CN102189920A - Bidirectional retractable rod device - Google Patents
Bidirectional retractable rod device Download PDFInfo
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- CN102189920A CN102189920A CN2010101397123A CN201010139712A CN102189920A CN 102189920 A CN102189920 A CN 102189920A CN 2010101397123 A CN2010101397123 A CN 2010101397123A CN 201010139712 A CN201010139712 A CN 201010139712A CN 102189920 A CN102189920 A CN 102189920A
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- bar
- hollow tube
- interior
- lever apparatus
- directional expansion
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Abstract
The invention relates to a bidirectional retractable rod device, which comprises a hollow pipe, wherein two end openings of the hollow pipe are provided with an inner rod retraction guide seat respectively; inner rod retraction guide seats are provided with a guide hole respectively; two guide holes are slidably provided with an inner rod respectively; two inner rods are inserted into the hollow pipe from the two ends of the hollow pipe respectively; one end of one inner rod and one end of another inner rod, which are extended into the hollow pipe, are nailed with a falling-prevention pin of which the length is greater than the diameter of each guide hole in the radial direction respectively; and a superposed section is formed when the two inner rods are all retracted into the hollow pipe. By the device, a rod group can be bidirectionally retracted, the problem that the conventional product can only be retracted in a single direction is solved, and the applicability of the device is improved; the inner rods can be mutually superposed to form the superposed section when retracted inwards, so that accommodation space is saved, and the device is convenient to carry; and the invention has the characteristics that: the device can be flexibly retracted and is convenient to operate and control.
Description
Technical field
The present invention relates to a kind of expansion link group, particularly a kind of vehicle hides rain and solar protection devices, the more convenient bi-directional expansion bar group of operation respectively in the vehicle both sides.
Background technology
The structure of tradition expansion link is that the hollow tube body of rod by a plurality of different-diameters is socketed to form in regular turn.The hollow tube body of rod of variant diameter, the one end is provided with opening, can for the interior cover body of rod do unidirectional stretch out or in the action of contracting.And the hollow tube body of rod of variant diameter can be provided with a recessed portion of taking turns by an outwardly directed end, the other end then is provided with an eccentric projection, when the hollow tube body of rod of these different-diameters is displaced to this recessed portion of wheel and is posted by the position of this eccentric projection, the hollow tube body of rod of these different-diameters can't be protruding again.Rotate this hollow tube body of rod, then this eccentric projection can be withstood the inner tubal wall of the adjacent hollow tube body of rod that wears, and reaches the function of location; If the opposite sense rotation, then eccentric projection can not withstood the inner tubal wall of the adjacent hollow tube body of rod that wears, and makes the hollow tube body of rod capable of expansion and contraction.As can be known, the structure of traditional expansion link can only do unidirectional stretch out or in the function that contracts.
Expansion link is present in various application scenarios, and what see all is unidirectional expansion link, but on the equipment of special-purpose, just develop a kind of vehicle before the applicant as this case and hide rain and solar protection devices, and to China national Department of Intellectual Property proposition utility application (application number: 200420001426.0), wherein hide rain and puggaree curtain stirrup near the fixer of its two ora terminalis position, if its length is too short then to hide rain and the puggaree curtain can not open, otherwise then collect and carry difficult if the length of stirrup is oversize.
If the support level bar that uses the bi-directional expansion lever apparatus of new research and development to be used as between stirrup or cloth curtain central authorities partly uses, just can solve these defectives, believe it is that the customer finds pleasure in and sees.
Summary of the invention
In view of this, for improving the shortcoming of located by prior art, the application creator's process is made great efforts research and experiment for a long time, and development and Design goes out a kind of bi-directional expansion lever apparatus finally, can more conveniently collect the time save space easily in the operation, be easy to carry, and cost-cutting.
For achieving the above object, the technical solution used in the present invention is:
A kind of bi-directional expansion lever apparatus, it is characterized in that: comprise a hollow tube, the two-port of this hollow tube is respectively equipped with the flexible guide seat of an interior bar, should respectively be provided with a guide hole by the flexible guide seat of interior bar, respectively be slidingly equipped with an interior bar in these two guide holes, in described two interior bars stretch through this hollow tube from the two ends of this hollow tube respectively, and an end that stretches in this hollow tube at these two interior bars radially hammers into the anticreep nail of a length greater than the guide hole diameter respectively; These two interior bars have one section overlay segment when equal this hollow tubes of retraction.
