CN113896136A

CN113896136A - Wide-view forklift cab with simple structure

Info

Publication number: CN113896136A
Application number: CN202111157473.9A
Authority: CN
Inventors: 王志远; 王莹; 许亮; 阚红军
Original assignee: Hefei Shuoyuan Construction Machinery Parts Co ltd
Current assignee: Hefei Shuoyuan Construction Machinery Parts Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-01-07

Abstract

The invention provides a wide-view forklift cab with a simple structure, which comprises a front frame, a rear frame and a top frame, wherein the rear side of the front frame is provided with the rear frame, the front frame is arranged into two groups which are bilaterally symmetrical, the rear frame is arranged into two groups which are bilaterally symmetrical, a front window is arranged between the two groups of front frames, a vehicle door and a side window are arranged between the front frame and the rear frame, the top frame is arranged at the top ends of the front frame and the rear frame, and a ceiling and a perspective ceiling are arranged in a frame of the top frame. The invention is provided with the main body structures of the two groups of front frames, the two groups of rear frames and the one group of top frames, all the frameworks are fixed by bolts instead of welding, so that the cab has higher detachability, and the cab is provided with the front window, the rear window, the side window, the perspective ceiling, the glass window on the door and the plurality of groups of rearview mirrors, so that the cab has excellent vision, is convenient to operate in the use process, can quickly respond to dangers, and reduces potential safety hazards.

Description

Wide-view forklift cab with simple structure

Technical Field

The invention relates to the technical field of forklift cab structures, in particular to a wide-view forklift cab with a simple structure.

Background

Fork trucks are industrial handling vehicles, and refer to various wheeled handling vehicles that perform handling, stacking, and short-distance transport operations on piece pallet goods. The forklift plays an important role in a logistics system of an enterprise, is a main force in material handling equipment, and is widely applied to various departments in national economy such as stations, ports, airports, factories and warehouses.

The forklift displayed on the market has various brands, complex vehicle types and countless forklifts with different types, tonnages and architectures. The forklift is used as an industrial special vehicle, and in the driving process, higher safety criteria need to be observed, so that professional personnel need to be certified when the forklift is driven, but the forklift accident still exists due to the driving environment and the use working condition of the forklift, and the loss caused by the forklift is not negligible. The factors causing forklift accidents are numerous, the most prominent factor is that the visual field of a driver is limited, and the judgment of emergency conditions is not timely, so that disasters occur, and the visual field range in a cab is improved as much as possible on the premise that the cab structure meets safety requirements, so that potential safety hazards are reduced.

Disclosure of Invention

The present invention aims to overcome or at least partially address the above problems by providing a wide view forklift cab of simple construction.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the invention provides a wide-view forklift cab with a simple structure, which comprises a front frame, a rear frame, a top frame, an exhaust gas filter head and a rear window, wherein the rear side of the front frame is provided with the rear frame, the front frame is provided with two groups which are bilaterally symmetrical, the rear frame is provided with two groups which are bilaterally symmetrical, the two groups of front frames and the two groups of rear frames are bilaterally symmetrical, the front window is arranged between the two groups of front frames, a front windscreen wiper is arranged in the middle of the bottom of the front window, a rear view mirror is arranged on the front side of the front frame, the rear view mirror is installed on the front frame through a first installation frame, and the front side of the front frame is provided with a first handle; a vehicle door and a side window are arranged between the front frame and the rear frame; the top frame is arranged at the top ends of the front frame and the rear frame, the top frame is of a rectangular structure, a ceiling and a perspective ceiling are arranged in a frame of the top frame, and the perspective ceiling is arranged on the front side of the ceiling; the rear side of the rear frame is provided with an installation sleeve, the rear side of the installation sleeve is provided with a tail gas filtering head through a bending pipe, a second installation frame is arranged between the two groups of rear frames, the second installation frame is transversely arranged, a window frame is arranged between the rear side of the second installation frame and the top frame and between the two groups of rear frames, and a rear window is arranged in the window frame.

