CN115042138B - Car door assembly assembles and maintains support - Google Patents
Car door assembly assembles and maintains support Download PDFInfo
- Publication number
- CN115042138B CN115042138B CN202210964523.2A CN202210964523A CN115042138B CN 115042138 B CN115042138 B CN 115042138B CN 202210964523 A CN202210964523 A CN 202210964523A CN 115042138 B CN115042138 B CN 115042138B
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- positioning
- limiting
- rod
- fixedly connected
- transmission
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/0007—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby for engines, motor-vehicles or bicycles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/06—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of trestle type
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The invention discloses an automobile door assembly assembling and maintaining bracket, which relates to the field of automobile machinery and comprises a walking frame and fixed pipes transversely arranged at two ends of the top of the walking frame, wherein a rectangular rotating shaft penetrates through the fixed pipes through a bearing, an adjusting disc is connected inside a circular groove, a supporting rod is inserted into the fixed pipe, an anti-falling block is arranged at the top end of the supporting rod, and a connecting screw rod is connected inside a threaded hole; the limiting component is arranged inside the limiting box; a positioning mechanism is arranged in the pushing cavity; a locking mechanism is arranged inside the positioning box; according to the invention, the rectangular rotating shaft is matched with the adjusting disc and the supporting rod, so that stable fixed support can be conveniently carried out on the automobile door to be assembled or maintained, and the supporting rod can conveniently carry out height adjustment operation and left and right inclination angle adjustment operation on the supporting rod according to the hole position on the automobile door through the matching of the positioning mechanism and the locking mechanism, so that the application range of the device for stably supporting the automobile door is improved.
Description
Technical Field
The invention relates to the field of automobile machinery, in particular to an assembling and maintaining bracket for an automobile door assembly.
Background
In the mechanical structure of the automobile, the edges of the automobile door assembly and the automobile body assembly are not always attached or tightly connected, a certain gap is formed between the edges of the automobile door assembly and the automobile body assembly, and the gaps of the automobile doors are required to be uniform and consistent for the automobile with qualified quality; the automobile door assembly and the automobile body assembly require uniform clearance, so that the working procedures of assembling, disassembling, maintaining and the like of the automobile door assembly are difficult to operate;
meanwhile, because the automobile door is heavy, the automobile door is easy to droop or move due to the action of gravity in the assembling process, so that the gap between the automobile door assembly and the automobile body assembly is changed at any moment, the fixing is difficult, and the assembling is unqualified; the conventional technical scheme that the clamping plate is arranged on the doorsill to position the automobile door assembly keeps the uniformity of the gap to a certain degree, but the conventional clamping plate is uniform in structure and is inconvenient to adjust and fix the clamping plate for fixing the automobile door according to vacant positions on different automobile doors; therefore, there is a need for an improved approach to the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an assembling and maintaining bracket for an automobile door assembly.
In order to achieve the purpose, the invention adopts the following technical scheme: an automobile door assembly assembling and maintaining bracket comprises a walking frame and fixed pipes transversely installed at two ends of the top of the walking frame, rectangular rotating shafts are transversely arranged between the fixed pipes in a rotating mode through bearings, a limiting box is fixedly connected to the outer end face of one of the fixed pipes, and the outer end of the rectangular rotating shaft movably penetrates out of the limiting box and is fixedly connected with a first hand wheel; four sliding sleeves are sleeved on a shaft body of the rectangular rotating shaft in an equidistant sliding manner, circular grooves are formed in the front end surface and the rear end surface of each sliding sleeve, adjusting discs are connected to the inner portions of the circular grooves through rotating of the rotating shaft, the front end surface of each adjusting disc protrudes out of the circular grooves and is vertically and fixedly connected with a fixed cylinder, a supporting rod is vertically movably inserted into the fixed cylinder, an anti-falling block is installed at the top end of the supporting rod, a threaded hole is longitudinally formed in the top of the front end surface of the supporting rod, and a connecting screw rod which is longitudinally arranged is connected into the threaded hole;
a limiting component for limiting the rotation of the rectangular rotating shaft is arranged in the limiting box; the inner parts of the cylinder bodies on the two sides of the fixed cylinder are respectively provided with a pushing cavity, and a positioning mechanism for limiting and fixing the supporting rod is arranged in the pushing cavity; guide sliding blocks are fixedly connected to two sides of the upper end and the lower end of the inner wall of the fixed cylinder, and stabilizing strip grooves matched with the guide sliding blocks are vertically formed in two sides of the supporting rod; the front end face and the rear end face of one side of the sliding sleeve are fixedly connected with positioning boxes, and locking mechanisms used for limiting angles of the adjusting disc are arranged in the positioning boxes.