In the preferable technical scheme: these two guide holes all are positioned on the central axis of this hollow tube, and the diameter sum of these two interior bars is less than the internal diameter of this hollow tube, and these two interior bars are bar in the flexibility.
In the preferable technical scheme: the equal diameters of bar in these two flexibilitys, and all less than 1/2nd of the internal diameter of this hollow tube.
In the preferable technical scheme: these two guide holes all are positioned on the central axis of this hollow tube, in these two interior bars one is the interior bar of bendable not, another is a bar in the flexibility, this not in the bendable distance between the inwall of bar and hollow tube greater than the diameter of bar in this flexibility.
In the preferable technical scheme: the end that these two interior bars stretch in this hollow tube all passes through chamfered.
In the preferable technical scheme: the two-port at this hollow tube respectively is provided with a rotational lock registration device, this rotational lock registration device comprises spiral tube and the swivel nut pipe that a parafacies is spirally connected mutually, this spiral tube one end with should in the flexible guide seat of bar affixed or with this in the flexible guide seat of bar one-body molded, this spiral tube other end then is provided with the open slot that at least one runs through this spiral tube tube wall vertically, this swivel nut pipe is screwed onto on the outside face of this spiral tube, and, corresponding to this spiral tube one end of open slot is set, the inwall of this swivel nut pipe is provided with one section reducing slope.
In the preferable technical scheme: these two guide holes are parallel to each other and are positioned on the different axis, and the distance between the axis of these two guide holes is greater than 1/2nd of the diameter sum of these two interior bars.
In the preferable technical scheme: these two guide holes are arranged on the both sides of the axis of this hollow tube symmetrically, and the diameter of two interior bars is identical.
In the preferable technical scheme: the two-port at this hollow tube respectively is arranged with a terminal spring-backed quill, and the side of this end spring-backed quill is provided with the constrained port that passes for interior bar, and the diameter of this constrained port is less than the external diameter of bar in this.
In the preferable technical scheme: the flexible guide seat of bar all has an end to expose to the port of this hollow tube in described, is respectively equipped with at least one annular groove on the end that the flexible guide seat of two interior bars exposes.
Compared with prior art, the advantage that adopts the present invention of technique scheme to have is:
(1) the present invention can realize the bi-directional expansion of bar group, and solving traditional product can only unidirectional flexible problem, and applicability strengthens to some extent;
(2) the present invention is when interior contracting, and interior bar will overlapped formation overlay segment, has saved accommodation space, and is easy to carry.
(3) the present invention is capable of expansion and contraction, controls conveniently.
(4) behind anti-skid dose of increase or the terminal spring-backed quill, the flexible stability of bar in can guaranteeing;
(5) set up the rotational lock registration device, interior bar can be fixed on the random length position, use conveniently, locating effect is better.
Description of drawings
Figure 1A, Figure 1B are respectively that the first embodiment of the present invention is in the recessed shape attitude and stretches out the schematic perspective view of state;
Fig. 2 A, Fig. 2 B are respectively that the first embodiment of the present invention is in the recessed shape attitude and stretches out the cutaway view of state;
Fig. 3 is the cutaway view that the second embodiment of the present invention is in the recessed shape attitude;
Fig. 4 is the cutaway view that the third embodiment of the present invention is in the recessed shape attitude;
Fig. 5 is the cutaway view that the fourth embodiment of the present invention is in the state of stretching out;
Fig. 6 is the cutaway view that the fifth embodiment of the present invention is in the state of stretching out;
Fig. 7 A, Fig. 7 B, Fig. 7 C sixth embodiment of the present invention respectively are in the recessed shape attitude and stretch out the cutaway view and the local enlarged diagram of state;
The cutaway view of Fig. 8 seventh embodiment of the present invention.
Description of reference numerals: hollow tube 1; Interior bar 2; Bar 21 in the flexibility; Chamfering 211; The interior bar guide seat 3 that stretches; Guide hole 31; Anti-skid dose 32; Annular groove 33; Anticreep nail 4; Overlay segment L; Terminal spring-backed quill 5; Constrained port 51; Rotational lock registration device 6; Spiral tube 61; Open slot 611; Swivel nut pipe 62; Reducing slope 621.
