CN214093036U

CN214093036U - Transmission shaft sliding fork blanking cover dust keeper

Info

Publication number: CN214093036U
Application number: CN202022565064.XU
Authority: CN
Inventors: 徐佳斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-08-31
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a transmission shaft slip yoke blanking cover dust keeper, including loop bar, jam and connecting block, the inside of jam is provided with seal structure, the connecting block is installed on the top of jam, and the top of connecting block installs the fixing base, the inside both sides of fixing base all are provided with the slider, and one side of slider all is provided with the fixed plate, one side of fixed plate all extends to one side of fixing base, the top of slider all is provided with the loop bar, the roof is installed on the top of fixing base, the spout has been seted up to the inside intermediate position department of roof, the inside connecting rod that runs through of spout between loop bar one side, state that the connecting rod outer wall cover between loop bar one side is equipped with damping spring. The utility model discloses a jam is attached on the inner wall of transmission shaft, and the guide arm takes place to remove when blockking up to take place deformation, to the inside extension of cavity, deformation takes place for auxiliary spring, and this structure is favorable to increasing the leakproofness of device.

Description

Transmission shaft sliding fork blanking cover dust keeper

Technical Field

The utility model relates to an automobile transmission shaft technical field specifically is transmission shaft sliding fork blanking cover dust keeper.

Background

The propeller shaft is a shaft capable of transmitting power among propeller shafts of a universal transmission. It is a high speed, less supported rotating body, so its dynamic balance is crucial. When the transmission shaft is used, the transmission shaft needs to be blocked, and the existing blocking cover has a plurality of defects.

The first and the traditional blocking cover devices have poor dustproof effect, so that dust blocks an exhaust pipe of the transmission shaft;

the second and the traditional plugging device do not have a good fixing function, so that the plugging cover is easy to fall off;

third, traditional blanking cover device, the leakproofness is relatively poor, leads to unable to play fine shutoff effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transmission shaft slip yoke blanking cap dust keeper to solve the dustproof effect that proposes among the above-mentioned background art relatively poor, do not have fine fixed function and the relatively poor problem of leakproofness.

In order to achieve the above object, the utility model provides a following technical scheme: the transmission shaft sliding fork blocking cover dustproof device comprises a loop bar, a plug and a connecting block, wherein a sealing structure is arranged inside the plug, the connecting block is arranged at the top end of the plug, a fixed seat is arranged at the top end of the connecting block, sliding blocks are arranged on two sides inside the fixed seat, a fixed plate is arranged on one side of each sliding block, one side of each fixed plate extends to one side of the fixed seat, the loop bar is arranged at the top end of each sliding block, a top plate is arranged at the top end of the fixed seat, a sliding groove is formed in the middle position inside the top plate, a connecting rod penetrates through the inside of the sliding groove between one sides of the loop bars, a damping spring is sleeved on the outer wall of the connecting rod between one sides of the loop bars, a shifting piece is arranged on one side of the loop bar above the top plate, and a dustproof structure is arranged at the bottom end of the top plate;

the dustproof structure comprises a side plate, the side plate is installed at the bottom end of the top plate, a filter screen is arranged at the bottom end of the inner wall of the side plate, a sealing ring is arranged on one side, close to the fixing seat, of the filter screen, and a hollow groove is formed in the bottom end of the top plate on the inner side of the side plate.

Preferably, the top ends of the loop bars penetrate through the inside of the sliding groove, and the top ends of the loop bars extend to the upper side of the top plate.

Preferably, the two sides of the connecting rod are connected to the inner wall of the sliding groove, and the length of the connecting rod is equal to the transverse length inside the fixed seat.

Preferably, the cross sections of the plug and the fixing seat are circular, and the area of the plug is slightly larger than that of the fixing seat.

Preferably, the sealing structure comprises a groove, an auxiliary spring, a cavity and a guide rod, the groove is formed in the top end of the plug, the guide rod is evenly arranged on the inner wall of the groove, the cavity is evenly formed in the plug inside the inner side of the groove, and one side of the guide rod extends to the inside of the cavity.

Preferably, the cavity on one side of the guide rod is internally provided with an auxiliary spring, and one side of the auxiliary spring is connected to one side of the cavity.

