CN213954181U

CN213954181U - Novel back wheel

Info

Publication number: CN213954181U
Application number: CN202021928470.1U
Authority: CN
Inventors: 张金玲
Original assignee: Tianjin Wanbang Technology Development Co ltd
Current assignee: Tianjin Wanbang Technology Development Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-08-13
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a novel back wheel, including first shaft coupling and second shaft coupling, the mounting groove has all been seted up at first shaft coupling and second shaft coupling outside surface middle part, a plurality of slots have evenly been seted up on first shaft coupling outside surface, a plurality of fixed slots have evenly been seted up on second shaft coupling outside surface, the inside activity block of fixed slot is provided with the round pin post, the inside block mechanism that is provided with of round pin post, block mechanism includes telescopic link, button, connecting rod, first magnet, fixed block, kelly, second magnet, draw-in groove, the inboard middle part of round pin post is fixed and is provided with the telescopic link, the fixed button that is provided with of telescopic link one end, the fixed connecting rod that is provided with in button surface upper end. The utility model discloses excellent in use effect, its round pin post can be convenient for change when damaging appears owing to wearing and tearing after long-time the use to can prevent that a round pin post from damaging and leading to whole device all can't use.

Description

Novel back wheel

Technical Field

The utility model relates to a back wheel technical field specifically is a novel back wheel.

Background

The coupling is generally used for connecting rotating equipment, such as a dragging mechanical motor and a dragged mechanical water pump, and one of the modes is to rigidly connect rotating shafts between the two equipment together by using the coupling for connecting, so as to drive the other equipment to rotate.

However, after the currently used back-rest wheel is used for a long time, the back-rest wheel is not tightly connected with the back-rest wheel due to damage, and vibration is easily generated during power transmission, but the pin of the currently used back-rest wheel is more complicated to replace, and the using effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel back wheel to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel back rest wheel comprises a first coupler and a second coupler, wherein mounting grooves are formed in the middle of the outer side surfaces of the first coupler and the second coupler, a plurality of slots are uniformly formed in the outer side surface of the first coupler, a plurality of fixing grooves are uniformly formed in the outer side surface of the second coupler, pin columns are movably clamped in the fixing grooves, clamping mechanisms are arranged in the pin columns and comprise telescopic rods, buttons, connecting rods, first magnets, fixing blocks, clamping rods, second magnets and clamping grooves, the telescopic rods are fixedly arranged in the middle of the inner sides of the pin columns, the buttons are fixedly arranged at one ends of the telescopic rods, the connecting rods are fixedly arranged at the upper ends of the surfaces of the buttons, the first magnets are fixedly arranged at one ends of the connecting rods, which are far away from the buttons, the fixing blocks are fixedly arranged at the lower ends of one sides, which are far away from the telescopic rods, in the pin columns, the inside movable block of fixed block is provided with the kelly, the kelly is close to the fixed second magnet that is provided with of one end of first magnet, the draw-in groove has been seted up to inside one side of mounting groove, kelly movable block sets up inside the draw-in groove.

Preferably, the telescopic link is internally provided with a first spring, and the first spring can be matched with the telescopic link to push the button to reset.

Preferably, the surface of the outer side of the clamping rod is sleeved with a second spring, and the clamping rod can be pushed to reset through the second spring.

Preferably, the surface cover outside the round pin post is equipped with the elastic sleeve, can make the round pin axle can with the slot between closely laminating prevent to have the seam to lead to shake when actuating force transmission through the elastic sleeve.

Preferably, the first magnet and the second magnet are opposite in magnetic pole to each other, so that the first magnet and the second magnet attract each other when approaching.

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

1. when the pin is worn and needs to be replaced after the device is used for a long time, the button can be pressed, so that the button pushes the first magnet to be close to the second magnet, the second magnet drives the clamping rod to move towards the first magnet through magnetic adsorption, the clamping rod can be pulled out from the clamping groove, and the pin can be taken out from the inside of the fixed groove to be replaced;

2. the utility model discloses when installing new round pin post, only need press earlier the button, then insert the fixed slot with the round pin post inside, loose hand afterwards, the button can reset under the effect of first spring this moment, and inside the kelly can reset the card under the second spring action and go into the draw-in groove, so can accomplish the fixed of round pin post.

Drawings

Fig. 1 is a schematic view of the overall structure of a novel back wheel of the present invention;

fig. 2 is an internal structural view of a novel coupling for a second coupling of a back wheel according to the present invention;

fig. 3 is an enlarged view of a position a in fig. 2 of the novel back wheel of the present invention.

In the figure: 1. a first coupling; 2. a second coupling; 3. mounting grooves; 4. a slot; 5. fixing grooves; 6. a pin; 7. a telescopic rod; 8. a button; 9. a connecting rod; 10. a first magnet; 11. a fixed block; 12. a clamping rod; 13. a second magnet; 14. a card slot; 15. a first spring; 16. a second spring.