The specific embodiment
As Figure 1A, Figure 1B, Fig. 2 A, shown in Fig. 2 B, it is the scheme drawing of first embodiment of a kind of bi-directional expansion lever apparatus provided by the invention, as seen from the figure, it comprises a cylindrical hollow tube 1, the two-port of this hollow tube 1 is fixed with the flexible guide seat 3 of an interior bar respectively, should respectively be provided with a guide hole 31 by the flexible guide seat 3 of interior bar, respectively be slidingly equipped with bar 21 in the flexibility in described two guide holes 31, in bar 21 stretches through this hollow tube 1 from the two ends of this hollow tube 1 respectively in described two flexibilitys, and bar 21 stretches into a end in this hollow tube 1 and radially hammers into the anticreep nail 4 of a length greater than guide hole 31 diameters respectively in this flexibility, is used for preventing in this flexibility that bar 21 skids off in this bar guide seat 3 that stretches when mobile hollow tube 1 in.In order to make that bar 21 can be overlapped in two flexibilitys in this hollow tube 1, the diameter sum of these two interior bars 2 should be less than the internal diameter of this hollow tube 1.
And, the length of two interior bars 21 of flexibility also should all deduct the length of the flexible guide seat 3 of an interior bar greater than the length of hollow tube 1, promptly in flexibility bar 21 push away fully also leave behind the retraction hollow tube 1 available finger control pull out in the surplus of bar, and reach the function of bi-directional expansion device.
In above-mentioned first embodiment, under the preferred situation, two guide holes 31 all are positioned on the central axis of this hollow tube 1, and the equal diameters of bars 21 in two flexibilitys, and all less than 1/2nd of the internal diameter of this hollow tube 1.
Be that the present invention is in block diagram and the cutaway view under the recessed shape attitude shown in Figure 1A, Fig. 2 A, in interior compression process, the end that bar 21 stretches in this hollow tube 1 in these two flexibilitys can be touched mutually or interfere, because bar 21 has the flexible of appropriateness in this flexibility, bar 21 will be dodged out in the opposite direction in two flexibilitys, and in this hollow tube 1, form one section overlay segment L, saved accommodation space.
Then be that the present invention is in two-way block diagram and the cutaway view that stretches out under the state shown in Figure 1B, Fig. 2 B, bar 21 is outwards extracted out in the flexible guide seat 3 of interior bar in this flexibility, and anticreep nail 4 with should in the bar position that reaches capacity when guide seat 3 contacts of stretching,
The present invention is used on vehicle screening rain and solar protection devices, rain to strut fully and hide and the puggaree curtain at the two-way state that stretches out, and be easy to collection and carry in that the recessed shape attitude is next, stretch out with in the control of contracting convenient and swift, believe it is a very satisfactory product.
What need replenish is, among first embodiment, in two flexibilitys in the bar arbitrary can with one not the interior bar of bendable substituted, after substituting, this not in the bendable distance between the inwall of bar and hollow tube 1 must pass through for it greater than the diameter of bar in this flexibility.
The present invention only has above-mentioned a kind of embodiment, can also do the perfect or a lot of expansions of some technology and change, and below will expand embodiment with several and be illustrated, and constructional feature of the present invention and using method can more be expressly understood.
As shown in Figure 3, it is the cutaway view of second embodiment of a kind of bi-directional expansion lever apparatus provided by the invention, it comprises a cylindrical hollow tube 1 equally, the two-port of this hollow tube 1 also is fixed with the flexible guide seat 3 of an interior bar respectively, should respectively be provided with a guide hole 31 by the flexible guide seat 3 of interior bar, and second embodiment and the first embodiment difference are, two guide holes 31 are all done eccentric the setting with respect to the central axis of this hollow tube 1, that is, these two guide holes 31 are parallel to each other and not on same axis.Simultaneously, in these two guide holes 31, respectively be slidingly equipped with an interior bar 2, in described two interior bars 2 stretch through this hollow tube 1 from the two ends of this hollow tube 1 respectively, and an end that stretches in this hollow tube 1 at these two interior bars 2 radially hammers into the anticreep nail 4 of a length greater than guide hole 31 diameters respectively; Do not interfere in order to make two interior bars 2 in this hollow tube 1, freely stretch, the diameter sum of these two interior bars 2 should be less than the internal diameter of this hollow tube 1, and the distance between the axis of these two guide holes 31 should be greater than 1/2nd of the diameter sum of these two interior bars 2, to in this hollow tube 1, form one section overlay segment L when contracting in two interior bars 2 thus.
