CN220706177U - Pin shaft for sewing machine - Google Patents
Pin shaft for sewing machine Download PDFInfo
- Publication number
- CN220706177U CN220706177U CN202322447702.1U CN202322447702U CN220706177U CN 220706177 U CN220706177 U CN 220706177U CN 202322447702 U CN202322447702 U CN 202322447702U CN 220706177 U CN220706177 U CN 220706177U
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- CN
- China
- Prior art keywords
- pin shaft
- sliding
- wall
- rod
- sewing machine
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- 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.)
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- 238000009958 sewing Methods 0.000 title claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims abstract description 21
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses a pin shaft for a sewing machine, which comprises a pin shaft body, wherein one end of the pin shaft body is provided with a base, the inside of the pin shaft body is provided with a fixing component, the fixing component comprises an inserting block, one side of the inserting block is provided with a supporting rod, one side of the supporting rod is provided with a sliding rod, the other side of the inserting block is provided with a push rod, the middle part of the supporting rod is provided with an inner cavity, the middle part of the inner cavity is connected with the outer wall of the sliding rod in a sliding penetrating way.
Description
Technical Field
The utility model relates to the field of pin shafts, in particular to a pin shaft for a sewing machine.
Background
The pin shaft is a standardized fastener, can be fixedly connected in a static state and can also relatively move with a connected piece, is mainly used for the hinge joint of two parts, forms hinge connection, is connected by a common pin shaft at the joint of the machine plate of the sewing machine, and is reliable in work and convenient to detach.
According to the self-locking flat pin disclosed by the patent number 202221816326.8, the pushing handle is driven to push the limiting insert block through the screwing pushing screw, the limiting insert block is ejected out of the hole to form a limiting structure after the flat pin is installed, and therefore the limiting insert block and the flat pin are integrally designed, and falling or losing of the limiting structure is avoided.
The above-mentioned existing disadvantages
The connecting part of the insert block inside the self-locking flat head pin shaft and the pin shaft is directly connected by adopting a telescopic spring, and the push handle is driven to push and push the limiting insert block by screwing the push screw rod, so that the moving position of the telescopic spring is offset in the moving process, and the pin shaft for the sewing machine is required to be designed to solve the problem.
Disclosure of Invention
The utility model aims to provide a pin shaft for a sewing machine, which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pin shaft for sewing machine, includes the round pin axle body, the one end of round pin axle body is provided with the base, the inside of round pin axle body is provided with fixed subassembly, fixed subassembly includes the inserted block, one side of inserted block is provided with the bracing piece, one side of bracing piece is provided with the slide bar, the opposite side of inserted block is provided with the ejector pin.
Preferably, the middle part of bracing piece has seted up the inner chamber, the middle part of inner chamber and the outer wall slip interlude of slide bar are connected, the middle part of inner chamber is provided with the connecting rod, the outer wall cover of connecting rod is equipped with the extension spring.
Preferably, a slot is formed in the middle of the sliding rod, and the middle of the slot is connected with the outer wall of the connecting rod in a sliding penetrating mode.
Preferably, the middle part of the outer wall of the pin shaft body is provided with a fixed groove, the middle part of the fixed groove is connected with the outer wall of the plug in a sliding and penetrating manner, the middle part of the pin shaft body is provided with a movable groove, and the middle part of the movable groove is connected with the outer wall of the ejector rod in a sliding and penetrating manner.
Preferably, the outer wall of the ejector rod is provided with a sliding block, a sliding groove is formed in the pin shaft body, and the middle of the sliding groove is connected with the outer wall of the sliding block in a sliding and penetrating mode.
Preferably, the top of the ejector rod is fixedly connected with a connector.
Preferably, a thread groove is formed in one side of the outer wall of the pin shaft body, a bolt is connected to the middle of the thread groove in a threaded penetrating mode, and a nut is sleeved at one end of the bolt.
Preferably, the middle part of the pin shaft body is provided with an inner chamber, the middle part of the inner chamber is connected with one side of the insertion block in a sliding and penetrating way, and one end of the sliding rod is fixedly connected with one side of the inner chamber.
The utility model has the technical effects and advantages that:
according to the utility model, the mechanism design of the fixing assembly is utilized, the middle part of the pin shaft body is provided with the inner chamber, the middle part of the inner chamber is connected with the insert block in a sliding and inserting way, one side of the insert block is provided with the supporting rod, one side of the supporting rod is provided with the sliding rod, the middle part of the supporting rod is provided with the inner cavity, the middle part of the inner cavity is connected with the outer wall of the sliding rod in a sliding and inserting way, the middle part of the inner cavity is provided with the connecting rod, the outer wall of the connecting rod is sleeved with the telescopic spring, thus the movement of the insert block is facilitated, and one side of the insert block is provided with the ejector rod, so the movement of the insert block by the ejector rod is facilitated.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present utility model.
