CN214092640U

CN214092640U - Detachable pin shaft assembly

Info

Publication number: CN214092640U
Application number: CN202022703684.5U
Authority: CN
Inventors: 葛林; 祁欢
Original assignee: Jiangsu Duote Machinery Co ltd
Current assignee: Jiangsu Duote Machinery Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-08-31
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a detachable pin shaft assembly, including the wall body, fixedly connected with protective housing on the wall body, the symmetric connection has the joint piece on the protective housing lateral wall, the internal fixed joint structure that is equipped with of joint piece, the symmetric welding has the U-shaped board on the wall body, the joint hole has been seted up to U-shaped board both sides, the joint piece card is established in the U-shaped board, protective housing one end fixedly connected with fixed sleeve, the activity of inserting in the fixed sleeve is equipped with the pin rod, the cover is equipped with first spring on the pin rod, first spring one end supports on the protective housing inner wall, set up the annular on the pin rod, and the card is equipped with a pair of spacing piece in the annular, first spring one end supports on the spacing piece, fixedly connected with the fixture block on the pin rod, fixture block one end supports on the protective housing inner wall; compared with the prior art, can be convenient for dismantle protective housing fast through the joint structure, be convenient for maintain the maintenance to protective housing inside, reduced staff's operating strength, avoid long-time dismantlement delay time limit for a project, can improve work efficiency.

Description

Detachable pin shaft assembly

Technical Field

The utility model relates to a mechanical connection technical field specifically is a detachable round pin axle subassembly.

Background

Pin shaft: one kind of shaft generally consists of two sections with different diameters, wherein the section with the smaller diameter is a working part, and the section with the larger diameter is used for installation and limiting. A pin is typically used for the connection between two components having relative motion, forming a hinged connection at the pin. The traditional pin shaft fixing modes are various, one end of a pin shaft with a small diameter is punched and is axially fixed by a cotter pin or a bolt, and the other end of the pin shaft is a step with a larger diameter and plays a role in limiting; the pin shaft with the diameter being equal to or larger than the middle diameter is fixed by adopting a mode of slotting on the pin shaft, welding a base on the connected piece, putting a baffle plate into the slot and fixing the baffle plate on the mounting base by using a bolt. The existing pin shaft device cannot realize self locking in actual use, and the pin shaft device can be loosened or even fall off due to vibration or jolt and the like, so that a detachable pin shaft assembly is provided for solving the problems.

Disclosure of Invention

An object of the utility model is to provide a detachable round pin axle subassembly to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a detachable pin shaft assembly comprises a wall body, wherein a protective shell is fixedly connected to the wall body, clamping blocks are symmetrically connected to the side wall of the protective shell, a clamping structure is fixedly arranged in each clamping block, U-shaped plates are symmetrically welded to the wall body, clamping holes are formed in two sides of each U-shaped plate, each clamping block is clamped in each U-shaped plate, a fixing sleeve is fixedly connected to one end of the protective shell, a pin rod is movably inserted in each fixing sleeve, a first spring is sleeved on each pin rod, one end of each first spring abuts against the inner wall of the protective shell, an annular groove is formed in each pin rod, a pair of limiting pieces are clamped in each annular groove, one end of each first spring abuts against each limiting piece, a clamping block is fixedly connected to each pin rod, one end of each clamping block abuts against the inner wall of the protective shell, a limiting groove is formed in the side wall of the protective shell, one end of each pin rod is movably inserted in each limiting groove, the fixture block can be clamped inside or on the outer wall of the protective shell, and the pin rod can be prevented from falling off in the vibration or bumping process.

Preferably, the clamping structure comprises a base, the base is fixedly arranged at the bottom of the inner wall of the clamping block, a second spring is fixedly connected to the base, a semi-cylinder is fixedly connected to the second spring, third gear teeth are arranged on the side wall of the semi-cylinder, a key is fixedly connected to the semi-cylinder, a rotating shaft is arranged in the clamping block in a rotating manner, a first gear is fixedly connected to the rotating shaft and meshed with the third gear teeth, second gears are fixedly connected to the two ends of the rotating shaft, a first sliding frame and a second sliding frame are respectively arranged on the two sides of the second gear, a first gear tooth is arranged on the first sliding frame and meshed with the second gear, a first cylindrical plug is fixedly connected to one side of the first sliding frame, a third spring is symmetrically connected to the other side of the first sliding frame, one end of the third spring is fixedly connected to the inner wall of the clamping block, the utility model discloses a protective housing, including first carriage, second carriage, protection shell, button, first spring, second carriage one end symmetric connection, second carriage other end fixedly connected with second cylinder plug, when needs are dismantled protective housing, press the button and can drive the semicircle cylinder downstream, can drive the first gear revolve on the early third wheel tooth of meshing to drive the pivot and rotate, can drive second gear revolve, thereby can drive first carriage and second carriage and remove, can compress third spring and fourth spring compression, can drive first cylinder plug and the withdrawal of second cylinder plug, be convenient for pull down protective housing.