As a further scheme of the invention, the rear side of the side window is fixed on the front side of the rear frame, the side window comprises an upper group of flat glass windows and a lower group of flat glass windows, the front side of the side window is provided with a vehicle door through a plurality of groups of hinges, the middle position of the vehicle door is provided with a door handle, the lower half part of the vehicle door is provided with the flat glass windows, and the upper half part of the vehicle door is provided with a glass combined window capable of being pushed and pulled.

As a further scheme of the invention, two groups of support rods are arranged below the front side and the rear side of the perspective ceiling, a plurality of groups of bridging frames are arranged between the two front and rear groups of support rods, the front end and the rear end of each bridging frame are fixed on the inner sides of the support rods through angle irons and bolts, and the top of each bridging frame is fixedly connected with the lower surface of the perspective ceiling through angle irons and glass cement.

As a further scheme of the invention, a rear windscreen wiper is arranged on the outer side of the rear window, a driving mechanism is arranged on the inner side of the rear window, and the driving mechanism is rotationally connected with the root part of the rear windscreen wiper; the top end of the rear window is arranged on the window frame through a plurality of groups of hinges, a second handle is arranged at the top of the rear side of the rear window, a buckle is arranged on the window frame, and the second handle and the second buckle are matched for use; the rear window is characterized in that an installation rod is arranged on the rear side of the rear window, the left end and the right end of the installation rod are installed at the top of a second installation frame, the second installation frame is of a U-shaped frame structure, the second installation frame is arranged on the inner side of the rear window through glass cement, telescopic rods are installed at the two ends of the installation rod, and the bottom end of each telescopic rod is arranged on a window frame through an installation head.

As a further scheme of the invention, a first sealing strip is clamped on the inner side of the window frame, a circle of first mounting frame is arranged on the outer side of the rear window, a second sealing strip is arranged on the outer side of the first mounting frame, and the second sealing strip is matched with the first sealing strip for use.

As a further scheme of the invention, the mounting rod comprises outer sleeves, a rotating rod and a sliding sleeve, the outer sleeves are symmetrically arranged at left and right, mounting plates are arranged at the outer ends of the two outer sleeves, the outer sleeves are fixedly mounted on a second mounting frame through the mounting plates, and a plurality of guide strips are arranged on the outer cylindrical surface of each outer sleeve; the utility model discloses a fixing device for fixing a car, including outer sleeve, the face of cylinder of the outer sleeve is equipped with the guide bar, the face of cylinder of the outer sleeve is equipped with the rotary rod, the position that is close to the centre on the rotary rod face of cylinder is equipped with the first fixture block of round, is equipped with the slip cap in the outside cover of installation pole, and the spacing groove has been seted up to the both sides position of face of cylinder in the slip cap, and the spacing groove uses with the gib block cooperation, and the face of cylinder is close to the position in the centre in the slip cap is equipped with the second fixture block.

As a further scheme of the invention, two ends of the rotating rod are provided with square mounting holes, and one side of the top end of the telescopic rod is provided with a square mounting block.

As a further scheme of the invention, a fixing frame and a fixing ring are arranged at the top end of the mounting sleeve, an end cover is arranged above the tail gas filter head, an adjusting knob is arranged above the end cover, an inner sleeve is arranged inside the tail gas filter head, the inner sleeve is of a cylindrical structure with an opening at the bottom and a closed top end, a lower pressing ring is arranged at the bottom of the inner sleeve, a first mounting ring is arranged at the inner bottom of the tail gas filter head, threads are arranged on the outer cylindrical surface of the lower pressing ring, and threads are arranged on the inner cylindrical surface of the first mounting ring; the top end of the inner sleeve is provided with an upper top ring, a second mounting ring is arranged inside the end cover, the top end of the second mounting ring is connected with the adjusting knob through a connecting rod, the outer cylindrical surface of the second mounting ring is provided with threads, and the inner cylindrical surface of the upper top ring is provided with threads.

