movement on air-expanding shaft.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of structure is simple, and it is easy to use
Air-expanding shaft switching device.
To achieve the goals above, the technical solution of the utility model is as follows: a kind of gas expansion shaft switching device, including both ends
The cylinder of opening, the cylinder be equipped with it is multiple radially run through its side wall, and with slip keies one multiple on the gas expansion shaft
One corresponding elastic telescopic tooth, the gas expansion shaft coaxially passes through the cylinder, and is detachably connected with it, the two of the gas expansion shaft
End is pierced by the both ends of the cylinder respectively, and each slip key on the gas expansion shaft respectively with the corresponding elastic telescopic tooth
One end in the cylinder abuts against；The gas expansion shaft ventilation is so that multiple slip keies thereon synchronize stretching to drive
Corresponding elastic telescopic tooth is synchronous to be stretched out outside the cylinder, or is lost heart so that on multiple slip keies and the cylinder thereon
Multiple elastic telescopic tooth synchronous extremely reset.
The beneficial effect of above-mentioned technical proposal is: its structure is simple, by cylindrical sleeve outside air-expanding shaft, by stretching for air-expanding shaft
Contracting key drives each corresponding elastic telescopic tooth to stretch out, and cylinder is outer so that the maximum outside diameter of switching device increases to adapt to
The clamping of different size cylinder coiled material needs.
It is radially recessed with outward on the inner wall of cylinder described in above-mentioned technical proposal more on the multiple and gas expansion shaft
A slip key corresponds and is that the first groove of bar shaped, multiple elastic telescopic teeth and multiple first grooves one are a pair of
It answers, and each elastic telescopic tooth respectively includes a slide bar and a spring, the slide bar is set along the radial direction of the cylinder
In in correspondence first groove, is extended to close to one end of first groove bottom wall and be pierced by the cylinder and slided with it
Connection, and the both ends difference flanging of the slide bar forms block, wherein the block in the cylinder is the first block,
Block outside cylinder is the second block, and the spring is placed in first groove and is set on the slide bar, two
End is abutted against with the slot bottom of first groove and first block close to one end of the first groove slot bottom respectively, in institute
Under the action of stating spring tension, second block is abutted with the corresponding position of the cylinder outer wall, first block position
At the notch of correspondence first groove；The gas expansion shaft ventilation is so that multiple slip keies thereon synchronize stretching to protrude into
It is abutted in corresponding first groove and with the first block of the corresponding slide bar, and the corresponding slide bar is driven to overcome corresponding institute
State the slot bottom that radially outward slides into its first block with corresponding first groove of the elasticity tension along the cylinder of spring
It abuts against, or loses heart so that multiple slip key synchronous thereon are to resetting, and multiple slide bars on the cylinder
Synchronous extremely resets under the action of it corresponds to the elasticity tension of spring.
The beneficial effect of above-mentioned technical proposal is: its structure is simple, and each slide bar is in air-expanding shaft slip key
Under effect extended cylinder and by the inner cylinder of coiled material clamp, when slip key is contracted in air-expanding shaft, each slide bar with
It is contracted in cylinder under the action of its corresponding spring, and the inner cylinder of coiled material is unclamped.