Certainly, the same with first embodiment, the length of two interior bars 2 all deducts the length of the flexible guide seat 3 of an interior bar greater than the length of hollow tube 1, promptly after interior bar 2 pushes away retraction hollow tube 1 fully, also leave available finger control pull out in the surplus of bar, and reach the function of bi-directional expansion device.
In above-mentioned second embodiment, under the preferable case, two guide holes 31 are arranged on the both sides of the axis of this hollow tube 1 symmetrically, and the diameter of two interior bars 2 is identical.
As shown in Figure 3, under retracted mode, expanding-contracting action can be more suitablely finished in two interior bar 2 mutually noninterferes promptly.
It is pointed out that the interior bar 2 among second embodiment, can be to have the flexible body of rod, also can be not have the flexible body of rod, can need adjust flexibly according to using.
As shown in Figure 4, it then is the cutaway view of the 3rd embodiment of a kind of bi-directional expansion lever apparatus provided by the invention, its structure and first embodiment are basic identical, just, bar 21 inner stuck mutually in two flexibilitys and influence contractive action, an end that specially bar 21 in two flexibilitys is stretched in this hollow tube 1 is all handled through chamfering 211, holds thereby can dodge in the opposite direction naturally when push mutually the inner of bar 21 in two flexibilitys.
As shown in Figure 5, it then is the cutaway view of the 4th embodiment of a kind of bi-directional expansion lever apparatus provided by the invention, its structure and first embodiment are basic identical, just, on these two guide hole 31 inside faces, be coated with anti-skid dose 32 (generally can select the PU elastic coating for use), thereby the friction force that bar 21 slides in this guide hole 31 in the increase flexibility, that avoids that bar 21 makes a mistake in the flexibility under external interference moves, resist interference capability to strengthen this bi-directional expansion lever apparatus, thereby improve its stability.Certainly, those skilled in the art can expect easily that also coating is above-mentioned anti-skid dose 32 on the inside face of guide hole 31 in a second embodiment, also can reach the effect that improves stability.
As shown in Figure 6, it then is the cutaway view of the 5th embodiment of a kind of bi-directional expansion lever apparatus provided by the invention, its structure and first embodiment are basic identical, difference is: the two-port at this hollow tube 1 respectively is arranged with a terminal spring-backed quill 5, the side of this end spring-backed quill 5 is provided with the constrained port 51 that passes for bar 21 in the flexibility, and the diameter of this constrained port 51 is less than the external diameter of bar 21 in this flexibility, rely on the convergent force of constrained port 51 to assist the location of bar 21 in the flexibility, can strengthen this bi-directional expansion lever apparatus opposing interference capability equally, improve its stability.Certainly, those skilled in the art also can expect being applied to promptly, setting up this end spring-backed quill 5 among second embodiment easily, utilize the elasticity of the constrained port 51 of this end spring-backed quill 5 to envelope above-mentioned interior bar 2, thereby reach the effect that improves stability.
