CN217306709U - Battery overload protection structure of electric tractor - Google Patents

Abstract

The utility model relates to an electric tractor technical field specifically discloses an electric tractor's battery overload protection structure, including thermal relay main part, first spacing frame, the spacing frame of second and spring telescopic link, a plurality of screw mouths have been seted up on the surface of thermal relay main part, the surface of thermal relay main part and the position department that is close to the screw mouth of seting up are equipped with the fixed screw for the wiring. Through first spacing frame, the spacing frame of second, the spring telescopic link, dead lever and first nose bar, the position structural design of second nose bar and third nose bar, can effectively utilize many nose bars to pass through the screw mouth and realize the restriction top of a plurality of fixed screws for the wiring and move the effect, make fixed screws for the wiring can remain the stationary state throughout, prevent in the use, because the tractor produces vibrations and leads to the easy not hard up problem existence of fixed screws for the wiring, can make this thermal relay main part can carry out long-time normal use.

Description

Battery overload protection structure of electric tractor

Technical Field

The utility model relates to an electric tractor technical field, concretely relates to electric tractor's battery overload protection structure.

Background

Electric traction car is driven by the motor, a transportation for the inside and outside bulk cargo in workshop, the transport of assembly line material, the interval materials handling of large-scale mill, the material often leaves in the trailer, need the tractor to solve the high-efficient transportation of different interval materials, electric traction car's main power derives from the energy supply of battery, for realizing the overload protection to the battery, need install corresponding thermorelay and realize the protective effect, however, because the tractor is carrying out the in-process of traveling, the phenomenon of vibrations can appear in the difficult chance, thereby lead to carrying out the phenomenon that very easily appears becoming flexible of screw that the restriction was fixed with the butt joint line in the thermorelay, be unfavorable for the long-time normal use to thermorelay, need frequent inspection the connection state to thermorelay and connecting wire, there is inconvenience.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an electric traction car's battery overload protection structure possesses the fixed screw that the butt joint was used and supports advantages such as restriction effect, has solved the tractor and is going produced vibrations and easily lead to the not hard up problem of fixed screw.

The battery overload protection structure of the electric tractor comprises a thermal relay main body, a first limit frame, a second limit frame and a spring telescopic rod, a plurality of screw holes are arranged on the surface of the main body of the thermal relay, fixing screws for wiring are arranged on the surface of the main body of the thermal relay and at the positions close to the screw holes, the first limit frame is fixedly connected to the front surface of the thermal relay main body, two first grooves and two second grooves are formed in the inner side of the first limit frame, the second limiting frames are positioned at the inner sides of the two first limiting frames, the spring telescopic rods are fixedly connected to the surfaces of the second limiting frames, a fixed rod is fixedly connected in the output rod of the spring telescopic rod, a plurality of second convex rods and third convex rods which protrude into the screw port are integrally formed on the surface of the fixed rod, and the surface of the spring telescopic rod output rod is fixedly connected with two first convex rods protruding into the second groove.

Through the design of the technical scheme, the multiple convex rods can be effectively utilized to realize the limiting jacking effect on the multiple fixing screws for wiring through the screw ports, so that the fixing screws for wiring can be always kept in a fixed state, the problem that the fixing screws for wiring are easy to loosen due to the fact that the tractor vibrates in the using process is prevented, and the thermal relay main body can be normally used for a long time.

As a further design of the utility model, the spacing frame surface integrated into one piece of second has two to be outstanding to the arch in the second recess, the positive fixedly connected with flange of spring telescopic link output lever.

Through the design of the technical scheme, the rotatable effect between the first limit frame and the second limit frame can be realized, the position adjustment of the spring telescopic rod, the fixed rod, the first convex rod and the second convex rod by workers can be more facilitated, and the disassembly and assembly operation between the fixed screw for the butt joint line and the thermal relay main body can be conveniently carried out.

As a further design of the utility model, the surface of the convex plate is carved with anti-skidding lines.

Through the design of the technical scheme, the pressing operation of the convex plate by workers is more favorably realized.

As a further design of the utility model, the surface of first spacing frame and the position fixedly connected with rubber circle of the position department that is close to the first recess of seting up, the inboard surface and the bellied surface of rubber circle closely laminate.

Through the design of the technical scheme, the friction between the protrusion and the first limiting frame can be increased, and the second limiting frame is prevented from being always in a loosening state when being in an outward turning state, so that the situation that the related operation of a worker is not facilitated is avoided.

As a further design of the utility model, the outside of the solid fixed cylinder of spring telescopic link is along annular fixedly connected with metal loop, two openings have been seted up on the surface of metal loop runs through, the fixed surface of first nose bar is connected with outstanding inserted bar to the opening.