It is radially recessed with outward on the inner wall of cylinder described in above-mentioned technical proposal more on the multiple and gas expansion shaft
A slip key corresponds and is that the first groove of bar shaped, multiple elastic telescopic teeth and multiple first grooves one are a pair of
It answers, and each elastic telescopic tooth includes multiple slide bars and multiple springs, and multiple springs and multiple slide bars one
One is corresponding, and multiple slide bars are arranged radially and along the cylinder along evenly spaced point of the length direction of first groove
In first groove, each slide bar extends to close to one end of first groove bottom wall and is pierced by the cylinder simultaneously cloth
It is slidably connected with it, and the both ends difference flanging of each slide bar forms block, wherein each slide bar is located at described
Block in cylinder is the first block, and the block outside cylinder is the second block, and multiple springs are respectively placed in corresponding institute
State in the first groove and be set on the corresponding slide bar, and its both ends respectively with the corresponding groove slot bottom and the correspondence cunning
First block of bar is abutted against close to one end of slot bottom, and each slide bar is under the action of the correspondence spring tension, and
Two blocks are abutted with the corresponding position of the cylinder outer wall, and the first block is located at the notch of corresponding first groove；It is described
Gas expansion shaft ventilation so that multiple slip keies thereon it is synchronous stretch out with protrude into corresponding first groove and with it is corresponding described in
The first block of each slide bar abuts in first groove, and multiple slide bars is driven to overcome the elasticity for corresponding to the spring
Tension is abutted against along its first block that radially outward slides into of the cylinder with the slot bottom of corresponding first groove, or is lost heart
So that multiple slip key synchronous thereon are to resetting, multiple slide bars on the cylinder correspond to the bullet of spring at it
Property tension under the action of synchronous to reset.
The beneficial effect of above-mentioned technical proposal is: its structure is simple, and each slide bar is corresponding flexible in air-expanding shaft
Under the action of key extended cylinder and by the inner cylinder of coiled material clamp, when slip key is contracted in air-expanding shaft, each slide bar
It is contracted in cylinder under the action of corresponding spring, and the inner cylinder of coiled material is unclamped.
Corresponding multiple first blocks are integrally formed in each first groove in above-mentioned technical proposal.
The beneficial effect of above-mentioned technical proposal is: its structure is simple, so that the corresponding multiple slide bars of each first groove
Synchronization telescope.
The place of being slidably connected for being located at each slide bar and cylinder on the outer wall of cylinder described in above-mentioned technical proposal is distinguished
The second groove matched equipped with one with the second block of the corresponding slide bar, each sliding bar to when resetting,
The second block corresponding with each slide bar is respectively protruding into corresponding second groove.
The beneficial effect of above-mentioned technical proposal is: its structure is simple, and when air-expanding shaft loses heart, each slide bar is shunk
To its second gear block reset to corresponding second groove, so that there is no protrusions for the outer wall of entire cylinder, consequently facilitating cylinder
In the inner cylinder for the coiled material to be processed being inserted in.
Corresponding multiple second blocks are integrally formed in every each first groove in above-mentioned technical proposal, and each institute
It states corresponding multiple second grooves of multiple slide bars in the first groove to be integrally formed, and multiple second blocks are extend into pair when resetting
It answers and in integrally formed multiple second grooves.
The beneficial effect of above-mentioned technical proposal is: its structure is simple, so that each elastic telescopic tooth is corresponding more
The block at the both ends of a slide bar is linked together respectively.
The internal diameter of cylinder described in above-mentioned technical proposal is equal with the outer diameter of the gas expansion shaft.
The beneficial effect of above-mentioned technical proposal is: so that air-expanding shaft is when being inserted in cylinder, it is more convenient and more convenient
It is positioned.
Detailed description of the invention
Fig. 1 is the structure diagram of switching device described in the utility model embodiment 1 and air-expanding shaft cooperation；
Fig. 2 is the Local map of switching device described in the utility model embodiment 2 and air-expanding shaft cooperation；
Fig. 3 is another Local map of switching device described in the utility model embodiment 2 and air-expanding shaft cooperation；
Fig. 4 is another Local map of switching device described in the utility model embodiment 2 and air-expanding shaft cooperation；
Fig. 5 is another Local map of switching device described in the utility model embodiment 2 and air-expanding shaft cooperation.
