CN215444692U

CN215444692U - Pin with improved carburizing heat treatment process

Info

Publication number: CN215444692U
Application number: CN202121864408.5U
Authority: CN
Inventors: 石欢积; 李传国; 于长山; 于国治; 李嘉; 李复芳
Original assignee: Fulongtai Precision Machinery Dalian Co ltd
Current assignee: Fulongtai Precision Machinery Dalian Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-01-07
Anticipated expiration: 2031-08-11

Abstract

The utility model relates to the technical field of pins, in particular to a pin with an improved carburizing heat treatment process. When the user is using this device, if pin fin department receives extrusion or when colliding, the arc board receives extrusion force or impact, make arc board and push rod remove, can reduce the extrusion or the impact that the pin fin received through the inside spring of tongue, thereby protect this device, nail pole and pin fin pass through connecting piece fixed connection simultaneously, the surface of connecting piece is circular-arcly, can reduce stress, avoid stress concentration, and then protect this device, improve the local toughness of this device, improve the life of this device, reduce user's use cost, the user rotates the conical member simultaneously and passes through thread bush and threaded rod, make the fixed plate shift out the inside of shifting chute, conveniently fix this device, prevent to drop.

Description

Pin with improved carburizing heat treatment process

Technical Field

The utility model relates to the technical field of pins, in particular to a pin with an improved carburizing heat treatment process.

Background

Pins, i.e. pins, generally made of cylindrical wood, metal or other materials, and particularly used to fix several separate objects together or as a support for one object to be suspended from another object, are being produced more and more in various ways to meet different requirements of use, and the materials of the pins are also different according to the use adjustment of users;

after the existing part of pins on the market are processed, the part with poor toughness is easy to break when in use due to insufficient toughness of part of the area, so that the use cost of a user is increased.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a pin with an improved carburizing heat treatment process.

In order to achieve the purpose, the utility model provides the following technical scheme: a pin with an improved carburizing heat treatment process comprises a pin rod, wherein one end of the pin rod is fixedly connected with a connecting piece, one end of the connecting piece is fixedly connected with a pin head, one end of the pin head is provided with a first rotary groove, the inside of the first rotary groove is rotatably connected with a conical piece, the inner wall of one end of the first rotary groove is provided with a second rotary groove, the inside of the second rotary groove is rotatably connected with a rotary piece, the middle part of the pin head is uniformly provided with a collecting groove, the inner wall of one end of the collecting groove is provided with two groups of elastic grooves, the inside of the elastic grooves is slidably connected with a push rod, one end of the push rod is fixedly connected with a spring, one end of the spring is fixedly connected with the inner wall of the elastic grooves, the inside of the collecting groove is slidably connected with an arc plate, the inner walls of the upper end and the lower end of the collecting groove are provided with two groups of first sliding grooves, and the inside of the first sliding grooves is slidably connected with a first sliding block, and one end of the first sliding block is fixedly connected with the arc plate, and a fixing mechanism is arranged inside the nail rod.

Preferably, fixed establishment includes third turn trough, fourth turn trough, shifting chute, thread bush, threaded rod, pushes away piece, fixed plate, second spout and second slider, the third turn trough has been seted up to the inner wall of first turn trough bottom, the fourth turn trough has been seted up to the inner wall of third turn trough bottom, the shifting chute has evenly been seted up at the middle part of nail pole, the bottom fixedly connected with thread bush of toper piece, there is the threaded rod bottom of thread bush through threaded connection, the bottom fixedly connected with of threaded rod pushes away the piece, all sliding connection has the fixed plate in the inside of shifting chute, the second spout has all been seted up to the inner wall at both ends about the shifting chute, the inner wall of second spout all sliding connection has the second slider, and the one end of second slider all with fixed plate fixed connection, convenience of customers fixes this device.

Preferably, the third rotary groove penetrates through the connecting piece and extends to the inside of the nail rod, the top ends of the moving grooves are communicated with the fourth rotary groove, and the moving grooves are communicated with each other to form communication.

Preferably, the threaded sleeve is rotatably connected with the third rotary groove, and one end of the threaded rod is located inside the fourth rotary groove, so that transmission is facilitated.

