CN220884318U - Windscreen wiper axle sleeve and connecting pipe fastener - Google Patents

Abstract

The utility model discloses a fastening device for a shaft sleeve and a connecting pipe of a windscreen wiper, which comprises the following technical scheme: the automobile rear backboard comprises a windscreen wiper connecting pipe and a shaft sleeve, wherein the shaft sleeve is arranged inside an automobile rear backboard, an inner hole is formed in the shaft sleeve, a transmission shaft is arranged on the inner surface of the inner hole through a bearing, a clamping seat is arranged at the tail end of the transmission shaft through a clamping groove, the windscreen wiper connecting pipe is arranged at the top of the clamping seat, a sealer is arranged at the gap position of the outer surface of the shaft sleeve, the outer surface of the sealer is provided with a sealing groove, a sealing boss A is arranged on the inner surface of the sealing groove, and a sealing boss B is arranged on the inner surface of the sealer. The utility model provides a wiper axle sleeve and connecting pipe fastener has solved current wiper axle sleeve's fixed establishment too simple, and drive mechanism is very easy not hard up under the long-time effect of swaying, influences the problem of the follow-up spatula effect of wiper, has improved the installation firmness of wiper, has guaranteed the spatula effect of wiper simultaneously.

Description

Windscreen wiper axle sleeve and connecting pipe fastener

Technical Field

The utility model relates to the technical field of automobile windscreen wipers, in particular to a device for fastening a windscreen wiper shaft sleeve and a connecting pipe.

Background

The windscreen wiper is an important accessory installed on a windscreen and has the functions of cleaning rain, snow and dust which obstruct the sight of the windscreen, has an important function for driving safety, and a motor on an electric windscreen wiper drives an output shaft through a worm wheel on an armature shaft and drives an output gear through an idler wheel and an idler wheel shaft, then the output shaft operates an output arm connected with a connecting rod of the windscreen wiper, when the motor rotates, the output arm and the connecting rod are driven to move in the front-back direction, and the electric windscreen wiper is driven by a motor and is generally composed of a wiper arm, a wiper blade assembly, a rubber wiper blade, a wiper blade support, a wiper blade holder, a wiper blade mandrel, a wiper bottom plate, a motor, a speed reducing mechanism, a driving rod system, a driving rod hinge, a wiper switch knob and the like.

Through retrieving, it is found that the wiper axle sleeve mechanism among the prior art is like the sealed axle sleeve structure of a back wiper that publication number CN207687351U discloses, through the design of annular protruding tooth for can form annular tooth's socket between two adjacent annular protruding teeth, smooth sealing washer's bottom is compressed tightly the part and can be embedded annular tooth's socket, sealing effect is better, when filling silica gel after the installation is accomplished moreover, filled white silica gel can flow into in annular tooth's socket when liquid state and fill sealing gap, the homogeneity is better, the leakproofness is good, waterproof effect has been improved, guarantee that motor etc. are not damaged, whole car quality has been improved.

The existing fixing mechanism of the shaft sleeve of the windscreen wiper is too simple, and the transmission mechanism is very easy to loosen under the long-time swinging effect to influence the subsequent scraping effect of the windscreen wiper.

Disclosure of utility model

The utility model aims to provide a device for fastening a shaft sleeve and a connecting pipe of a windscreen wiper, which has the advantage of stably scraping a rear window of an automobile, and solves the problem that a fixing mechanism of the shaft sleeve of the windscreen wiper is too simple, a transmission mechanism is very easy to loosen under the long-time swinging effect, and the subsequent scraping effect of the windscreen wiper is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a wiper axle sleeve and connecting pipe fastener, includes wiper connecting pipe and axle sleeve, wherein the axle sleeve is installed inside the car backplate, the inside hole that is equipped with of axle sleeve, the transmission shaft is installed through the bearing to the hole internal surface, the clamping seat is installed through the draw-in groove to the transmission shaft end, the wiper connecting pipe is installed at clamping seat top.

Preferably, a fixing bolt is arranged on one side of the clamping seat, and the fixing bolt is sleeved in the transmission shaft.

Preferably, a clamping table is arranged at the position, close to the clamping groove, of the clamping seat, and the clamping table is clamped in the clamping groove.

Preferably, the clamping seat bottom is close to the front and back surface and all is equipped with the locating hole, locating hole internally mounted has the locking bolt.

Preferably, a sealer is arranged on the outer surface of the shaft sleeve at the clearance position of the automobile back plate, a sealing groove is arranged on the outer surface of the sealer, a sealing boss A is arranged on the inner surface of the sealing groove, and a sealing boss B is arranged on the inner surface of the sealer.

