CN214534152U

CN214534152U - Pawl mechanism

Info

Publication number: CN214534152U
Application number: CN202022652671.XU
Authority: CN
Inventors: 喻华德; 王敏
Original assignee: Suzhou Haoyaochen Intelligent Technology Co ltd
Current assignee: Suzhou Haoyaochen Intelligent Technology Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-10-29
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a pawl mechanism, including ratchet and silica gel pad, the outer wall of ratchet all is provided with first draw-in groove, and one side of first draw-in groove is provided with first fixture block, and one side of first fixture block is provided with the lubricating oil box simultaneously, the place ahead of lubricating oil box is provided with the fixed block, and the top of fixed block is provided with expanding spring, and expanding spring's top is provided with the pawl simultaneously, the top of pawl is provided with the lag, and one side of lag is provided with the second fixture block, and one side of second fixture block is provided with the second draw-in groove simultaneously, the inboard below of second draw-in groove is provided with the lift cover, and the top of lift cover is provided with the lifter. This pawl mechanism through the setting of lubricating oil box, can carry out effectual lubrication action to the device in the use, avoids unable lubricating it, leads to the device to use the too big damage of wearing and tearing for a long time to the effectual result of use that has promoted the device.

Description

Pawl mechanism

Technical Field

The utility model relates to a relevant technical field of pawl specifically is a pawl mechanism.

Background

The ratchet mechanism is a one-way intermittent motion mechanism consisting of the ratchet wheel and the pawl, when a rocker swings clockwise, the pawl slides on the ratchet wheel, the ratchet wheel stops rotating, and when the ratchet wheel works, the pawl is under the action of the pushing force of the pawl and can also be under the action of the reaction force of the ratchet wheel.

But the pawl mechanism that uses at present does not possess the setting of lubricating oil box, can't carry out effectual lubrication action to it in the use, leads to ratchet and pawl wearing and tearing each other greatly easily, makes its loss unable use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pawl mechanism to the pawl mechanism who provides at present uses in solving above-mentioned background art does not possess the setting of lubricating oil box, can't carry out effectual lubrication action to it in the use, leads to ratchet and pawl wearing and tearing each other greatly easily, makes the unable problem of using of its loss.

In order to achieve the above object, the utility model provides a following technical scheme: a pawl mechanism comprises a ratchet wheel and a silica gel pad, wherein the outer wall of the ratchet wheel is provided with a first clamping groove, one side of the first clamping groove is provided with a first clamping block, meanwhile, one side of the first clamping block is provided with a lubricating oil box, a fixed block is arranged in front of the lubricating oil box, a telescopic spring is arranged above the fixed block, meanwhile, a pawl is arranged above the telescopic spring, a protective sleeve is arranged above the pawl, a second clamping block is arranged on one side of the protective sleeve, meanwhile, one side of the second clamping block is provided with a second clamping groove, a lifting sleeve is arranged below the inner side of the second clamping groove, a lifting rod is arranged above the lifting sleeve, a hoop is arranged above the lifting rod, the upper side and the lower side of one side of the hoop are both provided with a limiting block, meanwhile, one side of the limiting block is provided with a limiting hole, the silica gel pad is arranged on the inner wall of the ratchet wheel, and the inner wall of the silica gel pad is provided with a fixing bolt.

Preferably, the lubricating oil box is connected with the ratchet wheel in a clamping mode through a first clamping groove, and the first clamping groove is of a concave structure.

Preferably, the fixed block, the telescopic spring and the pawl form a telescopic structure, and the size of the fixed block is larger than that of the pawl.

Preferably, the protecting sleeve is connected with the lifting rod in a clamping mode through a second clamping block, and the protecting sleeve is symmetrically arranged on the central axis of the lifting rod.

Preferably, the lifting sleeve, the lifting rod and the ratchet form a lifting structure, and the lifting sleeve and the lifting rod are vertically distributed.

Preferably, the clamp is movably connected with the limiting hole through a limiting block, and the limiting hole is symmetrically arranged with the central axis of the clamp.

Preferably, the silica gel pad is in threaded connection with the ratchet wheel through fixing bolts, and the fixing bolts are distributed on the inner wall of the silica gel pad at equal intervals.