Through the design of the technical scheme, the limiting effect on the output rod of the spring telescopic rod can be effectively realized, and the situation that the position of the first convex rod is moved to influence the use due to the random rotation of the output rod of the spring telescopic rod is prevented.

As a further design of the utility model, two leave the space between the spacing frame of second.

Through the design of the technical scheme, the situation that the two second limiting frames are too close to each other to cause the abnormal rotation is prevented from occurring.

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

1. the utility model discloses, through first spacing frame, the spacing frame of second, the spring telescopic link, dead lever and first nose bar, the position structural design of second nose bar and third nose bar, can effectively utilize many nose bars to pass through the screw mouth and realize pushing up the effect to the restriction of a plurality of fixed screws for the wiring, make the fixed screw for the wiring can remain the stationary state throughout, prevent in the use, because the tractor produces vibrations and leads to the easy not hard up problem existence of fixed screw for the wiring, can make this thermal relay main part can carry out long-time normal use.

2. The utility model discloses, through first recess, the structural design of arch and flange, can realize the rotatable effect between first spacing frame and the first spacing frame, more be favorable to the staff to the spring telescopic link, dead lever and first flange and second flange carry out the position adjustment, be convenient for carry out the dismouting operation between fixed screw and the thermal relay main part for the butt joint, through the position structural design of ferrule and inserted bar, can effectively realize the restriction effect to the output pole of spring telescopic link, prevent that spring telescopic link's output pole from rotating at will and leading to first flange to appear the condition that the position removal influences the use and appear.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

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

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;

fig. 3 is a schematic side view of the present invention.

In the figure: 1. a thermal relay body; 11. a fixing screw for wiring; 2. a first limit frame; 21. a first groove; 22. a rubber ring; 23. a second groove; 3. a second limit frame; 31. a protrusion; 4. a spring telescopic rod; 41. a first nose bar; 411. inserting a rod; 42. a convex plate; 43. a metal ring; 5. fixing the rod; 51. a second projecting rod; 52. and a third projecting rod.

Detailed Description

Reference will now be made in detail to the present embodiments of the invention, examples of which are illustrated in the accompanying drawings. It should be understood, however, that these physical details should not be taken to limit the invention. That is, in some embodiments of the invention, these physical details are not necessary. In addition, for simplicity, some conventional structures and components are shown in the drawings in a simplified schematic manner.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-3, the battery overload protection structure of an electric tractor of the present invention comprises a thermal relay main body 1, a first limit frame 2, a second limit frame 3 and a spring telescopic rod 4, wherein a plurality of screw holes are opened on the surface of the thermal relay main body 1, a fixing screw 11 for wiring is disposed on the surface of the thermal relay main body 1 and at a position close to the screw holes, the first limit frame 2 is fixedly connected to the front of the thermal relay main body 1, two first grooves 21 and second grooves 23 are opened on the inner side of the first limit frame 2, the second limit frame 3 is disposed on the inner side of the two first limit frames 2, the spring telescopic rod 4 is fixedly connected to the surface of the second limit frame 3, a fixing rod 5 is fixedly connected to the inner side of the output rod of the spring telescopic rod 4, a plurality of second protruding rods 51 and third protruding rods 52 protruding into the screw holes are integrally formed on the surface of the fixing rod 5, the fixed surface of 4 output levers of spring telescopic link is connected with two first nose bars 41 that are outstanding to in the second recess 23, through the design of above-mentioned technical scheme, can effectively utilize many nose bars to pass through the screw mouth and realize pushing up the effect to the restriction of a plurality of fixed screws 11 for the wiring, make fixed screws 11 for the wiring can remain the stationary state throughout, prevent in the use, because the tractor produces vibrations and leads to the easy not hard up problem of fixed screws 11 for the wiring to exist, can make this thermal relay main part 1 can carry out long-time normal use.

Referring to fig. 1-3, the surface of the second limiting frame 3 is integrally formed with two protrusions 31 protruding into the second groove 23, the front surface of the output rod of the spring telescopic rod 4 is fixedly connected with a convex plate 42, anti-slip lines are carved on the surface of the convex plate 42, and a space is left between the two second limiting frames 3, so that the rotatable effect between the first limiting frame 2 and the second limiting frame 3 can be realized, and the position adjustment of the spring telescopic rod 4, the fixing rod 5, the first convex rod 41 and the second convex rod 51 by a worker can be facilitated, the disassembly and assembly operation between the fixing screw 11 for wiring and the thermal relay main body 1 can be facilitated, the stable pressing operation of the convex plate 42 by the worker can be facilitated, and the occurrence of the condition that the two second limiting frames 3 are too close to cause abnormal outward rotation can be prevented.