Preferably, a limit table is arranged on one side, close to the clamping seat, of the outer surface of the shaft sleeve, and a ring sleeve is arranged on one side, away from the limit table, of the outer surface of the shaft sleeve through a sliding groove.

Preferably, the front surface and the rear surface of one side of the loop, which is far away from the automobile rear back plate, are provided with positioning tables, and positioning bolts are screwed on the outer surface of the loop at positions close to the positioning tables.

Preferably, an oil jacket is arranged in the inner hole at one side close to the bearing.

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

1. According to the utility model, the clamping table, the clamping groove, the locking bolt and the clamping seat are arranged for fixedly connecting the windscreen wiper, the clamping seat is arranged at the tail end of the transmission shaft through the clamping groove, the clamping table is arranged at the position, close to the clamping groove, of the clamping seat, and the clamping table is clamped in the clamping groove, so that the problems that the fixing mechanism of the traditional windscreen wiper shaft sleeve is too simple, the transmission mechanism is very easy to loosen under the long-time swinging effect, and the follow-up scraping effect of the windscreen wiper is influenced can be solved, the installation firmness of the windscreen wiper is improved, and meanwhile, the scraping effect of the windscreen wiper is ensured.

2. According to the utility model, the effect of extruding and sealing the sealer is achieved by arranging the positioning bolts, the positioning tables and the annular sleeve, the positioning tables are arranged on the front and rear surfaces of one side of the annular sleeve, which is far away from the automobile rear back plate, and the positioning bolts are arranged on the outer surface of the annular sleeve, which is close to the positioning tables, so that the problem that the sealing performance of the shaft sleeve joint is limited, the water leakage possibility exists at the joint, the damage to the wiper mechanism is extremely easy to cause, the sealing performance of the wiper is improved, and the damage probability of the wiper is reduced.

3. According to the utility model, the sealer, the sealing boss A and the sealing boss B are arranged, so that the sealing glue can conveniently permeate into the joint, the sealing groove is arranged on the outer surface of the sealer, the sealing boss A is arranged on the inner surface of the sealing groove, and the sealing boss B is arranged on the inner surface of the sealer, so that the problems that the sealing mechanism of the windscreen wiper is too simple, the sealing glue is difficult to permeate during installation and the sealing effect of the sealing mechanism is affected are solved, the sealing effect of the sealing mechanism is improved, and the service life of the windscreen wiper is prolonged.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is an enlarged schematic view of the structure A in FIG. 1;

FIG. 3 is a schematic side view of the present utility model;

FIG. 4 is an enlarged schematic view of the structure B in FIG. 3;

FIG. 5 is a schematic cross-sectional view of the present utility model;

FIG. 6 is a schematic cross-sectional view of the sealer of the utility model.

Reference numerals: 1. automobile back plate; 2. a wiper connecting pipe; 3. a sealer; 4. a limiting table; 5. a shaft sleeve; 6. a transmission shaft; 7. a clamping table; 8. a clamping groove; 9. a locking bolt; 10. positioning holes; 11. clamping base; 12. a fixing bolt; 13. a chute; 14. a ring sleeve; 15. positioning bolts; 16. a positioning table; 17. a bearing; 18. an oil jacket; 19. an inner bore; 20. sealing the boss A; 21. sealing grooves; 22. sealing boss B.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1-6, in order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a wiper axle sleeve and connecting pipe fastener, including wiper connecting pipe 2 and axle sleeve 5, axle sleeve 5 installs inside car backplate 1, axle sleeve 5 is inside to be equipped with hole 19, hole 19 internal surface installs transmission shaft 6 through bearing 17, transmission shaft 6 is connected with driving motor, clamping seat 11 is installed through draw-in groove 8 to transmission shaft 6 end, wiper connecting pipe 2 is installed at clamping seat 11 top, fixing bolt 12 is installed to clamping seat 11 one side, fixing bolt 12 cup joints in transmission shaft 6 inside, it is fixed to stabilize clamping seat 11, clamping seat 11 is close to draw-in groove 8 position department and installs clamping table 7, clamping table 7 cartridge is inside draw-in groove 8, all be equipped with locating hole 10 through clamping table 7 and draw-in groove 8 to clamping seat 11, locating hole 10 internally mounted has locking bolt 9, fix fixing bolt 12 through the locking bolt 9 that sets up, hole 19 inside is close to bearing 17 one side and installs oil jacket 18, seal the junction.