Preferably, the ends, close to each other, of the fixing plates are all in an inclined plane shape, and one sides, close to the fixing plates, of the pushing pieces are all in an inclined plane shape, so that the fixing plates can be conveniently pushed out.

Preferably, the rotating part is fixedly connected with one end of the conical part, and one end of the arc plate is fixedly connected with the push rod, so that the fixing is convenient.

Preferably, the inner diameter of the first rotary groove is matched with the outer diameter of the conical piece, and the size of the second rotary groove is matched with the rotary piece, so that the conical piece and the rotary piece can rotate conveniently.

Preferably, the fixed plate all with remove groove looks adaptation, the arc plate all with receive groove looks adaptation, make things convenient for the removal of arc plate and fixed plate.

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

when the user is using this device, if pin fin department receives extrusion or when colliding, the arc board receives extrusion force or impact, make arc board and push rod remove, can reduce the extrusion or the impact that the pin fin received through the inside spring of tongue, thereby protect this device, nail pole and pin fin pass through connecting piece fixed connection simultaneously, the surface of connecting piece is circular-arcly, can reduce stress, avoid stress concentration, and then protect this device, improve the local toughness of this device, improve the life of this device, reduce user's use cost, the user rotates the conical member simultaneously and passes through thread bush and threaded rod, make the fixed plate shift out the inside of shifting chute, conveniently fix this device, prevent to drop.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic sectional perspective view of the nail shaft, the nail head and the moving groove of the present invention;

FIG. 3 is a schematic sectional perspective view of the stud and the magazine of the present invention;

FIG. 4 is an exploded perspective view of the stem, head and push rod of the present invention;

fig. 5 is an exploded perspective view of the securing mechanism of the present invention.

In the figure: 1. a nail rod; 2. a connecting member; 3. a nail head; 4. a first rotary groove; 5. a conical member; 6. a second rotary groove; 7. rotating the workpiece; 8. collecting a groove; 9. a spring slot; 10. a push rod; 11. a spring; 12. an arc plate; 13. a first chute; 14. a first slider; 15. a third rotary groove; 16. a fourth rotary groove; 17. a moving groove; 18. a threaded sleeve; 19. a threaded rod; 20. pushing the workpiece; 21. a fixing plate; 22. a second chute; 23. and a second slider.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown:

a pin with an improved carburizing heat treatment process comprises a pin rod 1, wherein one end of the pin rod 1 is fixedly connected with a connecting piece 2, one end of the connecting piece 2 is fixedly connected with a pin head 3, one end of the pin head 3 is provided with a first rotating groove 4, the inside of the first rotating groove 4 is rotatably connected with a conical piece 5, the inner wall of one end of the first rotating groove 4 is provided with a second rotating groove 6, the inside of the second rotating groove 6 is rotatably connected with a rotating piece 7, the middle part of the pin head 3 is uniformly provided with a receiving groove 8, the inner wall of one end of the receiving groove 8 is provided with two groups of elastic grooves 9, the inner parts of the elastic grooves 9 are slidably connected with push rods 10, one ends of the push rods 10 are fixedly connected with springs 11, one ends of the springs 11 are fixedly connected with the inner wall of the elastic grooves 9, the inside of the receiving groove 8 is slidably connected with arc plates 12, the inner walls of the upper and lower ends of the receiving groove 8 are provided with two groups of first sliding grooves 13, the inside of the first sliding grooves 13 is slidably connected with first sliding blocks 14, one end of the first sliding block 14 is fixedly connected with the arc plate 12, and a fixing mechanism is arranged inside the nail rod 1;