As Fig. 7 A, Fig. 7 B, shown in Fig. 7 C, it is the cutaway view of the 6th embodiment of a kind of bi-directional expansion lever apparatus provided by the invention, its structure and first embodiment are basic identical, in addition, also the two-port at this hollow tube 1 respectively is provided with a rotational lock registration device 6, this rotational lock registration device 6 comprises the spiral tube 61 and swivel nut pipe 62 that a parafacies is spirally connected mutually, these spiral tube 61 1 ends with should in the flexible guide seat of bar 3 affixed or with this in the flexible guide seat 3 of bar one-body molded, the other end then is provided with at least one open slot 611 that runs through these spiral tube 61 tube walls vertically, this swivel nut pipe 62 is screwed onto on the outside face of this spiral tube 61, and, corresponding to this spiral tube 61 end of open slot 611 is set, the inwall of this swivel nut pipe 62 is provided with one section reducing slope 621.When using above-mentioned rotational lock registration device 6, if will change the collapsing length of bar 21 in this flexibility, then need earlier this swivel nut pipe 62 to be unscrewed, the open slot 611 of this spiral tube 61 is opened and the coating of bar 21 in 61 pairs of these flexibilitys of pine oil spiral tube, and bar 21 can arbitrarily move in this flexibility of pull again; After bar in the flexibility 21 moves to appropriate length, screw this swivel nut pipe 62 again, make the reducing slope 621 of this swivel nut pipe 62 press the corresponding end of this spiral tube 61, because the existence of open slot 611, the described corresponding end of this spiral tube 61 is with bar 21 in the flexibility that wears in this rotational lock registration device 6 of tight pressing, limit it and stretch, thereby reach good locating effect.
As shown in Figure 8, it is the cutaway view of the 7th embodiment of a kind of bi-directional expansion lever apparatus provided by the invention, its structure and the 3rd embodiment are basic identical, its principal feature is: the flexible guide seat 3 of bar all has an end to expose to the port of this hollow tube 1 in described, and on the end that the flexible guide seat 3 of two interior bars exposes, be respectively provided to few annular groove 33, this annular groove 33 can be fixed and prevent from slippage with convenient bi-directional expansion lever apparatus of the present invention to be fixed on hood, roof or other positions around binding for the rope (not shown).
Except above-mentioned embodiment, bar can tilt slide in the aperture that can also strengthen guide hole made, perhaps directly guide hole is made as inclination and interior bar is staggered mutually, can both reach and make two interior bars when equal this hollow tubes of retraction, have the purpose of one section overlay segment, because these technical schemes and not this Applicant's Abstract graph main target have been introduced no longer one by one at this.In addition, though the present invention is to be that example has been introduced constructional feature of the present invention with cylindrical hollow tube 1, but be not the shape that limits hollow tube 1 of the present invention with this, not only the outside face cross section of hollow tube can be changed to ellipse, polygonal shape or other shape, the cross sectional shape of its inside face also can replace with ellipse, polygonal shape or other shape, as long as bar was not overlapping in its inner space size did not influence, all should be considered as feasible technical scheme.
At last, sum up technique scheme as can be known, the present invention has the following advantages:
(1) the present invention can realize the bi-directional expansion of bar group, and solving traditional product can only unidirectional flexible problem, and applicability strengthens to some extent;
(2) the present invention is when interior contracting, and interior bar will overlapped formation overlay segment, has saved accommodation space, and is easy to carry.
(3) the present invention is capable of expansion and contraction, controls conveniently.
(4) behind anti-skid dose of increase or the terminal spring-backed quill, the flexible stability of bar in can guaranteeing;
(5) set up the rotational lock registration device, interior bar can be fixed on the random length position, use conveniently, locating effect is better.
More than explanation is just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited; can make many modifications, variation or equivalence, but all will fall within protection scope of the present invention.
Claims (10)
1. bi-directional expansion lever apparatus, it is characterized in that: comprise a hollow tube, the two-port of this hollow tube is respectively equipped with the flexible guide seat of an interior bar, should respectively be provided with a guide hole by the flexible guide seat of interior bar, respectively be slidingly equipped with an interior bar in these two guide holes, in described two interior bars stretch through this hollow tube from the two ends of this hollow tube respectively, and an end that stretches in this hollow tube at these two interior bars radially hammers into the anticreep nail of a length greater than the guide hole diameter respectively; These two interior bars have one section overlay segment when equal this hollow tubes of retraction.
2. bi-directional expansion lever apparatus according to claim 1 is characterized in that: these two guide holes all are positioned on the central axis of this hollow tube, and the diameter sum of these two interior bars is less than the internal diameter of this hollow tube, and these two interior bars are bar in the flexibility.
3. bi-directional expansion lever apparatus according to claim 2 is characterized in that: the equal diameters of bar in these two flexibilitys, and all less than 1/2nd of the internal diameter of this hollow tube.
