CN217191737U - Expansion and contraction take-up mechanism - Google Patents
Expansion and contraction take-up mechanism Download PDFInfo
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- CN217191737U CN217191737U CN202220872215.2U CN202220872215U CN217191737U CN 217191737 U CN217191737 U CN 217191737U CN 202220872215 U CN202220872215 U CN 202220872215U CN 217191737 U CN217191737 U CN 217191737U
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- expansion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
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Abstract
The utility model discloses an expansion and contraction take-up mechanism, which comprises an expansion and contraction power rod, an expansion and contraction connecting sleeve and an expansion and contraction take-up structure; the expansion and contraction power rod penetrates through the expansion and contraction connecting sleeve and drives the expansion and contraction connecting sleeve to move; at least one group of expansion and contraction take-up structures are arranged on the outer wall of the expansion and contraction connecting sleeve in the circumferential direction, and each group of expansion and contraction take-up structures comprises an expansion and contraction take-up cylinder piece, an expansion and contraction claw, an expansion and contraction cylinder piece connecting rod and an expansion and contraction claw connecting rod; the expansion and contraction claw is hinged on the outer wall of the expansion and contraction connecting sleeve and is hinged with the expansion and contraction take-up reel sheet through an expansion and contraction claw connecting rod; the expansion and contraction winding drum piece and the expansion and contraction connecting sleeve are hinged together through the expansion and contraction drum piece connecting rod, and an expansion and contraction claw receiving area used for receiving the expansion and contraction claw in a contraction state is reserved between the expansion and contraction winding drum piece and the outer wall of the expansion and contraction connecting sleeve. The expansion claw and the expansion take-up barrel piece are directly hinged to the circumferential outer wall of the expansion connecting sleeve, the expansion adjusting gap enables the expansion connecting sleeve and the expansion take-up barrel piece to synchronously act, and the end of the expansion take-up barrel piece is provided with an expansion limiting structure to enable the expansion take-up barrel piece to smoothly move during expansion and contraction.
Description
Technical Field
The utility model belongs to the technical field of metal wire manufacturing equipment technique and specifically relates to an expanding and contracting admission machine constructs is related to.
Background
The existing rewinding machines on the market are various in types, the horizontal rewinding machine is most widely applied in the field of steel wire manufacturing equipment, the cold rewinding machine belongs to a spool and is generally accepted by users, the number of users is the largest, although the cold rewinding machine of the spool realizes large-scale steel wire rewinding production to a certain extent, the rewinding machine has quite large use limitation, the rewinding machine can only be used for rewinding the steel bars under the normal temperature state, in addition, after the rewinding machine finishes rewinding, the rewinding machine needs to be disassembled, a new spool is replaced, the next winding is started, the disassembled spool with the steel bars can only be disassembled to withdraw the steel bars, then the disassembled spool needs to be reassembled, the whole rewinding process is time-consuming and labor-consuming, the efficiency is low, and the generated cost is high.
SUMMERY OF THE UTILITY MODEL
Not enough to the description among the above-mentioned prior art, the utility model provides an expanding and contracting admission machine constructs.
