CN217028484U

CN217028484U - Vehicle door lock for agricultural tractor

Info

Publication number: CN217028484U
Application number: CN202122380568.9U
Authority: CN
Inventors: 王东辉; 刘杰; 王铭昊
Original assignee: Weifang Donghai Intelligent Equipment Co ltd
Current assignee: Weifang Donghai Intelligent Equipment Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-07-22
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a vehicle door lock for an agricultural tractor, which comprises a tractor body, wherein a fixed lock hole is formed in the tractor body, tractor vehicle doors are hinged to two sides of the tractor body, a rotary lock hole is formed in the bottom of each tractor vehicle door, a movable limiting hole is formed in the inner side of each tractor vehicle door, a movable lock rod is connected in the rotary lock hole in an inserting mode, and a buffering pressure spring is connected in the top of each movable lock rod in an inserting mode. According to the utility model, the tractor door is hinged on the two sides of the tractor body through the hinges, the movable lock rod is inserted and connected inside the rotary lock hole, meanwhile, the movable lock rod is limited through the movable limiting hole, and the movable lock rod is inserted and connected with the fixed lock holes on the two sides of the bottom surface inside the tractor body through the buffering pressure spring, so that the automatic door locking protection is conveniently carried out when the tractor door is in a static state, and the safety hazard caused by the fact that a worker drops under the tractor due to the shaking of the tractor when the tractor works is avoided.

Description

Vehicle door lock for agricultural tractor

Technical Field

The utility model relates to the technical field of agricultural equipment, in particular to a vehicle door lock for an agricultural tractor.

Background

The agricultural tractor is a transportation device for agricultural work, and the existing agricultural tractor can basically meet daily use requirements, but has some defects to be improved.

When an agricultural tractor is used for agricultural transportation work, a door and a door lock are not installed on the tractor, so that the risk that personnel on the tractor fall off the tractor due to shaking of the tractor exists during the transportation work of the tractor, and the problem needs to be solved by the door lock for the agricultural tractor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a vehicle door lock for an agricultural tractor, which aims to solve the problem that people on the vehicle are in risk of falling off the vehicle due to shaking of the tractor during transportation work of the tractor in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a door lock for agricultural tractor, includes the tractor body, fixed lockhole has all been seted up to the intermediate position on the inside bottom surface both sides of tractor body, one side of tractor body both sides side all articulates there is the tractor door, two rotatory lockhole has all been seted up to the intermediate position of tractor door bottom, two the spacing hole of activity has all been seted up to the intermediate position of tractor door medial surface, two the inside of rotatory lockhole all alternates and is connected with movable locking lever, two the top of movable locking lever all alternates and is connected with the buffering pressure spring, two the top of buffering pressure spring alternates respectively and connects the top at two rotatory lockhole inner walls.

Preferably, one end of each of the inner walls of the two movable limiting holes is connected with an inner locking pull rod in an inserting mode, and one end of each of the two inner locking pull rods is fixed to one side of the top of each of the two movable locking rods in an inserting mode.

Preferably, the other ends of the inner walls of the two movable limiting holes are respectively and alternately connected with an outer locking pull rod, and one end of each outer locking pull rod is respectively and alternately fixed on the other side of the top of each movable locking rod.

Preferably, two cylinder mounting groove and activity guide way, two have all been seted up to inside middle one side of tractor door the equal fixed mounting in top of cylinder mounting groove inner wall has last cylinder, two the removal end of going up the cylinder alternates respectively to be connected the one end at two zip swing joint seat avris, two the equal fixed mounting in intermediate position of zip swing joint seat terminal surface has zip swing joint axle, two the one end of zip swing joint axle alternates respectively to be connected the one end of two internal lock pull rods.

Preferably, two the equal fixed mounting in top of the inboard intermediate position of tractor door has the cylinder switch, go up the lower cylinder and pass through the inside power electric connection of cylinder switch and tractor body.

Preferably, the middle position of one end of the inner sides of the two tractor doors is fixedly provided with an inner handle, and the middle position of one end of the outer sides of the two tractor doors is fixedly provided with an outer handle.