As a further scheme of the invention, a plurality of air guide holes are formed in the cylindrical surface of the inner sleeve, and a filtering plate is arranged on the outer side of the inner sleeve and is spirally wound on the outer side of the inner sleeve.

The invention provides a wide-view forklift cab with a simple structure, which has the beneficial effects that: the invention is provided with the main body structures of the two groups of front frames, the two groups of rear frames and the one group of top frames, all the frameworks are fixed by bolts instead of welding, so that the cab has higher detachability, and the cab is provided with the front window, the rear window, the side window, the perspective ceiling, the glass window on the door and the plurality of groups of rearview mirrors, so that the cab has excellent vision, is convenient to operate in the use process, can quickly respond to dangers, and reduces potential safety hazards.

The rear window is mainly controlled by the telescopic rod and the mounting rod, the control structure is simple, the opening and closing operation of the rear window is very simple and convenient, and the sealing requirement of the rear window when the rear window is closed is met by the arranged window frame, the first mounting frame and the matched first sealing strip and second sealing strip.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is a right front view of the three-dimensional structure of the present invention.

FIG. 2 is a front left side view of the three-dimensional structure of the present invention with the left door removed.

Fig. 3 is a rear view of the three-dimensional structure of the present invention.

FIG. 4 is a bottom perspective view of the present invention with the left door removed.

Fig. 5 is a bottom view of the see-through ceiling of the present invention.

Fig. 6 is a schematic view of a disassembled structure of the perspective ceiling of the present invention.

Fig. 7 is a structural rear view of a rear window in the present invention.

Fig. 8 is a front view of the structure of the rear window in the present invention.

FIG. 9 is a schematic view of the window frame and rear window of the present invention.

Fig. 10 is a schematic view of the structure of the mounting bar of the present invention.

Fig. 11 is a schematic view of a disassembled structure of the mounting rod of the present invention.

Fig. 12 is a disassembled schematic view of the installation structure of the tail gas filter head of the invention.

Fig. 13 is a sectional view showing the mounting structure of the exhaust filter head according to the present invention.

FIG. 14 is a partial enlarged view of the position A in the present invention.

FIG. 15 is a top view of the construction of the filter plate of the present invention.

In the figure: 1. a front frame; 2. a rear frame; 3. a front window; 4. a front wiper; 5. a rear view mirror; 6. a first mounting bracket; 7. a first handle; 8. a vehicle door; 9. a door handle; 10. a side window; 11. a top frame; 12. a ceiling; 13. a transparent ceiling; 131. a support bar; 132. a cross-over mount; 14. installing a sleeve; 141. a fixed mount; 142. a stationary ring; 15. bending the pipe; 16. tail gas filtering; 161. an end cap; 162. adjusting a knob; 163. an inner sleeve; 164. pressing a ring; 165. a first mounting ring; 166. an upper top ring; 167. a second mounting ring; 168. a filter plate; 17. a second mounting bracket; 171. a window frame; 172. a first seal strip; 18. a rear view window; 181. a second handle; 182. buckling; 183. a first mounting frame; 184. a second seal strip; 19. a rear wiper blade; 191. a drive mechanism; 20. a telescopic rod; 201. a mounting head; 202. a second mounting frame; 21. mounting a rod; 211. an outer sleeve; 212. mounting a plate; 213. a guide strip; 214. rotating the rod; 215. a first clamping block; 216. a sliding sleeve; 217. a limiting groove; 218. and a second clamping block.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1-4, the wide-view forklift cab with a simple structure provided by the embodiment of the invention comprises a front frame 1, a rear frame 2, a top frame 11, an exhaust gas filter 16 and a rear window 18, wherein the rear side of the front frame 1 is provided with the rear frame 2, the front frame 1 is provided with two groups which are bilaterally symmetrical, the rear frame 2 is provided with two groups which are bilaterally symmetrical, the two groups of front frames 1 and the two groups of rear frames 2 are bilaterally symmetrical, a front window 3 is arranged between the two groups of front frames 1, a front wiper 4 is arranged in the middle of the bottom of the front window 3, a rearview mirror 5 is arranged on the front side of the front frame 1, the rearview mirror 5 is mounted on the front frame 1 through a first mounting frame 6, the rearview mirror 5 can be mounted and dismounted and angled through the first mounting frame 6, a first handle 7 is arranged on the front side of the front frame 1, and the first handle 7 is used for assisting a driver in mounting the cab.

