Wiper arm attachment device
Technical field
The present invention relates to a kind of wiper arm attachment devices, belong to windscreen wiper technical field.
Background technology
Currently, in the wiper arm connection structure of the prior art, by the way that wiper arm to be connected on wiper arm fixator, then
Wiper arm fixator is connected on connecting seat again, this structure is although simple in structure, but in use, it is easy in rain
Dockingundocking between scraping arm fixator and connecting seat is unfavorable for scraping article wiper, is in addition also unfavorable for replacing wiper arm, using not
Just.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies of existing technologies, a kind of wiper arm attachment device is provided,
It can not only make wiper arm fixator and connecting seat be connected firmly, and avoid the occurrence of that wiper arm fixator and connecting seat be detached from shows
As, and can be conducive to replace wiper arm and wiper arm fixator.
The present invention solves above-mentioned technical problem and adopts the technical scheme that:A kind of wiper arm attachment device, it is for connecting
The connecting seat of wiper arm and windscreen wiper, the wiper arm have matrix, a rotational pin and a bending arm, institute are extended in described matrix
The packet mouth that a lower ending opening is formed between bending arm and described matrix is stated, it includes:
Bridgeware is connected, the connection bridgeware has the connecting seat positioned at the fixator interconnecting piece at top and positioned at bottom
Interconnecting piece, the connecting seat interconnecting piece is for being packed into the connecting seat;
Wiper arm fixator, the wiper arm fixator are inlaid on fixator interconnecting piece, to make the connection convert
Part and wiper arm fixator assembling are integral, and the entirety has the pin hole being arranged along its width direction, the entirety
It is provided with scarfing unit, the rotational pin is inserted into the pin hole and forms a hinged place, the wiper arm is rotated around hinged place, by windscreen wiper
Packet mouth on arm is caught in the scarfing unit.
The connection structure between a kind of wiper arm fixator and connection bridgeware is further provided, the wiper arm is fixed
Caulking groove is provided in device, and the wiper arm fixator is provided with card slot on the side wall for forming caulking groove, the fixator connects
It is provided with the top bump that extends to top and can be embedded in caulking groove in socket part, and is provided on the side wall of the top bump
Card column, when in top bump insertion caulking groove, the card column is caught in card slot.
A kind of concrete structure of card slot is further provided, so that wiper arm fixator and connection bridgeware are connected firmly,
The card column is cylindrical structure, and the card slot includes more than half circular hole and lead-in groove, and the lower end of the lead-in groove is opening-like, institute
The upper end for stating lead-in groove is connected with more than half circular hole, and the card column is imported by lead-in groove in more than half circular hole.
Further, it is in gradually taper up shape on the direction that the lead-in groove extends from open end to more than half circular hole.
Further, the pin hole is arranged on wiper arm fixator, and keeping away for evacuation pin hole is provided in the top bump
Allow slot.
Further provide the connection structure between a kind of connecting seat and connection bridgeware, the company of being provided in the connecting seat
Access slot, and the connecting seat is provided with the extension slot extended to end in the one end of link slot, and connecting seat is in link slot
Lock pillar is provided in the other end, the one end of the connecting seat interconnecting piece is provided with the connection card wing coordinated with extension slot, institute
The other end for stating connecting seat interconnecting piece is provided with the locked groove coordinated with lock pillar, when the connection bridgeware is placed in the link slot
When interior, the connection card wing is caught in the extension slot, and the lock pillar is embedded in the locked groove.
Further, the both sides of the connecting seat interconnecting piece in the width direction are provided with limited wall, the locked groove setting
On limited wall.
Further, the limit plush copper extended to bottom is additionally provided on the limited wall.
After using above-mentioned technical proposal, the present invention is connected by connecting the connecting seat of bridgeware and windscreen wiper, then by windscreen wiper
Arm fixator is connected with bridgeware connection, wiper arm fixator is connect with the wiper arm for needing to connect, wherein is turned by connection
It changes part and connects the wiper arm fixator and connecting seat, make to be connected firmly between the two, and can be connected on connection bridgeware
Other kinds of wiper arm fixator, wiper arm fixator can reconnect other kinds of wiper arm, windscreen wiper allow to obtain
It is general, and can be conducive to replace wiper arm and wiper arm fixator.