Preferably, a through hole is formed in one side of the top of the sliding sleeve, a rubber sleeve is vertically and fixedly connected inside the through hole, a pin rod is vertically inserted inside the rubber sleeve, and a plurality of positioning grooves matched with the pin rod are formed in the top surface of the rectangular rotating shaft at equal intervals; the bottom end of the pin rod is inserted into the positioning groove; the front end and the rear end of the inner wall of the lower end of the sliding sleeve are provided with a plurality of stabilizing balls in a rolling clamping manner at equal intervals, and the balls exposed out of the stabilizing balls are movably abutted with the outer wall of the rectangular rotating shaft.
Preferably, the limiting assembly comprises a threaded cylinder vertically penetrating through the middle of the top surface of the limiting box, a screw vertically connected inside the threaded cylinder, a second hand wheel fixedly connected to the top end of the screw, and a limiting arc plate horizontally slidably arranged in the upper portion of the limiting box, the bottom end of the screw is rotatably connected with the top surface of the limiting arc plate, an annular limiting groove is formed in a shaft body of the rectangular rotating shaft positioned inside the limiting box, an anti-slip rubber sleeve is sleeved on the inner wall of the limiting groove, an anti-slip rubber layer is arranged on the inner arc surface of the limiting arc plate, and the anti-slip rubber layer is abutted to the anti-slip rubber sleeve; the cross section of the limiting arc plate is in a T-shaped surface shape, the lower parts of the plate bodies on the two sides of the limiting arc plate are fixedly connected with butt glue layers, and the outer side surfaces of the butt glue layers are abutted to the side walls of the limiting grooves.
Preferably, the positioning mechanism comprises a locking block movably arranged in the middle of the inner walls of two sides of the fixed cylinder, a partition plate vertically arranged in the pushing cavity, a pushing column transversely movably arranged at the upper end and the lower end of the inner wall of the pushing cavity, a screw rod transversely rotatably arranged at the upper end and the lower end of the inner side surface of the partition plate, a transmission cavity arranged above the pushing cavity and a transmission assembly arranged in the transmission cavity, the inner end of the pushing column movably penetrates into the inner ring of the fixed cylinder and is fixedly connected with the outer wall of the locking block, the outer end surface of the pushing column is matched with the screw rod and is provided with a threaded hole channel, and the rod body of the screw rod is connected inside the threaded hole channel of the screw rod; the outer end of the locking block is made of hard materials, the inner end of the locking block is of a trapezoidal block structure, and the main body of the inner end of the locking block is made of rubber materials; a plurality of anti-sliding convex strips are longitudinally arranged on the inner end surface of the locking block at equal intervals; and a friction glue layer is arranged in the stabilizing strip groove.
Preferably, the transmission assembly comprises an annular opening formed in the top surface of the transmission cavity, a rotating sleeve vertically and rotatably connected in the annular opening, transmission shafts vertically and rotatably arranged on two sides of the top surface of the transmission cavity, a transmission gear fixedly sleeved on the shaft body on the upper part of the transmission shaft and a transmission gear ring fixedly sleeved on the outer wall of the lower part of the rotating sleeve, and the outer end of the lead screw movably penetrates through the partition plate and is fixedly connected with a worm gear; the transmission gear ring is in meshing transmission with the transmission gear, the bottom end of the transmission shaft movably penetrates into the pushing cavity, and a pair of worm sleeves matched with the worm wheel is sleeved on a shaft body of the transmission shaft, which is positioned in the pushing cavity.