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

1. the pawl mechanism can effectively lubricate the device in the use process through the arrangement of the lubricating oil box, so that the phenomenon that the device is too worn and damaged due to long-time use because the device cannot be lubricated is avoided, and the use effect of the device is effectively improved;

2. the pawl mechanism can play an effective protection role on the device when the device is idle through the arrangement of the protective sleeve, and prevents the ratchet wheel from being damaged and incapable of being used due to the fact that an external heavy object is smashed, so that the using effect of the device is effectively improved;

3. this pawl mechanism through the setting of clamp, can play the effect of the installation of being convenient for to the device in the use, avoids the installation inconvenient, need consume a large amount of manpower and materials when leading to the device installation to the effectual result of use that has promoted the device.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

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

FIG. 3 is a schematic view of the structure of the present invention in which the clamp and the limiting block are engaged with each other;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a ratchet wheel; 2. a first card slot; 3. a first clamping block; 4. a lubricating oil cartridge; 5. a fixed block; 6. a tension spring; 7. a pawl; 8. a protective sleeve; 9. a second fixture block; 10. a second card slot; 11. a lifting sleeve; 12. a lifting rod; 13. clamping a hoop; 14. a limiting block; 15. a limiting hole; 16. a silica gel pad; 17. and (5) fixing the bolt.

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 pawl mechanism comprises a ratchet wheel 1 and a silica gel pad 16, wherein the outer wall of the ratchet wheel 1 is provided with a first clamping groove 2, one side of the first clamping groove 2 is provided with a first clamping block 3, one side of the first clamping block 3 is provided with a lubricating oil box 4, a fixing block 5 is arranged in front of the lubricating oil box 4, a telescopic spring 6 is arranged above the fixing block 5, a pawl 7 is arranged above the telescopic spring 6, a protective sleeve 8 is arranged above the pawl 7, one side of the protective sleeve 8 is provided with a second clamping block 9, one side of the second clamping block 9 is provided with a second clamping groove 10, a lifting sleeve 11 is arranged below the inner side of the second clamping groove 10, a lifting rod 12 is arranged above the lifting sleeve 11, a clamp 13 is arranged above the lifting rod 12, the upper side and the lower side of the clamp 13 are provided with limiting blocks 14, one side of the limiting block 14 is provided with a limiting hole 15, the silica gel pad 16 is arranged on the inner wall of the ratchet wheel 1, and the inner wall of the silica gel pad 16 is provided with a fixing bolt 17.

Further, the lubricating oil box 4 is connected with 1 block of ratchet through first draw-in groove 2, and first draw-in groove 2 is "concave" shape structure, through the setting of lubricating oil box 4, can carry out effectual lubrication action to the device in the use, avoids unable lubricating it to lead to the device to use the too big damage of wearing and tearing for a long time to the effectual result of use that has promoted the device.

Further, the fixed block 5, the telescopic spring 6 and the pawl 7 form a telescopic structure, the size of the fixed block 5 is larger than that of the pawl 7, and through the arrangement of the telescopic spring 6, when the ratchet 1 rotates, the telescopic spring 6 drives the fixed block 5 to work on the ratchet 1 with different sizes.

Further, lag 8 is connected with the 12 block of lifter through second fixture block 9, and lag 8 sets up with the axis symmetry of lifter 12, through lag 8's setting, can play effectual guard action to the device when idle, avoids external heavy object to pound to make ratchet 1 damage unable the use to the effectual result of use that has promoted the device.

Further, lifting sleeve 11, lifter 12 and ratchet 1 constitute elevation structure, and lifting sleeve 11 and lifter 12 are vertical distribution, through the setting of lifter 12, according to required in service behavior, pulling lifter 12, lifter 12 drives ratchet 1 and goes up and down to suitable position to use the device according to the condition.

Further, clamp 13 passes through stopper 14 and spacing hole 15 swing joint, and just spacing hole 15 sets up with clamp 13's axis symmetry, through clamp 13's setting, can play the effect of the installation of being convenient for to the device in the use, avoids the installation inconvenient, need consume a large amount of manpower and materials when leading to the device installation to the effectual result of use that has promoted the device.