The utility model discloses the technical scheme who adopts does:
an expansion and contraction take-up mechanism comprises an expansion and contraction power rod, an expansion and contraction connecting sleeve and an expansion and contraction take-up structure; the expansion and contraction power rod penetrates through the expansion and contraction connecting sleeve and drives the expansion and contraction connecting sleeve to move; at least one group of expansion and contraction take-up structures are arranged on the outer wall of the expansion and contraction connecting sleeve in the circumferential direction, and each group of expansion and contraction take-up structures comprises an expansion and contraction take-up cylinder piece, an expansion and contraction claw, an expansion and contraction cylinder piece connecting rod and an expansion and contraction claw connecting rod; one end of the expansion and contraction claw is hinged to the outer wall of the expansion and contraction connecting sleeve and is hinged to the inner wall of the expansion and contraction take-up reel piece through an expansion and contraction claw connecting rod; one end of the expansion cylinder sheet connecting rod is hinged to the outer wall of the expansion connecting sleeve, the other end of the expansion cylinder sheet connecting rod is hinged to the inner wall of the expansion take-up cylinder sheet, and an expansion claw receiving area used for receiving an expansion claw in a contraction state is reserved between the expansion take-up cylinder sheet and the outer wall of the expansion connecting sleeve. The expansion and contraction power rod can move in a telescopic mode under the driving of the expansion and contraction power rod, the expansion and contraction connecting sleeve moves under the driving of the expansion and contraction power rod, the expansion and contraction claw and the expansion and contraction cylinder piece connecting rod can be driven to move in the moving process, and the expansion and contraction claw is driven to expand to the outside of the expansion and contraction cylinder piece and vertically abuts against the outer wall of the expansion and contraction cylinder piece; the expansion cylinder piece is expanded under the driving of the expansion claw connecting rod and the expansion cylinder piece connecting rod to form a wire collecting cylinder; after the wire is taken up, the expansion and shrinkage power rod moves reversely, the expansion and shrinkage claw is contracted to an expansion and shrinkage claw storage area to be stored, and the expansion and shrinkage barrel piece is stored. The wire harness on the expansion and contraction take-up drum formed by the expansion and contraction drum sheets is retracted.
As an optimized scheme of the utility model, at least two sets of breathing receipts line structure are installed to breathing adapter sleeve outer wall circumference. And the at least two groups of expansion and shrinkage take-up structures form an expansion and shrinkage take-up cylinder.
As a preferred scheme of the utility model, the terminal surface of breathing adapter sleeve is equipped with the breathing arm-tie, and breathing power pole passes behind the breathing arm-tie and is connected with shrink top spare, and shrink top spare and breathing arm-tie reserve have breathing regulation clearance, and the position that is located breathing adapter sleeve at the breathing power pole is equipped with the bloated piece that backs up. Because the expansion-contraction time difference exists between the expansion-contraction connecting sleeve and the expansion-contraction wire-receiving barrel piece, the expansion-contraction adjusting gap can be arranged to enable the expansion-contraction connecting sleeve and the expansion-contraction wire-receiving barrel piece to expand and contract simultaneously, when the expansion sleeve expands, the expansion-contraction adjusting gap is formed when the distance between the expansion top piece and the inner wall of the expansion-contraction pulling plate is expanded and contracted in an initial state, the expansion-contraction power rod can firstly stretch and expand the length of the expansion-contraction adjusting gap to enable the expansion top piece to support the expansion-contraction pulling plate, and at the moment, the gap between the contraction top piece and the expansion-contraction pulling plate is the expansion-contraction adjusting gap; the expansion and contraction pull plate drives the expansion and contraction connecting sleeve to move, an expansion and contraction claw and an expansion and contraction cylinder sheet connecting rod which are hinged with the expansion and contraction connecting sleeve move along with the expansion and contraction claw, the expansion and contraction claw is expanded, an expansion and contraction take-up cylinder sheet is synchronously expanded, otherwise, when the expansion and contraction claw moves, a gap between the contraction ejecting piece and the expansion and contraction pull plate is an expansion and contraction adjusting gap, the expansion and contraction power rod moves reversely by the length of the expansion and contraction adjusting gap in advance to enable the contraction ejecting piece and the expansion and contraction pull plate to abut against each other to drive the expansion and contraction pull plate to move reversely, the expansion and contraction pull plate drives the expansion and contraction connecting sleeve to move, the expansion and contraction claw and the expansion and contraction take-up cylinder sheet are retracted, and the expansion and contraction claw can be accommodated in an expansion and contraction claw accommodating area.
As an optimized proposal of the utility model, the expansion power rod is connected with the adjustable shrinkage top piece after passing through the expansion pulling plate. The adjustable connection enables the expansion and contraction adjusting gap to be adjustable and can be changed according to actual needs.
As a preferred scheme of the utility model, be equipped with the breathing reinforcing plate in breathing adapter sleeve outer wall axial, the breathing reinforcing plate and the breathing line structure one-to-one, the breathing line structure articulates on the breathing reinforcing plate. The expansion and contraction reinforcing plate enhances the strength of the expansion and contraction connecting sleeve.