Preferably, the symmetry is equipped with first slider on the first carriage, the symmetric connection has the second slider on the second carriage, the spout has been seted up on the joint piece inner wall, first slider and second slider slide and set up in the spout, first cylinder plug and second cylinder plug insert and establish in the joint downthehole, and first cylinder plug and second cylinder plug can be with protective housing spacing fixed.

Preferably, the limiting piece is provided with a straight groove, and the inner wall of the limiting piece is provided with a magnet, so that the position of the limiting piece can be conveniently limited.

Preferably, a rotating handle is fixedly connected to the pin rod, and a rubber sleeve is sleeved on the rotating handle.

Preferably, the wall body is fixedly connected with a fixing plate, the fixing plate is provided with a jack, and one end of the pin rod is inserted into the jack.

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

1. the protective shell can be conveniently and quickly disassembled through the clamping structure, the interior of the protective shell is convenient to maintain, the operation intensity of workers is reduced, the long-time disassembly delay time limit is avoided, and the working efficiency can be improved;

2. the pin shaft can be self-locked through the clamping block, so that the pin shaft can be prevented from falling off in vibration or jolt, and the normal limiting effect is influenced.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the protective housing of the present invention;

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

FIG. 4 is a schematic side view of the structure of the clamping structure of the present invention;

in the figure: 1. a wall body; 2. a protective housing; 3. a clamping structure; 11. a U-shaped plate; 12. a fixing plate; 121. a jack; 13. a clamping block; 21. a pin rod; 211. a clamping block; 22. rotating the handle; 23. a limiting groove; 24. a limiting sheet; 25. a first spring; 26. fixing the sleeve; 31. a base; 311. a second spring; 32. a rotating shaft; 33. a first carriage; 331. a first gear tooth; 332. a first cylindrical plug; 333. a third spring; 334. a first slider; 34. a second carriage; 341. a fourth spring; 342. a second gear tooth; 343. a second slider; 344. a second cylindrical plug; 35. a semi-cylinder; 351. a third gear tooth; 36. pressing a key; 37. a first gear; 38. a second gear.

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. 1-4, the present invention provides a technical solution: a detachable pin shaft component comprises a wall body 1, a protective shell 2 is fixedly connected to the wall body 1, clamping blocks 13 are symmetrically connected to the side wall of the protective shell 2, a clamping structure 3 is fixedly arranged in each clamping block 13, U-shaped plates 11 are symmetrically welded to the wall body 1, clamping holes are formed in two sides of each U-shaped plate 11, each clamping block 13 is clamped in each U-shaped plate 11, a fixing sleeve 26 is fixedly connected to one end of each protective shell 2, a pin rod 21 is movably inserted in each fixing sleeve 26, a first spring 25 is sleeved on each pin rod 21, one end of each first spring 25 abuts against the inner wall of each protective shell 2, an annular groove is formed in each pin rod 21, a pair of limiting pieces 24 are clamped in each annular groove, one end of each first spring 25 abuts against each limiting piece 24, a clamping block 211 is fixedly connected to each pin rod 21, one end of each clamping block 211 abuts against the inner wall of each protective shell 2, a limiting groove 23 is formed in the side wall of each protective shell 2, one end of each pin rod 21 is movably inserted in each limiting groove 23, the clamping block 211 can be clamped inside or on the outer wall of the protective shell 2, so that the pin rod 21 can be prevented from falling off in the vibration or bumping process.

The clamping structure 3 comprises a base 31, the base 31 is fixedly arranged at the bottom of the inner wall of the clamping block 13, a second spring 311 is fixedly connected to the base 31, a semi-cylinder 35 is fixedly connected to the second spring 311, a third gear 351 is arranged on the side wall of the semi-cylinder 35, a key 36 is fixedly connected to the semi-cylinder 35, a rotating shaft 32 is rotatably arranged in the clamping block 13, a first gear 37 is fixedly connected to the rotating shaft 32, the first gear 37 is engaged with the third gear 351, a second gear 38 is fixedly connected to both ends of the rotating shaft 32, a first sliding frame 33 and a second sliding frame 34 are respectively arranged on both sides of the second gear 38, a first gear 331 is arranged on the first sliding frame 33, the first gear 331 is engaged with the second gear 38, a first cylindrical plug 332 is fixedly connected to one side of the first sliding frame 33, a third spring 333 is symmetrically connected to the other side of the first sliding frame 33, one end of the third spring 333 is fixedly connected to the inner wall of the clamping block 13, second saddle 34 bottom is equipped with second teeth of a cogwheel 342, second teeth of a cogwheel 342 meshing is on second gear 38, second saddle 34 one end symmetric connection has fourth spring 341, second saddle 34 other end fixedly connected with second cylinder plug 344, when needing to dismantle protective housing 2, press button 36 and can drive half-cylinder 35 downstream, can drive the first gear 37 rotation of meshing on third teeth of a cogwheel 351, thereby drive pivot 32 and rotate, can drive second gear 38 and rotate, thereby can drive first saddle 33 and second saddle 34 and remove, can compress third spring 333 and the compression of fourth spring 341, can drive the withdrawal of first cylinder plug 332 and second cylinder plug 344, be convenient for pull down protective housing 2.

