CN213388370U - Positioning and cutting equipment for machining automobile skylight glass - Google Patents

Abstract

The utility model relates to a glass production technical field especially relates to a sunroof glass processing is with location cutting equipment. The to-be-solved technical problem of the utility model is that the manual work is fixed with glass location, has increased operating personnel intensity of labour, and easily leads to the size cutting deviation, and glass's surface and cutting plane can have the glass sediment when cutting glass, can lead to workman's hand injury. In order to solve the problem in the prior art, the utility model provides a sunroof glass processing is with location cutting equipment, the utility model discloses by positioning mechanism, adjustable cutting mechanism, wash and remove bits mechanism and constitute, through mutually supporting of electric putter, knob, screw thread post and grip block to glass location, through making the work of negative pressure air exhauster with dust and glass piece through the air-collecting cover inhale the dirty tank in. The rapid and safe positioning can be realized, and the labor intensity of operators is reduced; prevent to cause the injury to the adversary when operating personnel picks up glass after the cutting operation.

Description

Positioning and cutting equipment for machining automobile skylight glass

Technical Field

The utility model relates to a glass production technical field specifically is a sunroof glass processing is with location cutting equipment.

Background

Glass is an amorphous inorganic non-metallic material, and is generally prepared by using various inorganic minerals (such as quartz sand, borax, boric acid, barite, barium carbonate, limestone, feldspar, soda ash and the like) as main raw materials and adding a small amount of auxiliary raw materials. The main components of the glass are silicon dioxide and other oxides, the chemical composition of common glass is Na2SiO3, CaSiO3, SiO2 or Na 2O. CaO.6SiO 2, etc., the main component is silicate complex salt, the glass is an amorphous solid with a random structure, the glass is widely applied to buildings, is used for isolating wind and transmitting light, belongs to a mixture, and is also mixed with certain metal oxides or salts to display color, tempered glass prepared by a physical or chemical method, and the like, and some transparent plastics are also called organic glass. In general, ordinary glass is subjected to a further deep processing step after being cut to a predetermined size, but the conventional glass cutting apparatus has many problems or defects:

the glass cutting machine has the advantages that the existing glass cutting machine is usually used for fixing glass in a manual mode, labor intensity of operators is increased, machining efficiency is low, size cutting deviation is prone to being caused in the cutting process, in addition, due to the fact that the moving distance of the cutting machine is limited, glass cannot be cut at one time, glass residues can exist on the surface and the cutting surface of the glass when the glass is cut, and operators can possibly cause hand injuries when the glass is carried.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sunroof glass processing is with location cutting equipment, through setting up positioning mechanism, adjustable cutting mechanism, washing chip removal mechanism to the manual work that proposes in solving above-mentioned background is fixed with the glass location, has increased operating personnel intensity of labour, and machining efficiency is low, and in cutting process, easily leads to the size cutting deviation, glass's surface and cutting plane can have the glass sediment when cutting glass, and operating personnel can lead to the injured problem of hand when carrying glass.

In order to achieve the above object, the utility model provides a following technical scheme: a positioning and cutting device for machining automobile skylight glass comprises a bottom box, hinges, wheels, a positioning mechanism, an adjustable cutting mechanism and a cleaning and scrap removing mechanism.

One side of under casing articulates through the hinge has the chamber door, wheel fixed mounting is in the bottom of under casing, the equal vertical fixed mounting in top face both sides of under casing has the support column, positioning mechanism fixed mounting is in the top face of under casing, adjustable cutting mechanism fixed mounting is at the top of support column, wash the inside of removing bits mechanism fixed mounting at the under casing.