Preceding frame 1 and after-frame 2 between be equipped with door 8 and look sideways at window 10, look sideways at the rear side of window 10 and be fixed in the preceding side of after-frame 2, look sideways at window 10 and include upper and lower two sets of plane glass windows, look sideways at the front side of window 10 and have door 8 through multiunit hinge mounting, be equipped with door handle 9 in the intermediate position of door 8, be provided with plane glass window in the latter half of door 8, be provided with the glass combination window that can push-and-pull in the first half of door 8.

The top frame 11 is arranged at the top ends of the front frame 1 and the rear frame 2, the top frame 11 is of a rectangular structure, a ceiling 12 and a perspective ceiling 13 are arranged in a frame of the top frame 11, and the perspective ceiling 13 is arranged on the front side of the ceiling 12; the rear side of the rear frame 2 is provided with an installation sleeve 14, the rear side of the installation sleeve 14 is provided with a tail gas filtering head 16 through a bending pipe 15, a second installation frame 17 is arranged between the two groups of rear frames 2, the second installation frame 17 is transversely arranged, a window frame 171 is arranged between the rear side of the second installation frame 17 and the top frame 11 and between the two groups of rear frames 2, and a rear window 18 is arranged in the window frame 171.

As shown in fig. 5 and 6, two sets of support rods 131 are arranged below the front and rear sides of the see-through ceiling 13, a plurality of sets of bridging frames 132 are arranged between the two sets of support rods 131, the front and rear ends of the bridging frames 132 are fixed to the inner sides of the support rods 131 through angle irons and bolts, and the tops of the bridging frames 132 are fixedly connected with the lower surface of the see-through ceiling 13 through angle irons and glass cement.

As shown in fig. 7-11, a rear wiper blade 19 is arranged on the outer side of the rear window 18, a driving mechanism 191 is arranged on the inner side of the rear window 18, the driving mechanism 191 is rotatably connected with the root of the rear wiper blade 19, and the driving mechanism 191 can drive the rear wiper blade 19 to rotate in a reciprocating manner within the range of 0-90 degrees; the top end of the rear window 18 is mounted on the window frame 171 through a plurality of groups of hinges, a second handle 181 is arranged at the top position of the rear side of the rear window 18, a buckle 182 is mounted on the window frame 171, the second handle 181 and the second buckle 182 are matched for use, and when the rear window 18 is closed, the second handle 181 can limit the position of the second buckle 182; the inboard joint of window frame 171 has first sealing strip 172, is provided with the first installing frame 183 of round in the outside of rear window 18, and the outside of first installing frame 183 is equipped with second sealing strip 184, and second sealing strip 184 and first sealing strip 172 cooperate and use, and when rear window 18 was closed, second sealing strip 184 can be blocked in first sealing strip 172 for the gap is sealed between rear window 18 and the window frame 171, prevents the rainwater infiltration.

The rear window 18 is provided with a mounting rod 21 at the rear side thereof, the left and right ends of the mounting rod 21 are mounted on the top of a second mounting frame 202, the second mounting frame 202 is of a U-shaped frame structure, the second mounting frame 202 is arranged on the inner side of the rear window 18 through glass cement, the two ends of the mounting rod 21 are provided with telescopic rods 20, the bottom ends of the telescopic rods 20 are arranged on a window frame 171 through a mounting head 201, and the bottom ends of the telescopic rods 20 can rotate around the mounting position of the mounting head 201.