Preferably, the locking mechanism comprises a positioning toothed ring fixedly sleeved on the outer wall of the adjusting disc, a circular groove formed in the upper end and the lower end of the inner wall of one side of the positioning groove, a positioning push block slidably arranged in the circular groove, a connecting rod transversely and fixedly connected to the outer side surface of the positioning push block, a push plate movably arranged in the positioning box, a pull rod transversely and rotatably connected to the middle of the outer side surface of the push plate, and a thrust spring movably sleeved on the pull rod, wherein a threaded pipe is transversely arranged in the middle of the outer side surface of the positioning box, the outer end of the pull rod movably penetrates out of the threaded pipe and is fixedly connected with a handle, and an external thread matched with the threaded pipe is arranged on the outer wall of a rod body at the inner end of the pull rod; the outer end of the connecting rod movably penetrates into the positioning box to be fixedly connected with the push plate; the inner side surface of the positioning push block is arc-surface-shaped, and a plurality of positioning teeth matched with the positioning toothed ring are arranged on the inner side surface of the positioning push block at equal intervals.
Compared with the prior art, the invention has the beneficial effects that: the invention is convenient for stably and fixedly supporting the automobile door to be assembled or maintained by matching the rectangular rotating shaft, the adjusting disc and the supporting rod, and is convenient for adjusting the height and the left and right inclination angles of the supporting rod according to the hole position on the automobile door by matching the positioning mechanism and the locking mechanism, thereby improving the application range of the device when stably supporting the automobile door, preventing the rectangular rotating shaft from deflecting due to the weight of the automobile door after the overturning operation of the automobile door by the limiting component, and being convenient for more stably supporting the automobile door after the overturning operation during the assembling or maintaining.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a partial cross-sectional front elevational view of the present invention;
FIG. 4 is a schematic view showing the dislocation of the front and rear support rods of the sliding sleeve according to the present invention;
FIG. 5 is a sectional view of the sliding sleeve front end and the fixed cylinder structure of the present invention;
fig. 6 is a sectional view showing the structure of the middle part of the sliding sleeve according to the present invention.
Number in the figure: 1. a walking frame; 2. a fixed tube; 3. a rectangular rotating shaft; 4. a limiting box; 5. a sliding sleeve; 6. an adjusting disk; 7. a fixed cylinder; 8. a support bar; 9. connecting a screw rod; 10. a positioning box; 11. a pin rod; 12. a screw; 13. a limiting arc plate; 14. an anti-skid rubber sleeve; 15. an anti-slip adhesive layer; 16. a stabilizing strip groove; 17. a guide slider; 18. rotating the sleeve; 19. a locking block; 20. a drive shaft; 21. pushing the column; 22. a lead screw; 23. a worm sleeve; 24. a worm gear; 25. a transmission gear; 26. a drive gear ring; 27. positioning a toothed ring; 28. positioning a push block; 29. positioning teeth; 30. pushing the plate; 31. a pull rod; 32. a thrust spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example (b): referring to fig. 1 to 6, an assembly and maintenance support for an automobile door assembly comprises a traveling frame 1 and fixed tubes 2 transversely installed at two ends of the top of the traveling frame 1, wherein rectangular rotating shafts 3 transversely rotate through bearings between the fixed tubes 2, a limiting box 4 is fixedly connected to the outer end face of one fixed tube 2, and the outer end of the rectangular rotating shaft 3 movably penetrates through the limiting box 4 and is fixedly connected with a first hand wheel; four sliding sleeves 5 are sleeved on a shaft body of the rectangular rotating shaft 3 in an equidistant sliding manner, circular grooves are formed in the front end face and the rear end face of each sliding sleeve 5, adjusting discs 6 are rotatably connected to the insides of the circular grooves through the rotating