As a preferred scheme of the utility model, the end surface of the expansion and contraction take-up cylinder piece close to the expansion and contraction claw is provided with an expansion limiting groove; the expansion claw which is expanded to the right position is positioned in the expansion limiting groove, and the strength of the shielding piece which serves as the expansion claw is enhanced.
As an optimized proposal of the utility model, the end face of the expansion claw which is far away from the expansion take-up cylinder piece is provided with an expansion limit structure.
As a preferred scheme of the utility model, the expansion limiting structure comprises an expansion limiting baffle and an expansion limiting plate, the expansion limiting baffle is sleeved outside the expansion power rod, and the expansion power rod moves relative to the expansion limiting baffle; the expansion limiting baffle is provided with an expansion limiting slideway, and the expansion limiting plate is positioned on the expansion limiting slideway and slides along the expansion limiting slideway; the expansion limiting plate is connected with the expansion take-up cylinder sheet. The expansion limiting baffle plate serves as a baffle plate during wire winding and also provides a limiting track during expansion and contraction of the expansion and contraction take-up barrel piece; in order to better limit the expansion and contraction movement of the expansion and contraction winding barrel piece, the expansion and contraction limiting plate is intersected with the expansion and contraction winding barrel piece in the arrangement direction, and is preferably vertically arranged.
As the utility model discloses a preferred scheme, be equipped with the spacing gyro wheel of breathing on the breathing limiting plate, the spacing gyro wheel of breathing slides along the spacing slide of breathing, and the setting of the spacing gyro wheel of breathing reduces the friction between breathing limiting plate and the spacing slide of breathing, makes it can the rapid response.
As the utility model discloses an optimal scheme, the breathing limiting plate passes the spacing slide setting of breathing and all is equipped with the spacing gyro wheel of breathing in the both sides that the limiting plate that breathing is located the spacing slide of breathing, sets the spacing spout of breathing to logical groove structure, and both sides set up the spacing gyro wheel of breathing and make the more quick removal of the limiting plate of breathing.
As a preferred scheme of the utility model, the terminal surface of the expansion limit baffle towards the expansion adapter sleeve is equipped with the spacing chamber of expansion cover, and the tip that the expansion claw was kept away from to the expansion adapter sleeve can enter into the spacing chamber of expansion cover when contracting.
The utility model discloses all directly articulate the circumference outer wall at the breathing adapter sleeve with breathing claw and breathing receipts bobbin piece to setting up breathing regulation clearance at the breathing power pole with the terminal surface of breathing adapter sleeve, making breathing adapter sleeve and breathing receipts bobbin piece can the synchronization action, set up breathing limit structure at the tip of breathing receipts bobbin piece moreover, make breathing receipts bobbin piece smooth movement when breathing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a first cross-sectional view of the present invention.
Fig. 3 is a second cross-sectional view of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
The embodiment is as follows:
example (b):
an expansion and contraction take-up mechanism is shown in figure 1 and comprises an expansion and contraction power rod 1, an expansion and contraction connecting sleeve 2 and an expansion and contraction take-up structure; the expansion and contraction power rod 1 penetrates through the expansion and contraction connecting sleeve 2 and drives the expansion and contraction connecting sleeve 2 to move; a plurality of groups of expansion and contraction take-up structures, preferably at least two groups, are arranged on the outer wall of the expansion and contraction connecting sleeve 2 in the circumferential direction, and six groups are adopted in the embodiment.
Each group of the expansion and contraction take-up structures comprises an expansion and contraction take-up barrel piece 3, an expansion and contraction claw 4, an expansion and contraction barrel piece connecting rod 5 and an expansion and contraction claw connecting rod 6; one end of the expansion and contraction claw 4 is hinged on the outer wall of the expansion and contraction connecting sleeve 2 and is hinged with the inner wall of the expansion and contraction take-up reel piece 3 through an expansion and contraction claw connecting rod 6; the expansion and contraction claw is positioned outside the expansion and contraction take-up barrel sheet in the expansion and contraction state; when in a contraction state, the expansion and contraction connecting sleeve is contained between the expansion and contraction winding barrel piece and the expansion and contraction connecting sleeve.