(III) advantageous effects

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

1. this a door lock for agricultural tractor is provided with the tractor body, fixed lockhole, the tractor door, rotatory lockhole, the spacing hole of activity, the activity locking lever, the buffering pressure spring, through passing through the hinge with the tractor door and articulating the both sides side at the tractor body, alternate the inside of connecting at rotatory lockhole with the activity locking lever, carry out spacing work to the activity locking lever through the spacing hole of activity simultaneously, it alternates with the fixed lockhole on the inside bottom surface both sides of tractor body to make the activity locking lever through the buffering pressure spring and is connected, be convenient for the door carries out the automatic locking door protection when quiescent condition, avoid the tractor to drop under the car because of the tractor shake at the staff, thereby cause safety hazard.

2. This a door lock for agricultural tractor is provided with movable locking lever, rotatory lockhole, the activity guide way, upper and lower cylinder, zip swing joint seat, zip swing joint axle, the cylinder switch, go on activity from top to bottom through the upper and lower cylinder at cylinder switch control cylinder mounting groove inner wall top, it goes on activity from top to bottom to drive zip swing joint seat in the inside of activity guide way, make movable locking lever carry out activity from top to bottom through zip swing joint axle in the inside of rotatory lockhole, thereby the tractor of being convenient for opens the door at the staff's error and causes unexpected incident.

Drawings

FIG. 1 is a schematic view of the structure of the vehicle door lock for an agricultural tractor according to the present invention;

FIG. 2 is a schematic front view of the structure of the vehicle door lock for an agricultural tractor according to the present invention;

FIG. 3 is a schematic view of the door structure of the door lock for an agricultural tractor according to the present invention;

fig. 4 is a partial schematic view of the structure of the door lock a for an agricultural tractor according to the present invention.

In the figure: 1. a tractor body; 2. fixing the lock hole; 3. a tractor door; 4. rotating the lock hole; 5. a movable limiting hole; 6. a movable lock lever; 7. buffering a pressure spring; 8. an inner locking pull rod; 9. an outer lock lever; 10. a cylinder mounting groove; 11. a movable guide groove; 12. an upper cylinder and a lower cylinder; 13. a zipper movable connecting seat; 14. a zipper movable connecting shaft; 15. a cylinder switch; 16. an inner handle; 17. an external handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown:

a door lock for an agricultural tractor comprises a tractor body 1, wherein fixed lock holes 2 are respectively formed in the middle positions of two sides of the bottom surface inside the tractor body 1, tractor doors 3 are hinged to one side of two sides of the tractor body 1, rotary lock holes 4 are respectively formed in the middle positions of the bottoms of the two tractor doors 3, movable limiting holes 5 are respectively formed in the middle positions of the inner side surfaces of the two tractor doors 3, movable lock rods 6 are respectively inserted and connected inside the two rotary lock holes 4, buffer pressure springs 7 are respectively inserted and connected at the tops of the two movable lock rods 6, the tops of the two buffer pressure springs 7 are respectively inserted and connected at the tops of the inner walls of the two rotary lock holes 4, inner lock pull rods 8 are respectively inserted and connected at one ends of the inner walls of the two movable limiting holes 5, one ends of the two inner lock pull rods 8 are respectively inserted and fixed at one side of the tops of the two movable lock rods 6, and outer lock pull rods 9 are respectively inserted and connected at the other ends of the inner walls of the two movable limiting holes 5, one end of each of two outer locking pull rods 9 is respectively and fixedly inserted into the other side of the top of each of two movable locking rods 6, one side of the middle inside each of two tractor doors 3 is provided with a cylinder mounting groove 10 and a movable guide groove 11, the top of the inner wall of each of the two cylinder mounting grooves 10 is fixedly provided with an upper cylinder 12 and a lower cylinder 12, the moving ends of the two upper cylinders 12 and the lower cylinders 12 are respectively and fixedly inserted into one end of one side of each of two zipper movable connecting seats 13, the middle positions of one end surfaces of the two zipper movable connecting seats 13 are respectively and fixedly provided with a zipper movable connecting shaft 14, one ends of the two zipper movable connecting shafts 14 are respectively and fixedly inserted into one end of each of two inner locking pull rods 8, the top of the middle positions inside each of the two tractor doors 3 is respectively and fixedly provided with a cylinder switch 15, the upper cylinder 12 and the lower cylinder 12 are electrically connected with a power supply inside the tractor body 1 through the cylinder switches 15, and the middle positions of one ends of the inside each of the two tractor doors 3 are respectively and fixedly provided with an inner handle 16, the equal fixed mounting in intermediate position of 3 outside one ends in two tractor doors has outside handle 17, wherein interior lock pull rod 8 and outer lock pull rod 9 pass the both sides at movable locking lever 6 top of 5 fixed mounting in activity spacing holes respectively, wherein the operating condition of cylinder 12 carries out work according to cylinder switch 15 from top to bottom, cylinder 12 is in operating condition door locking about the cylinder switch 15 during operation, and interior lock pull rod 8 and outer lock pull rod 9 can't use the manual lock that stimulates, cylinder 12 is in the active condition about when cylinder switch 15 is in the outage state, and interior lock pull rod 8 and outer lock pull rod 9 can carry out the manual lock that stimulates.

