CN215284546U

CN215284546U - Extension subassembly of locking mechanical system is taken to push rod

Info

Publication number: CN215284546U
Application number: CN202120589815.3U
Authority: CN
Inventors: 鲍俊威; 李东锁
Original assignee: Taicang Dongtai Precision Machinery Co ltd
Current assignee: Taicang Dongtai Precision Machinery Co ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-12-24
Anticipated expiration: 2031-03-23

Abstract

The utility model discloses an expanding component of a push rod with a locking mechanism, which comprises 2 parallel push rods A and 2 parallel stretching support frames B, wherein a slidable expanding cabin body is arranged on the push rods A and the stretching support frames B, a motor transmission rod vertical to the push rods A and the stretching support frames B is arranged, one end of the motor transmission rod is connected with a direct current motor unit, a driving shaft is arranged at the joint between the motor transmission rod and the push rods A, the push rods A are integrally of a cuboid structure, the outer layer is an outer sleeve with a rectangular cross section, a guide support plate with a movable drawing and pulling function is arranged in the outer sleeve, a rack is arranged at the lower end of the guide support plate, the rack and the guide support plate are integrated, one end of the guide support plate is arranged in the outer sleeve, and the other end of the guide support plate is connected with a cabin body connecting seat, the expanding component of the push rod with the locking mechanism has compact integral design, effectively improve the usable floor area inside the car as a house.

Description

Extension subassembly of locking mechanical system is taken to push rod

Technical Field

The utility model relates to an extend equipment technical field, be fit for vehicles such as car as a house, special-purpose vehicle, special vehicle, especially relate to an extension subassembly of push rod area locking mechanism.

Background

The motor home is a movable vehicle type with essential basic facilities for home, meets the requirements of people on travel, field life and work, and can be called as a movable home vividly.

The special vehicles comprise various command vehicles, mobile command posts, command platforms, command centers and mobile medical vehicles, and under the static state of the vehicles, the internal space needs to be expanded, and under the driving state, the requirements of traffic regulations need to be met, so that both the motor homes and the special vehicles are provided with expansion equipment.

The utility model discloses product before combining the company, the expansion subassembly of having released and designed a push rod area locking mechanism can realize that the chassis of vehicle extends, realizes that vehicle chassis extends to both sides, enlarges the inside usable floor area of automobile body.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides an expansion subassembly of push rod area locking mechanism, the inside space of the vehicle of can being convenient for outwards expands.

An expansion subassembly of push rod area locking mechanical system, including 2 parallel push rod A, 2 parallel tensile support frame B, push rod A and tensile support frame B get rid of deckle edge, acute angle through burring processing. The push rod A and the stretching support frame B are arranged in parallel, the sliding expansion cabin body is arranged on the push rod A and the stretching support frame B, the motor transmission rod perpendicular to the push rod A and the stretching support frame B is arranged, one end of the motor transmission rod is connected with a direct current motor set, and the motor transmission rod is driven to rotate by power of the direct current motor set.

The joint between the motor transmission rod and the push rod A is provided with a driving shaft, and the push rod A moves through the driving shaft.

Wherein, the whole cuboid structure that adopts of push rod A, the outer tube that sets up to rectangular cross section, the length of outer tube is between 1500 millimeters to 3000 millimeters, preferably 2300 millimeters, set up the mobilizable direction backup pad of pull in the outer tube, direction backup pad adopts the cuboid, the rack has been set up at the direction backup pad lower extreme, rack and direction backup pad structure as an organic whole, direction backup pad one end sets up in the outer tube, the connection of the direction backup pad other end has set up cabin body connecting seat, horizontal migration through rack and direction backup pad, drive the removal of the whole cabin body, thereby realize the pull of the cabin body at the car as a house chassis.

The guide support plate is characterized in that a driving gear is arranged in the middle of the guide support plate, a gear shield covers the driving gear, the driving gear is of a disc structure, a shaft hole is formed in the central point of the disc, the driving shaft penetrates through the shaft hole, the driving gear is driven to rotate through the driving shaft, a support guide wheel is arranged at the lower end of the guide support plate to facilitate the guide support plate to move in the outer sleeve, a pressing wheel is arranged at the upper end of the guide support plate, and the guide support plate reduces the pressure of the guide support plate to move through the support guide wheel between the support guide wheel and the pressing wheel.

The cabin body connecting seat is provided with the lock hook A and the lock hook B, the lock hook A and the lock hook B are of symmetrical structures, the lock hook A comprises a lock hook and a lock hook A base, the lock hook A and the lock hook B are movably connected with the cabin body connecting seat, the lock hook A and the lock hook B are connected and provided with the reset spring, and the lock hook part can be opened through the tightening of the reset spring.

