CN220819957U - Pin puller convenient to use - Google Patents
Pin puller convenient to use Download PDFInfo
- Publication number
- CN220819957U CN220819957U CN202322338027.9U CN202322338027U CN220819957U CN 220819957 U CN220819957 U CN 220819957U CN 202322338027 U CN202322338027 U CN 202322338027U CN 220819957 U CN220819957 U CN 220819957U
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- China
- Prior art keywords
- screw
- internal thread
- jackscrew
- pin
- hole
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- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 230000006978 adaptation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a pin puller convenient to use, and relates to the technical field of pin pullers. The screw is provided with the lead screw above, and the lower extreme of lead screw extends to the inboard of screw, and internal thread connecting hole one has been seted up to the lead screw lower extreme, internal thread connecting hole one internal thread is connected with the jackscrew, threaded connection has the round nut on the jackscrew, and connecting piece one and connecting piece two pass through cylindric lock connection location, and internal thread connecting hole two has been seted up to the cylindric lock upper end, jackscrew lower extreme and internal thread connection Kong Erxiang adaptation. The device has the advantages that the cylindrical pin is driven to be slowly pulled out through the jackscrew through the cooperation between the screw rod and the screw nut, no impact force is generated in the pin pulling process, vibration is not generated, the process is stable, the effect of protecting equipment is achieved, the whole device is small in size through the structural cooperation among the threads, the device is also used in a small space, the device is convenient to carry, the screw rod is driven to rotate through external equipment when the device is used, and the problem that a hand is easy to clamp when the existing pin puller is operated can be effectively avoided.
Description
Technical Field
The utility model relates to the technical field of pin extractors, in particular to a pin extractor convenient to use.
Background
The pin puller is a tool which is arranged at the end part of the operating rod and is used for pulling out cotter pins in fittings or fittings. The pin puller commonly used in the market at present has larger size, and the principle is that the positioning pin fixed in the mechanical structure is pulled out by utilizing the impact force generated by impact;
the existing pin puller has the following defects:
1. The large volume is only suitable for application scenes with large operation space, and the small operation space cannot be used and is inconvenient to carry;
2. The existing pin puller takes out the positioning pin by utilizing the impact force generated by impact, and the impact force inevitably generates vibration to have adverse effect on the whole equipment;
Disclosure of utility model
The utility model aims to provide a pin puller which is convenient to use and solves the technical problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pin puller convenient to use, includes the screw, the screw inboard is provided with T type internal thread hole and unthreaded hole, unthreaded hole is located the below of T type internal thread hole, the screw top is provided with the lead screw, the lower extreme of lead screw extends to the inboard of screw, internal thread connecting hole one has been seted up to the lead screw lower extreme, internal thread connecting hole one inboard is provided with the jackscrew, be provided with external connection screw thread on the lateral wall of jackscrew, the jackscrew passes through external connection screw thread and internal thread connecting hole one and is connected, the cover is equipped with round nut on the jackscrew, round nut inboard is provided with internal connection screw thread, jackscrew and round nut pass through external connection screw thread and internal connection threaded connection, the external diameter size of round nut is less than the internal diameter size of unthreaded hole.
Preferably, the upper end of the screw rod is provided with an inner hexagonal groove, the outer side of the upper end of the screw rod is provided with an outer hexagon, and a baffle is arranged below the upper end of the screw rod.
Preferably, the screw rod outer side wall is provided with a T-shaped external thread, the T-shaped external thread is matched with the T-shaped internal thread hole, and the T-shaped external thread is positioned below the baffle plate.
Compared with the related art, the pin puller convenient to use has the following beneficial effects:
1. The utility model provides a pin puller which is convenient to use, in the device, a cylindrical pin is driven to be slowly pulled out through a jackscrew by matching a screw rod and a screw nut, no impact force is generated in the pin pulling process, vibration is not generated, the process is stable, and the function of protecting equipment is achieved.
