CN114876979A - Elastic telescopic matching transmission rod assembly for lifting table - Google Patents
Elastic telescopic matching transmission rod assembly for lifting table Download PDFInfo
- Publication number
- CN114876979A CN114876979A CN202210327331.0A CN202210327331A CN114876979A CN 114876979 A CN114876979 A CN 114876979A CN 202210327331 A CN202210327331 A CN 202210327331A CN 114876979 A CN114876979 A CN 114876979A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- transmission rod
- locking
- lifting table
- assembly
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
- F16D63/008—Brakes acting on a linearly moving member
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B13/00—Details of tables or desks
- A47B13/02—Underframes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/20—Telescopic guides
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses an elastic telescopic matching transmission rod component for a lifting table, which comprises: the sleeve is of a hollow structure with two open ends; the transmission head is arranged at one end of the sleeve, the sleeve is in limit fit with the transmission rod along the circumferential direction of the sleeve, and the sleeve is in limit fit with the transmission rod along the axial direction of the sleeve; the elastic piece is arranged in the sleeve, and one end of the elastic piece is abutted against the transmission head; one end of the transmission rod extends into the other end of the sleeve and abuts against the other end of the elastic part; the locking assembly is arranged at the other end of the sleeve, the locking assembly is in limit fit with the sleeve along the axis of the sleeve, and the transmission rod is clamped by the locking assembly. The invention can be operated and finished by one-time pressing and one-time rotating of the locking assembly without carrying out multiple fixing operations by a user.
Description
Technical Field
The invention relates to the technical field of lifting tables, in particular to an elastic telescopic matching transmission rod assembly for a lifting table.
Background
In the prior art, the transmission rod for the lifting table is mostly a manual screwing thread fixed type telescopic transmission rod or an integral transmission rod fixed through screws, the transmission rod needs to be unscrewed before installation, and the problem that the transmission rod needs to be screwed and fixed for many times after stretching is solved, so that the operation is troublesome and inconvenient.
Disclosure of Invention
To the above-mentioned problem that current transfer line exists, aim at providing a lift table is with flexible cooperation transfer line subassembly now, press one through locking Assembly and change and can operate the completion, need not the user and carry out fixed operation many times.
The specific technical scheme is as follows:
an elastic telescopic matching transmission rod assembly for a lifting table, comprising:
the sleeve is of a hollow structure with two open ends;
the transmission head is arranged at one end of the sleeve, the sleeve is in limit fit with the transmission rod along the circumferential direction of the sleeve, and the sleeve is in limit fit with the transmission rod along the axial direction of the sleeve;
the elastic piece is arranged in the sleeve, and one end of the elastic piece is abutted against the transmission head;
one end of the transmission rod extends into the other end of the sleeve and abuts against the other end of the elastic part;
the locking assembly is installed at the other end of the sleeve, the locking assembly is in limit fit with the sleeve along the axis of the sleeve, and the locking assembly clamps the transmission rod.
Foretell lift table is with flexible cooperation drive rod subassembly, wherein, locking Assembly includes:
the extrusion sleeve is sleeved on the transmission rod;
the lock cover is arranged at the other end of the sleeve and extrudes the extrusion sleeve, so that the extrusion sleeve clamps the transmission rod.
In the above elastic telescopic matching transmission rod assembly for the lifting table, two locking grooves are formed in the side wall of the other end of the sleeve, two convex columns are arranged on the inner wall of the locking cover, and the two convex columns are respectively in limit matching with the two locking grooves;
when the locking cover is sleeved on the other end of the sleeve, the two convex columns respectively extend into the two locking grooves, and the sleeve or the locking cover is rotated, so that the two convex columns are respectively in limit fit with the two locking grooves along the axial direction of the sleeve.
In the above elastic telescopic matching transmission rod assembly for the lifting table, a convex ring is arranged on the periphery of the extrusion sleeve, the other end of the sleeve is sleeved on the part of the extrusion sleeve, and the end part of the other end of the sleeve is abutted to the convex ring.