In figure: 1 gas expansion shaft, 11 slip keies, 12 connectors, 2 cylinders, 21 elastic telescopic teeth, 211 slide bars, 2,111 first blocks,
2112 second blocks, 212 springs, 22 first grooves, 23 second grooves.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
Embodiment 1
As shown in Figure 1, present embodiments providing a kind of gas expansion shaft switching device, the cylinder (2) including both ends open is described
Cylinder (2) radially runs through its side wall equipped with multiple, and corresponds with slip keies (11) multiple on the gas expansion shaft (1)
Elastic telescopic tooth (21), the gas expansion shaft (1) coaxially passes through the cylinder (2), and is detachably connected with it, the gas expansion shaft
(1) both ends are pierced by the both ends of the cylinder (2) respectively, and each slip key (11) on the gas expansion shaft (1) respectively with it is right
One end that the elastic telescopic tooth (21) answered is located in the cylinder (2) abuts against；The gas expansion shaft (1) ventilation so that its
On multiple slip keies (11) it is synchronous stretch out to drive corresponding elastic telescopic tooth (21) is synchronous to stretch out the cylinder (2) outside, or
Lose heart so that multiple elastic telescopic tooth (21) synchronous on multiple slip keies (11) thereon and the cylinder (2) are to multiple
Position.
Wherein, specifically, being radially recessed with the multiple and gas on the inner wall of cylinder 2 described in the present embodiment outward
The multiple slip keies 11 on axis 1 that rise correspond and are the first groove 22 of bar shaped, multiple elastic telescopic teeth 21 and multiple institutes
The first groove 22 one-to-one correspondence is stated, and each elastic telescopic tooth 21 respectively includes a slide bar 211 and a spring 212,
The slide bar 211 is placed in corresponding first groove 22 along the radial direction of the cylinder 2, close to 22 bottom wall of the first groove
One end extend to and be pierced by the cylinder 2 and be slidably connected with it, and the both ends difference flanging of the slide bar 211 forms gear
Block, wherein the block in the cylinder 2 is the first block 2111, and the block outside cylinder 2 is the second block 2112,
The spring 212 is placed in first groove 22 and is set on the slide bar 211, both ends respectively with first groove
22 slot bottom and first block 2111 are abutted against close to one end of 22 slot bottom of the first groove, in 212 bullet of spring
Under the action of property tension, second block 2112 is abutted with the corresponding position of 2 outer wall of cylinder, first block 2111
At the notch of correspondence first groove 22；The ventilation of gas expansion shaft 1 is so that multiple slip keies 11 thereon synchronize stretching
To protrude into corresponding first groove 22 and abut with the first block 2111 of the corresponding slide bar 211, and drive corresponding institute
Stating slide bar 211 overcomes the elasticity tension of the corresponding spring 212 radially outward to slide into its first block along the cylinder 2
2111 abut against with the slot bottom of corresponding first groove 22, or lose heart so that 11 synchronous of multiple slip keies thereon extremely
It resets, and synchronous under the action of it corresponds to the elasticity tension of spring 212 of multiple slide bars 211 on the cylinder 2
To reset.
The structure of above-mentioned air-expanding shaft switching device is simple, and each slide bar can be stretched under the action of air-expanding shaft slip key
Out cylinder and by the inner cylinder of coiled material clamp, when slip key is contracted in air-expanding shaft, each slide bar is in corresponding bullet
It is contracted in cylinder under the action of spring, and the inner cylinder of coiled material is unclamped.
Preferably, the corresponding position that the cylinder is connect with each sliding bar is respectively equipped with one engaged therewith
Two grooves 23, so that slip key is received into air-expanding shaft when air-expanding shaft loses heart, each slide bar is in corresponding spring
It acts on to being contracted in cylinder, and each second block is stored respectively to corresponding second groove, so that drum surface is in gas
Without protrusion when swelling shaft is lost heart, penetrate convenient for cylinder to the inner cylinder of coiled material to be processed.