The mounting rod 21 comprises an outer sleeve 211, a rotating rod 214 and a sliding sleeve 216, the outer sleeve 211 is provided with two bilaterally symmetrical sleeves, the outer ends of the two outer sleeves 211 are provided with mounting plates 212, the outer sleeves 211 are fixedly mounted on the second mounting frame 202 through the mounting plates 212, and the outer cylindrical surface of the outer sleeve 211 is provided with a plurality of guide strips 213; the rotating rod 214 is inserted into the outer sleeve 211, a circle of first clamping block 215 is arranged on the cylindrical surface of the rotating rod 214 near the middle, a sliding sleeve 216 is sleeved on the outer side of the mounting rod 21, limiting grooves 217 are formed in the two sides of the inner cylindrical surface of the sliding sleeve 216, the limiting grooves 217 are matched with the guide strips 213 for use, the sliding sleeve 216 can stably slide left and right, a second clamping block 218 is arranged on the inner cylindrical surface of the sliding sleeve 216 near the middle, the second clamping block 218 can be matched with the first clamping block 215 for use, and when the second clamping block 218 is clamped with the first clamping block 215, the sliding sleeve 216 in the rotating rod 214 is limited and cannot rotate.

The both ends of rotary rod 214 have seted up square mounting hole, are provided with square installation piece in one side on the telescopic link 20 top, and the top of telescopic link 20 can insert the mounting hole of rotary rod 214 through this installation piece for there is spacing relation between rotary rod 214 and the telescopic link 20.

In the process of mounting the mounting rod 21 and the telescopic rod 20, firstly, the sliding sleeve 216 is sleeved on the rotating rod 214, then, two outer sleeves 211 are respectively sleeved at two ends of the rotating rod 214, so that the guide strips 213 on the outer sleeves 211 correspond to the limiting grooves 217 in the sliding sleeve 216, then, the outer sleeves 211 are mounted through the mounting plate 212, finally, the top end of the telescopic rod 20 is mounted through the matching of the mounting block and the mounting block, and the bottom end of the telescopic rod 20 is mounted through the mounting head 201; under normal conditions, the first fixture block 215 is clamped with the second fixture block 218, the limiting groove 217 in the sliding sleeve 216 is matched with the guide strip 213 on the outer sleeve 211, and because the outer sleeve 211 is fixed and can not rotate, the rotating rod 214 and the sliding sleeve 216 are both limited and can not rotate, when the rear view window 18 needs to be pushed away or closed, the sliding sleeve 216 is pushed left and right, so that the second fixture block 218 in the sliding sleeve 216 is separated from the first fixture block 215 on the rotating rod 214, at this moment, the limiting of the rotating rod 214 on the sliding sleeve 216 is released, the rotating rod 214 can rotate, meanwhile, the top end of the telescopic rod 20 can rotate, and along with the extension and retraction of the telescopic rod 20, the rear view window 18 can be unfolded or folded.

As shown in fig. 12 to 15, a fixing frame 141 and a fixing ring 142 are disposed at the top end of the mounting sleeve 14, the fixing ring 142 fastens and seals the top end of the folded elbow 15 and the bottom end of the exhaust gas filtering head 16, an end cover 161 is disposed above the exhaust gas filtering head 16, an adjusting knob 162 is disposed above the end cover 161, an inner sleeve 163 is disposed inside the exhaust gas filtering head 16, the inner sleeve 163 has a cylindrical structure with an open bottom and a closed top end, a lower pressing ring 164 is disposed at the bottom of the inner sleeve 163, a first mounting ring 165 is disposed at the inner bottom of the exhaust gas filtering head 16, threads are disposed on the outer cylindrical surface of the lower pressing ring 164, threads are disposed on the inner cylindrical surface of the first mounting ring 165, and the inner sleeve 163 is mounted and fixed by the threads of the first mounting ring 165 and the lower pressing ring 164.