shaft, the front end face of each adjusting disc 6 protrudes out of the corresponding circular groove and is vertically and fixedly connected with a fixed cylinder 7, a supporting rod 8 is vertically movably inserted in each fixed cylinder 7, an anti-falling block is mounted at the top end of each supporting rod 8, a threaded hole is longitudinally formed in the top of the front end face of each supporting rod 8, and a connecting screw rod 9 which is longitudinally arranged is connected in each threaded hole; a limiting component for limiting the rotation of the rectangular rotating shaft 3 is arranged in the limiting box 4; the inner parts of the cylinder bodies on the two sides of the fixed cylinder 7 are respectively provided with a pushing cavity, and a positioning mechanism for limiting and fixing the support rod 8 is arranged in the pushing cavity; two sides of the upper end and the lower end of the inner wall of the fixed cylinder 7 are fixedly connected with guide sliding blocks 17, and two sides of the supporting rod 8 are vertically provided with stabilizing strip grooves 16 matched with the guide sliding blocks 17; the front end face and the rear end face of one side of the sliding sleeve 5 are fixedly connected with positioning boxes 10, and locking mechanisms for limiting the angle of the adjusting disc 6 are arranged in the positioning boxes 10; through the cooperation of rectangle pivot 3 and adjusting disk 6 and bracing piece 8, be convenient for treat the assembly or treat the car door of maintenance and stabilize the fixed stay, and through positioning mechanism and locking mechanism's cooperation, be convenient for make bracing piece 8 can carry out height and bracing piece 8 left and right sides inclination's regulation operation according to the hole site on the door, the application scope when having improved this device and stabilizing the support to the door, and through spacing subassembly, can prevent that the condition of angle deflection appears because of the weight of door in rectangle pivot 3 behind the operation of door turn-ups, be convenient for make more firm when assembly or maintenance of door after the turn-ups operation.
In the invention, a through hole is formed in one side of the top of the sliding sleeve 5, a rubber sleeve is vertically and fixedly connected inside the through hole, a pin rod 11 is vertically inserted inside the rubber sleeve, and a plurality of positioning grooves matched with the pin rod 11 are formed in the top surface of the rectangular rotating shaft 3 at equal intervals; the bottom end of the pin rod 11 is inserted into the positioning groove; twelve stabilizing balls are arranged at the front end and the rear end of the inner wall of the upper end and the lower end of the sliding sleeve 5 at equal intervals in a rolling manner, and the ball bodies exposed by the stabilizing balls are movably abutted against the outer wall of the rectangular rotating shaft 3, so that the sliding sleeve 5 can be conveniently transversely moved and adjusted on the rectangular rotating shaft 3, and the limiting operation is carried out.
In the invention, the limiting assembly comprises a threaded cylinder vertically penetrating through the middle part of the top surface of the limiting box 4, a screw rod 12 vertically connected inside the threaded cylinder, a second hand wheel fixedly connected to the top end of the screw rod 12 and a limiting arc plate 13 horizontally slidably arranged in the upper part of the limiting box 4, the bottom end of the screw rod 12 is rotatably connected with the top surface of the limiting arc plate 13, an annular limiting groove is formed in a shaft body of the rectangular rotating shaft 3 positioned inside the limiting box 4, an anti-skid rubber sleeve 14 is sleeved on the inner wall of the limiting groove, an anti-skid rubber layer 15 is arranged on the inner arc surface of the limiting arc plate 13, and the anti-skid rubber layer 15 is abutted against the anti-skid rubber sleeve 14; the cross section of spacing arc board 13 is T profile form, and the lower part rigid coupling of the plate body of spacing arc board 13 both sides has the butt glue film, and the lateral surface of butt glue film and the lateral wall butt of spacing groove are convenient for improve the location effect after the rotation to rectangle pivot 3, avoid rectangle pivot 3 to appear rotating the condition of off normal because of the weight of door.