The working principle of the wiper shaft sleeve and connecting pipe fastening device based on the embodiment 1 is as follows: after the utility model is installed, the driving motor transmission shaft 6 is installed on the inner surface of the bearing 17, the clamping seat 11 is clamped at the tail end of the transmission shaft 6 and is clamped and fixed through the clamping groove 8, the fixing bolt 12 is sleeved at the tail end of the transmission shaft 6, the clamping seat 11 is fixed, the transmission shaft 6 can be driven to rotate through the driving motor, the clamping seat 11 is driven to rotate through the transmission shaft 6, the wiper connecting pipe 2 is driven to swing through the clamping seat 11, and therefore the wiper is driven to clean the automobile glass by scraping.

Example two

As shown in fig. 1-6, the fastening device for a shaft sleeve and a connecting pipe of a wiper according to the present utility model further includes: the sealing device 3 is installed in the clearance position department that the axle sleeve 5 surface is located automobile back backplate 1, the sealing device 3 surface is equipped with seal groove 21, seal groove 21 internal surface installs seal boss A20, sealing device 3 internal surface installs seal boss B22, make things convenient for the sealant infiltration, increase the sealed effect of junction, axle sleeve 5 surface is close to clamping seat 11 one side and installs spacing platform 4, axle sleeve 5 surface deviates from spacing platform 4 one side and passes through spout 13 and installs ring cover 14, extrude oil jacket 18 through the ring cover 14 that sets up, thereby the installation department seals, the locating platform 16 is all installed to ring cover 14 surface around deviating from automobile back backplate 1 one side, the locating bolt 15 has been screwed in to ring cover 14 surface position department that is close to locating platform 16, extrude locating platform 16 through the locating seat, thereby extrude ring cover 14.

In this embodiment, during installation, the sealer 3 is sleeved inside the automobile backboard 1 through the sealing groove 21, the shaft sleeve 5 is sleeved inside the sealer 3, the ring sleeve 14 is sleeved on the outer surface of the shaft sleeve 5 through the sliding groove 13, the positioning bolt 15 is screwed on the outer surface of the shaft sleeve 5, the positioning table 16 is extruded through the positioning bolt 15, the ring sleeve 14 is driven to move laterally, and the sealer 3 is extruded through the ring sleeve 14 and the limiting table 4, so that the joint is sealed.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims (8)

1. The utility model provides a wiper axle sleeve and connecting pipe fastener, includes wiper connecting pipe (2) and axle sleeve (5), its characterized in that: the automobile rear backboard is characterized in that the shaft sleeve (5) is arranged inside the automobile rear backboard (1), an inner hole (19) is formed in the shaft sleeve (5), the transmission shaft (6) is arranged on the inner surface of the inner hole (19) through a bearing (17), the clamping seat (11) is arranged at the tail end of the transmission shaft (6) through a clamping groove (8), and the wiper connecting pipe (2) is arranged at the top of the clamping seat (11).

2. The wiper bushing and connecting tube fastening device of claim 1, wherein: a fixing bolt (12) is arranged on one side of the clamping seat (11), and the fixing bolt (12) is sleeved inside the transmission shaft (6).

3. The wiper bushing and connecting tube fastening device of claim 1, wherein: the clamping seat (11) is provided with a clamping table (7) at a position close to the clamping groove (8), and the clamping table (7) is clamped in the clamping groove (8).

4. The wiper bushing and connecting tube fastening device of claim 1, wherein: positioning holes (10) are formed in the bottom of the clamping seat (11) close to the front surface and the rear surface, and locking bolts (9) are arranged in the positioning holes (10).

5. The wiper bushing and connecting tube fastening device of claim 1, wherein: the novel automobile rear backboard is characterized in that a sealer (3) is arranged at the gap position of the rear backboard (1) of the automobile on the outer surface of the shaft sleeve (5), a sealing groove (21) is formed in the outer surface of the sealer (3), a sealing boss A (20) is arranged on the inner surface of the sealing groove (21), and a sealing boss B (22) is arranged on the inner surface of the sealer (3).

6. The wiper bushing and connecting tube fastening device of claim 1, wherein: the outer surface of the shaft sleeve (5) is provided with a limit table (4) on one side close to the clamping seat (11), and one side, deviating from the limit table (4), of the outer surface of the shaft sleeve (5) is provided with a ring sleeve (14) through a sliding groove (13).

7. The device for fastening a wiper bushing to a connecting tube according to claim 6, wherein: the front surface and the rear surface of one side of the ring sleeve (14) deviating from the automobile rear backboard (1) are provided with positioning tables (16), and positioning bolts (15) are screwed at positions, close to the positioning tables (16), of the outer surface of the ring sleeve (14).

8. The wiper bushing and connecting tube fastening device of claim 1, wherein: an oil jacket (18) is arranged in the inner hole (19) and close to one side of the bearing (17).