The elastic telescopic matching transmission rod assembly for the lifting table is characterized in that the extrusion sleeve is provided with a clamping ring, a plurality of gaps are arranged on the periphery of the clamping ring at equal intervals along the circumferential direction of the extrusion sleeve, and when the locking cover is arranged at the other end of the sleeve, the locking cover extrudes the clamping ring so that the clamping ring clamps the transmission rod.
In the elastic telescopic matching transmission rod assembly for the lifting table, the outer peripheral wall of the clamping ring is obliquely arranged, the inner peripheral wall of the lock cover is obliquely arranged, and when the lock cover is installed at the other end of the sleeve, the inclined surface on the lock cover is abutted against the inclined surface on the clamping ring.
Foretell lift table is with flexible cooperation drive rod subassembly of elasticity, wherein, it is equidistant to be equipped with a plurality of strengthening ribs along its circumferencial direction in the sheathed tube interior week, it is equidistant to be equipped with a plurality of first draw-in grooves along its circumferencial direction in the at least part periphery of transmission head, it is equidistant to be equipped with a plurality of second draw-in grooves, a plurality of to extrude at least part periphery of cover along its circumferencial direction be the second draw-in groove, extend to the bulge loop, a plurality of the one end of strengthening rib stretches into a plurality of respectively in the first draw-in groove, a plurality of the other end of strengthening rib stretches into a plurality of respectively in the second draw-in groove.
The elastic telescopic matching transmission rod component for the lifting table is characterized in that a supporting sleeve is further arranged in the sleeve, the supporting sleeve is arranged at one end of the transmission rod, and the other end of the elastic part is abutted to the supporting sleeve.
The elastic telescopic matching transmission rod assembly for the lifting table is characterized in that a through hole is formed in the extrusion sleeve, and the cross section of the through hole is the same as that of the transmission rod.
The lifting table is matched with the transmission rod assembly in an elastic telescopic manner, wherein the elastic piece is an elastic piece; the transmission rod is a hexagonal rod.
Compared with the prior art, the technical scheme has the positive effects that:
according to the invention, the two convex columns on the lock cover are respectively arranged in the two lock grooves of the sleeve, and are clamped by mutual rotation, so that the limit matching is realized, the operation can be completed by one-time rotation, and a user does not need to perform multiple fixing operations, so that the device is convenient and has high dismounting efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of an elastically and telescopically cooperating driving rod assembly for a lifting table according to the present invention;
FIG. 2 is an enlarged view of the elastic telescopic matching transmission rod assembly of the lifting table of the present invention at the point A in FIG. 1;
FIG. 3 is an enlarged view of the elastic telescopic matching transmission rod assembly of the lifting table of the present invention at B in FIG. 1;
FIG. 4 is an enlarged view of the resilient, telescopically engaging driving rod assembly of the elevating table of the present invention at C in FIG. 1;
FIG. 5 is a schematic structural view of a driving head of the elastically and telescopically engaged driving rod assembly for a lifting table according to the present invention;
FIG. 6 is a schematic structural view of a sleeve of the elastically and telescopically engaged driving rod assembly for a lifting table according to the present invention;
FIG. 7 is an enlarged view of the resilient, telescopically engaging driving rod assembly of the elevating table of the present invention at D in FIG. 6;
FIG. 8 is a schematic structural view of an extrusion sleeve of an elastically and telescopically engaged driving rod assembly for a lifting table according to the present invention;
FIG. 9 is a schematic structural view of a lock cover of an elastically and telescopically engaged driving rod assembly for a lifting table according to the present invention;
in the drawings: 1. a sleeve; 2. a drive head; 3. an elastic member; 4. a transmission rod; 5. extruding a sleeve; 6. a locking cover; 7. locking the groove; 8. a convex column; 9. a convex ring; 10. a clamping ring; 11. a gap; 12. reinforcing ribs; 13. a first card slot; 14. a second card slot; 15. supporting and sleeving; 16. a through hole; 17. an axial lead-in groove; 18. a circumferential limit groove.