Further, silica gel pad 16 passes through fixing bolt 17 and ratchet 1 threaded connection, and fixing bolt 17 is equidistant distribution at silica gel pad 16 inner wall, through silica gel pad 16's setting, installs silica gel pad 16 to pawl 7 inner wall, uses fixing bolt 17 to fix it to in carrying out effectual guard action to the device, avoid pawl 7 long-term wearing and tearing to make its damage.

The working principle is as follows: for the pawl mechanism, firstly, when the device is needed to be used, the lubricating oil box 4 is firstly installed on the outer wall of the ratchet 1, the first clamping block 3 is pressed into the first clamping groove 2 to be fixed by force so as to lead the lubricating oil filled in the lubricating oil box 4 to lubricate the device, then the silica gel pad 16 is installed on the inner wall of the pawl 7 to be fixed by using the fixing bolt 17 so as to lead the device to have effective protection function and avoid the pawl 7 from being damaged by long-term abrasion, secondly, the hoop 13 is pulled to be fixed on the device which needs to be connected, the limiting block 14 is clamped into the limiting hole 15 to carry out fixed installation function, then the lifting rod 12 is pulled according to the needed use condition, the lifting rod 12 drives the ratchet 1 to be lifted to a proper position so as to be convenient for using the device according to the condition, when the ratchet 1 rotates, the expansion spring 6 drives the fixing block 5 to work on the ratchet 1 with different sizes, finally, when the device is idle, the protective sleeve 8 is arranged on the outer wall of the lifting rod 12, the second clamping block 9 is clamped into the second clamping groove 10 by pressing forcibly, and the second clamping block is fixed, so that the device is protected, and the using process of the whole pawl mechanism is completed.

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. A pawl mechanism, includes ratchet (1) and silica gel pad (16), its characterized in that: the outer wall of the ratchet wheel (1) is provided with a first clamping groove (2), a first clamping block (3) is arranged on one side of the first clamping groove (2), a lubricating oil box (4) is arranged on one side of the first clamping block (3), a fixing block (5) is arranged in front of the lubricating oil box (4), a telescopic spring (6) is arranged above the fixing block (5), a pawl (7) is arranged above the telescopic spring (6), a protective sleeve (8) is arranged above the pawl (7), a second clamping block (9) is arranged on one side of the protective sleeve (8), a second clamping groove (10) is arranged on one side of the second clamping block (9), a lifting sleeve (11) is arranged below the inner side of the second clamping groove (10), a lifting rod (12) is arranged above the lifting sleeve (11), a hoop (13) is arranged above the lifting rod (12), and both sides all are provided with stopper (14) about one side of clamp (13), and one side of stopper (14) is provided with spacing hole (15) simultaneously, silica gel pad (16) set up the inner wall at ratchet (1), and the inner wall of silica gel pad (16) all is provided with fixing bolt (17).

2. A detent mechanism according to claim 1, wherein: the lubricating oil box (4) is connected with the ratchet wheel (1) in a clamping mode through the first clamping groove (2), and the first clamping groove (2) is of a concave structure.

3. A detent mechanism according to claim 1, wherein: the fixed block (5), the telescopic spring (6) and the pawl (7) form a telescopic structure, and the size of the fixed block (5) is larger than that of the pawl (7).

4. A detent mechanism according to claim 1, wherein: the protecting sleeve (8) is connected with the lifting rod (12) in a clamping mode through a second clamping block (9), and the protecting sleeve (8) is symmetrically arranged on the central axis of the lifting rod (12).

5. A detent mechanism according to claim 1, wherein: the lifting sleeve (11), the lifting rod (12) and the ratchet wheel (1) form a lifting structure, and the lifting sleeve (11) and the lifting rod (12) are vertically distributed.

6. A detent mechanism according to claim 1, wherein: the clamp (13) is movably connected with the limiting hole (15) through the limiting block (14), and the limiting hole (15) is symmetrically arranged with the central axis of the clamp (13).

7. A detent mechanism according to claim 1, wherein: the silica gel pad (16) is in threaded connection with the ratchet wheel (1) through the fixing bolts (17), and the fixing bolts (17) are distributed on the inner wall of the silica gel pad (16) at equal intervals.