An upper top ring 166 is arranged at the top end of the inner sleeve 163, a second mounting ring 167 is arranged inside the end cover 161, the top end of the second mounting ring 167 is connected with the adjusting knob 162 through a connecting rod, the second mounting ring 167 can be rotated through the adjusting knob 162, threads are arranged on the outer cylindrical surface of the second mounting ring 167, threads are arranged on the inner cylindrical surface of the upper top ring 166, the second mounting ring 167 can be fixed on the upper top ring 166 through threads, and the top of the inner sleeve 163 is limited and fixed; a plurality of air holes are formed in the cylindrical surface of the inner sleeve 163, a filter plate 168 is arranged on the outer side of the inner sleeve 163, the filter plate 168 is spirally wound on the outer side of the inner sleeve 163, exhaust gas led out by the inner sleeve 163 passes through a spiral passage formed by the filter plate 168, and in the process, the filter plate 168 can filter the exhaust gas.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A wide-view forklift cab with a simple structure is characterized by comprising a front frame (1), a rear frame (2), a top frame (11), a tail gas filter head (16) and a rear window (18), wherein the rear side of the front frame (1) is provided with the rear frame (2), the front frame (1) is arranged into two groups which are bilaterally symmetrical, the rear frame (2) is arranged into two groups which are bilaterally symmetrical, the two groups of the front frame (1) and the two groups of the rear frame (2) are bilaterally symmetrical, a front window (3) is arranged between the two groups of the front frame (1), a front windscreen wiper (4) is arranged in the middle of the bottom of the front window (3), a rear view mirror (5) is arranged on the front side of the front frame (1), the rear view mirror (5) is installed on the front frame (1) through a first installation frame (6), and a second handle (7) is arranged on the front side of the front frame (1); a vehicle door (8) and a side window (10) are arranged between the front frame (1) and the rear frame (2); the roof rack (11) is arranged at the top ends of the front rack (1) and the rear rack (2), the roof rack (11) is of a rectangular structure, a ceiling (12) and a perspective ceiling (13) are arranged in a frame of the roof rack (11), and the perspective ceiling (13) is arranged on the front side of the ceiling (12); the rear side of the rear frame (2) is provided with an installation sleeve (14), the rear side of the installation sleeve (14) is provided with a tail gas filtering head (16) through a bending pipe (15), a second installation frame (17) is arranged between the two groups of rear frames (2), the second installation frame (17) is transversely arranged, a window frame (171) is arranged between the rear side of the second installation frame (17) and the top frame (11) and between the two groups of rear frames (2), and a rear window (18) is arranged in the window frame (171).

2. The wide-field forklift cab with a simple structure as claimed in claim 1, wherein the rear side of the side window (10) is fixed on the front side of the rear frame (2), the side window (10) comprises an upper group of flat glass windows and a lower group of flat glass windows, the front side of the side window (10) is provided with the vehicle door (8) through a plurality of groups of hinges, a door handle (9) is arranged in the middle of the vehicle door (8), the lower half of the vehicle door (8) is provided with the flat glass windows, and the upper half of the vehicle door (8) is provided with a push-pull glass combination window.

3. The wide-view forklift cab with a simple structure as claimed in claim 1, wherein two sets of support rods (131) are arranged below the front and rear sides of the see-through ceiling (13), a plurality of sets of bridging frames (132) are arranged between the two sets of support rods (131), the front and rear ends of the bridging frames (132) are fixed on the inner sides of the support rods (131) through angle irons and bolts, and the tops of the bridging frames (132) are fixedly connected with the lower surface of the see-through ceiling (13) through angle irons and glass cement.