further, a third rotary groove 15 penetrates through the connecting piece 2 and extends to the inside of the nail rod 1, the top end of the moving groove 17 is communicated with a fourth rotary groove 16, the moving grooves 17 are communicated with each other, so that the fourth rotary groove 16 and the moving grooves 17 are communicated with each other, the rotating piece 7 is fixedly connected with one end of the conical piece 5, one end of the arc plate 12 is fixedly connected with the push rod 10, the arc plate 12 is conveniently fixed, the size of the fixing plate 21 is matched with that of the moving groove 17, the size of the arc plate 12 is matched with that of the accommodating groove 8, the matched size is convenient for the movement of the arc plate 12 and the fixing plate 21, the fixing mechanism comprises a third rotary groove 15, a fourth rotary groove 16, a moving groove 17, a threaded sleeve 18, a threaded rod 19, a pushing piece 20, a fixing plate 21, a second sliding groove 22 and a second sliding block 23, the third rotary groove 15 is formed in the inner wall at the bottom end of the first rotary groove 4, the fourth rotary groove 16 is formed in the inner wall at the bottom end of the third rotary groove 15, the moving groove 17 is uniformly formed in the middle part of the nail rod 1, the bottom end of the conical member 5 is fixedly connected with a threaded sleeve 18, the bottom end of the threaded sleeve 18 is connected with a threaded rod 19 through threads, the bottom end of the threaded rod 19 is fixedly connected with a pushing member 20, the inner parts of the moving grooves 17 are all connected with a fixed plate 21 in a sliding manner, the inner walls of the upper end and the lower end of the moving grooves 17 are all provided with second sliding grooves 22, the inner walls of the second sliding grooves 22 are all connected with second sliding blocks 23 in a sliding manner, one ends of the second sliding blocks 23 are all fixedly connected with the fixed plate 21, a user rotates the conical member 5, the conical member 5 drives the rotating member 7 to rotate in the second rotating groove 6, meanwhile, the conical member 5 drives the threaded sleeve 18 to rotate, the rotating threaded sleeve 18 can enable the threaded rod 19 to move downwards, the threaded rod 19 drives the pushing member 20 to move downwards, when the inclined surface of the pushing member 20 is abutted against the inclined surface of the fixed plate 21, the fixed plate 21 can be moved out of the moving grooves 17, and simultaneously the fixed plate 21 drives the second sliding blocks 23 to slide in the second sliding grooves 22, after fixed plate 21 and pin groove support, alright completion is fixed this moment, prevent that this device from droing when using, the one end that is close to each other of fixed plate 21 all is the inclined plane form, one side that pushes away piece 20 and is close to fixed plate 21 all is the inclined plane form, after the inclined plane to pushing away piece 20 and the inclined plane of fixed plate 21 support each other, fixed plate 21 can be said and the inside of removal groove 17 is removed, thereby conveniently release fixed plate 21, the internal diameter of first rotary groove 4 and the external diameter looks adaptation of conical member 5, the size and the commentaries on classics piece 7 looks adaptation of second rotary groove 6, the size of looks adaptation makes things convenient for the rotation of conical member 5 and commentaries on classics piece 7, thread bush 18 rotates with third rotary groove 15 to be connected, 19 one end of threaded rod is located the inside of fourth rotary groove 16, make things convenient for the transmission.