Embodiment 2
As shown in Fig. 2, with embodiment 1, difference is, on the inner wall of cylinder 2 described in the present embodiment radially to
It is recessed with multiple the first grooves 22 for corresponding with slip keies 11 multiple on the gas expansion shaft 1 and be bar shaped outside, it is multiple described
Elastic telescopic tooth 21 and multiple first grooves 22 correspond, and each elastic telescopic tooth 21 includes multiple slide bars
211 and multiple springs 212, and multiple springs 212 and multiple slide bars 211 correspond, multiple 211 edges of slide bar
The cylinder 2 is arranged radially and is distributed in first groove 22 along the length direction of first groove 22 is evenly spaced
It is interior, each slide bar 211 extended to close to one end of 22 bottom wall of the first groove be pierced by the cylinder 2 and with its company of sliding
It connects, and the both ends difference flanging of each slide bar 211 forms block, wherein each slide bar 211 is located at the cylinder
Block in 2 is the first block 2111, and the block outside cylinder 2 is the second block 2112, and multiple springs 212 are set respectively
In in correspondence first groove 22 and being set on the corresponding slide bar 211, and its both ends respectively with the corresponding groove 22
First block 2111 of slot bottom and the corresponding slide bar is abutted against close to one end of slot bottom, and each slide bar 211 is in the correspondence bullet
Under the action of 212 elasticity tension of spring, the second block 2112 is abutted with the corresponding position of 2 outer wall of cylinder, the first block position
At the notch of correspondence first groove 22；The ventilation of gas expansion shaft 1 is so that multiple slip keies 11 thereon synchronize stretching
With protrude into corresponding first groove 22 and with the first block of each slide bar 211 in corresponding first groove 22
2111 abut, and multiple slide bars 211 is driven to overcome the elasticity tension of the corresponding spring 212 along the radial direction of the cylinder 2
It slides in and out to its first block 2111 and is abutted against with the slot bottom of corresponding first groove 22, or lose heart so that thereon more
For a 11 synchronous of slip key to resetting, multiple slide bars 211 on the cylinder 2 correspond to the elasticity of spring 212 at it
Synchronous extremely resets under the action of power.Its structure is simple, and each slide bar is under the action of air-expanding shaft corresponds to slip key
Extended cylinder simultaneously clamps the inner cylinder of coiled material, and when slip key is contracted in air-expanding shaft, each slide bar is corresponding
Spring under the action of be contracted in cylinder, and by the inner cylinder of coiled material unclamp.
As shown in Figure 3, it is preferred that corresponding multiple first blocks in each first groove (22) in the present embodiment
(2111) it is integrally formed.
The beneficial effect of above-mentioned technical proposal is: its structure is simple, so that the corresponding multiple slide bars of each first groove
Synchronization telescope.
As shown in figure 4, it is further preferred that being located at each cunning on the outer wall of cylinder 2 described in above-mentioned technical proposal
Bar 211 and the place of being slidably connected of cylinder 2 be respectively equipped with one matched with the second block 2112 of the corresponding slide bar 211
Two grooves 23, when each slide bar 211 resets, second block 2112 corresponding with each slide bar 211 is respectively protruding into
In corresponding second groove 23.Its structure is simple, and when air-expanding shaft loses heart, it is multiple that each slide bar is contracted to its second block
In position to corresponding second groove, so that there is no protrusions for the outer wall of entire cylinder, consequently facilitating the volume to be processed that cylinder is inserted in
In the inner cylinder of material.
As shown in figure 5, it is further preferred that multiple second gear in above-mentioned technical proposal in each first groove 22
Block 2112 is integrally formed, and corresponding multiple second grooves 23 of multiple slide bars 211 are integrally formed in each first groove 2,
And integrally formed multiple second blocks 2112 are extend into corresponding and integrally formed multiple second grooves 23 when resetting.Its
Structure is simple, so that the block at the both ends of the corresponding multiple slide bars of each elastic telescopic tooth is linked together respectively.
Specifically, the internal diameter of cylinder 2 described in above-mentioned technical proposal is equal with the outer diameter of the gas expansion shaft 1.So that inflatable
Axis is more convenient and more convenient positioned when being inserted in cylinder.
