CN222372738U

CN222372738U - Foldable auxiliary seat, cab and mining dump truck

Info

Publication number: CN222372738U
Application number: CN202421208644.5U
Authority: CN
Inventors: 韩磊; 乔奎普; 王周; 杜宁; 冯勋壮
Original assignee: Xuzhou XCMG Mining Machinery Co Ltd
Current assignee: Xuzhou XCMG Mining Machinery Co Ltd
Priority date: 2024-05-30
Filing date: 2024-05-30
Publication date: 2025-01-21
Anticipated expiration: 2034-05-30

Abstract

The utility model discloses a foldable auxiliary seat, a cab and a mining dump truck, which comprises a supporting seat, a connecting seat and a fixing seat, wherein the supporting seat is provided with a connecting point V at the bottom and a sliding rail at the middle, two ends of the connecting seat are respectively provided with a connecting point I and a connecting point II, the connecting point I is connected with the connecting point V to form a first hinge point, the fixing seat is provided with a connecting point III at the middle and a connecting point IV at the tail, the connecting point III is connected with the connecting point II to form a second hinge point, the connecting point IV and the sliding rail are matched to form a sliding point, when the connecting point IV moves to the lower end point of the sliding rail, the connecting seat is locked to be in a horizontal state, when the connecting point IV moves upwards, the connecting seat is turned downwards to be gradually close to the supporting seat, and when the connecting point IV moves to the upper end point of the sliding rail, the connecting seat, the fixing seat and the supporting seat are folded together. The utility model has the characteristics of simple structure, space saving and convenient use.

Description

Foldable auxiliary seat, cab and mining dump truck

Technical Field

The utility model relates to a foldable auxiliary seat, and belongs to the technical field of dumpers.

Background

The mining dump truck has the advantages that the driving difficulty is high, the demand of guiding the vehicle is met, the seat arrangement of most rigid vehicles continues the concept of road heavy truck, the driver single seat is arranged at the front side of the cab, the rear side of the seat is paved in a large way, the design is only suitable for the condition that the space of the cab is large enough, and under the condition that the space of the inside of the cab is small, the auxiliary seat is arranged in a reasonable space-free manner in the rear row of the cab, and at the moment, a foldable auxiliary seat is needed, so that the space utilization rate is improved. At present, some seats have folding functions, but have poor body feeling, some products rely on the gravity of people to flatten the seat cushion, and the mine car has poor running condition, and when a human body leaves the seat cushion during jolting, the seat cushion can automatically bounce under the action of a rebound device, so that certain danger exists. And the common seat support materials are weak and are not suitable for mines.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a foldable auxiliary seat, which solves the problem of seat arrangement when the cab space is narrow.

The utility model is realized according to the following technical scheme:

in a first aspect, the present utility model provides a foldable sub-seat comprising a rigid member and a soft member mounted on the rigid member for direct contact with a human body, the rigid member comprising:

the support seat is provided with a connecting point V positioned at the bottom and a sliding rail positioned in the middle;

The connecting seat is provided with a connecting point at two ends respectively, namely a connecting point I and a connecting point II;

The fixing seat is provided with a connecting point III positioned in the middle and a connecting point IV positioned at the tail, the connecting point III is connected with the connecting point II to form a second hinge point, the connecting point IV is matched with the sliding rail to form a sliding point, when the connecting point IV moves to the lower end point of the sliding rail, the connecting seat is locked to be in a horizontal state, when the connecting point IV moves upwards, the connecting seat is turned downwards to gradually approach the supporting seat, and when the connecting point IV moves to the upper end point of the sliding rail, the connecting seat, the fixing seat and the supporting seat are folded together.

In some embodiments, the supporting seat is of a groove structure, and comprises a bottom plate and a pair of side plates, wherein the bottom plate is vertically arranged, the side plates are connected with the bottom plate, the bottom plate is used for being fixed on a pre-installation surface, a sliding rail is arranged in the middle of each of the two side plates, the sliding rail is of a J-shaped sliding groove, the sliding groove is aligned with a lower connecting hole on the fixed seat, the sliding groove and the lower connecting hole are connected through a connecting piece to form the sliding point, the bottoms of the two side plates are respectively provided with a lower connecting hole which is coaxially arranged, and the lower connecting holes on the side plates are aligned with the lower connecting holes on the connecting seat, and then are connected through the connecting piece to form the first hinge point.

In some embodiments, the two side plates are each turned outward by 90 degrees at the top of the side surface away from the bottom plate, and the backrest in the soft component is assembled on the turned edges at the two sides.