4. The wide-view forklift cab with a simple structure as claimed in claim 1, wherein a rear wiper (19) is arranged on the outer side of the rear window (18), a driving mechanism (191) is arranged on the inner side of the rear window (18), and the driving mechanism (191) is rotatably connected with the root of the rear wiper (19); the top end of the rear window (18) is arranged on the window frame (171) through a plurality of groups of hinges, a second handle (181) is arranged at the top of the rear side of the rear window (18), a buckle (182) is arranged on the window frame (171), and the second handle (181) and the second buckle (182) are matched for use; the rear window is characterized in that an installation rod (21) is arranged on the rear side of the rear window (18), the left end and the right end of the installation rod (21) are installed at the top of a second installation frame (202), the second installation frame (202) is of a U-shaped frame structure, the second installation frame (202) is arranged on the inner side of the rear window (18) through glass cement bonding, telescopic rods (20) are installed at the two ends of the installation rod (21), and the bottom ends of the telescopic rods (20) are arranged on a window frame (171) through installation heads (201).

5. The wide-view forklift cab with the simple structure as claimed in claim 1, wherein a first sealing strip (172) is clamped on the inner side of the window frame (171), a circle of first mounting frame (183) is arranged on the outer side of the rear window (18), a second sealing strip (184) is arranged on the outer side of the first mounting frame (183), and the second sealing strip (184) is matched with the first sealing strip (172) for use.

6. The wide-view forklift cab with a simple structure according to claim 4, wherein the mounting rod (21) comprises an outer sleeve (211), a rotating rod (214) and a sliding sleeve (216), the outer sleeve (211) is provided with two bilaterally symmetrical outer sleeves, the outer ends of the two outer sleeves (211) are provided with mounting plates (212), the outer sleeves (211) are fixedly mounted on the second mounting frame (202) through the mounting plates (212), and a plurality of guide bars (213) are arranged on the outer cylindrical surface of each outer sleeve (211); the outer sleeve (211) is internally provided with a rotating rod (214) in an inserting manner, a circle of first clamping block (215) is arranged at a position, close to the middle, on the cylindrical surface of the rotating rod (214), a sliding sleeve (216) is sleeved on the outer side of the mounting rod (21), limiting grooves (217) are formed in positions, on two sides of the inner cylindrical surface of the sliding sleeve (216), and are matched with guide strips (213), and a second clamping block (218) is arranged at a position, close to the middle, of the inner cylindrical surface of the sliding sleeve (216).

7. The wide-field forklift cab with a simple structure as claimed in claim 6, wherein the two ends of the rotating rod (214) are provided with square mounting holes, and one side of the top end of the telescopic rod (20) is provided with a square mounting block.

8. The wide-view forklift cab with a simple structure is characterized in that a fixing frame (141) and a fixing ring (142) are arranged at the top end of the mounting sleeve (14), an end cover (161) is arranged above the exhaust gas filtering head (16), an adjusting knob (162) is arranged above the end cover (161), an inner sleeve (163) is arranged inside the exhaust gas filtering head (16), the inner sleeve (163) is of a cylindrical structure with an open bottom and a closed top end, a lower pressing ring (164) is arranged at the bottom of the inner sleeve (163), a first mounting ring (165) is arranged at the inner bottom of the exhaust gas filtering head (16), threads are arranged on the outer cylindrical surface of the lower pressing ring (164), and threads are arranged on the inner cylindrical surface of the first mounting ring (165); the top end of the inner sleeve (163) is provided with an upper top ring (166), the inside of the end cover (161) is provided with a second mounting ring (167), the top end of the second mounting ring (167) is connected with the adjusting knob (162) through a connecting rod, the outer cylindrical surface of the second mounting ring (167) is provided with threads, and the inner cylindrical surface of the upper top ring (166) is provided with threads.

9. The wide-field forklift cab with a simple structure as claimed in claim 8, wherein a plurality of air vents are formed in the cylindrical surface of the inner sleeve (163), a filter plate (168) is arranged on the outer side of the inner sleeve (163), and the filter plate (168) is spirally wound on the outer side of the inner sleeve (163).