Fig. 2 is a schematic perspective view of a pin according to the present utility model.
Fig. 3 is a schematic structural view of the sliding mechanism of the present utility model.
Fig. 4 is a schematic structural view of a fixing assembly according to the present utility model.
In the figure: 1. a pin body; 2. a base; 3. a bolt; 301. a nut; 4. a push rod; 401. a slide block; 402. a connector; 403. inserting blocks; 404. a slide bar; 405. a connecting rod; 406. a telescopic spring; 407. and (5) supporting the rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a pin shaft for a sewing machine, as shown in fig. 1-4, which comprises a pin shaft body 1, wherein one end of the pin shaft body 1 is provided with a base 2, the inside of the pin shaft body 1 is provided with a fixing component, the fixing component comprises an inserting block 403, one side of the inserting block 403 is provided with a supporting rod 407, and one side of the supporting rod 407 is provided with a sliding rod 404.
Specifically, an inner cavity is formed in the middle of the supporting rod 407, the middle of the inner cavity is connected with the outer wall of the sliding rod 404 in a sliding penetrating mode, a connecting rod 405 is arranged in the middle of the inner cavity, and an outer wall of the connecting rod 405 is sleeved with a telescopic spring 406.
The outer wall of the connecting rod 405 is sleeved with the extension spring 406, so that the extension spring 406 is designed to ensure that the direction of the extension spring 406 does not deviate in the process of contracting and rebounding.
Further, a slot is formed in the middle of the sliding rod 404, and the middle of the slot is connected with the outer wall of the connecting rod 405 in a sliding and penetrating manner.
It should be noted that, a slot is formed in the middle of the sliding rod 404, and the middle of the slot is connected with the outer wall of the connecting rod 405 in a sliding and inserting manner, so as to form a telescopic rod, so that the movement of the inserting block 403 is facilitated.
Further, an inner chamber is formed in the middle of the pin shaft body 1, the middle of the inner chamber is connected with one side of the insertion block 403 in a sliding and penetrating manner, and one end of the sliding rod 404 is fixedly connected with one side of the inner chamber.
The other side of the insert block 403 is provided with a push rod 4.
It should be noted that, moving the ejector pin 4, the outer wall of the pin shaft body 1 is provided with a fixing groove, two insert blocks 403 move in opposite directions, and the insert blocks 403 move out from the middle of the fixing groove, so that the ejector pin 4 is designed to facilitate moving the insert blocks 403.
Specifically, the middle part of the outer wall of the pin shaft body 1 is provided with a fixed groove, the middle part of the fixed groove is connected with the outer wall of the insertion block 403 in a sliding and inserting way, the middle part of the pin shaft body 1 is provided with a movable groove, and the middle part of the movable groove is connected with the outer wall of the ejector rod 4 in a sliding and inserting way.
It should be noted that, the middle part of the outer wall of the pin shaft body 1 is provided with a fixing groove, the middle part of the fixing groove is connected with the outer wall of the insertion block 403 in a sliding and penetrating manner, so that the movement of the insertion block 403 is facilitated, the middle part of the pin shaft body 1 is provided with a moving groove, the middle part of the moving groove is connected with the outer wall of the ejector rod 4 in a sliding and penetrating manner, and the movement of the ejector rod 4 up and down is facilitated.
Specifically, the outer wall of the ejector rod 4 is provided with a sliding block 401, a sliding groove is formed in the pin shaft body 1, and the middle part of the sliding groove is connected with the outer wall of the sliding block 401 in a sliding and penetrating mode.
It should be noted that, the outer wall middle part of the pin shaft body 1 is provided with the spout, the outer wall of ejector pin 4 is provided with slider 401, the middle part of spout and the outer wall of slider 401 slip alternate connection, design like this is for the reciprocates of ejector pin 4, the bottom of ejector pin 4 is circular-arc design, the top of inserted block 403 is provided with the fillet, so the one end of ejector pin 4 of being convenient for in fact extrudes inserted block 403.
Further, a connector 402 is fixedly connected to the top of the ejector rod 4.