The positioning mechanism comprises a supporting block, a supporting plate, a fixing box and an electric push rod, the supporting block is fixedly arranged in the middle of the top end face of the bottom box, the supporting plate is fixedly arranged at the top of the supporting block, the fixing boxes are fixedly arranged on two sides of the top of the supporting plate, the electric push rod is horizontally and fixedly arranged in the fixing box, the top end of the electric push rod penetrates through the fixing box and is fixedly connected with a push block, a hollow column is fixedly connected to one side of the push block, a spring is fixedly arranged in the hollow column, a supporting rod is fixedly connected to one end of the spring, a limiting block is arranged in the supporting rod in a penetrating mode, a Contraband-shaped plate is fixedly arranged at one end, far away from the hollow column, of the supporting rod, a threaded column is arranged in a penetrating mode through a vertical fixing thread of a top plate of the 35, the bottom plate of the Contraband shaped plate is horizontally fixed with a rotating shaft in a penetrating way, and the rotating shaft is movably sleeved with a rotating wheel.

The adjustable cutting mechanism comprises a first slide rail, a fixing frame, a second slide rail, a connecting rod and a threaded shaft, the first slide rail is fixedly arranged at the top of a supporting column, a first slide block is arranged inside the first slide rail in a sliding manner, the fixing frame is fixedly arranged at the top of the first slide block, a driving box is fixedly connected to one side of the fixing frame, a forward and reverse rotating motor is fixedly arranged inside the driving box, the output end of the forward and reverse rotating motor penetrates through the driving box and is fixedly connected with the threaded shaft, the threaded shaft is horizontally and rotatably arranged between two side plates which are parallel to each other, a rotating block is sleeved on the outer thread of the threaded shaft, the second slide rail is fixedly arranged at the bottom of the fixing frame, a second slide block is arranged inside the second slide rail in a sliding manner, the connecting rod is fixedly connected to the top of the second slide block, the rotating block is fixedly connected to one, the top fixed mounting of electric telescopic handle has the connecting block, the bottom fixed mounting of connecting block has the cutting head, one side fixed mounting of connecting block has infrared range finder.

The cleaning and scrap removing mechanism comprises a water tank, a waste tank, a partition plate and a water collecting hopper, wherein the water tank is fixedly arranged on one side of the bottom in a bottom box, a water pump is fixedly arranged in the water tank, the output end of the water pump is sleeved with a water pipe, one end of the water pipe vertically penetrates through the tops of the water tank and the bottom box and is fixedly connected with a spray head, the top plate of the bottom box is fixedly penetrated and provided with the water collecting hopper, a filter plate is arranged in the water collecting hopper, a filter screen is movably arranged in the filter plate, one end of the filter screen is fixedly connected with a pull rod, the pull rod penetrates through the bottom box and extends out of the bottom box, the bottom of the water collecting hopper is fixedly sleeved with a flow guide pipe, one end of the flow guide pipe penetrates through the water tank and extends into the water tank, the waste tank is fixedly, the fixed coupling of input of negative pressure air exhauster has the exhaust column, the vertical top and the fixedly connected with air-collecting cover that run through waste bin and under casing of one end of exhaust column, the output of negative pressure air exhauster runs through the baffle and extends to the waste tank top, waste tank movable mounting is in the bottom of waste bin.

Preferably, the number of the wheels is four, four the wheels are all universal wheels, and four the wheels are all fixedly provided with wheel locking calipers.

Preferably, the contact position of the water pipe and the water tank is fixedly provided with a rubber gasket, and the rubber gasket is a waterproof rubber gasket.

Preferably, the surface of the nozzle is sleeved with a dustproof sleeve, and the nozzle and the air collecting cover are positioned on the same horizontal plane.

Preferably, the number of the rotating shafts and the rotating wheels is a plurality, and the rotating wheels are rubber rotating wheels.

Preferably, the right end of the Contraband shaped plate and the top of the clamping block are both fixedly provided with rubber pads, and the surfaces of the rubber pads are both provided with anti-skid grains.

Preferably, an observation window is embedded in one side of the box door, and a handle is embedded in one side of the box door, which is far away from the observation window.