4. bi-directional expansion lever apparatus according to claim 1, it is characterized in that: these two guide holes all are positioned on the central axis of this hollow tube, in these two interior bars one is the interior bar of bendable not, another is a bar in the flexibility, this not in the bendable distance between the inwall of bar and hollow tube greater than the diameter of bar in this flexibility.
5. according to claim 2 or 4 described bi-directional expansion lever apparatus, it is characterized in that: the end that these two interior bars stretch in this hollow tube all passes through chamfered.
6. according to claim 2 or 4 described bi-directional expansion lever apparatus, it is characterized in that: the two-port at this hollow tube respectively is provided with a rotational lock registration device, this rotational lock registration device comprises spiral tube and the swivel nut pipe that a parafacies is spirally connected mutually, this spiral tube one end with should in the flexible guide seat of bar affixed or with this in the flexible guide seat of bar one-body molded, this spiral tube other end then is provided with the open slot that at least one runs through this spiral tube tube wall vertically, this swivel nut pipe is screwed onto on the outside face of this spiral tube, and, corresponding to this spiral tube one end of open slot is set, the inwall of this swivel nut pipe is provided with one section reducing slope.
7. bi-directional expansion lever apparatus according to claim 1 is characterized in that: these two guide holes are parallel to each other and are positioned on the different axis, and the distance between the axis of these two guide holes is greater than 1/2nd of the diameter sum of these two interior bars.
8. bi-directional expansion lever apparatus according to claim 7 is characterized in that: these two guide holes are arranged on the both sides of the axis of this hollow tube symmetrically, and the diameter of two interior bars is identical.
9. bi-directional expansion lever apparatus according to claim 1, it is characterized in that: the two-port at this hollow tube respectively is arranged with a terminal spring-backed quill, the side of this end spring-backed quill is provided with the constrained port that passes for interior bar, and the diameter of this constrained port is less than the external diameter of bar in this.
10. bi-directional expansion lever apparatus according to claim 1 is characterized in that: the flexible guide seat of bar all has an end to expose to the port of this hollow tube in described, is respectively equipped with at least one annular groove on the end that the flexible guide seat of two interior bars exposes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101397123A CN102189920A (en) | 2010-03-17 | 2010-03-17 | Bidirectional retractable rod device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101397123A CN102189920A (en) | 2010-03-17 | 2010-03-17 | Bidirectional retractable rod device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102189920A true CN102189920A (en) | 2011-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101397123A Pending CN102189920A (en) | 2010-03-17 | 2010-03-17 | Bidirectional retractable rod device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102189920A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382569A (en) * | 2015-12-15 | 2016-03-09 | 苏州创丰精密五金有限公司 | Telescopic positioning clamp |
| CN106308426A (en) * | 2015-06-23 | 2017-01-11 | 皇田工业股份有限公司 | Telescopic side rod of shielding curtain |
| CN108946019A (en) * | 2018-08-09 | 2018-12-07 | 李舒欣 | A kind of machining production translation mechanism |
| CN113879832A (en) * | 2021-10-18 | 2022-01-04 | 成都泓睿科技有限责任公司 | Telescopic mechanism of soft bag conveying device, soft bag conveying device and using method |
-
2010
- 2010-03-17 CN CN2010101397123A patent/CN102189920A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106308426A (en) * | 2015-06-23 | 2017-01-11 | 皇田工业股份有限公司 | Telescopic side rod of shielding curtain |
| CN106308426B (en) * | 2015-06-23 | 2019-03-08 | 皇田工业股份有限公司 | The flexible side rod of article shading curtain |
| CN105382569A (en) * | 2015-12-15 | 2016-03-09 | 苏州创丰精密五金有限公司 | Telescopic positioning clamp |
| CN108946019A (en) * | 2018-08-09 | 2018-12-07 | 李舒欣 | A kind of machining production translation mechanism |
| CN108946019B (en) * | 2018-08-09 | 2020-10-23 | 李舒欣 | Translation mechanical device for machining production |
| CN113879832A (en) * | 2021-10-18 | 2022-01-04 | 成都泓睿科技有限责任公司 | Telescopic mechanism of soft bag conveying device, soft bag conveying device and using method |
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Application publication date: 20110921 |