In some embodiments, the fixing seat is of a groove structure, and comprises a top plate with a bend and a pair of side plates opposite to each other connected with the top plate, wherein the top plate is provided with a seat cushion in the soft component, the middle parts of the two side plates are respectively provided with an upper connecting hole which is coaxially arranged, and after the upper connecting holes on the side plates are aligned with the upper connecting holes on the connecting seat, the upper connecting holes on the side plates are connected with the upper connecting holes on the connecting seat by using a connecting piece to form the second hinge point.

In some embodiments, the connecting seat is in a groove structure and comprises a bottom plate and a pair of side plates which are connected with the bottom plate and are opposite to each other, one end of each of the two side plates is provided with a lower connecting hole which is coaxially arranged, the lower connecting holes on the side plates are aligned with the lower connecting holes on the supporting seat and then connected by a connecting piece to form the first hinge point, the other end of each of the two side plates is provided with an upper connecting hole which is coaxially arranged, and the upper connecting holes on the side plates are aligned with the upper connecting holes on the fixing seat and then connected by the connecting piece to form the second hinge point.

In some embodiments, a tension component is installed between the supporting seat and the connecting seat, and the connecting seat automatically approaches to the supporting seat under the action of the tension component until the connecting seat is retracted in place in the process of retracting the fixing seat.

In some embodiments, the tension member is comprised of at least one tension spring mounted between the base plate opposite the support base and the connection base.

In some embodiments, the joint used for the first hinge point, the second hinge point and the sliding point is composed of:

The hollow pin shaft is used for penetrating into the two connecting holes aligned in the first hinge point or the second hinge point or penetrating into the connecting holes aligned in the sliding point and the sliding groove;

Two backing plates with round holes in the centers are respectively arranged at two end faces of the pin shaft, and the backing plates, the round holes and the pin shafts are coaxially arranged;

the bolts penetrate through the two backing plates and the pin shaft and then are fastened through the nuts, and the pin shaft is limited in the two connecting holes or the connecting holes and the sliding groove.

In some embodiments, bushings in interference fit with the first hinge point, the second hinge point and the sliding point are arranged in the connecting holes, and the pin shaft penetrates into the bushings and is in clearance fit with the bushings.

In some embodiments, at least one lightening hole for realizing light weight design is arranged on the supporting seat, the connecting seat and the fixing seat.

In a second aspect, the utility model provides a cab provided with a foldable auxiliary seat as described above.

In a third aspect, the utility model provides a mining dump truck, which is provided with the foldable auxiliary seat or the cab.

Based on the application of the technical scheme, the utility model has the following beneficial effects compared with the prior art:

The seat arrangement device solves the problem of seat arrangement when a cab space is narrow, a seat plate is retracted when the seat is not used, the space at the front side of the seat cushion can be convenient for personnel to pass through, the seat cushion can be directly pulled down and put down to be flat when the seat is used, the seat cushion can be used, sliding holes are arranged to be J-shaped, the intersection is smooth, a pin roll is convenient to move in a slideway, wear-resistant bushings are pre-installed at the round holes, structural abrasion during rotation of the pin roll is reduced, the whole structure design is reasonable, the stroke of a tension spring is short, the fixing effect is good, the tension spring can tighten the seat cushion at the rear side when the seat cushion is put flat for use, the seat cushion is prevented from shaking, weight-reducing holes are formed in main structural members, the stress of the tension spring is further optimized, and the service life of the structure is prolonged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.

In the drawings:

FIG. 1 is a schematic view of a sub-seat according to the present utility model when the seat cushion is unfolded;

FIG. 2 is an exploded view of the sub-seat according to the present utility model;

FIG. 3 is a schematic view of a support base according to the present utility model;

FIG. 4 is a schematic diagram of a second embodiment of a support base according to the present utility model;

FIG. 5 is a schematic view of a connector structure according to the present utility model;

FIG. 6 is a schematic view of a fixing base according to the present utility model;

FIG. 7 is a schematic view of a bushing according to the present utility model;

FIG. 8 is a schematic view of the structure of the sub-seat according to the present utility model when the seat cushion is retracted;

Fig. 9 is a schematic view of another embodiment of the sub-seat according to the present utility model.

