CN213206235U

CN213206235U - High-strength elastic pin convenient to disassemble

Info

Publication number: CN213206235U
Application number: CN202021802360.0U
Authority: CN
Inventors: 戴克宇
Original assignee: Wenzhou Ruijin Locomotive Parts Co ltd
Current assignee: Wenzhou Ruijin Locomotive Parts Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-05-14
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses a high-strength elastic pin convenient to disassemble in the field of elastic pins, which comprises a high-strength elastic pin, wherein a fixed plate is arranged in the high-strength elastic pin, a thread sleeve is fixedly connected to the upper surface of the fixed plate, a screw rod is connected to the inner wall thread of the thread sleeve, a piston is rotatably connected to the lower surface of the screw rod, a first connecting rod is rotatably connected to the front surface of the piston, a tensioning strip is slidably connected to the lower surface of the fixed plate, a second connecting rod is rotatably connected to the front surface of the tensioning strip, and the back surface of the first connecting rod is rotatably connected with the front surface of the second connecting rod. The occurrence of industrial accidents is avoided, and the installation and the disassembly are convenient.

Description

High-strength elastic pin convenient to disassemble

Technical Field

The utility model relates to an elastic pin field specifically is a high strength elastic pin convenient to dismantle.

Background

The elastic cylindrical pin is also called spring pin, and is a headless hollow cylindrical body, its axial slot is opened, and its two ends are equipped with chamfers, and can be used for positioning, connecting and fixing the parts, etc.

The installation of current elastic pin is more troublesome with the dismantlement, the operative employee assembles on pressing the elastic pin into the work piece during the installation, when the pinhole of elastic pin on the work piece of impressing, because the external diameter of elastic pin is greater than the pinhole, pinhole complex tightness is great, when the pinhole of centre gripping elastic pin below of impressing from the top, press inclined to one side pilot hole easily, be difficult for guaranteeing its and the accurate positioning and the straightness that hangs down of pinhole, can harm elastic pin or work piece sometimes, need take the thing to pound out the elastic pin from the other end during the dismantlement, the industrial accident very easily takes place for the installation and dismantlement process. Accordingly, those skilled in the art have provided a high-strength elastic pin which is easy to disassemble, so as to solve the problems suggested in the background art described above.

Disclosure of Invention

An object of the utility model is to provide a high strength spring pin convenient to dismantle to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high strength spring pin convenient to dismantle, includes the high strength spring pin, the inside of high strength spring pin is provided with the fixed plate, the last fixed surface of fixed plate is connected with the thread bush, the inner wall threaded connection of thread bush has the screw rod, the lower surface of screw rod rotates and is connected with the piston, the positive rotation of piston is connected with the head rod, the lower surface sliding connection of fixed plate has the strip that rises, the positive rotation of the strip that rises is connected with the second connecting rod, the back of head rod rotates with the front of second connecting rod to be connected, the surperficial sliding connection of piston has the cover seat that rises.

As a further aspect of the present invention: the lower fixed surface of fixed plate is connected with the dirt proof boot, the strip groove that rises has been seted up on the surface of fixed plate, through setting up the dirt proof boot, can prevent dust, through setting up the strip groove that rises, can play the guide effect.

As a further aspect of the present invention: the upper surface of fixed plate is provided with the spring, through setting up the spring, can prevent that the screw rod from circling round.

As a further aspect of the present invention: the surface of the threaded sleeve is connected with a guide sleeve in a sliding mode, and the guide sleeve is arranged, so that the problem that the screw rod is difficult to rotate due to the fact that the spring falls to the screw rod can be prevented.

As a further aspect of the present invention: hexagonal counter bores have been seted up to the screw rod upper surface, the inner wall of hexagonal counter bore is provided with the handle, through setting up the handle, can make things convenient for the operator to rotate the screw rod.

As a further aspect of the present invention: the upper surface of fixed plate sets up the spring gasket, through setting up the spring gasket, can increase the adhesive force of spring.

As a further aspect of the present invention: oil grooves are formed in the surface of the high-strength elastic pin, and the effect of increasing the surface friction force of the high-strength elastic pin can be achieved through the oil grooves.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through setting up the piston, rising cover seat, fixed plate, thread bush and screw rod, can change rotatory power into the tensile force, through setting up head rod, second connecting rod and rising the strip, can make the tensioning of high strength elastic pin to make this convenient to detach's high strength elastic pin have and prevent to damage elastic pin or work piece, avoid taking place the effect that industrial accident is convenient for install and dismantle.

2. In the utility model, the dust can be prevented by arranging the dust-proof sleeve, and the guide function can be achieved by arranging the expansion strip groove; the screw rod can be prevented from rotating back by arranging the spring; through setting up the guide pin bushing, can prevent to cause the rotatory difficulty of screw rod because of the spring falls to the screw rod.

3. The handle is arranged, so that an operator can conveniently rotate the screw rod; the spring gasket is arranged, so that the adhesive force of the spring can be increased; the effect of increasing the surface friction force of the high-strength elastic pin can be achieved through the oil grooves.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front sectional view of the structure of the present invention;

FIG. 3 is a schematic side sectional view of the structure of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a high strength spring pin; 2. a piston; 3. a first connecting rod; 4. a second connecting rod; 5. expanding the strips; 6. a sleeve expanding seat; 7. a fixing plate; 8. a threaded sleeve; 9. a screw; 10. a dust-proof sleeve; 11. a strip expanding groove; 12. a spring; 13. a guide sleeve; 14. a hexagonal counter bore; 15. a handle; 16. a spring washer; 17. an oil groove.