Detailed Description
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
Fig. 1 is a schematic view of an overall structure of an elastically telescopic-engaging driving rod assembly for a lifting table according to the present invention, and as shown in fig. 1, an elastically telescopic-engaging driving rod assembly for a lifting table according to a preferred embodiment is shown, including: sleeve pipe 1, transmission head 2, elastic component 3, transfer line 4 and locking Assembly, sleeve pipe 1 is the open hollow structure in both ends, transmission head 2 installs in sleeve pipe 1's one end, sleeve pipe 1 and transfer line 4 are along the spacing cooperation of sleeve pipe 1's circumference, sleeve pipe 1 and transfer line 4 are along the spacing cooperation of sleeve pipe 1's axial, elastic component 3 is located in the sleeve pipe 1, elastic component 3's one end offsets with transmission head 2, the one end of transfer line 4 stretches into in the other end of sleeve pipe 1, and offset with elastic component 3's the other end, locking Assembly installs on sleeve pipe 1's the other end, locking Assembly and sleeve pipe 1 are along the spacing cooperation of sleeve pipe 1's axis, and locking Assembly presss from both sides tight transfer line 4.
Further, as a preferred embodiment, the locking assembly comprises: the extrusion sleeve 5 is sleeved on the transmission rod 4, the locking cover 6 is installed at the other end of the sleeve 1, and the locking cover 6 extrudes the extrusion sleeve 5 so that the extrusion sleeve 5 clamps the transmission rod 4.
Further, as a preferred embodiment, two locking grooves 7 are formed on the side wall of the other end of the sleeve 1, two protruding columns 8 are formed on the inner wall of the locking cover 6, and the two protruding columns 8 are respectively in limit fit with the two locking grooves 7.
Further, as a preferred embodiment, when the locking cap 5 is sleeved on the other end of the sleeve 1, the two protruding columns 8 respectively extend into the two locking grooves 7, and the sleeve 1 or the locking cap 6 is rotated, so that the two protruding columns 8 are respectively in limit fit with the two locking grooves 7 along the axial direction of the sleeve 1.
The above are merely preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The present invention also has the following embodiments in addition to the above:
in a further embodiment of the present invention, please refer to fig. 1, the extrusion sleeve 5 has a protruding ring 9 on its outer circumference, the other end of the sleeve 1 is sleeved on a portion of the extrusion sleeve 5, and the end of the other end of the sleeve 1 abuts against the protruding ring 9.
In a further embodiment of the invention, the pressure jacket 5 is provided with a clamping ring 10, the periphery of the clamping ring 10 is provided with a plurality of gaps 11 at equal intervals along the circumferential direction, when the locking cover 6 is arranged at the other end of the sleeve 1, the locking cover 6 presses the clamping ring 10, so that the clamping ring 10 clamps the transmission rod 4.
In a further embodiment of the invention, the outer circumferential wall of the clamping ring 10 is inclined, the inner circumferential wall of the locking cap 6 is inclined, and when the locking cap 6 is mounted on the other end of the sleeve 1, the inclined surface on the locking cap 6 is abutted against the inclined surface on the clamping ring 10.
In a further embodiment of the present invention, the inner circumference of the casing 1 is provided with a plurality of reinforcing ribs 12 at equal intervals along the circumferential direction thereof, at least a portion of the outer circumference of the driving head 2 is provided with a plurality of first engaging grooves 13 at equal intervals along the circumferential direction thereof, at least a portion of the outer circumference of the extrusion sleeve 5 is provided with a plurality of second engaging grooves 14 at equal intervals along the circumferential direction thereof, the plurality of second engaging grooves 14 extend to the protruding ring 9, one ends of the plurality of reinforcing ribs 12 respectively extend into the plurality of first engaging grooves 13, and the other ends of the plurality of reinforcing ribs 12 respectively extend into the plurality of second engaging grooves 14.
In a further embodiment of the present invention, a supporting sleeve 15 is further disposed in the sleeve 1, the supporting sleeve 15 is sleeved on one end of the transmission rod 4, and the other end of the elastic element 3 abuts against the supporting sleeve 15.