The working principle is as follows: after a user places the device in a pin slot, the user rotates the conical piece 5, the conical piece 5 rotates in the first rotating slot 4, the conical piece 5 drives the rotating piece 7 to rotate in the second rotating slot 6, meanwhile, the conical piece 5 drives the threaded sleeve 18 to rotate, the threaded rod 19 can be driven to move downwards by the rotating threaded sleeve 18, the threaded rod 19 which moves downwards drives the pushing piece 20 to move downwards, after the inclined surface of the pushing piece 20 is abutted against the inclined surface of the fixing plate 21, the fixing plate 21 can move out of the moving slot 17, meanwhile, the fixing plate 21 drives the second sliding block 23 to slide in the second sliding slot 22, after the fixing plate 21 is abutted against the pin slot, fixing can be completed at the moment, the device is prevented from falling off in use, the stability is improved, when the user uses the device, the connecting piece 2 between the pin rod 1 and the pin head 3 can avoid stress concentration of the device, and further protect the device, when the pin fin 3 runs into extrusion or collision, the arc board 12 on pin fin 3 surface received extrusion force or impact earlier this moment, make arc board 12 remove to the inside of receipts groove 8, arc board 12 drives first slider 14 and slides in the inside of first spout 13, arc board 12 drives push rod 10 and slides in the inside of bounce groove 9 simultaneously, the push rod 10 of removal can compress spring 11, can reduce extrusion force and impact that this device received under the effect of spring 11 self resilience force, and then the cracked possibility of this device of reduction, improve the adaptation life-span of this device.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A pin with improved carburizing heat treatment process comprises a pin rod (1) and is characterized in that: one end of the nail rod (1) is fixedly connected with a connecting piece (2), one end of the connecting piece (2) is fixedly connected with a nail head (3), one end of the nail head (3) is provided with a first rotary groove (4), the inside of the first rotary groove (4) is rotatably connected with a conical piece (5), the inner wall of one end of the first rotary groove (4) is provided with a second rotary groove (6), the inside of the second rotary groove (6) is rotatably connected with a rotary piece (7), the middle part of the nail head (3) is uniformly provided with a retracting groove (8), the inner wall of one end of the retracting groove (8) is provided with two groups of bullet grooves (9), the inside of the bullet grooves (9) is slidably connected with push rods (10), one end of each push rod (10) is fixedly connected with a spring (11), one end of each spring (11) is fixedly connected with the inner wall of the bullet groove (9), and the inside of each retracting groove (8) is slidably connected with an arc plate (12), two sets of first chutes (13) are respectively arranged on the inner walls of the upper end and the lower end of the accommodating groove (8), the inside of each first chute (13) is connected with a first sliding block (14) in a sliding manner, one end of each first sliding block (14) is fixedly connected with the arc plate (12), and a fixing mechanism is arranged inside the nail rod (1).

2. A pin having an improved carburizing heat treatment process according to claim 1, wherein: the fixing mechanism comprises a third rotary groove (15), a fourth rotary groove (16), a moving groove (17), a threaded sleeve (18), a threaded rod (19), a pushing piece (20), a fixing plate (21), a second sliding groove (22) and a second sliding block (23), the third rotary groove (15) is formed in the inner wall of the bottom end of the first rotary groove (4), the fourth rotary groove (16) is formed in the inner wall of the bottom end of the third rotary groove (15), the moving groove (17) is uniformly formed in the middle of the nail rod (1), the threaded sleeve (18) is fixedly connected to the bottom end of the conical piece (5), the threaded rod (19) is connected to the bottom end of the threaded sleeve (18) through threads, the pushing piece (20) is fixedly connected to the bottom end of the threaded rod (19), the fixing plate (21) is slidably connected to the inner part of the moving groove (17), and the second sliding grooves (22) are formed in the inner walls of the upper end and the lower end of the moving groove (17), the inner walls of the second sliding grooves (22) are connected with second sliding blocks (23) in a sliding mode, and one ends of the second sliding blocks (23) are fixedly connected with the fixing plate (21).

3. A pin having an improved carburizing heat treatment process according to claim 2, wherein: the third rotating groove (15) penetrates through the connecting piece (2) and extends to the inside of the nail rod (1), the top ends of the moving grooves (17) are communicated with the fourth rotating groove (16), and the moving grooves (17) are communicated with each other.

4. A pin having an improved carburizing heat treatment process according to claim 2, wherein: the threaded sleeve (18) is rotatably connected with the third rotary groove (15), and one end of the threaded rod (19) is positioned in the fourth rotary groove (16).

5. A pin having an improved carburizing heat treatment process according to claim 2, wherein: the end of the fixed plate (21) close to each other is inclined, and the side of the pushing piece (20) close to the fixed plate (21) is inclined.

6. A pin having an improved carburizing heat treatment process according to claim 1, wherein: the rotating piece (7) is fixedly connected with one end of the conical piece (5), and one end of the arc plate (12) is fixedly connected with the push rod (10).

7. A pin having an improved carburizing heat treatment process according to claim 1, wherein: the inner diameter of the first rotary groove (4) is matched with the outer diameter of the conical piece (5), and the size of the second rotary groove (6) is matched with the rotary piece (7).

8. A pin having an improved carburizing heat treatment process according to claim 2, wherein: the size of the fixed plate (21) is matched with that of the movable groove (17), and the size of the arc plate (12) is matched with that of the accommodating groove (8).