Referring to fig. 1-2, the rubber ring 22 is fixedly connected to the surface of the first position-limiting frame 2 and the position close to the first groove 21, and the inner surface of the rubber ring 22 is closely attached to the surface of the protrusion 31, so that the friction between the protrusion 31 and the first position-limiting frame 2 can be increased, and the second position-limiting frame 3 is prevented from being in a loose state all the time when being in an outward turning state, which is not beneficial to the operation of a worker.

Please refer to fig. 1-2, the outer side of the fixed cylinder of the telescopic spring rod 4 is fixedly connected with a metal ring 43 along an annular shape, the surface of the metal ring 43 is penetrated and opened with two openings, the surface of the first protruding rod 41 is fixedly connected with an inserting rod 411 protruding into the openings, by the above technical scheme design, the limiting effect of the output rod of the telescopic spring rod 4 can be effectively realized, and the output rod of the telescopic spring rod 4 is prevented from rotating randomly to cause the position of the first protruding rod 41 to move and influence the use.

When the utility model is used, if the worker needs to splice the fixing screw 11 for wiring and the thermal relay main body 1, the worker can hold the two convex plates 42 to push the opposite surfaces, so that the convex plates 42 are utilized to drive the output rod of the telescopic spring rod 4 to move inwards, the output rod of the telescopic spring rod 4 drives the first convex rod 41, the fixed rod 5, the second convex rod 51 and the third convex rod 52 to move simultaneously, the second convex rod 51 and the third convex rod 52 move downwards in the screw hole, the first convex rod 41 is far away from the first limiting frame 2 through the second groove 23, then the telescopic spring rod 4 and the first convex rod 41 are driven to rotate by the convex plates 42 to press the front surfaces in the inner sides of the two first limiting frames 2, so that the screw holes are exposed to the outside, and finally, the splicing operation is carried out between the fixing screw 11 for wiring and the thermal relay main body 1, after the splicing and wiring are completed, the worker can turn over and reset the second limit frame 3, the spring telescopic rod 4, the fixing rod 5, the first convex rod 41, the second convex rod 51 and the third convex rod 52, so that the plurality of second convex rods 51 and the third convex rod 52 can realize the jacking limiting effect on the wiring fixing screw 11 through screw ports, and the wiring fixing screw 11 is prevented from being loosened and falling outwards under the influence of vibration.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (6)

1. The utility model provides an electric traction car's battery overload protection structure, includes thermal relay main part (1), first spacing frame (2), spacing frame of second (3) and spring telescopic link (4), its characterized in that: a plurality of screw holes are formed in the surface of the thermal relay main body (1), and fixing screws (11) for wiring are arranged on the surface of the thermal relay main body (1) and in positions close to the screw holes; the first limiting frame (2) is fixedly connected to the front face of the thermal relay main body (1), and two first grooves (21) and two second grooves (23) are formed in the inner side of the first limiting frame (2); the second limiting frames (3) are positioned at the inner sides of the two first limiting frames (2); spring telescopic link (4) fixed connection is in the surface of the spacing frame of second (3), fixedly connected with dead lever (5) in the output pole of spring telescopic link (4), the surperficial integrated into one piece of dead lever (5) has a plurality of second protruding poles (51) and third protruding pole (52) of outstanding to the screw mouth, the fixed surface of spring telescopic link (4) output pole is connected with two first protruding poles (41) of outstanding in second recess (23).

2. The battery overload protection structure of an electric tractor according to claim 1, wherein: the surface of the second limiting frame (3) is integrally formed with two bulges (31) protruding into the second groove (23), and the front surface of the output rod of the spring telescopic rod (4) is fixedly connected with a convex plate (42).

3. The battery overload protection structure of an electric tractor according to claim 2, wherein: the surface of the convex plate (42) is carved with anti-skid lines.

4. The battery overload protection structure of an electric tractor according to claim 1, wherein: the rubber ring (22) is fixedly connected to the surface of the first limiting frame (2) and the position close to the first groove (21), and the inner side surface of the rubber ring (22) is tightly attached to the surface of the protrusion (31).

5. The battery overload protection structure of an electric tractor according to claim 1, wherein: the outside of spring telescopic link (4) fixed cylinder is along annular fixedly connected with metal loop (43), two openings have been seted up in the surface of metal loop (43) run through, the fixed surface of first nose bar (41) is connected with outstanding inserted bar (411) to the opening.

6. The battery overload protection structure of an electric tractor according to claim 1, wherein: a space is reserved between the two second limiting frames (3).

Images