2. The utility model provides a pin puller which is convenient to use, the device is small in volume through the structural fit among all threads, and the pin puller is also used in a smaller space and is convenient to carry;
3. the utility model provides a pin puller convenient to use, which can be used for driving a screw rod to rotate through external equipment when the pin puller is used, and can effectively avoid the problem that the existing pin puller is easy to clamp hands when in operation.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic diagram of an explosive structure according to the present utility model;
FIG. 4 is a schematic view of a screw structure according to the present utility model;
FIG. 5 is a schematic view of a nut structure of the present utility model;
FIG. 6 is a schematic illustration of the structure of a jackscrew of the present utility model;
FIG. 7 is a schematic view of a round nut according to the present utility model;
FIG. 8 is a schematic view of a connector according to the present utility model;
FIG. 9 is a schematic view of the cylindrical pin structure of the present utility model;
Fig. 10 is a schematic structural diagram of a second connector according to the present utility model.
In the figure: 1. a screw rod; 1.1, an inner hexagonal groove; 1.2, an outer hexagon; 1.3, a baffle; 1.4, T-shaped external threads; 1.5, connecting the first internal thread with the first hole; 2. a nut; 2.1, T-shaped internal thread holes; 2.2, a light hole; 3. a jackscrew; 3.1, external connecting threads; 4. a round nut; 4.1, connecting internal threads; 5. a first connecting piece; 5.1, a first pin hole; 6. a cylindrical pin; 6.1, connecting the second internal thread with the second hole; 7. a second connecting piece; 7.1, pin hole two.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; 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.
Referring to fig. 1-10, the present utility model provides a technical solution: the utility model provides a pin puller convenient to use, including screw 2, screw 2 inboard is provided with T type internal thread hole 2.1 and unthreaded hole 2.2, unthreaded hole 2.2 is located the below of T type internal thread hole 2.1, screw 2 top is provided with lead screw 1, the lower extreme of lead screw 1 extends to the inboard of screw 2, internal thread connecting hole 1.5 has been seted up to lead screw 1 lower extreme, internal thread connecting hole 1.5 inboard is provided with jackscrew 3, be provided with external connection screw 3.1 on the lateral wall of jackscrew 3, jackscrew 3 is connected with internal thread connecting hole 1.5 through external connection screw 3.1, the cover is equipped with round nut 4 on jackscrew 3, round nut 4 inboard is provided with internal connection screw 4.1, jackscrew 3 and round nut 4 are connected through external connection screw 3.1 and internal connection screw 4.1, the external diameter size of round nut 4 is less than the internal diameter size of unthreaded hole 2.2;
The upper end of the screw rod 1 is provided with an inner hexagonal groove 1.1, the outer side of the upper end part of the screw rod 1 is provided with an outer hexagonal groove 1.2, a baffle plate 1.3 is arranged below the upper end part of the screw rod 1, the problem that the outer hexagonal spanner is easy to slide off when the outer hexagonal spanner is used can be avoided by arranging the baffle plate 1.3, and the device can be operated through two modes of the outer hexagonal spanner or the inner hexagonal spanner by arranging the outer hexagonal groove 1.2 and the inner hexagonal groove 1.1, so that the practicability of the device is improved;
The outer side wall of the screw rod 1 is provided with a T-shaped external thread 1.4, the T-shaped external thread 1.4 is matched with the T-shaped internal thread hole 2.1, and the T-shaped external thread 1.4 is positioned below the baffle plate 1.3;
A first connecting piece 5 is arranged below the nut 2, a second connecting piece 7 is arranged below the first connecting piece 5, a first pin hole 5.1 is formed in the first connecting piece 5, a second pin hole 7.1 is formed in the second connecting piece 7, and the inner diameters of the first pin hole 5.1 and the second pin hole 7.1 are consistent in size;
A cylindrical pin 6 is arranged below the nut 2, and the first connecting piece 5 and the second connecting piece 7 are matched with the first pin hole 5.1 and the second pin hole 7.1 through the cylindrical pin 6 for connection positioning;
An internal thread connecting hole II 6.1 is formed in the upper end of the cylindrical pin 6, the internal thread of the internal thread connecting hole II 6.1 is matched with an external connecting thread 3.1 on the outer side wall of the jackscrew 3, and when the cylindrical pin is used, synchronous movement of the jackscrew 3 and the cylindrical pin 6 is achieved by utilizing cooperation between the external connecting thread 3.1 and the internal thread connecting hole II 6.1.