One end of an expansion cylinder sheet connecting rod 5 is hinged to the outer wall of the expansion connecting sleeve 2, the other end of the expansion cylinder sheet connecting rod 5 is hinged to the inner wall of an expansion take-up cylinder sheet 3, and an expansion claw receiving area used for receiving an expansion claw in a contraction state is reserved between the expansion take-up cylinder sheet 3 and the outer wall of the expansion connecting sleeve 2.
In order to enhance the strength of the expansion and contraction claw serving as the wire collecting shielding piece, an expansion limiting groove is formed in the end face, close to the expansion and contraction claw 4, of the expansion and contraction wire collecting barrel piece 3; the expansion claw which is expanded to the right position is positioned in the expansion limiting groove.
The expansion and contraction power rod can move in a telescopic mode under the driving of the expansion and contraction power rod, the expansion and contraction connecting sleeve moves under the driving of the expansion and contraction power rod, the expansion and contraction claw and the expansion and contraction cylinder piece connecting rod can be driven to move in the moving process, and the expansion and contraction claw is driven to expand to the outside of the expansion and contraction cylinder piece and vertically abuts against the outer wall of the expansion and contraction cylinder piece; the expansion cylinder piece is expanded under the driving of the expansion claw connecting rod and the expansion cylinder piece connecting rod to form a wire collecting cylinder; after the wire is collected, the expansion and contraction power rod moves reversely, the expansion and contraction claw is contracted to the expansion and contraction claw storage area to be stored, and the expansion and contraction barrel piece is stored. The wire harness on the expansion and contraction take-up drum formed by the expansion and contraction drum sheets is retracted.
The specific scheme of moving the expansion and contraction connecting sleeve by the expansion and contraction power rod is that as shown in fig. 2 and 3, an expansion and contraction pulling plate 7 is arranged on the end face of the expansion and contraction connecting sleeve 2, the expansion and contraction power rod 1 penetrates through the expansion and contraction pulling plate 7 and then is connected with a contraction ejecting member 8, an expansion and contraction adjusting gap 9 is reserved between the contraction ejecting member 8 and the expansion and contraction pulling plate 7, and in order to improve the applicability, the embodiment adopts adjustable connection, namely the expansion and contraction adjusting gap is changed by changing the position of the contraction ejecting member on the expansion and contraction power rod, and the contraction ejecting member can adopt a nut; and the position of the expansion power rod 1 in the expansion connecting sleeve 2 is provided with an expansion top part 10, the expansion top part can adopt a nut or can be directly provided with a bulge or a necking part on the expansion power rod, the end surface of the necking part is used as an expansion end surface, and the necking part passes through the expansion pulling plate.
Because the expansion-contraction time difference exists between the expansion-contraction connecting sleeve and the expansion-contraction take-up barrel piece, the expansion-contraction adjusting gap can be arranged to enable the expansion-contraction connecting sleeve and the expansion-contraction take-up barrel piece to expand and contract simultaneously, when the expansion sleeve is expanded, the expansion-contraction adjusting gap is formed when the distance between the expansion jacking piece and the inner wall of the expansion-contraction pulling plate is expanded and contracted in an initial state, the expansion-contraction power rod can firstly stretch the length of the expansion-contraction adjusting gap to enable the expansion jacking piece to jack the expansion-contraction pulling plate, and at the moment, the gap between the contraction jacking piece and the expansion-contraction pulling plate is the expansion-contraction adjusting gap; the expansion and contraction pull plate drives the expansion and contraction connecting sleeve to move, an expansion and contraction claw and an expansion and contraction cylinder sheet connecting rod which are hinged with the expansion and contraction connecting sleeve move along with the expansion and contraction claw, the expansion and contraction claw is expanded, an expansion and contraction take-up cylinder sheet is synchronously expanded, otherwise, when the expansion and contraction claw moves, a gap between the contraction ejecting piece and the expansion and contraction pull plate is an expansion and contraction adjusting gap, the expansion and contraction power rod moves reversely by the length of the expansion and contraction adjusting gap in advance to enable the contraction ejecting piece and the expansion and contraction pull plate to abut against each other to drive the expansion and contraction pull plate to move reversely, the expansion and contraction pull plate drives the expansion and contraction connecting sleeve to move, the expansion and contraction claw and the expansion and contraction take-up cylinder sheet are retracted, and the expansion and contraction claw can be accommodated in an expansion and contraction claw accommodating area.