The locking hook A, the locking hook B and the return spring jointly form a locking mechanism, and the locking mechanism is the most important component of the invention.

In operation, the push rod A structure is in a stretching state:

the push rod A is fixed with the rack, when the rack moves backwards, the cabin connecting seat is static relative to the rack due to the fact that the cabin connecting seat is provided with an idle stroke, the push rod A releases the two locking hooks, the opening angle of the hook is maximized under the action of the reset spring, the rack continues to move backwards, and when the idle stroke is finished, the pin shaft pushes the cabin connecting seat to move so as to pull the expansion bin to move, and unlocking is completed.

In operation, the push rod A is in a structure contraction state:

latch hook A and latch hook B and cabin body connecting seat swing joint, it is taut through reset spring for the hook portion of cable hook opens, and the couple is hung in the outer tube breach, thereby makes cabin body and automobile body keep the lock-out state, and at this moment, the pull storehouse is just in and withdraws the state completely, thereby with the pull storehouse locking.

The utility model has the advantages that: the utility model relates to an expansion subassembly global design compactness of push rod area locking mechanism has effectively improved the inside usable floor area of car as a house.

Drawings

Fig. 1 is a schematic overall structure diagram of an expansion assembly of the push rod with a locking mechanism according to the present invention;

fig. 2 is a schematic top view of an expanding assembly of the push rod with a locking mechanism according to the present invention;

fig. 3 is a drawing schematic diagram of a structure of a push rod a of an expansion assembly of the push rod with a locking mechanism according to the present invention;

fig. 4 is a schematic drawing of a structure drawing of a push rod a of an expanding assembly of the push rod with a locking mechanism of the present invention;

fig. 5 is a drawing schematic diagram of a structure of a push rod a of an expansion assembly of the push rod with a locking mechanism according to the present invention;

fig. 6 is an enlarged view of a latch hook a and a latch hook B of a push rod a of an expanding assembly of the push rod with a locking mechanism of the present invention;

fig. 7 is a first schematic view of a structure contraction of a push rod a of an expansion assembly of the push rod with a locking mechanism according to the present invention;

fig. 8 is a schematic drawing showing the structure of a push rod a of an expansion assembly of the push rod with a locking mechanism according to the present invention in a contracted state;

fig. 9 is a schematic drawing showing the structure of a push rod a of an expansion assembly of the push rod with a locking mechanism according to the present invention in a contracted state;

fig. 10 is a schematic drawing showing the structure of a push rod a of an expansion assembly of the push rod with a locking mechanism according to the present invention in a contracted state;

fig. 11 is a state diagram of the locking mechanism of the push rod a of the present invention in a stretched state;

fig. 12 is a state diagram of the locking mechanism of the push rod a of the present invention in a contracted state;

the parts in the drawings are numbered as follows:

the device comprises a push rod A1, a stretching support frame B2, a motor set 3 and a motor transmission rod 4;

1_1 is an outer sleeve, 1_2 is a rack, 1_3 is a guide support plate, 1_4 is a cabin body connecting seat, 1_5 is a locking hook A, 1_6 is a locking hook B, 1_7 is a driving shaft, 1_8 is a driving gear, 1_9 is a gear shield, 1_10 is a tail guide wheel, 1_11 is a guide wheel support plate, 1_12 is a pressing wheel, 1_13 is a supporting guide wheel, 1_14 is a return spring, 1_15 pin shafts, 1_16 locking hook hooks and 1_17 outer sleeve notches;

2_1 supporting frame B cabin connecting block.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 to 12, an embodiment of the present invention includes:

an expansion subassembly of push rod area locking mechanical system, including 2 parallel push rod A, 2 parallel tensile support frame B, push rod A and tensile support frame B get rid of deckle edge, acute angle through burring processing. The push rod A and the stretching support frame B are arranged in parallel, the sliding expansion cabin body is arranged on the push rod A and the stretching support frame B, the motor transmission rod 4 perpendicular to the push rod A and the stretching support frame B is arranged, one end of the motor transmission rod 4 is connected with the direct current motor set 3, the motor transmission rod 4 is driven to rotate by the power of the direct current motor set 3, and a coupler is arranged between the motor transmission rod and the direct current motor set.

Wherein, push rod A wholly adopts the cuboid structure, the outer tube that sets up to rectangular cross section, the length of outer tube is between 1500 millimeters to 3000 millimeters, preferably 2300 millimeters, set up mobilizable direction backup pad 1_3 of pull in the outer tube, direction backup pad 1_3 adopts the cuboid, rack 1_2 has been set up to 1_3 lower extreme in direction backup pad, rack 1_2 and direction backup pad structure as an organic whole, 1_3 one end of direction backup pad sets up in outer tube 1_1, direction backup pad 1_3 other end is connected and has been set up cabin body connecting seat 1_4, horizontal migration through rack and direction backup pad, drive the removal of the whole cabin body, thereby realize the pull of the cabin body in the car as a house chassis.