The reference numerals comprise 1, a supporting seat, 2, a connecting seat, 3, a fixed seat, 4, a seat cushion, 5, a backrest, 11, a bolt, 30, a bolt, 41, a bolt, 61, a bolt, 12, a backing plate, 13, a first pin shaft, 31, a second pin shaft, 42, a third pin shaft, 14, a nut, 21, a bushing, 22, a tension spring, 1-5, a sliding groove, 1-5-1, an upper starting point, 1-5-2, a lower end point, 1-6, a lower connecting hole, 2-1, an upper connecting hole, 2-2, a lower connecting hole, 3-5, an upper connecting hole, 3-6, a lower connecting hole, 100-first hinge point, 200-second hinge point and 300-sliding point.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, or indirectly connected via an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in figures 1, 2 and 8, the foldable auxiliary seat comprises a rigid part and a soft part which is arranged on the rigid part and is used for being in direct contact with a human body, wherein the rigid part comprises a supporting seat 1, a connecting seat 2 and a fixing seat 3, the supporting seat 1 is provided with a connecting point V at the bottom and a sliding rail at the middle, two ends of the connecting seat 2 are respectively provided with a connecting point I and a connecting point II, the connecting point I is connected with the connecting point V to form a first hinge point 100, the fixing seat 3 is provided with a connecting point III at the middle and a connecting point IV at the tail, the connecting point III is connected with the connecting point II to form a second hinge point 200, the connecting point IV is matched with the sliding rail to form a sliding point 300, when the connecting point IV moves to the lower end point of the sliding rail, the connecting seat 2 is locked to be in a horizontal state, when the connecting point IV moves upwards, the connecting seat 2 is gradually close to the supporting seat 1 downwards, and when the connecting point IV moves to the upper end point of the sliding rail, the connecting seat 2 and the fixing seat 3 are folded together with the supporting seat 1.

The above-mentioned support base is further described below.

As shown in fig. 3 and 4, the supporting seat 1 is of a groove structure and comprises a vertically placed bottom plate and a pair of mutually opposite side plates connected with the bottom plate, the bottom plate is used for being fixed on a pre-installation surface, a slide rail which is mutually opposite is arranged in the middle of each of the two side plates, the slide rail is a J-shaped sliding groove 1-5, the sliding groove 1-5 is aligned with a lower connecting hole 3-6 on the fixed seat 3 and then forms a sliding point after being connected with the lower connecting hole 3-6 by a connecting piece, the bottoms of the two side plates are respectively provided with a lower connecting hole 1-6 which is coaxially arranged, and after the lower connecting holes 1-6 on the side plates are aligned with the lower connecting holes 2-2 on the connecting seat 2, the two side plates are connected by the connecting piece to form a first hinge point.

The further scheme is that the two side plates are outwards turned over by 90 degrees at the top of the side surface far away from the bottom plate, and the turned-over edges at the two sides are provided with a backrest 5 in the soft component through bolts.

The above-mentioned fixing base is further described below.

As shown in FIG. 6, the fixing base 3 has a slot structure, and comprises a top plate with a bend and a pair of side plates opposite to each other connected with the top plate, wherein the top plate is provided with a seat cushion 4 in a soft component through bolts 61, the middle parts of the two side plates are respectively provided with an upper connecting hole 3-5 coaxially arranged, and after the upper connecting holes 3-5 on the side plates are aligned with the upper connecting holes 2-1 on the connecting seat 2, the two side plates are connected by a connecting piece to form a second hinge point.

The above-mentioned connection base is further described below.

As shown in FIG. 5, the connecting seat 2 is of a groove structure and comprises a bottom plate and a pair of side plates which are connected with the bottom plate and are opposite to each other, one end of each of the two side plates is provided with a lower connecting hole 2-2 which is coaxially arranged, after the lower connecting holes 2-2 on the side plates are aligned with the lower connecting holes 1-6 on the supporting seat 1, the two side plates are connected by a connecting piece to form a first hinge point, the other end of each of the two side plates is provided with an upper connecting hole 2-1 which is coaxially arranged, and after the upper connecting holes 2-1 on the side plates are aligned with the upper connecting holes 3-5 on the fixing seat 3, the two side plates are connected by a connecting piece to form a second hinge point.

Further, as shown in fig. 8, a tension component is installed between the supporting seat 1 and the connecting seat 2, and the connecting seat 2 automatically approaches the supporting seat 1 under the action of the tension component until the connecting seat is retracted in the process of retracting the fixing seat 3.

The tension component is preferably composed of at least one tension spring 22, and a plurality of tension springs 22 are arranged between the opposite bottom plates of the supporting seat 1 and the connecting seat 2 in parallel. Specifically, hanging holes are formed in the bottom plates of the supporting seat 1 and the connecting seat 2, and two ends of the tension spring 22 are respectively hung in the hanging holes.