Working principle: when the screw rod 1 is used, the lower end of the jackscrew 3 is moved to the lower side of the screw nut 2, the jackscrew 3 is matched with the internal thread connecting hole II 6.1 at the upper end of the cylindrical pin 6, the round nut 4 is rotated, the lower end face of the round nut 4 is abutted against the upper end face of the cylindrical pin 6, tight connection between the jackscrew 3 and the cylindrical pin 6 is ensured, the screw nut 2 is pushed by the reverse rotation screw rod 1 to move downwards, the lower end of the screw nut 2 is gradually abutted against the upper end face of the first connecting piece 5, the screw rod 1 is continuously rotated, a downward force is generated on the screw nut 2 by the screw rod 1 in the rotating process, meanwhile, the first connecting piece 5 plays a limiting role on the screw nut 2, so that the screw nut 2 is kept fixed, the reverse rotation is continuously carried out, the round nut 4 is connected with the cylindrical pin 6 through the jackscrew 3, and the cylindrical pin 6 is pulled out from the first pin hole 5.1 and the second pin hole 7.1 on the first connecting piece 5 and the second connecting piece 7 by rotating, and the first connecting piece 5 and the second connecting piece 7 are smoothly separated.
Claims (3)
1. The utility model provides a pin puller convenient to use, includes screw (2), its characterized in that: the utility model discloses a light size, including screw (2) and nut, screw (2) inboard is provided with T type internal thread hole (2.1) and unthreaded hole (2.2), unthreaded hole (2.2) are located the below of T type internal thread hole (2.1), screw (2) top is provided with lead screw (1), the inboard that the lower extreme of lead screw (1) extends to screw (2), internal thread connecting hole (1.5) have been seted up to lead screw (1) lower extreme, internal thread connecting hole (1.5) inboard is provided with jackscrew (3), be provided with external connection screw thread (3.1) on the lateral wall of jackscrew (3), jackscrew (3) are connected with internal thread connecting hole (1.5) through external connection screw thread (3.1), the cover is equipped with round nut (4) on jackscrew (3), round nut (4) inboard is provided with connecting screw thread (4.1), jackscrew (3) and round nut (4) are connected through external connection screw thread (3.1) and internal connection screw (4.1), external diameter size (2.5) are small in size.
2. A convenient pin puller according to claim 1, characterized in that: the novel screw rod is characterized in that an inner hexagonal groove (1.1) is formed in the upper end of the screw rod (1), an outer hexagon (1.2) is formed in the outer side of the upper end of the screw rod (1), and a baffle (1.3) is arranged below the upper end of the screw rod (1).
3. A convenient pin puller according to claim 2, characterized in that: the screw rod (1) is provided with T-shaped external threads (1.4) on the outer side wall, the T-shaped external threads (1.4) are matched with the T-shaped internal thread holes (2.1), and the T-shaped external threads (1.4) are located below the baffle plates (1.3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322338027.9U CN220819957U (en) | 2023-08-29 | 2023-08-29 | Pin puller convenient to use |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322338027.9U CN220819957U (en) | 2023-08-29 | 2023-08-29 | Pin puller convenient to use |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220819957U true CN220819957U (en) | 2024-04-19 |
Family
ID=90709215
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322338027.9U Active CN220819957U (en) | 2023-08-29 | 2023-08-29 | Pin puller convenient to use |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220819957U (en) |
-
2023
- 2023-08-29 CN CN202322338027.9U patent/CN220819957U/en active Active
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