In order to improve the strength of the expansion and contraction connecting sleeve, an expansion and contraction reinforcing plate 11 is axially arranged on the outer wall of the expansion and contraction connecting sleeve 2, the expansion and contraction reinforcing plate 11 corresponds to the expansion and contraction wire winding structures one by one, and the expansion and contraction wire winding structures are hinged on the expansion and contraction reinforcing plate 11.
In order to guide and limit the expansion and contraction process of the expansion and contraction winding barrel piece, an expansion and contraction limiting structure is arranged on the end face, far away from the expansion and contraction claw 4, of the expansion and contraction winding barrel piece 3.
The expansion limiting structure comprises an expansion limiting baffle 13 and an expansion limiting plate 14, the expansion limiting baffle 13 is sleeved outside the expansion power rod 1, and the expansion power rod 1 moves relative to the expansion limiting baffle 13; an expansion limiting slide way 15 is arranged on the expansion limiting baffle 13, and an expansion limiting plate 14 is positioned on the expansion limiting slide way 15 and slides along the expansion limiting slide way 15; the expansion limiting plate 14 is connected with the expansion take-up reel piece 3.
The expansion limiting baffle plate serves as a baffle plate during wire winding and also provides a limiting track during expansion and contraction of the expansion and contraction take-up barrel piece; in order to better limit the expansion and contraction movement of the expansion and contraction winding drum piece, the expansion and contraction limiting plate 14 is intersected with the arrangement direction of the expansion and contraction winding drum piece 3, and is preferably vertically arranged.
And in order to reduce the friction between the spacing slide of breathing out limiting plate and breathing out, make it can the rapid response, be equipped with the spacing gyro wheel 16 of breathing out on the spacing limiting plate 14 of breathing out, the spacing gyro wheel 16 of breathing out slides along the spacing slide 15 of breathing out, in this embodiment, sets the spacing spout of breathing out to logical groove structure, and the spacing slide 15 of breathing out is passed to the spacing slide 14 of breathing out and all is equipped with the spacing gyro wheel 16 of breathing out in the both sides that the spacing slide 15 of breathing out is located the spacing slide 15 of breathing out at the spacing limiting plate 14 of breathing out, and both sides set up the spacing gyro wheel of breathing out and make the more quick removal of the spacing slide of breathing out.
And the end face of the expansion and contraction limiting baffle 13 facing the expansion and contraction connecting sleeve 2 is provided with an expansion and contraction sleeve limiting cavity 17, and the end part of the expansion and contraction connecting sleeve far away from the expansion and contraction claw can enter the expansion and contraction sleeve limiting cavity when contracting, so that the contraction stroke is further limited.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides an expanding and contracting take-up mechanism which characterized in that: comprises an expansion power rod (1), an expansion connecting sleeve (2) and an expansion take-up structure; the expansion and contraction power rod (1) penetrates through the expansion and contraction connecting sleeve (2) and drives the expansion and contraction connecting sleeve (2) to move; at least one group of expansion and contraction take-up structures are arranged on the outer wall of the expansion and contraction connecting sleeve (2) in the circumferential direction, and each group of expansion and contraction take-up structures comprises an expansion and contraction take-up cylinder piece (3), an expansion and contraction claw (4), an expansion and contraction cylinder piece connecting rod (5) and an expansion and contraction claw connecting rod (6); one end of an expansion and contraction claw (4) is hinged to the outer wall of the expansion and contraction connecting sleeve (2) and is hinged to the inner wall of the expansion and contraction take-up barrel piece (3) through an expansion and contraction claw connecting rod (6); one end of an expansion cylinder piece connecting rod (5) is hinged to the outer wall of the expansion connecting sleeve (2), the other end of the expansion cylinder piece connecting rod (5) is hinged to the inner wall of an expansion winding cylinder piece (3), and an expansion claw storage area used for storing an expansion claw in a contraction state is reserved between the expansion winding cylinder piece (3) and the outer wall of the expansion connecting sleeve (2).