When the seat cushion 4 is retracted, the connecting seat 2 is pulled towards the supporting seat 1 under the action of the tension spring 22, the third pin shaft 42 is driven to move to the upper initial point 1-5-1 along the sliding groove 1-5 of the supporting seat 1, the distance between the seat cushion 4 and the supporting seat 1 is shortest, the seat cushion 4 is retracted, when the seat cushion 4 is needed to be used, the seat cushion 4 is pulled downwards, the third pin shaft 42 automatically moves to the lower end point 1-5-2 along the sliding groove 1-5, and the seat cushion 4 is leveled.

The above-described connector is further described below.

As shown in fig. 2, the connecting piece used for the first hinge point, the second hinge point and the sliding point consists of a hollow pin shaft, a base plate with a round hole in the center, a bolt and a nut.

The first pin shaft 13 penetrates into two lower connecting holes 1-6 and 2-2 aligned in the connecting seat 2 and the supporting seat 1, two base plates 12 are respectively arranged on two end faces of the first pin shaft 13 and are coaxially arranged among the two base plates and the two base plates, the bolts 11 penetrate through the two base plates 12 and the first pin shaft 13 and then are fastened through nuts 14, and the first pin shaft 13 is limited in the two lower connecting holes 1-6 and 2-2. It should be noted that, the first pin 13 cooperates with the lower connecting hole 1-6 to form a connection point V, and the first pin 13 cooperates with the lower connecting hole 2-2 to form a connection point I.

The second pin shaft 31 penetrates into two upper connecting holes 2-1 and 3-5 aligned in the connecting seat 2 and the fixed seat 3, two backing plates are respectively arranged at two end faces of the second pin shaft 31 and are coaxially arranged among the two backing plates and the two backing plates, the bolts 30 penetrate through the two backing plates and the second pin shaft 31 and then are fastened through nuts, and the second pin shaft 31 is limited in the two upper connecting holes 2-1 and 3-5. It should be noted that, the second pin 31 cooperates with the upper connecting hole 2-1 to form a connection point II, and the second pin 31 cooperates with the upper connecting hole 3-5 to form a connection point III.

The third pin shaft 42 penetrates into the lower connecting hole 3-6 and the sliding groove 1-5 which are aligned in the fixed seat 3 and the supporting seat 1, the two base plates are respectively arranged at two end surfaces of the third pin shaft 42 and are coaxially arranged, the bolt 41 penetrates through the two base plates and the third pin shaft 42 and then is fastened by nuts, and the third pin shaft 42 is limited in the lower connecting hole 3-6 and the sliding groove 1-5. The third pin 42 cooperates with the lower connecting hole 3-6 to form a connection point IV.

Further, as shown in fig. 2, the connecting holes at the first hinge point, the second hinge point and the sliding point are respectively provided with a bushing 21 in interference fit with the connecting holes, and the pin shaft penetrates into the bushing 21 and is in clearance fit with the bushing 21.

In a further scheme, as shown in fig. 2, 3, 5 and 6, at least one lightening hole for realizing light weight design is arranged on each of the supporting seat 1, the connecting seat 2 and the fixing seat 3.

The use process of the foldable auxiliary seat is as follows:

As shown in figures 1 and 8, the fixing seat 3, the connecting seat 2 and the supporting seat 1 are hinged together by connecting pieces, the long holes on the supporting seat 1, which are matched and hinged with the fixing seat 3, are J-shaped sliding grooves 1-5, the connecting pieces are pin shafts, backing plates 12, bolts and nuts 14, the backing plates 12 are respectively arranged at the two ends after the hollow pin shafts penetrate into the aligned connecting holes, the connection is completed at the two ends by the bolts and the nuts 14, the two ends of the pin shafts are slightly higher than the end surfaces of the seat cushion after the pin shafts are inserted, the seat cushion can freely rotate around the pin shafts after the bolts are compressed, then two groups of tension springs 22 are arranged between the supporting seat 1 and the connecting seat 2, the two ends of the tension springs are respectively fixed on the hanging holes, and finally the seat cushion 4 and the backrest 5 are fixed in place. When the automatic seat cushion is not in use, the seat cushion 4 is pulled to the obliquely lower side, and the seat cushion 4 can be automatically retracted under the action of the tension spring 22.

In consideration of mining conditions, the utility model also provides a second use embodiment, as shown in fig. 9, safety belts and locking devices can be additionally arranged on two sides of the supporting seat, so that mining applicability is further improved.