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 creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, in the embodiment of the present invention, a high strength elastic pin convenient to disassemble is provided, a fixing plate 7 is disposed inside the high strength elastic pin 1, a threaded sleeve 8 is fixedly connected to an upper surface of the fixing plate 7, a screw rod 9 is threadedly connected to an inner wall of the threaded sleeve 8, a piston 2 is rotatably connected to a lower surface of the screw rod 9, a first connecting rod 3 is rotatably connected to a front surface of the piston 2, an expansion bar 5 is slidably connected to a lower surface of the fixing plate 7, a second connecting rod 4 is rotatably connected to a front surface of the expansion bar 5, a back surface of the first connecting rod 3 is rotatably connected to a front surface of the second connecting rod 4, an expansion sleeve seat 6 is slidably connected to a surface of the piston 2, the expansion sleeve seat 6, the fixing plate 7, the threaded sleeve 8 and the screw rod 9 are disposed, a rotating force can be converted into a tension force, the high strength elastic pin 1 can, therefore, the high-strength elastic pin convenient to disassemble has the effects of preventing the elastic pin or a workpiece from being damaged and avoiding industrial accidents and being convenient to assemble and disassemble.

The lower surface of the fixed plate 7 is fixedly connected with a dustproof sleeve 10, the surface of the fixed plate 7 is provided with a strip expanding groove 11, the dustproof sleeve 10 can prevent dust, and the strip expanding groove 11 can play a role in guiding; the spring 12 is arranged on the upper surface of the fixing plate 7, and the screw 9 can be prevented from rotating by the spring 12; the surface of the threaded sleeve 8 is connected with a guide sleeve 13 in a sliding mode, and the guide sleeve 13 is arranged, so that the problem that the screw 9 is difficult to rotate due to the fact that the spring 12 falls to the screw 9 can be prevented.

The upper surface of the screw 9 is provided with a hexagonal counterbore 14, the inner wall of the hexagonal counterbore 14 is provided with a handle 15, and an operator can conveniently rotate the screw 9 by arranging the handle 15; the spring gasket 16 is arranged on the upper surface of the fixing plate 7, and the adhesive force of the spring 12 can be increased by arranging the spring gasket 16; oil groove 17 has been seted up on high strength elastic pin 1's surface, can play the effect that increases 1 surperficial frictional force of high strength elastic pin through setting up oil groove 17.

The utility model discloses a theory of operation is: when the high-strength elastic pin convenient to disassemble is disassembled, firstly, the handle 15 is rotated clockwise to rotate the screw rod 9, the screw rod 9 rotates towards the lower part of the threaded sleeve 8, the screw rod 9 drives the guide sleeve 13 to move downwards, the guide sleeve 13 pushes the spring 12 to move downwards, the screw rod 9 can be prevented from rotating around by arranging the spring 12, the spring 12 pushes the fixing plate 7 to move downwards, the screw rod 9 can drive the piston 2 to move downwards when rotating, the rotating force can be converted into the tensile force by arranging the threaded sleeve 8 of the piston 2 and the screw rod 9, the first connecting rod 3 drives the second connecting rod 4 to contract towards the center of the piston 2, the high-strength elastic pin 1 can be tensioned by arranging the first connecting rod 3, the second connecting rod 4 and the expansion strip 5, then the expansion strip 5 can also lose the contraction towards the center of the piston 2 along with the first connecting rod 3 and the second connecting rod 4, so that the tensioning force of the high-strength, then take out high strength elastic pin 1, when needs were installed, directly put into the pilot hole high strength elastic pin 1, then anticlockwise rotation handle 15 screws screw 9 and fastens to make this convenient to detach's high strength elastic pin have and prevent to damage elastic pin or work piece, avoid taking place the effect that industrial accident was convenient for install and dismantle.

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

1. The utility model provides a high strength spring pin convenient to dismantle, includes high strength spring pin (1), its characterized in that: the high-strength elastic pin is characterized in that a fixing plate (7) is arranged inside the high-strength elastic pin (1), a threaded sleeve (8) is fixedly connected to the upper surface of the fixing plate (7), a screw rod (9) is connected to the inner wall of the threaded sleeve (8) in a threaded manner, a piston (2) is connected to the lower surface of the screw rod (9) in a rotating manner, a first connecting rod (3) is connected to the front surface of the piston (2) in a rotating manner, an expansion strip (5) is connected to the lower surface of the fixing plate (7) in a sliding manner, a second connecting rod (4) is connected to the front surface of the expansion strip (5) in a rotating manner, the back surface of the first connecting rod (3) is connected to the front surface of the second connecting.

2. A high-strength resilient pin for easy removal according to claim 1, wherein: the lower surface of the fixing plate (7) is fixedly connected with a dustproof sleeve (10), and the surface of the fixing plate (7) is provided with an expansion groove (11).

3. A high-strength resilient pin for easy removal according to claim 1, wherein: and a spring (12) is arranged on the upper surface of the fixing plate (7).

4. A high-strength resilient pin for easy removal according to claim 1, wherein: the surface of the threaded sleeve (8) is connected with a guide sleeve (13) in a sliding manner.

5. A high-strength resilient pin for easy removal according to claim 1, wherein: the upper surface of the screw rod (9) is provided with a hexagonal counter bore (14), and the inner wall of the hexagonal counter bore (14) is provided with a handle (15).

6. A high-strength resilient pin for easy removal according to claim 1, wherein: and a spring gasket (16) is arranged on the upper surface of the fixing plate (7).

7. A high-strength resilient pin for easy removal according to claim 1, wherein: the surface of the high-strength elastic pin (1) is provided with an oil groove (17).