In a further embodiment of the invention, the extrusion housing 5 has a through-opening 16 therein, the cross-sectional shape of the through-opening 16 being identical to the cross-sectional shape of the transmission rod 4.
In a further embodiment of the invention, the elastic element 3 is an elastic element.
In a further embodiment of the invention, the transmission rod 4 is a hexagonal rod.
According to the invention, the two convex columns 8 on the lock cover 6 are respectively arranged in the two lock grooves 7 of the sleeve 1 and are mutually rotated and clamped, so that the limit matching is realized, the operation can be completed by one-time pressing and one-time rotating, the fixing operation of a user is not required for multiple times, and the device is convenient and has high dismounting efficiency.
Preferably, the two locking grooves 7 are both L-shaped, and the convex columns 8 are both cylindrical.
Preferably, each locking groove 7 comprises: the axial guide groove 17 is arranged on the outer wall of the sleeve 1 along the axial direction of the sleeve 1, the circumferential limiting groove 18 is arranged on the outer wall of the sleeve 1 along the circumferential direction of the sleeve 1, the axial guide groove 17 is perpendicular to the circumferential limiting groove 18 to form an L-shaped groove, and the communication part of the axial guide groove 17 and the circumferential limiting groove 18 is positioned at one end, close to the transmission head 2, of the axial guide groove 17.
Preferably, the locking cover 6 is installed from one end of the axial guide groove 17 far away from the transmission head 2, the convex column 8 is installed in the axial guide groove 17 at the moment, the locking cover 6 is pressed until the convex column 8 reaches one end, close to the transmission head 2, of the axial guide groove 17, the sleeve 1 and the locking cover 6 rotate mutually, the convex column 8 enters the circumferential limiting groove 18 at the moment, after the convex column 8 and the circumferential limiting groove 18 are loosened, the axial limiting fit of the convex column 8 and the circumferential limiting groove 18 along the sleeve 1 is achieved, namely, one manual pressing and one rotation are achieved, and the operation is convenient.
Preferably, the diameter of the convex column 8 is equal to the width of the circumferential limiting groove 18.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a lift table is with flexible cooperation drive rod subassembly which characterized in that includes:
the sleeve is of a hollow structure with two open ends;
the transmission head is arranged at one end of the sleeve, the sleeve is in limit fit with the transmission rod along the circumferential direction of the sleeve, and the sleeve is in limit fit with the transmission rod along the axial direction of the sleeve;
the elastic piece is arranged in the sleeve, and one end of the elastic piece is abutted against the transmission head;
one end of the transmission rod extends into the other end of the sleeve and abuts against the other end of the elastic part;
the locking assembly is arranged at the other end of the sleeve, the locking assembly is in limit fit with the sleeve along the axis of the sleeve, and the transmission rod is clamped by the locking assembly.
2. An elastically and telescopically engaging drive rod assembly for a lifting table according to claim 1, wherein said locking assembly comprises:
the extrusion sleeve is sleeved on the transmission rod;
the lock cover is arranged at the other end of the sleeve and extrudes the extrusion sleeve, so that the extrusion sleeve clamps the transmission rod.
3. The elastically and telescopically engaged driving lever assembly for a lifting table as claimed in claim 2, wherein the side wall of the other end of the sleeve is provided with two locking grooves, and the inner wall of the locking cover is provided with two protruding columns which are respectively engaged with the two locking grooves in a limiting manner;
when the locking cover is sleeved on the other end of the sleeve, the two convex columns respectively extend into the two locking grooves, and the sleeve or the locking cover is rotated, so that the two convex columns are respectively in limit fit with the two locking grooves along the axial direction of the sleeve.
4. The elastic telescopic matching transmission rod assembly for the lifting table as claimed in claim 3, wherein a convex ring is arranged on the periphery of the extrusion sleeve, the other end of the sleeve is sleeved on a part of the extrusion sleeve, and the end part of the other end of the sleeve is abutted against the convex ring.