Wherein, in the various embodiments described above, when each slide bar resets, the outer wall of corresponding second block and the cylinder
It is bonded or is bonded with the slot bottom of the second groove, corresponding first block is located in corresponding first groove, and the entire circle
The inner wall of cylinder so penetrates in the cylinder convenient for air-expanding shaft without protrusion.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of gas expansion shaft switching device, for gas expansion shaft of transferring (1), which is characterized in that the cylinder (2) including both ends open,
The cylinder (2) radially runs through its side wall equipped with multiple, and one by one with slip keies (11) multiple on the gas expansion shaft (1)
Corresponding elastic telescopic tooth (21), the gas expansion shaft (1) coaxially passes through the cylinder (2), and is detachably connected with it, the gas
The rise both ends of axis (1) are pierced by the both ends of the cylinder (2) respectively, and each slip key (11) on the gas expansion shaft (1) is respectively
It is located at one end in the cylinder (2) with the corresponding elastic telescopic tooth (21) to abut against；The gas expansion shaft (1) ventilate so that
The synchronous stretching of multiple slip keies (11) thereon is obtained to drive corresponding elastic telescopic tooth (21) is synchronous to stretch out the cylinder (2)
Outside, or lose heart so that multiple slip keies (11) thereon receipts synchronous with multiple elastic telescopic tooth (21) on the cylinder (2)
It is reduced to reset.
2. gas expansion shaft switching device according to claim 1, which is characterized in that along its diameter on the inner wall of the cylinder (2)
To be recessed with outward it is multiple with the gas expansion shaft (1) on multiple slip keies (11) correspond and be the first grooves of bar shaped
(22), multiple elastic telescopic teeth (21) and multiple first grooves (22) correspond, and each elastic telescopic
Tooth (21) respectively includes a slide bar (211) and a spring (212), and the slide bar (211) is set along the radial direction of the cylinder (2)
In correspondence first groove (22), is extended to close to one end of the first groove (22) bottom wall and be pierced by the cylinder
(2) and with it is slidably connected, and the both ends difference flanging of the slide bar (211) forms block, wherein be located at the cylinder
(2) block in is the first block (2111), and being located at the block of cylinder (2) outside is the second block (2112), the spring (212)
Be placed in first groove (22) and be set on the slide bar (211), both ends respectively with first groove (22)
Slot bottom and first block (2111) are abutted against close to one end of the first groove (22) slot bottom, in the spring (212)
Under the action of elasticity tension, second block (2112) abuts with the corresponding position of the cylinder (2) outer wall, first block
(2111) it is located at the notch of corresponding first groove (22)；The gas expansion shaft (1) ventilation is so that thereon multiple flexible
Key (11) is synchronous stretch out with protrude into corresponding first groove (22) and with the first block of the corresponding slide bar (211)
(2111) it abuts, and the corresponding slide bar (211) is driven to overcome the elasticity tension of the corresponding spring (212) along the cylinder
(2) its first block (2111) that radially outward slides into is abutted against with the slot bottom of corresponding first groove (22), or is lost heart
So that multiple slip keies (11) synchronous thereon extremely resets, and multiple slide bars (211) on the cylinder (2) exist
Synchronous extremely resets under the action of its elasticity tension for corresponding to spring (212).