Set up drive gear 1_8 at direction backup pad 1_3 intermediate position, the outer cladding of drive gear 1_8 has gear guard shield 1_9, drive gear adopts the disc structure, the central point at the disc has set up the shaft hole, the drive shaft passes from the shaft hole, drive gear's rotation through the drive shaft, for the convenience of the removal of direction backup pad in outer sleeve, support the guide pulley has been set up to direction backup pad lower extreme, the pinch roller has been set up to direction backup pad upper end, direction backup pad is between support guide pulley and pinch roller, reduce the pressure that direction backup pad removed through supporting the guide pulley.

The cabin body connecting seat 1_4 is provided with a lock hook A and a lock hook B, the lock hook A and the lock hook B are of symmetrical structures, the lock hook A comprises a lock hook and a lock hook A base, the lock hook A and the lock hook B are movably connected with the cabin body connecting seat, a return spring 1_14 is connected and arranged between the lock hook A and the lock hook B, and the return spring 1_14 is tensioned, so that the lock hook 1_16 is partially opened.

In operation, the push rod A structure is in a stretching state:

the push rod A is fixed with the rack 1_2, when the rack 1_2 moves backwards, because the cabin body connecting seat 1_4 is provided with an idle stroke, the cabin body connecting seat 1_4 is static relative to the rack, the push rod A releases the two locking hooks, under the action of the reset spring, the opening angle of the hook is maximized, the rack continues to move backwards, when the idle stroke is finished, the pin shaft pushes the cabin body connecting seat to move, so that the expansion bin is pulled to move, and unlocking is completed.

In operation, the push rod A is in a structure contraction state:

the lock hook A and the lock hook B are movably connected with the cabin body connecting seat, the reset spring 1_14 is tensioned, the hook part 1_16 of the cable hook is opened, the hook is hung in the gap 1_17 of the outer sleeve, the cabin body and the automobile body are kept in a locking state, at the moment, the drawing cabin is just in a completely withdrawing state, and the drawing cabin is locked.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An expansion assembly of a push rod with a locking mechanism is characterized by comprising 2 parallel push rods A and 2 parallel stretching support frames B, wherein the push rods A and the stretching support frames B are subjected to deburring treatment, the push rods A and the stretching support frames B are arranged in parallel, expansion cabin bodies capable of sliding are arranged on the push rods A and the stretching support frames B, motor transmission rods perpendicular to the push rods A and the stretching support frames B are arranged, one ends of the motor transmission rods are connected with a direct-current motor set, the motor transmission rods are driven to rotate by power of the direct-current motor set, a driving shaft is arranged at the connecting part between the motor transmission rods and the push rods A, the push rods A are integrally of a cuboid structure, the outer layer is provided with an outer sleeve with a rectangular cross section, a drawing and movable guide support plate is arranged in the outer sleeve, the guide support plate is cuboid, and a rack is arranged at the lower end of the guide support plate, rack and direction backup pad structure as an organic whole, direction backup pad one end sets up in the overcoat pipe, the connection of the direction backup pad other end has set up cabin body connecting seat, horizontal migration through rack and direction backup pad, the removal of the whole cabin body is driven, thereby realize the pull of the cabin body at the car as a house chassis, drive gear has been set up at the direction backup pad intermediate position, the outer cladding of drive gear has the gear guard shield, drive gear adopts the disc structure, the shaft hole has been set up at the central point of disc, the drive shaft passes from the shaft hole, drive gear's rotation has been driven through the drive shaft, support guide pulley has been set up at the direction backup pad lower extreme, pinch roller has been set up in the direction backup pad upper end, direction backup pad is between support guide pulley and pinch roller, reduce the pressure that direction backup pad removed through the support guide pulley.

2. The expanding assembly of the push rod with the locking mechanism is characterized in that a lock hook A and a lock hook B are arranged on the cabin connecting seat, the lock hook A and the lock hook B are of symmetrical structures, the lock hook A comprises a lock hook and a lock hook A base, the lock hook A and the lock hook B are movably connected with the cabin connecting seat, a return spring is connected between the lock hook A and the lock hook B, and the return spring is tensioned to enable the lock hook to be partially expanded.

3. The extension assembly of claim 1, wherein a coupling is disposed between the motor transmission rod and the dc motor set.

4. The extension assembly of claim 1 wherein the length of the outer sleeve is between 1500 mm and 3000 mm.