The working principle is as follows: when the safety protection work of the agricultural tractor is required to be carried out by the vehicle door lock for the agricultural tractor, the tractor door 3 is hinged at two sides of the tractor body 1 through a hinge, the movable lock rod 6 is connected inside the rotary lock hole 4 in an inserting way, meanwhile, the movable lock rod 6 is limited by the movable limiting hole 5, the movable lock rod 6 is connected with the fixed lock holes 2 at two sides of the inner bottom surface of the tractor body 1 in an inserting way through the buffering pressure spring 7, the automatic door locking protection is conveniently carried out when the vehicle door is in a static state, the condition that the vehicle door cannot be opened when the tractor shakes to fall under the tractor when working so as to cause safety hazard is avoided, the movable lock rod 6 is manually pulled by pulling the inner lock pull rod 8 or the outer lock pull rod 9, the phenomenon that the vehicle door cannot be opened when the circuit condition occurs on the vehicle door is avoided, the upper and lower cylinders 12 at the top of the inner wall of the cylinder mounting groove 10 are controlled to move up and down through the cylinder switch 15, the zipper movable connecting seat 13 is driven to move up and down in the movable guide groove 11, so that the movable lock rod 6 can move up and down in the rotary lock hole 4 through the zipper movable connecting shaft 14, and a tractor can open a vehicle door by mistake when working, thereby causing an accident.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. The utility model provides a door lock for agricultural tractor, includes tractor body (1), its characterized in that: tractor body (1) inside bottom surface both sides intermediate position has all seted up fixed lockhole (2), tractor body (1) both sides side one side all articulates there is tractor door (3), two rotatory lockhole (4) have all been seted up, two to the intermediate position of tractor door (3) bottom the intermediate position of tractor door (3) medial surface has all seted up movable spacing hole (5), two the inside of rotatory lockhole (4) all alternates and is connected with movable locking lever (6), two the top of activity locking lever (6) all alternates and is connected with buffering pressure spring (7), two the top of buffering pressure spring (7) alternates respectively and connects the top at two rotatory lockhole (4) inner walls.

2. The vehicle door lock for an agricultural tractor according to claim 1, wherein: two the one end of activity spacing hole (5) inner wall all alternates and is connected with interior locking pull rod (8), two the one end of interior locking pull rod (8) alternates respectively and fixes the one side at two activity locking lever (6) tops.

3. The vehicle door lock for an agricultural tractor according to claim 1, wherein: two the other end of activity spacing hole (5) inner wall all alternates and is connected with outer lock pull rod (9), two the one end of outer lock pull rod (9) alternates respectively and fixes the opposite side at two activity locking lever (6) tops.

4. The vehicle door lock for an agricultural tractor according to claim 1, wherein: two cylinder mounting groove (10) and activity guide way (11), two have all been seted up to one side in the middle of tractor door (3) is inside cylinder mounting groove (10) and activity guide way (11), two the equal fixed mounting in top of cylinder mounting groove (10) inner wall has last lower cylinder (12), two the removal end of going up lower cylinder (12) alternates respectively and connects the one end at two zip fastener swing joint seat (13) avris, two the equal fixed mounting in intermediate position of zip fastener swing joint seat (13) a terminal surface has zip fastener swing joint axle (14), two the one end of zip fastener swing joint axle (14) alternates respectively and connects the one end in two interior lock pull rods (8).

5. The vehicle door lock for an agricultural tractor according to claim 4, wherein: two the equal fixed mounting in top of tractor door (3) inboard intermediate position has cylinder switch (15), go up lower cylinder (12) through cylinder switch (15) and tractor body (1) inside power electric connection.

6. The vehicle door lock for an agricultural tractor according to claim 1, wherein: two equal fixed mounting in intermediate position of tractor door (3) inboard one end has inside handle (16), two equal fixed mounting in intermediate position of tractor door (3) outside one end has outside handle (17).