First slider 334 is equipped with to the symmetry on first carriage 33, and symmetrical connection has second slider 343 on second carriage 34, has seted up the spout on the joint piece 13 inner wall, and first slider 334 and second slider 343 slide to be set up in the spout, and first cylinder plug 332 and second cylinder plug 344 insert and establish in the joint is downthehole, and first cylinder plug 332 and second cylinder plug 344 can be with protective housing 2 spacing fixed.

The limiting sheet 24 is provided with a straight groove, and the inner wall of the limiting sheet 24 is provided with a magnet, so that the position of the limiting sheet 24 can be conveniently limited.

The pin rod 21 is fixedly connected with a rotating handle 22, and the rotating handle 22 is sleeved with a rubber sleeve.

The wall body 1 is fixedly connected with a fixing plate 12, the fixing plate 12 is provided with an insertion hole 121, and one end of the pin rod 21 is inserted into the insertion hole 121.

The working principle is as follows: when needing to dismantle protective housing 2, press button 36 and can drive half cylinder 35 downstream, can drive the first gear 37 rotation of meshing on third teeth of a cogwheel 351, thereby drive pivot 32 and rotate, can drive second gear 38 and rotate, thereby can drive first carriage 33 and the removal of second carriage 34, can compress third spring 333 and the compression of fourth spring 341, can drive first cylinder plug 332 and the withdrawal of second cylinder plug 344, be convenient for pull down protective housing 2, be convenient for dismantle protective housing 2 fast, staff's operating strength has been reduced, avoid long-time dismantlement delay time limit for a project, can improve work efficiency, and fixture block 211 can block and establish in protective housing 2 inside or outer wall, can avoid shaking or jolt in-process and lead to the round pin pole 21 to drop.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a detachable round pin axle subassembly, includes wall body (1), its characterized in that: fixedly connected with protective housing (2) on wall body (1), symmetrical connection has joint piece (13) on protective housing (2) lateral wall, joint piece (13) internal fixation is equipped with joint structure (3), symmetrical welding has U-shaped plate (11) on wall body (1), the joint hole has been seted up to U-shaped plate (11) both sides, joint piece (13) card is established in U-shaped plate (11), protective housing (2) one end fixedly connected with fixed sleeve (26), fixed sleeve (26) internalization is inserted and is equipped with pin rod (21), the cover is equipped with first spring (25) on pin rod (21), first spring (25) one end is supported on protective housing (2) inner wall, the annular has been seted up on pin rod (21), and the annular internal card is equipped with a pair of spacing piece (24), first spring (25) one end is supported on spacing piece (24), fixedly connected with fixture block (211) on pin rod (21), fixture block (211) one end is supported on protective housing (2) inner wall, spacing groove (23) have been seted up on protective housing (2) lateral wall, pin rod (21) one end activity is inserted and is established on spacing groove (23).

2. The removable pin assembly of claim 1, further comprising: the clamping structure (3) comprises a base (31), the base (31) is fixedly arranged at the bottom of the inner wall of the clamping block (13), a second spring (311) is fixedly connected onto the base (31), a semi-cylinder body (35) is fixedly connected onto the second spring (311), a third gear (351) is arranged on the side wall of the semi-cylinder body (35), a key (36) is fixedly connected onto the semi-cylinder body (35), a rotating shaft (32) is arranged in the clamping block (13) in a rotating manner, a first gear (37) is fixedly connected onto the rotating shaft (32), the first gear (37) is meshed onto the third gear (351), second gears (38) are fixedly connected onto two ends of the rotating shaft (32), a first sliding frame (33) and a second sliding frame (34) are respectively arranged on two sides of the second gear (38), and a first gear (331) is arranged on the first sliding frame (33), the meshing is on second gear (38) on the first teeth of a cogwheel (331), first cylinder plug (332) of first carriage (33) one side fixed connection, first carriage (33) opposite side symmetric connection has third spring (333), third spring (333) one end fixed connection is on joint piece (13) inner wall, second carriage (34) bottom is equipped with the second teeth of a cogwheel (342), the meshing of the second teeth of a cogwheel (342) is on second gear (38), second carriage (34) one end symmetric connection has fourth spring (341), second carriage (34) other end fixed connection has second cylinder plug (344).

3. The removable pin assembly of claim 2, further comprising: first slider (334) are equipped with to the symmetry on first carriage (33), symmetrical connection has second slider (343) on second carriage (34), the spout has been seted up on joint piece (13) inner wall, first slider (334) and second slider (343) slide and set up in the spout, first cylinder plug (332) and second cylinder plug (344) are inserted and are established downtheholely in the joint.

4. The removable pin assembly of claim 1, further comprising: the limiting piece (24) is provided with a straight groove, and the inner wall of the limiting piece (24) is provided with a magnet.

5. The removable pin assembly of claim 1, further comprising: the rotary handle (22) is fixedly connected to the pin rod (21), and a rubber sleeve is sleeved on the rotary handle (22).

6. The removable pin assembly of claim 1, further comprising: the wall body (1) is fixedly connected with a fixing plate (12), an insertion hole (121) is formed in the fixing plate (12), and one end of the pin rod (21) is inserted into the insertion hole (121).