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. 1-3, the present invention provides a technical solution: a novel back rest wheel comprises a first coupler 1 and a second coupler 2, wherein the middle parts of the outer side surfaces of the first coupler 1 and the second coupler 2 are respectively provided with a mounting groove 3, the outer side surface of the first coupler 1 is uniformly provided with a plurality of slots 4, the outer side surface of the second coupler 2 is uniformly provided with a plurality of fixing grooves 5, the inside of each fixing groove 5 is movably clamped with a pin 6, the inside of each pin 6 is provided with a clamping mechanism, each clamping mechanism comprises a telescopic rod 7, a button 8, a connecting rod 9, a first magnet 10, a fixing block 11, a clamping rod 12, a second magnet 13 and a clamping groove 14, the middle part of the inner side of each pin 6 is fixedly provided with the telescopic rod 7, one end of each telescopic rod 7 is fixedly provided with the button 8, the upper end of the surface of each button 8 is fixedly provided with the connecting rod 9, and one end of each, the inside fixed block 11 that is provided with of one side lower extreme of keeping away from telescopic link 7 of round pin post 6, the inside activity block of fixed block 11 is provided with kelly 12, kelly 12 is close to the fixed second magnet 13 that is provided with of one end of first magnet 10, draw-in groove 14 has been seted up to 3 inside one sides in mounting groove, kelly 12 activity block sets up inside draw-in groove 14.

The inside first spring 15 that is provided with of telescopic link 7 can cooperate telescopic link 7 to promote through first spring 15 and press the button 8 to reset, the surperficial cover in kelly 12 outside is equipped with second spring 16, can promote kelly 12 through second spring 16 and reset, 6 outside surface covers of round pin post are equipped with the elastic sleeve, can make the round pin axle closely laminate between can and the slot 4 and prevent that the crack from leading vibrations to take place when actuating the power transmission, first magnet 10 is opposite with second magnet 13 face magnetic pole that is close to each other, so can make first magnet 10 and second magnet 13 attract each other when being close to.

The working principle is as follows: when the device is used, the first coupler 1 can be connected with a motor through the mounting groove 3, then the second coupler 2 is connected with a driven shaft, then the pin 6 on the surface of the second coupler 2 is inserted into the slot 4 on the surface of the first connecting shaft, so that power transmission connection can be completed, when the device is used for a long time and the pin 6 is worn and needs to be replaced, the button 8 can be pressed, so that the button 8 pushes the first magnet 10 to approach the second magnet 13, so that the second magnet 13 drives the clamping rod 12 to move towards the first magnet 10 through magnetic adsorption, so that the clamping rod 12 can be pulled out of the clamping groove 14, so that the pin 6 can be taken out of the inside of the fixing groove 5 for replacement, the whole replacement process is convenient and fast, then when a new pin 6 is installed, the button 8 is pressed first, and then the pin 6 is inserted into the fixing groove 5, subsequently, the user releases his hand, the button 8 can be reset under the action of the first spring 15, the clamping rod 12 can be reset under the action of the second spring 16 and clamped into the clamping groove 14, the pin 6 can be fixed, and the whole process is convenient and fast.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 novel backrest wheel, includes first shaft coupling (1) and second shaft coupling (2), its characterized in that: the outer side surface middle parts of the first coupler (1) and the second coupler (2) are respectively provided with a mounting groove (3), the outer side surface of the first coupler (1) is uniformly provided with a plurality of slots (4), the outer side surface of the second coupler (2) is uniformly provided with a plurality of fixing grooves (5), the fixing grooves (5) are movably clamped with pin columns (6), the pin columns (6) are internally provided with a clamping mechanism, the clamping mechanism comprises a telescopic rod (7), a button (8), a connecting rod (9), a first magnet (10), a fixing block (11), a clamping rod (12), a second magnet (13) and a clamping groove (14), the middle part of the inner side of each pin column (6) is fixedly provided with the telescopic rod (7), one end of the telescopic rod (7) is fixedly provided with the button (8), and the upper end of the surface of the button (8) is fixedly provided with the connecting rod (9), the fixed first magnet (10) that is provided with of one end of keeping away from button (8) in connecting rod (9), the inside one side lower extreme of keeping away from telescopic link (7) of round pin post (6) is fixed and is provided with fixed block (11), the inside activity block of fixed block (11) is provided with kelly (12), kelly (12) are close to the fixed second magnet (13) that is provided with of one end of first magnet (10), draw-in groove (14) have been seted up to inside one side of mounting groove (3), kelly (12) activity block sets up inside draw-in groove (14).

2. The novel back rest wheel of claim 1, wherein: a first spring (15) is arranged inside the telescopic rod (7).

3. The novel back rest wheel of claim 1, wherein: the outer side surface of the clamping rod (12) is sleeved with a second spring (16).

4. The novel back rest wheel of claim 1, wherein: the outer side surface of the pin column (6) is sleeved with an elastic sleeve.

5. The novel back rest wheel of claim 1, wherein: the first magnet (10) and the second magnet (13) are close to each other and have opposite magnetic poles.