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

(1) through the arrangement of the shifting piece, the sleeve rod, the sliding block and the fixing seat, a user presses the shifting piece to move the sleeve rod, so that the sliding block is driven to move in the fixing seat, the fixing plate extends towards the inside of the fixing seat, the damping spring on the connecting rod deforms when the sleeve rod moves, a worker can install the device on the transmission shaft, after the device is inserted, the shifting piece is loosened, the fixing plate extends outwards to abut against the inner wall of the transmission shaft under the reaction force of the damping spring, the device can be fixed, the device is prevented from falling off, and the structure realizes the fixing function of the device;

(2) by arranging the plug, the cavity and the guide rod, after the device is installed, the cross-sectional area of the plug is slightly larger than the cross section of the transmission shaft, and the outer side of the plug is made of soft materials, so that the outer side of the plug can deform and is attached to the inner wall of the transmission shaft, the guide rod moves while the plug deforms and extends towards the inner part of the cavity to assist the spring to deform, the sealing performance of the device can be improved, and the sealing performance of the device is improved by the structure;

(3) through being provided with dead slot, sealing ring and filter screen, the exhaust hole of transmission shaft extends to inside the dead slot, and the sealing ring is attached at the outer wall of transmission shaft simultaneously, and exhaust hole exhausts and gets into the dead slot in the middle of, and gas in the middle of the dead slot can only the downstream, and from the filter screen department discharge external world, the filter screen can prevent that external dust from reaching exhaust hole department against the current, has effectively played dustproof function, and this structure has realized dirt-proof function.

Drawings

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

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic top view of the top plate of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the plug in a top view.

In the figure: 1. a loop bar; 2. a chute; 3. a damping spring; 4. a shifting sheet; 5. a connecting rod; 6. a fixing plate; 7. blocking; 8. connecting blocks; 9. a sealing structure; 901. a groove; 902. an auxiliary spring; 903. a cavity; 904. a guide bar; 10. a slider; 11. a fixed seat; 12. a seal ring; 13. a filter screen; 14. a side plate; 15. an empty groove; 16. a top plate.

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.

Example 1: referring to fig. 1-4, the anti-dust device for the sliding fork cap of the transmission shaft comprises a loop bar 1, a plug 7 and a connecting block 8, wherein a sealing structure 9 is arranged inside the plug 7, the connecting block 8 is arranged at the top end of the plug 7, and the top end of the connecting block 8 is provided with a fixed seat 11, the two sides inside the fixed seat 11 are provided with slide blocks 10, one side of each sliding block 10 is provided with a fixing plate 6, one side of each fixing plate 6 extends to one side of each fixing seat 11, the top ends of the sliding blocks 10 are provided with loop bars 1, the top end of each fixing seat 11 is provided with a top plate 16, a sliding groove 2 is formed in the middle of the inside of each top plate 16, a connecting rod 5 penetrates through the inside of each sliding groove 2 between the two sides of each loop bar 1, the outer wall of each connecting rod 5 between the two sides of each loop bar 1 is sleeved with a damping spring 3, one side of each loop bar 1 above each top plate 16 is provided with a shifting piece 4, and the bottom end of each top plate 16 is provided with a dustproof structure;

referring to fig. 1-4, the anti-dust device for the sliding fork blocking cover of the transmission shaft further comprises a dust-proof structure, the dust-proof structure comprises a side plate 14, the side plate 14 is installed at the bottom end of a top plate 16, a filter screen 13 is arranged at the bottom end of the inner wall of the side plate 14, a sealing ring 12 is arranged on one side of the filter screen 13 close to the fixed seat 11, and a hollow groove 15 is formed at the bottom end of the top plate 16 on the inner side of the side plate 14;

specifically, as shown in fig. 1, when the mechanism is used, the exhaust hole of the transmission shaft extends to the inside of the empty groove 15, meanwhile, the sealing ring 12 is attached to the outer wall of the transmission shaft, the exhaust hole exhausts air to enter the empty groove 15, the air in the empty groove 15 can only move downwards, the air is exhausted from the outside from the filter screen 13, the filter screen 13 can prevent external dust from flowing to the exhaust hole in a reverse direction, and the dustproof function is effectively achieved.

Example 2: the sealing structure 9 comprises a groove 901, an auxiliary spring 902, a cavity 903 and a guide rod 904, wherein the groove 901 is formed in the top end of the plug 7, the guide rod 904 is uniformly arranged on the inner wall of the groove 901, the cavity 903 is uniformly formed in the plug 7 on the inner side of the groove 901, and one side of the guide rod 904 extends into the cavity 903;

an auxiliary spring 902 is arranged in the cavity 903 at one side of the guide rod 904, and one side of the auxiliary spring 902 is connected to one side in the cavity 903;

the cross sections of the plug 7 and the fixed seat 11 are circular, and the area of the plug 7 is slightly larger than that of the fixed seat 11;

specifically, as shown in fig. 1, 2 and 4, when the mechanism is used, the cross-sectional area of the plug 7 is slightly larger than that of the transmission shaft, and the outer side of the plug 7 is made of a soft material, so that the outer side of the plug 7 is deformed and attached to the inner wall of the transmission shaft, the guide rod 904 moves while the plug 7 is deformed and extends into the cavity 903, and the auxiliary spring 902 is deformed, so that the sealing performance of the device can be improved.