Description of the drawings
Fig. 1 is the connection stereogram of the wiper arm attachment device of the present invention;
Fig. 2 is the stereogram of the connection bridgeware of the present invention;
Fig. 3 is the stereogram of the wiper arm fixator of the present invention;
Fig. 4 is the stereogram of the wiper arm of the present invention.
Specific implementation mode
In order that the present invention can be more clearly and readily understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail.
As shown in Fig. 1 ~ 4, a kind of wiper arm attachment device, it is used to connect the connecting seat of wiper arm 10 and windscreen wiper, described
Wiper arm 10 has matrix 100, and a rotational pin 101 and a bending arm 102, the bending arm 102 are extended in described matrix 100
The packet mouth 103 of a lower ending opening is formed between described matrix 100, which is characterized in that it includes:
Bridgeware 1 is connected, the connection bridgeware 1 has the connection positioned at the fixator interconnecting piece at top and positioned at bottom
Seat interconnecting piece, the connecting seat interconnecting piece is for being packed into the connecting seat;
Wiper arm fixator 2, the wiper arm fixator 2 are inlaid on fixator interconnecting piece, to make the connection turn
It changes part 1 and the wiper arm fixator 2 assembles integral, the entirety has the pin hole 21 being arranged along its width direction, institute
It states and is integrally provided with scarfing unit 22, the rotational pin 101 is inserted into the pin hole 21 and forms a hinged place, described in the rotation of hinged place
Packet mouth 103 on wiper arm 10 is caught in the scarfing unit 22 by wiper arm 10.
As shown in figure 3, caulking groove 23 is provided in the wiper arm fixator 2, and the wiper arm fixator 2 is being formed
It is provided with card slot 24 on the side wall of caulking groove 23, is provided on the fixator interconnecting piece and extends to top and can be embedded in caulking groove 23
Top bump 11, and card column 12 is provided on the side wall of the top bump 11, when top bump 11 is embedded in caulking groove 23
When, the card column 12 is caught in card slot 24.
As shown in Figure 2,3, the card column 12 is cylindrical structure, and the card slot 24 includes more than half circular hole 241 and lead-in groove
242, the lower end of the lead-in groove 242 is opening-like, and the upper end of the lead-in groove 242 is connected with more than half circular hole 241, institute
Card column 12 is stated to be imported in more than half circular hole 241 by lead-in groove 242.
As shown in figure 3, being in gradually taper up shape on the direction that the lead-in groove 242 extends from open end to more than half circular hole 241.
As shown in Fig. 2, the pin hole 21 is arranged on wiper arm fixator 2, evacuation is provided in the top bump 11
The escape groove 111 of pin hole 21.
As shown in Fig. 2, link slot is provided in the connecting seat, and the connecting seat is arranged in the one end of link slot
The extension slot that oriented end extends, connecting seat are provided with lock pillar in the other end of link slot, the connecting seat interconnecting piece
One end is provided with the connection card wing 13 coordinated with extension slot, and the other end of the connecting seat interconnecting piece is provided with matches with lock pillar
The locked groove 14 of conjunction, when the connection bridgeware 1 is placed in the link slot, the connection card wing 13 is caught in the extension slot,
The lock pillar is embedded in the locked groove 14.
As shown in Fig. 2, the both sides of the connecting seat interconnecting piece in the width direction are provided with limited wall 15, the locked groove
14 are arranged on limited wall 15.
As shown in Fig. 2, being additionally provided with the limit plush copper 16 extended to bottom on the limited wall 15.
Working principle of the present invention is as follows:
The present invention by connect bridgeware 1 connect with the connecting seat of windscreen wiper, then by wiper arm fixator 2 with connect bridgeware
1 connection, wiper arm fixator 2 are connected with the wiper arm 10 for needing to connect, wherein connect the rain by connecting bridgeware 1
Scraping arm fixator 2 and connecting seat make to be connected firmly between the two, and can connect other kinds of rain on connection bridgeware 1
Scraping arm fixator 2, wiper arm fixator 2 can reconnect other kinds of wiper arm 10, so that windscreen wiper is obtained general, and
It can be conducive to replace wiper arm and wiper arm fixator.
Particular embodiments described above, pair present invention solves the technical problem that, technical solution and advantageous effect carry out
It is further described, it should be understood that the above is only a specific embodiment of the present invention, is not limited to this
Invention, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this hair
Within bright protection domain.