In conclusion, the utility model has the characteristics of simple structure, space saving and convenient use. The main structural parts are of groove-shaped structures, the structure is reliable, the processing is easy, weight reducing holes are formed in the bottom plate, the stress of the tension springs is optimized, the whole structure is light, the tension springs can reliably fix the seat plate, and the seat cushion can be directly pulled by the tension springs without other operations.

The utility model also provides a cab, and the foldable auxiliary seat is arranged on the cab.

The utility model also provides a mining dump truck provided with the foldable auxiliary seat or the cab.

In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features contained in other embodiments, but not others, combinations of features of different embodiments are equally meant to be within the scope of the utility model and form different embodiments. For example, in the above embodiments, those skilled in the art can use the above embodiments in combination according to known technical solutions and technical problems to be solved by the present utility model.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way, although the present utility model has been described in the preferred embodiments, it is not intended to limit the present utility model, and any person skilled in the art will not depart from the scope of the present utility model, when the technical content mentioned above is utilized to make a few changes or modifications to equivalent embodiments, but any simple modification, equivalent changes and modification made to the above embodiments according to the technical substance of the present utility model still fall within the scope of the present utility model.

Claims

1. The foldable auxiliary seat is characterized by comprising a rigid part and a soft part which is arranged on the rigid part and is used for being in direct contact with a human body, wherein the rigid part comprises:

2. A foldable sub-seat as claimed in claim 1, wherein:

The support seat is of a groove structure and comprises a bottom plate which is vertically arranged and a pair of side plates which are connected with the bottom plate and are opposite to each other, the bottom plate is used for being fixed on a pre-installation surface, and the middle parts of the two side plates are respectively provided with a slide rail which is opposite to each other;

The bottoms of the two side plates are respectively provided with a lower connecting hole which is coaxially arranged, and after the lower connecting holes on the side plates are aligned with the lower connecting holes on the connecting seat, the two side plates are connected by a connecting piece to form the first hinge point.

3. A foldable sub-seat as claimed in claim 2, wherein:

The two side plates are outwards turned over by 90 degrees at the top of the side surface far away from the bottom plate, and the turned-over edges at the two sides are provided with the backrest in the soft component.

4. A foldable sub-seat as claimed in claim 1, wherein:

The fixing seat is of a groove structure and comprises a bent top plate and a pair of side plates which are connected with the top plate and are opposite to each other;

the top plate is provided with a seat cushion in the soft component;

The middle parts of the two side plates are respectively provided with an upper connecting hole which is coaxially arranged, and after the upper connecting holes on the side plates are aligned with the upper connecting holes on the connecting seat, the two side plates are connected by a connecting piece to form the second hinge point.

5. A foldable sub-seat as claimed in claim 1, wherein:

The connecting seat is of a groove structure and comprises a bottom plate and a pair of side plates which are connected with the bottom plate and are opposite to each other, one ends of the two side plates are respectively provided with a lower connecting hole which is coaxially arranged, the lower connecting holes on the side plates are aligned with the lower connecting holes on the supporting seat and then connected with each other by using a connecting piece to form the first hinge point, the other ends of the two side plates are respectively provided with an upper connecting hole which is coaxially arranged, and the upper connecting holes on the side plates are aligned with the upper connecting holes on the fixing seat and then connected with each other by using the connecting piece to form the second hinge point.

6. A foldable sub-seat as claimed in claim 1, wherein:

A tension component is arranged between the supporting seat and the connecting seat, and the connecting seat automatically approaches the supporting seat under the action of the tension component until the connecting seat is retracted in place in the process of retracting the fixed seat;

The tension component consists of at least one tension spring, and the at least one tension spring is arranged between the base plates of the supporting seat and the connecting seat which are opposite.

7. A foldable sub-seat as claimed in claim 1, wherein the first hinge point, the second hinge point and the sliding point are formed by:

The bolts penetrate through the two backing plates and the pin shaft and then are fastened through the nuts, and the pin shaft is limited in the two connecting holes or the connecting holes and the sliding groove;

And the bush is arranged in the connecting holes at the first hinge point, the second hinge point and the sliding point in an interference fit mode, and the pin shaft penetrates into the bush and is in clearance fit with the bush.

8. A foldable sub-seat as claimed in claim 1, wherein:

and at least one lightening hole for realizing light weight design is formed in the supporting seat, the connecting seat and the fixing seat.

9. A cab, characterized in that:

a foldable sub-seat as claimed in any one of claims 1 to 8 is mounted.

10. The mining dump truck is characterized in that:

A foldable sub-seat as claimed in any one of claims 1 to 8 or a cab as claimed in claim 9 is mounted.