Example 3: the top ends of the loop bars 1 penetrate through the inside of the sliding chute 2, and the top ends of the loop bars 1 extend to the upper part of the top plate 16;

both sides of the connecting rod 5 are connected to the inner wall of the sliding chute 2, and the length of the connecting rod 5 is equal to the transverse length inside the fixed seat 11;

specifically, as shown in fig. 1, 2 and 3, when using this mechanism, push plectrum 4 for loop bar 1 removes, thereby drives slider 10 and removes in fixing base 11 is inside, makes fixed plate 6 extend to fixing base 11 is inside, and when loop bar 1 removed, damping spring 3 on the connecting rod 5 takes place deformation, inserts the device, loosens plectrum 4, and under damping spring 3's reaction force, fixed plate 6 outwards extends and supports the transmission shaft inner wall, can fix the device.

The working principle is as follows: when using this device, at first, the user presses plectrum 4, make loop bar 1 remove, thereby drive slider 10 and remove in fixing base 11 is inside, make fixed plate 6 to 11 inside extensions of fixing base, in the time of loop bar 1 removal, damping spring 3 on the connecting rod 5 takes place deformation, the staff can install the device on the transmission shaft, after the device finishes inserting, loosen plectrum 4, under damping spring 3's reaction force, fixed plate 6 outwards extends and supports the transmission shaft inner wall, can fix the device, prevent that the device from droing.

Afterwards, after the device is installed, the cross-sectional area of the plug 7 is slightly larger than that of the transmission shaft, meanwhile, the outer side of the plug 7 is made of soft materials, the outer side of the plug 7 can be deformed and attached to the inner wall of the transmission shaft, the guide rod 904 moves while the plug 7 deforms and extends towards the inside of the cavity 903, the auxiliary spring 902 deforms, and the sealing performance of the device can be improved.

Finally, the exhaust hole of the transmission shaft extends to the inside of the empty groove 15, meanwhile, the sealing ring 12 is attached to the outer wall of the transmission shaft, the exhaust hole exhausts air to enter the empty groove 15, air in the empty groove 15 can only move downwards, the air is exhausted from the outside from the filter screen 13, the filter screen 13 can prevent outside dust from flowing back to the exhaust hole, and the dustproof function is effectively achieved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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. Transmission shaft slip fork blanking cover dust keeper, including loop bar (1), jam (7) and connecting block (8), its characterized in that: the anti-theft device is characterized in that a sealing structure (9) is arranged inside the plug (7), a connecting block (8) is installed at the top end of the plug (7), a fixing seat (11) is installed at the top end of the connecting block (8), sliders (10) are arranged on two sides inside the fixing seat (11), a fixing plate (6) is arranged on one side of each slider (10), one side of each fixing plate (6) extends to one side of the corresponding fixing seat (11), sleeve rods (1) are arranged on the top ends of the sliders (10), a top plate (16) is installed on the top end of each fixing seat (11), a sliding groove (2) is formed in the middle position inside the top plate (16), connecting rods (5) penetrate through the sliding grooves (2) between one sides of the sleeve rods (1), damping springs (3) are sleeved on the outer walls of the connecting rods (5) between one sides of the sleeve rods (1), and shifting pieces (4) are arranged on one sides of the sleeve rods (1) above the top plate (16), the bottom end of the top plate (16) is provided with a dustproof structure;

dustproof construction includes curb plate (14), curb plate (14) are installed in the bottom of roof (16), and the bottom of curb plate (14) inner wall is provided with filter screen (13), one side that filter screen (13) are close to fixing base (11) is provided with sealing ring (12), dead slot (15) have been seted up to inboard roof (16) bottom of curb plate (14).

2. The drive shaft sliding fork cap dust keeper of claim 1, wherein: the top of loop bar (1) all runs through in the inside of spout (2), and the top of loop bar (1) all extends to the top of roof (16).

3. The drive shaft sliding fork cap dust keeper of claim 1, wherein: the both sides of connecting rod (5) all are connected in the inner wall of spout (2), and the length of connecting rod (5) equals with the inside horizontal length of fixing base (11).

4. The drive shaft sliding fork cap dust keeper of claim 1, wherein: the cross sections of the plug (7) and the fixing seat (11) are circular, and the area of the plug (7) is slightly larger than that of the fixing seat (11).

5. The drive shaft sliding fork cap dust keeper of claim 1, wherein: the sealing structure (9) comprises a groove (901), an auxiliary spring (902), a cavity (903) and a guide rod (904), wherein the groove (901) is formed in the top end of the plug (7), the guide rod (904) is uniformly arranged on the inner wall of the groove (901), the cavity (903) is uniformly formed in the plug (7) on the inner side of the groove (901), and one side of the guide rod (904) extends to the inside of the cavity (903).

6. The drive shaft sliding fork cap dust keeper of claim 5, wherein: the guide rod (904) is characterized in that an auxiliary spring (902) is arranged in the cavity (903) on one side of the guide rod (904), and one side of the auxiliary spring (902) is connected to one side in the cavity (903).