5. An elastically and telescopically engaged drive rod assembly for a lifting table as claimed in claim 4, wherein said pressing sleeve has a clamping ring on its outer periphery, a plurality of gaps are provided at equal intervals in the circumferential direction of said clamping ring, and when said locking cap is mounted on the other end of said sleeve, said locking cap presses said clamping ring to make said clamping ring clamp said drive rod.
6. An elastically and telescopically engaged driving lever assembly for a lifting table as claimed in claim 5, wherein an outer peripheral wall of the clamping ring is inclined, an inner peripheral wall of the lock cover is inclined, and when the lock cover is mounted on the other end of the sleeve, the inclined surface of the lock cover is abutted against the inclined surface of the clamping ring.
7. The elastically and telescopically matched transmission rod assembly for the lifting table as claimed in claim 4, wherein the inner periphery of the sleeve is provided with a plurality of reinforcing ribs at equal intervals along the circumferential direction thereof, at least part of the outer periphery of the transmission head is provided with a plurality of first clamping grooves at equal intervals along the circumferential direction thereof, at least part of the outer periphery of the extrusion sleeve is provided with a plurality of second clamping grooves at equal intervals along the circumferential direction thereof, the plurality of second clamping grooves extend to the convex ring, one ends of the plurality of reinforcing ribs extend into the plurality of first clamping grooves respectively, and the other ends of the plurality of reinforcing ribs extend into the plurality of second clamping grooves respectively.
8. The elastically and telescopically engaged driving rod assembly for a lifting table as claimed in claim 1, wherein a support sleeve is further disposed in the sleeve, the support sleeve is disposed on one end of the driving rod, and the other end of the elastic member abuts against the support sleeve.
9. The elastically and telescopically engaging driving rod assembly for a lifting table according to claim 2, wherein a through hole is formed in the extrusion sleeve, and a cross-sectional shape of the through hole is identical to a cross-sectional shape of the driving rod.
10. An elastically and telescopically engaging driving rod assembly for a lifting table according to claim 9, wherein said elastic member is an elastic member; the transmission rod is a hexagonal rod.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210327331.0A CN114876979A (en) | 2022-03-30 | 2022-03-30 | Elastic telescopic matching transmission rod assembly for lifting table |
| US17/818,079 US11925265B2 (en) | 2022-03-30 | 2022-08-08 | Transmission rod assembly and a height-adjustable desk thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210327331.0A CN114876979A (en) | 2022-03-30 | 2022-03-30 | Elastic telescopic matching transmission rod assembly for lifting table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114876979A true CN114876979A (en) | 2022-08-09 |
Family
ID=82670049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210327331.0A Pending CN114876979A (en) | 2022-03-30 | 2022-03-30 | Elastic telescopic matching transmission rod assembly for lifting table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114876979A (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1983003450A1 (en) * | 1982-03-30 | 1983-10-13 | GIACOMINI, Jean, François | Means for temporarily locking a relative position between two bodies, telescopically displaceable in relation to each other |
| CN2077239U (en) * | 1990-12-01 | 1991-05-22 | 戴友锡 | Elastic telescoping curtain rail |