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

(1) the utility model comprises a positioning mechanism, the electric push rod, the hollow column, the support rod and the limit block are arranged to clamp and fix the glass with different widths, the knob, the threaded column and the clamping block can be adjusted according to the thickness of the glass, the glass is further positioned, and the glass can be quickly and safely placed into the positioning mechanism by arranging the rotating shaft and the rotating wheel, so that the labor intensity of operators is greatly reduced, and the processing efficiency is improved;

(2) the utility model discloses include adjustable cutting mechanism, wash and remove bits mechanism, through setting up first slide rail, the second slider, the connecting rod, the screw shaft, turning block and positive reverse motor can make the cutting head carry out the cutting of horizontal and vertical direction to glass, the cutting distance increases, operating personnel's working strength has been reduced, through setting up the negative pressure air exhauster, can absorb the piece that produces when cutting glass to the interior centralized processing of waste tank, avoid causing the injury to operating personnel, through setting up the water pump, water collecting hopper and filter screen can wash glass's surface, further clear away the piece on glass surface, and retrieve the water that will spray away through the water collecting hopper, the effectual water resource that has saved.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

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

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is an enlarged schematic structural view of the utility model at the position B in fig. 1;

FIG. 5 is a schematic cross-sectional view of the hollow column of the present invention;

fig. 6 is an enlarged schematic structural view of the utility model at C in fig. 1;

fig. 7 is a schematic view of the top view structure of the supporting pillar of the present invention.

In the figure: 1. a bottom box 101, a box door 102, a hinge 2, a wheel 3, a supporting block 4, a supporting plate 5, a fixed box 6, an electric push rod 7, a push block 8, a hollow column 801, a spring 9, a supporting rod 10, a limiting block 11, a first U-shaped plate 12, a knob 13, a threaded column 14, a clamping block 15, a rotating shaft 16, a rotating wheel 17, a supporting column 18, a first sliding rail 19, a first sliding block 20, a second U-shaped plate 21, a second sliding rail 22, a second sliding block 23, a connecting rod 24, a threaded shaft 2401, a rotating block 2402, an electric telescopic rod 2403, a connecting block 2404, an infrared distance measuring instrument 2405, a cutting head 25, a driving box 26, a positive and negative rotation motor 27, a water tank 28, a water pump 29, a water pipe 30, a spray head 31, a waste tank 32, a negative pressure exhaust fan 33, a partition plate 34, a waste tank, 35. an exhaust pipe 36, an air collecting cover 37, a water collecting hopper 38, a filter plate 39, a filter screen 40 and a guide pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides an embodiment: a positioning and cutting device for machining automobile skylight glass comprises a bottom box 1, hinges 102, wheels 2, a positioning mechanism, an adjustable cutting mechanism and a cleaning and scrap removing mechanism.

One side of under casing 1 articulates through hinge 102 has chamber door 101, wheel 2 fixed mounting is in the bottom of under casing 1, the equal vertical fixed mounting in top face both sides of under casing 1 has support column 17, positioning mechanism fixed mounting is in the top face of under casing 1, adjustable cutting mechanism fixed mounting is at the top of support column 17, wash the inside of removing bits mechanism fixed mounting at under casing 1.

The positioning mechanism comprises a supporting block 3, a supporting plate 4, a fixing box 5 and an electric push rod 6, wherein the supporting block 3 is fixedly arranged at the middle position of the top end face of the bottom box 1, the supporting plate 4 is fixedly arranged at the top of the supporting block 3, the fixing boxes 5 are fixedly arranged at two sides of the top of the supporting plate 4, the electric push rod 6 is horizontally and fixedly arranged in the fixing box 5, the top end of the electric push rod 6 penetrates through the fixing box 5 and is fixedly connected with a push block 7, one side of the push block 7 is fixedly connected with a hollow column 8, a spring 801 is fixedly arranged in the hollow column 8, one end of the spring 801 is fixedly connected with a supporting rod 9, the supporting rod 9 is penetratingly arranged with a limiting block 10, one end of the supporting rod 9, far away from the hollow column 8, is fixedly arranged with a 'Contraband' shaped plate 11, a threaded column, the top end fixedly connected with knob 12 of screw thread post 13, the other end fixed mounting of screw thread post 13 has grip block 14, the fixed pivot 15 that runs through of bottom plate level of "Contraband" shaped plate 11 is installed, runner 16 has been cup jointed in the activity on the pivot 15.