3. gas expansion shaft switching device according to claim 1, which is characterized in that along its diameter on the inner wall of the cylinder (2)
To be recessed with outward it is multiple with the gas expansion shaft (1) on multiple slip keies (11) correspond and be the first grooves of bar shaped
(22), multiple elastic telescopic teeth (21) and multiple first grooves (22) correspond, and each elastic telescopic
Tooth (21) includes multiple slide bars (211) and multiple springs (212), and multiple springs (212) and multiple slide bars (211)
It corresponds, multiple slide bars (211) are arranged radially and along the cylinder (2) along the length side of first groove (22)
It is distributed in first groove (22) to evenly spaced, each slide bar (211) is close to the first groove (22) bottom
One end of wall, which extends to, to be pierced by the cylinder (2) and is slidably connected with it, and the both ends of each slide bar (211) are turned up respectively
Side forms block, wherein it is the first block (2111) that each slide bar (211), which is located at the block in the cylinder (2), is located at
The block of cylinder (2) outside is the second block (2112), and multiple springs (212) are respectively placed in corresponding first groove (22)
It is interior and be set on the corresponding slide bar (211), and its both ends respectively with corresponding groove (22) slot bottom and the correspondence cunning
The first block (2111) of bar is abutted against close to one end of slot bottom, and each slide bar (211) is in the correspondence spring (212) elasticity
Under the action of power, the second block (2112) is abutted with the corresponding position of the cylinder (2) outer wall, and the first block is located at corresponding institute
At the notch for stating the first groove (22)；The gas expansion shaft (1) ventilation so that multiple slip keies (11) thereon it is synchronous stretch out with
Protrude into corresponding first groove (22) and with the first gear of each slide bar (211) in corresponding first groove (22)
Block (2111) abuts, and multiple slide bars (211) is driven to overcome the elasticity tension of the corresponding spring (212) along the cylinder
(2) its first block (2111) that radially outward slides into is abutted against with the slot bottom of corresponding first groove (22), or is lost heart
So that multiple slip keies (11) synchronous thereon is to resetting, multiple slide bars (211) on the cylinder (2) are at it
Synchronous extremely resets under the action of the elasticity tension of corresponding spring (212).
4. gas expansion shaft switching device according to claim 3, which is characterized in that corresponding in each first groove (22)
Multiple first blocks (2111) be integrally formed.
5. the gas expansion shaft switching device according to any one of claim 2-4, which is characterized in that outside the cylinder (2)
It is located at each slide bar (211) on wall and the place of being slidably connected of cylinder (2) is respectively equipped with one and the corresponding slide bar
(211) the second groove (23) that the second block (2112) matches, it is and every when each slide bar (211) slides into reset
Corresponding second block (2112) of a slide bar is respectively protruding into correspondence second groove (23).
6. gas expansion shaft switching device according to claim 5, which is characterized in that corresponding in each first groove (22)
Multiple second blocks (2112) be integrally formed, and multiple slide bars (211) are corresponding multiple in each first groove (22)
Second groove (23) is integrally formed, and multiple second blocks (2112) extend into when resetting it is corresponding and integrally formed multiple the
In two grooves (23).
7. gas expansion shaft switching device according to claim 6, which is characterized in that the internal diameter and the gas of the cylinder (2)
Rise axis (1) outer diameter it is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821373374.8U CN209009869U (en) | 2018-08-24 | 2018-08-24 | A kind of gas expansion shaft switching device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821373374.8U CN209009869U (en) | 2018-08-24 | 2018-08-24 | A kind of gas expansion shaft switching device |
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| CN209009869U true CN209009869U (en) | 2019-06-21 |
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ID=66831708
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| CN201821373374.8U Active CN209009869U (en) | 2018-08-24 | 2018-08-24 | A kind of gas expansion shaft switching device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112008286A (en) * | 2020-09-04 | 2020-12-01 | 崔用钢 | Spiral piece feeding mechanism |
| CN113369352A (en) * | 2021-07-28 | 2021-09-10 | 德州富蓝德过滤器有限公司 | Edge folding device for tea filter net barrel |
-
2018
- 2018-08-24 CN CN201821373374.8U patent/CN209009869U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112008286A (en) * | 2020-09-04 | 2020-12-01 | 崔用钢 | Spiral piece feeding mechanism |
| CN113369352A (en) * | 2021-07-28 | 2021-09-10 | 德州富蓝德过滤器有限公司 | Edge folding device for tea filter net barrel |
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