2. The expanding and contracting take-up mechanism according to claim 1, wherein: at least two groups of expansion and contraction take-up structures are arranged on the outer wall of the expansion and contraction connecting sleeve (2) in the circumferential direction.
3. The expanding and contracting take-up mechanism according to claim 1 or 2, wherein: the end face of the expansion-shrinkage connecting sleeve (2) is provided with an expansion-shrinkage pulling plate (7), an expansion-shrinkage power rod (1) penetrates through the expansion-shrinkage pulling plate (7) and then is connected with a shrinkage top piece (8), an expansion-shrinkage adjusting gap (9) is reserved between the shrinkage top piece (8) and the expansion-shrinkage pulling plate (7), and an expansion top piece (10) is arranged at the position, located in the expansion-shrinkage connecting sleeve (2), of the expansion-shrinkage power rod (1).
4. The expanding and contracting take-up mechanism according to claim 3, wherein: the expansion and contraction power rod (1) penetrates through the expansion and contraction pulling plate (7) and then is connected with the contraction top piece (8) in an adjustable mode.
5. The expanding and contracting take-up mechanism according to claim 4, wherein: the outer wall of the expansion and contraction connecting sleeve (2) is axially provided with expansion and contraction reinforcing plates (11), the expansion and contraction reinforcing plates (11) correspond to the expansion and contraction take-up structures one by one, and the expansion and contraction take-up structures are hinged on the expansion and contraction reinforcing plates (11).
6. The expanding and contracting take-up mechanism according to claim 4, wherein: and an expansion limiting groove is formed in the end face, close to the expansion claw (4), of the expansion take-up cylinder piece (3).
7. The expanding and contracting take-up mechanism according to claim 4, wherein: and an expansion limiting structure is arranged on the end surface of the expansion winding barrel piece (3) far away from the expansion claw (4).
8. The expanding and contracting take-up mechanism according to claim 7, wherein: the expansion limiting structure comprises an expansion limiting baffle (13) and an expansion limiting plate (14), the expansion limiting baffle (13) is sleeved outside the expansion power rod (1), and the expansion power rod (1) moves relative to the expansion limiting baffle (13); an expansion limiting slide way (15) is arranged on the expansion limiting baffle (13), and an expansion limiting plate (14) is positioned on the expansion limiting slide way (15) and slides along the expansion limiting slide way (15); the expansion limiting plate (14) is connected with the expansion take-up reel sheet (3).
9. The expanding and contracting take-up mechanism according to claim 8, wherein: and an expansion limiting roller (16) is arranged on the expansion limiting plate (14), and the expansion limiting roller (16) slides along an expansion limiting slide way (15).
10. The expanding and contracting take-up mechanism according to claim 8, wherein: the end face of the expansion limiting baffle (13) facing the expansion connecting sleeve (2) is provided with an expansion sleeve limiting cavity (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220872215.2U CN217191737U (en) | 2022-04-15 | 2022-04-15 | Expansion and contraction take-up mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220872215.2U CN217191737U (en) | 2022-04-15 | 2022-04-15 | Expansion and contraction take-up mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217191737U true CN217191737U (en) | 2022-08-16 |
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ID=82774235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220872215.2U Active CN217191737U (en) | 2022-04-15 | 2022-04-15 | Expansion and contraction take-up mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217191737U (en) |
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2022
- 2022-04-15 CN CN202220872215.2U patent/CN217191737U/en active Active
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