The adjustable cutting mechanism comprises a first slide rail 18, a fixed frame 20, a second slide rail 21, a connecting rod 23 and a threaded shaft 24, the first slide rail 18 is fixedly installed at the top of a supporting column 17, a first slide block 19 is slidably installed inside the first slide rail 18, the fixed frame 20 is fixedly installed at the top of the first slide block 19, a driving box 25 is fixedly connected to one side of the fixed frame 20, a forward and reverse motor 26 is fixedly installed inside the driving box 25, the output end of the forward and reverse motor 26 penetrates through the driving box 25 and is fixedly connected with the threaded shaft 24, the threaded shaft 24 is horizontally and rotatably installed between two side plates parallel to the threaded shaft 24, a rotating block 2401 is sleeved on the outer thread of the threaded shaft 24, the second slide rail 21 is fixedly installed at the bottom of the fixed frame 20, a second slide block 22 is slidably installed inside the second slide rail 21, and the connecting rod 23 is fixedly connected to the top of the second slide block, one end of the connecting rod 23 is fixedly connected with a rotating block 2401, the bottom of the rotating block 2401 is fixedly provided with an electric telescopic rod 2402, the top end of the electric telescopic rod 2402 is fixedly provided with a connecting block 2403, the bottom of the connecting block 2403 is fixedly provided with a cutting head 2405, and one side of the connecting block 2403 is fixedly provided with an infrared distance meter 2404.

The cleaning and scrap removing mechanism comprises a water tank 27, a waste tank 31, a waste tank 34, a partition plate 33 and a water collecting hopper 37, wherein the water tank 27 is fixedly arranged at one side of the bottom in the bottom box 1, a water pump 28 is fixedly arranged in the water tank 27, an output end of the water pump 28 is sleeved with a water pipe 29, one end of the water pipe 29 vertically penetrates through the tops of the water tank 27 and the bottom box 1 and is fixedly connected with a spray head 30, the top plate of the bottom box 1 is fixedly penetrated and provided with the water collecting hopper 37, a filter plate 38 is arranged in the water collecting hopper 37, a filter screen 39 is movably arranged in the filter plate 38, one end of the filter screen 39 is fixedly connected with a pull rod, the pull rod penetrates through the bottom box 1 and extends to the outside of the bottom box 1, a guide pipe 40 is fixedly sleeved at the bottom of the water collecting hopper 37, one end of the guide pipe 40 penetrates, horizontal fixed mounting has baffle 33 in the waste bin 31, the top fixed mounting of baffle 33 has negative pressure air exhauster 32, the input end of negative pressure air exhauster 32 is fixed to be cup jointed exhaust column 35, the vertical top and the fixedly connected with air-collecting cover 36 that run through waste bin 31 and under casing 1 of one end of exhaust column 35, the output of negative pressure air exhauster 32 runs through baffle 33 and extends to waste chute 34 top, waste chute 34 movable mounting is in the bottom of waste bin 31.

Specifically, the number of the wheels 2 is four, the wheels 2 are universal wheels, and the wheels 2 are all fixedly provided with wheel locking calipers.

Specifically, the contact position of the water pipe 29 and the water tank 27 is fixedly provided with a rubber gasket, and the rubber gasket is a waterproof rubber gasket.

Specifically, the surface of the nozzle 30 is sleeved with a dust-proof sleeve, and the nozzle 30 and the wind-collecting cover 36 are located on the same horizontal plane.

Specifically, the number of the rotating shafts 15 and the number of the rotating wheels 16 are both a plurality, and the rotating wheels 16 are rubber rotating wheels.

Specifically, "Contraband" shaped plate 11's the right-hand member and the equal fixed mounting in top of grip block 14 have the rubber pad, anti-skidding line has all been seted up on the surface of rubber pad, and the effectual frictional force that has increased rubber pad and glass for glass is more firm when by the centre gripping.

Specifically, embedded observation window of installing in one side of chamber door 101, the embedded handle of installing in one side that observation window was kept away from to chamber door 101, opens chamber door 101 through the handle, takes out waste material groove 34 and disposes the inside waste material of waste material groove 34, and when the water yield was not enough in water tank 27, can add water toward in the water tank 27.

The working principle is as follows: when the device is used, the push block 7 is pushed by the electric push rod 6 according to the size of glass to adjust the position, the glass is placed at the bottom of the first U-shaped plate 11 to be pushed forward, the glass is fed in by the rotation of the rotating shaft 15 through the rotating wheel 16, the threaded column 13 moves downwards through the rotating knob 12 to enable the clamping block 14 to reposition the glass, the switch of the driving box 25 is opened at the moment, the driving box 25 works to drive the rotating block 2401 to move forwards, the cutting head 2405 descends through the electric telescopic rod 2402 and measures the distance through the infrared distance measuring instrument 2404, the second U-shaped plate 20 is pushed to slide in the first sliding rail 18 through the first sliding block 19 to drive the second U-shaped plate 20 to move back and forth, the cutting length is increased, the switch of the negative pressure exhaust fan 32 is opened while cutting, dust and the glass piece that negative pressure air exhauster 32 work produced when will cutting pass through air-collecting cover 36, inhale and carry out centralized processing in the dirty silo 34, prevent after the cutting operation, the adversary caused the injury when operating personnel picks up glass, after the cutting operation, open the switch of water pump 28, the water pump 28 work is taken out the water in the water tank 27 and is carried to shower nozzle 30 blowout through water pipe 29, carry out the surface to glass and wash, further clear away the piece on glass surface, rivers flow into water catch bowl 37 and the filtration flow direction honeycomb duct 40 through filter screen 39, flow into in the water tank 27 at last, the realization is recycled to the water resource.

It is prior art to relate to circuits, electronic components and control modules, which are well within the skill of those in the art, and not to be reiterated, the present invention is not directed to improvements in software and methods.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 (7)

1. The utility model provides an automobile skylight glass processing is with location cutting equipment which characterized in that: comprises a bottom box (1), a hinge (102), wheels (2), a positioning mechanism, an adjustable cutting mechanism and a cleaning and scrap removing mechanism;

a box door (101) is hinged to one side of the bottom box (1) through a hinge (102), the wheels (2) are fixedly installed at the bottom of the bottom box (1), supporting columns (17) are vertically and fixedly installed on two sides of the top end face of the bottom box (1), the positioning mechanism is fixedly installed on the top end face of the bottom box (1), the adjustable cutting mechanism is fixedly installed at the tops of the supporting columns (17), and the cleaning and scrap removing mechanism is fixedly installed inside the bottom box (1);

positioning mechanism includes supporting shoe (3), backup pad (4), fixed case (5) and electric putter (6), supporting shoe (3) fixed mounting is in the top end face intermediate position of under casing (1), the top fixed mounting of supporting shoe (3) has backup pad (4), the top both sides fixed mounting of backup pad (4) has fixed case (5), the inside horizontal fixed mounting of fixed case (5) has electric putter (6), the top of electric putter (6) runs through fixed case (5) and fixedly connected with ejector pad (7), one side fixedly connected with hollow post (8) of ejector pad (7), the inside fixed mounting of hollow post (8) has spring (801), the one end fixedly connected with bracing piece (9) of spring (801), bracing piece (9) run through and install stopper (10), just one end fixed mounting that hollow post (8) was kept away from to bracing piece (9) has "Contraband" shaped plate (11) A threaded column (13) is installed on a top plate of the Contraband-shaped plate (11) in a penetrating mode through a vertical fixed thread, a knob (12) is fixedly connected to the top end of the threaded column (13), a clamping block (14) is fixedly installed at the other end of the threaded column (13), a rotating shaft (15) is horizontally and fixedly installed on a bottom plate of the Contraband-shaped plate (11) in a penetrating mode, and a rotating wheel (16) is movably sleeved on the rotating shaft (15);