| DE29714394U1 (en) * | 1997-08-12 | 1998-12-10 | Lenhart, Klaus, 73275 Ohmden | Length-adjustable tube, especially for ski or hiking poles |
| CN1260153A (en) * | 1998-12-18 | 2000-07-19 | 向阳技研株式会社 | Telescopic component, tubelike body and formed body |
| CN2641362Y (en) * | 2002-04-27 | 2004-09-15 | 朱国一 | Structure for connecting pipe or tube |
| CN101346576A (en) * | 2005-12-28 | 2009-01-14 | 林诺曼弗罗托股份有限公司 | Support particularly for optical or photographic use |
| CN202182089U (en) * | 2011-06-07 | 2012-04-04 | 宁波利铭金属制品有限公司 | Locking device for connecting expansion links |
| CN104454840A (en) * | 2014-12-08 | 2015-03-25 | 浙江波斯实业有限公司 | Telescopic transmission pipe |
| CN205534706U (en) * | 2016-01-27 | 2016-08-31 | 严传 | Novel elastic expansion water pipe sleeve spare and elastic expansion water pipe |
| CN107420390A (en) * | 2017-06-19 | 2017-12-01 | 长沙华健医疗设备有限公司 | A kind of expansion link |
| CN209644379U (en) * | 2019-01-10 | 2019-11-19 | 浙江友强实业有限公司 | A kind of telescoping mechanism |
| CN210106321U (en) * | 2019-06-26 | 2020-02-21 | 郑成林 | Combined telescopic rod convenient to assemble and easy to store and transport |
| CN111237726A (en) * | 2020-02-19 | 2020-06-05 | 沈阳大学 | Adjustable classroom lamp hanger rod |
| CN211476875U (en) * | 2020-01-06 | 2020-09-11 | 河南首安保安服务有限公司 | Telescopic control mechanism of spontoon |
| CN111706584A (en) * | 2020-05-09 | 2020-09-25 | 浙江捷昌线性驱动科技股份有限公司 | Lifting upright post gap piece mounting assembly and lifting upright post |
| CN212899272U (en) * | 2020-07-14 | 2021-04-06 | 任纪伟 | Exempt from flexible vaulting pole that punches |
| CN215423321U (en) * | 2021-05-24 | 2022-01-07 | 宁波志扬人体工学有限公司 | Lifting table with replaceable table top plate |
-
2022
- 2022-03-30 CN CN202210327331.0A patent/CN114876979A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1983003450A1 (en) * | 1982-03-30 | 1983-10-13 | GIACOMINI, Jean, François | Means for temporarily locking a relative position between two bodies, telescopically displaceable in relation to each other |
| CN2077239U (en) * | 1990-12-01 | 1991-05-22 | 戴友锡 | Elastic telescoping curtain rail |
| DE29714394U1 (en) * | 1997-08-12 | 1998-12-10 | Lenhart, Klaus, 73275 Ohmden | Length-adjustable tube, especially for ski or hiking poles |
| CN1260153A (en) * | 1998-12-18 | 2000-07-19 | 向阳技研株式会社 | Telescopic component, tubelike body and formed body |
| CN2641362Y (en) * | 2002-04-27 | 2004-09-15 | 朱国一 | Structure for connecting pipe or tube |
| CN101346576A (en) * | 2005-12-28 | 2009-01-14 | 林诺曼弗罗托股份有限公司 | Support particularly for optical or photographic use |
| CN202182089U (en) * | 2011-06-07 | 2012-04-04 | 宁波利铭金属制品有限公司 | Locking device for connecting expansion links |
| CN104454840A (en) * | 2014-12-08 | 2015-03-25 | 浙江波斯实业有限公司 | Telescopic transmission pipe |
| CN205534706U (en) * | 2016-01-27 | 2016-08-31 | 严传 | Novel elastic expansion water pipe sleeve spare and elastic expansion water pipe |
| CN107420390A (en) * | 2017-06-19 | 2017-12-01 | 长沙华健医疗设备有限公司 | A kind of expansion link |
| CN209644379U (en) * | 2019-01-10 | 2019-11-19 | 浙江友强实业有限公司 | A kind of telescoping mechanism |
| CN210106321U (en) * | 2019-06-26 | 2020-02-21 | 郑成林 | Combined telescopic rod convenient to assemble and easy to store and transport |
| CN211476875U (en) * | 2020-01-06 | 2020-09-11 | 河南首安保安服务有限公司 | Telescopic control mechanism of spontoon |
| CN111237726A (en) * | 2020-02-19 | 2020-06-05 | 沈阳大学 | Adjustable classroom lamp hanger rod |
| CN111706584A (en) * | 2020-05-09 | 2020-09-25 | 浙江捷昌线性驱动科技股份有限公司 | Lifting upright post gap piece mounting assembly and lifting upright post |
| CN212899272U (en) * | 2020-07-14 | 2021-04-06 | 任纪伟 | Exempt from flexible vaulting pole that punches |
| CN215423321U (en) * | 2021-05-24 | 2022-01-07 | 宁波志扬人体工学有限公司 | Lifting table with replaceable table top plate |
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