It should be noted that, the top fixedly connected with connector 402 of ejector pin 4 through extrusion connector 402, can realize the position down-movement of ejector pin 4, and insert 403 moves to both sides, and extension spring 406 contracts, pulls connector 402, can realize the position of ejector pin 4 upwards lifting, and extension spring 406 kick-backs, promotes two insert 403 and moves to the same direction, and insert 403 contracts.
Further, a thread groove is formed in one side of the outer wall of the pin shaft body 1, a bolt 3 is connected to the middle of the thread groove in a threaded penetrating mode, and a nut 301 is sleeved at one end of the bolt 3.
It should be noted that, one end of the bolt 3 is sleeved with the nut 301, so the nut 301 is convenient for fixing the bolt 3.
In the in-service use process, the inner chamber has been seted up at the middle part of round pin axle body 1, and the middle part of inner chamber slides and alternates and be connected with insert 403, and one side of insert 403 is provided with bracing piece 407, and the inner chamber has been seted up at the middle part of bracing piece 407, and the middle part of inner chamber and the outer wall of slide bar 404 slide and alternate and connect, and the middle part of inner chamber is provided with connecting rod 405, and the outer wall cover of connecting rod 405 is equipped with telescopic spring 406, and the fixed slot has been seted up to the outer wall of round pin axle body 1, the middle part of fixed slot and the outer wall of insert 403 slide and alternate and connect, the removal of the insert 403 of being convenient for design like this, and one side of insert 403 is provided with ejector pin 4, removes ejector pin 4, and two insert 403 remove out from the middle part of fixed slot, and design like this is in order to be convenient for remove insert 403 with ejector pin 4.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a pin shaft for a sewing machine, includes round pin axle body (1), the one end of round pin axle body (1) is provided with base (2), its characterized in that, the inside of round pin axle body (1) is provided with fixed subassembly, fixed subassembly includes insert block (403), one side of insert block (403) is provided with bracing piece (407), one side of bracing piece (407) is provided with slide bar (404), the opposite side of insert block (403) is provided with ejector pin (4).
2. The pin shaft for the sewing machine according to claim 1, wherein an inner cavity is formed in the middle of the supporting rod (407), the middle of the inner cavity is connected with the outer wall of the sliding rod (404) in a sliding penetrating mode, a connecting rod (405) is arranged in the middle of the inner cavity, and a telescopic spring (406) is sleeved on the outer wall of the connecting rod (405).
3. The pin shaft for the sewing machine according to claim 1, wherein a slot is formed in the middle of the sliding rod (404), and the middle of the slot is connected with the outer wall of the connecting rod (405) in a sliding penetrating manner.
4. The pin shaft for the sewing machine according to claim 1, wherein a fixing groove is formed in the middle of the outer wall of the pin shaft body (1), the middle of the fixing groove is connected with the outer wall of the insertion block (403) in a sliding penetrating manner, a moving groove is formed in the middle of the pin shaft body (1), and the middle of the moving groove is connected with the outer wall of the ejector rod (4) in a sliding penetrating manner.
5. The pin shaft for the sewing machine according to claim 4, wherein a sliding block (401) is arranged on the outer wall of the ejector rod (4), a sliding groove is formed in the pin shaft body (1), and the middle of the sliding groove is connected with the outer wall of the sliding block (401) in a sliding penetrating mode.
6. The pin shaft for the sewing machine according to claim 1, wherein a connector (402) is fixedly connected to the top of the ejector rod (4).
7. The pin shaft for the sewing machine according to claim 1, wherein a thread groove is formed in one side of the outer wall of the pin shaft body (1), a bolt (3) is connected to the middle of the thread groove in a threaded penetrating mode, and a nut (301) is sleeved at one end of the bolt (3).
8. The pin shaft for the sewing machine according to claim 1, wherein an inner chamber is formed in the middle of the pin shaft body (1), the middle of the inner chamber is connected with one side of the insertion block (403) in a sliding and penetrating manner, and one end of the sliding rod (404) is fixedly connected with one side of the inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322447702.1U CN220706177U (en) | 2023-09-11 | 2023-09-11 | Pin shaft for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322447702.1U CN220706177U (en) | 2023-09-11 | 2023-09-11 | Pin shaft for sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220706177U true CN220706177U (en) | 2024-04-02 |
Family
ID=90435097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322447702.1U Active CN220706177U (en) | 2023-09-11 | 2023-09-11 | Pin shaft for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220706177U (en) |
-
2023
- 2023-09-11 CN CN202322447702.1U patent/CN220706177U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |