CN212802787U - Lifting expansion tent - Google Patents

Abstract

The utility model discloses a lifting expanding tent, which comprises an outer cover tarpaulin, a framework and a matching device, wherein the framework comprises a bottom frame, a top frame, a front upright post and a rear upright post between the bottom frame and the top frame, a front stabilizing rod, a rear stabilizing rod, a push-pull bed board, a push-pull upper board, a linkage rod, an eversion bed board, an eversion upper board, a pull rod and a support rod, the bottom frame comprises a front frame, a U-shaped frame, a rear frame, a motor, legs, a frame and a rear lower beam, the top frame comprises a front upper beam, a rear upper beam, a front top beam and a rear top beam, the matching device comprises double slideways and a transmission mechanism, the U-shaped frame is connected in the middle of the front frame, two parallel double slideways are arranged between the front frame and the rear frame, the transmission mechanism is arranged in the rear frame, the motor is arranged on one side of the rear frame, the lower ends of two pairs of upright, the lifting device can freely rise and fall, can be operated mechanically or manually, has a simple and stable structure, has a spacious internal space after being opened, can sleep and sit, and has comprehensive functions.

Description

Lifting expansion tent

Technical Field

The utility model relates to a tent, an extend tent goes up and down specifically to say so.

Background

The portable folding tent used generally, particularly the vehicle-mounted tent, is limited by the volume and the weight, is generally multi-folded, has a complex framework structure, is easy to damage, has narrow and small internal space and single function, is uncomfortable for people inside, is inconvenient to pack and open, and can be limited in length and width if being applied to a pickup type which is frequently used outdoors, so that the defects are more obvious.

Disclosure of Invention

The utility model discloses it is narrow and small to aim at for solving portable foldable tent especially on-vehicle tent inner space, and the defect that wastes time and energy is opened, is packed up to the function singleness, provides one kind and can set up the lift extension tent on the carriage.

The purpose of the utility model is realized through the following technical scheme:

the utility model relates to a lifting expanding tent, which comprises an outer cover tarpaulin, a framework and a matching device, and is characterized in that the framework comprises a bottom frame, a top frame, a front upright post and a rear upright post between the two, a front stabilizing bar, a rear stabilizing bar, a push-pull bed board, a push-pull upper board, a linkage rod, an eversion bed board, an eversion upper board, a pull rod and a support rod, wherein the bottom frame comprises a front frame, a U-shaped frame, a rear frame, a motor, legs, a frame and a rear lower beam, the top frame comprises a front upper beam, a rear upper beam, a front top beam and a rear top beam, the matching device comprises double slideways and a transmission mechanism, the U-shaped frame is connected in the middle of the front frame, two parallel double slideways are arranged between the front frame and the rear frame, the transmission mechanism is arranged in the rear frame, the motor is arranged on one side of the rear upper beam, a pair of front upright posts, the front and rear stabilizing bars are respectively hinged between the two ends of the front upper beam and the U-shaped frame and between the rear lower beam and the rear upper beam, the two ends of the front frame and the rear frame are respectively provided with a push-pull bed plate or an outward-turning bed plate, one end of the front upper beam and one end of the rear upper beam are provided with a push-pull upper plate corresponding to the push-pull bed plate, a linkage rod is hinged between the push-pull bed plate and the push-pull upper plate, one end of the front upper beam and one end of the rear upper beam are provided with an outward-turning upper plate corresponding to the outward-turning bed plate, the two sides of the outward.

The upright post, the stabilizer bar and the linkage rod are hinged.

All be provided with two track grooves in each two slides, every track inslot all is provided with a lead screw and installs the slider of four pulleys, and the lead screw passes from the screw in the middle of the slider, and one end of lead screw stretches into in the preceding frame and installs the bevel wheel, and the top that the slider exposes the track groove is articulated mutually with preceding, the lower extreme of back stand, and the lower extreme of front stand is located the junction of track groove and preceding frame when this tent is rising, and the lower extreme of back stand is located the junction of track groove and back frame.

And a dustproof cover with two oblique ends is arranged on each double slide way through a spring hinge.

Furthermore, the pulley adopts a polyurethane bearing with good sliding performance and no obvious noise.

The transmission mechanism comprises a transmission shaft, a clutch umbrella wheel set and transmission umbrella wheels, the clutch umbrella wheel set and two pairs of transmission umbrella wheels are mounted on the transmission shaft, and the transmission umbrella wheels are respectively meshed with the umbrella wheels on the screw head.

The clutch umbrella wheel set comprises a clutch umbrella wheel, a hollow shaft, a pin, an ejector rod and a reset spring, wherein the clutch umbrella wheel is sleeved on the hollow shaft, the axial position of the clutch umbrella wheel is fixed through a shaft retainer ring, the hollow shaft is in butt joint with a transmission shaft, the clutch umbrella wheel is meshed with a motor umbrella wheel, the inner circle of the clutch umbrella wheel is stepped, the upper part of the wheel body is a small circle in sliding fit with the hollow shaft, the lower part of the wheel body is designed into a large circle, the inner diameter of the large circle is slightly larger than the diameter of the pin, a longitudinal positioning groove matched with the pin is formed in the small circle section adjacent to the large circle, an axial sliding groove is designed in the shaft section of the hollow shaft, which is located in the clutch umbrella wheel positioning groove and the large circle, the pin is arranged in the sliding groove.

The head of the hollow shaft is an outer hexagonal head.

For the cooperation the utility model discloses a go up and down, still designed a lift crank, including rocking arm, interior hexagonal sleeve, fore-set, interior hexagonal muffjoint rocking arm, the outer hexagonal head phase-match of interior hexagonal sleeve and hollow shaft head has the fore-set in the interior hexagonal sleeve.

The push-pull bed board and the push-pull upper board adopt metal slideway assemblies, the pull rod on the outward-turning bed board adopts a zipper or a foldable pull rod, and the support rod on the outward-turning upper board adopts a foldable support mode or a pneumatic jacking rod.

The lifting expanding tent cover can be arranged on a rear bucket of a vehicle for field operation, traveling, fishing and hunting and exploration by using proper tarpaulin, is particularly suitable for pickup vehicles, is used for resting and staying overnight, is convenient to carry, does not occupy excessive storage space, is stable and reliable in integral combination, is simple and labor-saving to pack and open, is driven by a motor to rotate by a clutch umbrella wheel and a transmission shaft, and two pairs of transmission umbrella wheels on the transmission shaft respectively drive two pairs of lead screws to rotate in opposite directions so as to vertically erect and open (lift) a front upright post and a rear upright post or fold (lower) the front upright post and the rear upright post by reversing the motor.

According to the structural characteristics of the lifting expansion tent, three surfaces of the opened tent are provided with fixed bed boards, the middle space can be firstly provided with a lifting tea table, and then a plurality of mattresses are arranged on the lifting tea table to form a whole bed.

The design of the push-pull bed board or the outward-turning bed board expands the width of the bed, so that the opened internal space is wider, and the push-pull bed board or the outward-turning bed board is just above two rear wheels of the automobile, so that the stability of people after living is further improved.

In addition, because the lifting expanding tent is fixed on the car hopper when in use, a gas stove, a toilet appliance and the like can be placed in the lower space, and the lifting expanding tent can become a multifunctional simple car as a house integrating rest, overnight and dining into a whole if combined with the lifting expanding tent.

The beneficial effects of the utility model are that the characteristics of fighting behind the abundant combination car, carry the transportation convenient, rise, fall freely, can be motor-driven also manually, the structure is concise firm, opens the back inner space spacious, can sleep and sit, the function is comprehensive.

Drawings

Fig. 1 is a perspective view (rear view) of the lifting expandable tent, the push-pull bed plate and the eversion bed plate not being shown;

fig. 2 is a top view of the bottom of the lifting expanding tent, with the front and rear posts in the open position of the tent, and the push-pull bed plate and the eversion bed plate not shown;

FIG. 3 is a schematic view of a clutch pulley assembly of the lifting expanding tent;

FIG. 4 is a schematic cross-sectional view taken along line A-A of the clutch pulley;

fig. 5 is a rear view of the lifting expanding tent in an opened state;

fig. 6 is a front view of the lifting expanding tent in an opening state;

FIG. 7 is a side view of the side of the push bed plate when the lifting expandable tent is in an open state;

fig. 8 is a side view of one side of the push bed plate when the lifting expandable tent is in a retracted state;

fig. 9 is a rear view of the folding and stowing state of the lifting expandable tent;

fig. 10 is a front view of the collapsible and stowable state of the lifting expandable tent;

fig. 11 is a schematic view of the hinge connection involved in the lifting expanding tent, wherein (a) is a schematic view of the hinge connection point, and (B) is a schematic view of the folding state of the hinge connection;

fig. 12 is a schematic view of a track assembly involved in lifting and lowering an expandable tent, wherein (a) is a schematic cross-sectional view and (B) is a schematic side-sectional view.

In fig. 1, 5-10, the canopy is not shown for clarity and completeness of illustration.

In the figure: the multifunctional foldable tea table comprises a front frame 1, a U-shaped frame 2, a rear frame 3, a motor 4, legs 5, a frame 6, a rear lower beam 7, a front upper beam 8, a rear upper beam 9, a front top beam 10, a rear top beam 11, double slide ways 12, a push-pull bed board 13, a push-pull upper board 14, a linkage rod 15, an outward-turning bed board 16, an outward-turning upper board 17, a pull rod 18, a support rod 19, a track groove 20, a lead screw 21, a pulley 22, a slide block 23, a front upright column 24, a rear upright column 25, a front stabilizing rod 26, a rear stabilizing rod 27, a spring hinge 28, a dust cover 29, a transmission shaft 30, a transmission bevel wheel 31, a clutch bevel wheel 32, a hollow shaft 33, a pin 34, a top rod 35, a reset spring 36, a positioning groove 37, a sliding

Detailed Description

The invention is further described with reference to the following figures and examples:

as shown in fig. 1, 2, 5 and 6, the lifting expanding tent of the utility model comprises an outer cover tarpaulin, a framework and a matching device, wherein the framework is composed of a bottom frame, a top frame, a front upright post and a rear upright post between the bottom frame and the top frame, a front stabilizing bar, a rear stabilizing bar, a push-pull bed board 13, a push-pull upper board 14, a linkage rod 15, an outward-turning bed board 16, an outward-turning upper board 17, a pull rod 18 and a support rod 19, the bottom frame comprises a front frame 1, a U-shaped frame 2, a rear frame 3, a motor 4, legs 5, a frame 6 and a rear lower beam 7, the top frame comprises a front upper beam 8, a rear upper beam 9, a front top beam 10 and a rear top beam 11, the matching device comprises a double slideway 12 and a transmission mechanism, the U-shaped frame 2 is connected in the middle of the front frame 1, two parallel double slideway 12 are arranged between the front frame 1 and the rear frame 3, the transmission mechanism is arranged in the rear frame 3, one side of the rear frame 3 is provided with, the lower ends of two pairs of upright posts are respectively arranged on two double slideways 12 in a sliding manner, a front stabilizer bar 26 and a rear stabilizer bar 27 are respectively hinged between the two ends of a front upper beam 8 and a U-shaped frame 2 and between a rear lower beam 7 and a rear upper beam 9, a push-pull bed plate 13 or an outward-turning bed plate 16 is respectively arranged at the two ends of a front frame 1 and a rear frame 3, a push-pull upper plate 14 corresponding to the push-pull bed plate 13 is arranged at one end of the front upper beam 8 and one end of the rear upper beam 9, a linkage rod 15 is hinged between the push-pull bed plate 13 and the push-pull upper plate 14, an outward-turning upper plate 17 corresponding to the outward-turning bed plate 16 is arranged at one end of a front top beam 10 and a rear top beam 11, pull rods 18.

As shown in fig. 11, the column, the stabilizer bar and the linkage 15 are hinged, so that the column, the stabilizer bar and the linkage 15 can be folded or unfolded conveniently, and the connected column and the linkage can be tightly combined without shaking, the stabilizer bar serves to prevent the frame from shaking after being lifted, and the linkage 15 serves to drive the push-pull upper plate 14 to perform a synchronous action when the bed board is pulled.

As shown in fig. 12, two track grooves 20 are provided in each double slide way 12, each track groove 20 is provided with a lead screw 21 and a slider 23 provided with four pulleys 22, the lead screw 21 passes through a nut in the middle of the slider 23, one end of the lead screw 21 extends into the front frame 1 and is provided with an umbrella wheel, the top of the slider 23 exposed out of the track groove 20 is hinged with the lower ends of the front and rear uprights, the lower end of the front upright 24 is located at the connection position of the track groove 20 and the front frame 1 when the tent is lifted, and the lower end of the rear upright 25 is located at the connection position of the track groove 20 and the rear frame 3.

As shown in fig. 1 and 2, a dust-proof cover 29 with two oblique ends is mounted on each double slideway 12 through a spring hinge 28, so that the dust-proof cover can be lifted when the upright post moves from two ends to the middle along the lead screw 21, or can automatically cover the double slideways 12 when the upright post moves from the middle to two ends along the lead screw 21, and no foreign matter falls into the track groove 20 to influence the movement of the slide block 23 driving the upright post.

Further, the pulley 22 is a polyurethane bearing, and is characterized by good sliding performance and no obvious noise.

As shown in fig. 2 and 3, the transmission mechanism includes a transmission shaft 30, a clutch pulley set and a transmission pulley 31, the transmission shaft 30 is provided with the clutch pulley set and two pairs of transmission pulleys 31, and the transmission pulleys 31 are respectively engaged with the pulleys on the head of the screw 21.

As shown in fig. 3 and 4, the clutch bevel gear set includes a clutch bevel gear 32, a hollow shaft 33, a pin 34, a push rod 35, and a return spring 36, the clutch bevel gear 32 is sleeved on the hollow shaft 33 and fixed in axial position by a shaft retainer ring, the hollow shaft 33 is butted with the transmission shaft 30, the clutch bevel gear 32 is engaged with the motor bevel gear, the inner circle of the clutch bevel gear 32 is stepped, the upper part of the gear body is a small circle in sliding fit with the hollow shaft 33, the lower part of the gear body is designed into a large circle, the inner diameter of the large circle is matched with the diameter of the pin 34, a positioning groove 37 matched with the pin 34 is opened on the small circle section adjacent to the large circle, an axial sliding groove 38 is designed on the positioning groove 37 of the clutch bevel gear 32 and the shaft section of the large circle of the hollow shaft 33, the pin 34 is arranged in the sliding groove 38, the pin 34 is connected with the push rod 35 arranged in the hollow shaft 33, at ordinary times, under the elastic pushing of the return spring 36, the pin 34 slides into the positioning groove 37, the clutch umbrella wheel 32 rotates together with the transmission shaft 30, the power of the motor 4 can be transmitted to the screw rod 21 through the transmission umbrella wheel 31, and the lifting and descending actions of the tent are completed.

The head of the hollow shaft 33 is an outer hexagonal head.

A lifting crank matched with a lifting expanding tent is shown in figure 3 and comprises a rocker arm 39, an inner hexagonal sleeve 40 and a top column 41, wherein the inner hexagonal sleeve 40 is connected with the rocker arm 39, the inner hexagonal sleeve 40 is matched with an outer hexagonal head at the head of a hollow shaft 33, and the top column 41 is designed in the inner hexagonal sleeve 40.

As shown in fig. 5 and 6, the push-pull bed board 13 and the push-pull upper board 14 are made of metal slideway assemblies, the pull rod 18 on the out-turned bed board 16 is made of a zipper or a foldable pull rod, and the support rod 19 on the out-turned upper board 17 is made of a foldable support mode or a pneumatic jacking rod.

As shown in fig. 2, 7, 8, 9 and 10, the lifting extended tent cover can be arranged on a rear hopper of a vehicle for field operation, traveling, fishing and hunting and exploration by using a proper tarpaulin, is particularly suitable for pickup vehicles, is used for resting and staying overnight, is convenient to carry, does not occupy excessive storage space, is stable and reliable in integral combination, is simple and labor-saving to fold and open, can be realized by driving a transmission mechanism through the motor 4 and can also be manually realized through a lifting crank.

Example 1: when the tent is opened (lifted), the motor 4 is started, the motor 4 drives the clutch umbrella wheel 32 and the transmission shaft 30 to rotate, the two pairs of transmission umbrella wheels 31 on the transmission shaft 30 respectively drive the two pairs of screw rods 21 to rotate reversely, so that the front and rear upright posts slide on the double slide ways 12 reversely until sliding to the two ends of the double slide ways 12 and then vertically erected and opened (lifted), at the moment, the dust cover 29 on the double slide ways 12 covers the double slide ways 12 under the action of the spring hinge 28 to prevent foreign matters from entering, the front and rear stabilizer bars ensure that the opened tent is stable and does not shake, then the push-pull bed board 13 and the push-pull upper plate 14 are pulled out together through the linkage rod 15, the eversion bed board 16 and the eversion upper plate 17 are lifted, the design of the push-pull bed board 13 or the eversion bed board 16 expands the width of the bed, so that the opened internal space is wider, and the push-pull bed board 13 or the eversion bed board, the stability after living is further improved.

Example 2: as can be seen from fig. 2, the bed of the lifting expanding tent can be composed of two parts, namely a three-surface bed board formed along the rear frame 3 and the two side frames 6; secondly, a plurality of mattresses are separately placed in the middle space to form the whole bed surface, and people can sleep on the bed surface. When the user does not need to sleep, the middle mattresses can be taken off, the liftable tea table 42 which is arranged below the mattresses in advance surrounds the tea table to sit on three sides after being lifted, and the taken-off mattresses are used as back cushions to be placed behind the seated user.

Example 3: as shown in fig. 8-10, when the tent is folded (lowered), the push-pull bed plate 13 and the push-pull upper plate 14 are pushed back to the right position, the outward-turning bed plate 16 is folded back, the outward-turning upper plate 17 is placed, the motor 4 is started to rotate reversely, the transmission mechanism drives the front and rear upright posts to slide reversely on the double slide ways 12, meanwhile, the dust-proof cover 29 is lifted by the front and rear upright posts under the action of the inclined surface, the front and rear upright posts gradually slide from the vertical state to the falling state, and the stabilizer bars and the linkage bars 15 are folded back one by one at the joint connection point in the middle.

Example 4: as shown in fig. 3, if a motor 4 fails or the tent is to be lifted manually, the lifting crank can be used, an inner hexagonal sleeve 40 of the lifting crank is sleeved on the head of the hollow shaft 33, and simultaneously, a top column 41 in the inner hexagonal sleeve 40 pushes a top rod 35 to make a pin 34 transversely move to the large circle of the clutch umbrella wheel 32 along a sliding groove 38, so that the clutch umbrella wheel 32 is separated from the locking of the pin 34 and is out of cross-linking with the hollow shaft 33, and the lifting crank and a transmission shaft can be shaken clockwise or counterclockwise to open or retract the tent.

Claims (6)

1. A lifting expansion tent comprises outer cover tarpaulin, a framework and a matching device, and is characterized in that the framework comprises a bottom frame, a top frame, a front upright post and a rear upright post arranged between the bottom frame and the top frame, a front stabilizer bar, a rear stabilizer bar, a push-pull bed plate (13), a push-pull upper plate (14), a linkage rod (15), an outward-turning bed plate (16), an outward-turning upper plate (17), a pull rod (18) and a support rod (19), the bottom frame comprises a front frame (1), a U-shaped frame (2), a rear frame (3), a motor (4), legs (5), a frame (6) and a rear lower beam (7), the top frame comprises a front upper beam (8), a rear upper beam (9), a front top beam (10) and a rear top beam (11), the matching device comprises double slideways (12) and a transmission mechanism, the U-shaped frame (2) is connected in the middle of the front frame (1), two parallel double slideways (12) are arranged between, a motor (4) is arranged on one side of the rear frame (3), a pair of front upright posts (24) and a pair of rear upright posts (25) are respectively hinged on the front upper beam (8) and the rear upper beam (9), the lower ends of the two pairs of upright posts are respectively arranged on two double slideways (12) in a sliding way, a front stabilizer bar (26) and a rear stabilizer bar (27) are respectively hinged between the two ends of the front upper beam (8) and the U-shaped frame (2), a front stabilizer bar (26) and a rear stabilizer bar (27) are respectively hinged between the rear lower beam (7) and the rear upper beam (9), a push-pull bed plate (13) or an outward turning bed plate (16) is respectively arranged at the two ends of the front frame (1) and the rear frame (3), a push-pull upper plate (14) corresponding to the push-pull bed plate (13) is arranged at one end of the front upper beam (8) and the rear upper beam (9), a linkage rod (15) is hinged between the push-pull bed plate (13) and the outward turning bed plate, the two sides of the eversion bed plate (16) are connected with pull rods (18), and the two sides of the eversion upper plate (17) are connected with support rods (19).

2. The lifting expandable tent of claim 1, wherein two track grooves (20) are formed in each double-slide way (12), each track groove (20) is internally provided with a lead screw (21) and a sliding block (23) provided with four pulleys (22), the lead screw (21) penetrates through a screw nut in the middle of the sliding block (23), one end of the lead screw (21) extends into the front frame (1) and is provided with an umbrella wheel, the top of the sliding block (23) exposed out of the track groove (20) is hinged with the lower ends of the front and rear upright columns, the lower end of the front upright column (24) is positioned at the joint of the track groove (20) and the front frame (1) when the tent is lifted, and the lower end of the rear upright column (25) is positioned at the joint of the track groove (20) and the rear frame (3).

3. A lifting expandable tent according to claim 1 or 2, characterized in that a dust cover (29) with two oblique ends is mounted on each double chute (12) via a spring hinge (28).

4. The lifting expandable tent of claim 1, wherein the transmission mechanism comprises a transmission shaft (30), a clutch pulley set and a transmission pulley (31), the clutch pulley set and two pairs of transmission pulleys (31) are arranged on the transmission shaft (30), and the transmission pulleys (31) are respectively meshed with the pulleys on the head of the screw rod (21).

5. The lifting expandable tent according to claim 4, wherein the clutch umbrella wheel set comprises a clutch umbrella wheel (32), a hollow shaft (33), a pin (34), a push rod (35) and a return spring (36), the clutch umbrella wheel (32) is sleeved on the hollow shaft (33) and fixed in axial position through a shaft retainer ring, the hollow shaft (33) is butted with the transmission shaft (30), the clutch umbrella wheel (32) is meshed with the motor umbrella wheel, the inner circle of the clutch umbrella wheel (32) is stepped, the upper part of the wheel body is a small circle in sliding fit with the hollow shaft (33), the lower part of the wheel body is designed into a large circle, the inner diameter of the large circle is matched with the diameter of the pin (34), a positioning groove (37) matched with the pin (34) is formed in the small circle section adjacent to the large circle, the hollow shaft (33) is positioned in the positioning groove (37) of the clutch umbrella wheel (32) and the axial sliding groove (38) is designed in the shaft section, a pin (34) is arranged in the sliding groove (38), the pin (34) is connected with a mandril (35) arranged in the hollow shaft (33), and a return spring (36) is arranged between the pin (34) and the bottom of the hollow shaft (33).

6. The lifting expandable tent of claim 5, wherein the head of the hollow shaft (33) is an outer hexagonal head.

Images