the adjustable cutting mechanism comprises a first sliding rail (18), a fixing frame (20), a second sliding rail (21), a connecting rod (23) and a threaded shaft (24), the first sliding rail (18) is fixedly installed at the top of a supporting column (17), a first sliding block (19) is installed inside the first sliding rail (18) in a sliding mode, the fixing frame (20) is fixedly installed at the top of the first sliding block (19), a driving box (25) is fixedly connected to one side of the fixing frame (20), a forward and reverse motor (26) is fixedly installed inside the driving box (25), the output end of the forward and reverse motor (26) penetrates through the driving box (25) and is fixedly connected with the threaded shaft (24), the threaded shaft (24) is horizontally rotatably installed between two side plates, which are parallel to each other, of the threaded shaft (24), and a rotating block (2401) is sleeved on an external thread of the threaded shaft (24), a second sliding rail (21) is fixedly mounted at the bottom of the fixing frame (20), a second sliding block (22) is slidably mounted inside the second sliding rail (21), a connecting rod (23) is fixedly connected to the top of the second sliding block (22), one end of the connecting rod (23) is fixedly connected with a rotating block (2401), an electric telescopic rod (2402) is fixedly mounted at the bottom of the rotating block (2401), a connecting block (2403) is fixedly mounted at the top end of the electric telescopic rod (2402), a cutting head (2405) is fixedly mounted at the bottom of the connecting block (2403), and an infrared range finder (2404) is fixedly mounted at one side of the connecting block (2403);

the cleaning and scrap removing mechanism comprises a water tank (27), a waste tank (31), a waste tank (34), a partition plate (33) and a water collecting hopper (37), wherein the water tank (27) is fixedly arranged at one side of the bottom in the bottom box (1), a water pump (28) is fixedly arranged in the water tank (27), the output end of the water pump (28) is sleeved with a water pipe (29), one end of the water pipe (29) vertically penetrates through the tops of the water tank (27) and the bottom box (1) and is fixedly connected with a spray head (30), the top plate of the bottom box (1) is fixedly penetrated through with the water collecting hopper (37), a filter plate (38) is arranged in the water collecting hopper (37), a filter screen (39) is movably arranged in the filter plate (38), one end of the filter screen (39) is fixedly connected with a pull rod, the pull rod penetrates through the bottom box (1) and extends out of the bottom box (1), a guide pipe (40) is fixedly sleeved at, the one end of honeycomb duct (40) runs through inside water tank (27) extends to the water tank, waste bin (31) fixed mounting is at the top surface of under casing (1) bottom plate, horizontal fixed mounting has baffle (33) in waste bin (31), the top fixed mounting of baffle (33) has negative pressure air exhauster (32), the fixed cover of input of negative pressure air exhauster (32) has been cup jointed exhaust column (35), the vertical top and the fixedly connected with air-collecting cover (36) that run through waste bin (31) and under casing (1) of one end of exhaust column (35), the output of negative pressure air exhauster (32) runs through baffle (33) and extends to waste bin (34) top, waste bin (34) movable mounting is in the bottom of waste bin (31).

2. The positioning and cutting device for machining the automobile skylight glass as claimed in claim 1, wherein: the number of the wheels (2) is four, the wheels (2) are universal wheels, and the wheels (2) are all fixedly provided with wheel locking calipers.

3. The positioning and cutting device for machining the automobile skylight glass as claimed in claim 1, wherein: the contact department of water pipe (29) and water tank (27) all fixed mounting have the rubber packing ring, the rubber packing ring is waterproof rubber packing ring.

4. The positioning and cutting device for machining the automobile skylight glass as claimed in claim 1, wherein: the surface of the spray head (30) is sleeved with a dustproof sleeve, and the spray head (30) and the air collecting cover (36) are positioned on the same horizontal plane.

5. The positioning and cutting device for machining the automobile skylight glass as claimed in claim 1, wherein: the number of the rotating shafts (15) and the rotating wheels (16) is a plurality, and the rotating wheels (16) are rubber rotating wheels.

6. The positioning and cutting device for machining the automobile skylight glass as claimed in claim 1, wherein: the right end of the Contraband-shaped plate (11) and the top of the clamping block (14) are fixedly provided with rubber pads, and anti-skid grains are arranged on the surfaces of the rubber pads.

7. The positioning and cutting device for machining the automobile skylight glass as claimed in claim 1, wherein: an observation window is embedded in one side of the box door (101), and a handle is embedded in one side of the box door (101) far away from the observation window.

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