In the invention, the positioning mechanism comprises a locking block 19 movably arranged in the middle of the inner walls of two sides of the fixed cylinder 7, a partition plate vertically arranged in the pushing cavity, a pushing column 21 transversely movably arranged at the upper end and the lower end of the inner wall of the pushing cavity, a screw rod 22 transversely rotatably arranged at the upper end and the lower end of the inner side surface of the partition plate, a transmission cavity arranged above the pushing cavity and a transmission assembly arranged in the transmission cavity, wherein the inner end of the pushing column 21 movably penetrates into the inner ring of the fixed cylinder 7 to be fixedly connected with the outer wall of the locking block 19, the outer end surface of the pushing column 21 is matched with the screw rod 22 to be provided with a threaded hole channel, and the rod body of the screw rod 22 is connected inside the threaded hole channel of the screw rod 22; the outer end of the locking block 19 is made of hard materials, the inner end of the locking block 19 is of a trapezoid block structure, and the main body of the inner end of the locking block 19 is made of rubber materials; fifteen anti-sliding convex strips are longitudinally arranged on the inner end surface of the locking block 19 at equal intervals; stabilize 16 inside one deck friction glue layers that are equipped with of strip groove, be convenient for effectively improve the antiskid section of thick bamboo effect to bracing piece 8 after altitude mixture control, avoid the circumstances that bracing piece 8 descends because of door weight is great.
In the invention, the transmission assembly comprises an annular opening arranged on the top surface in the transmission cavity, a rotating sleeve 18 vertically and rotatably connected in the annular opening, transmission shafts 20 vertically and rotatably arranged on two sides of the top surface in the transmission cavity, a transmission gear 25 fixedly sleeved on a shaft body on the upper part of the transmission shaft 20 and a transmission gear ring 26 fixedly sleeved on the outer wall of the lower part of the rotating sleeve 18, wherein the outer end of a lead screw 22 movably penetrates through a partition plate and is fixedly connected with a worm wheel 24; the transmission gear ring 26 is in meshing transmission with the transmission gear 25, the bottom end of the transmission shaft 20 movably penetrates into the pushing cavity, and the shaft body of the transmission shaft 20, which is positioned in the pushing cavity, is sleeved with the pair of worm sleeves 23 matched with the worm wheel 24, so that the two locking blocks 19 can be synchronously pushed and retracted conveniently, and the effect of the locking blocks 19 on the supporting rod 8 is effectively improved.
In the invention, the locking mechanism comprises a positioning toothed ring 27 fixedly sleeved on the outer wall of the adjusting disc 6, a circular groove arranged at the upper end and the lower end of the inner wall at one side of the positioning groove, a positioning push block 28 arranged in the circular groove in a sliding manner, a connecting rod transversely and fixedly connected on the outer side surface of the positioning push block 28, a push plate 30 movably arranged in the positioning box 10, a pull rod 31 transversely and rotatably connected to the middle of the outer side surface of the push plate 30 and a thrust spring 32 movably sleeved on the pull rod 31, a threaded pipe is transversely arranged in the middle of the outer side surface of the positioning box 10, the outer end of the pull rod 31 movably penetrates out of the threaded pipe and is fixedly connected with a handle, and the outer wall of the rod body at the inner end of the pull rod 31 is provided with an external thread matched with the threaded pipe; the outer end of the connecting rod movably penetrates into the positioning box 10 and is fixedly connected with the push plate 30; the inner side surface of the positioning push block 28 is arc-surface-shaped, and a plurality of positioning teeth 29 matched with the positioning toothed ring 27 are arranged on the inner side surface of the positioning push block 28 at equal intervals; the adjusting disk 6 after rotating is convenient to limit and lock, and the adjusting disk 6 after inclination adjustment is prevented from deflecting due to the weight of the vehicle door.
The working principle is as follows: in this embodiment, the present invention further provides a method for using an assembly and maintenance bracket of an automobile door assembly, including the following steps:
firstly, the height of a support rod 8 is adjusted according to a screw hole on a vehicle door to be assembled or maintained, when the height of the support rod 8 is adjusted, a transmission gear ring 26 is driven to rotate through a reverse rotation rotating sleeve 18, a transmission shaft 20 drives a worm sleeve 23 to rotate, a lead screw 22 is driven to synchronously rotate through the meshing of the worm sleeve 23 and a worm wheel 24, a pushing column 21 is conveniently pushed reversely to move transversely and contract through the rotation of the lead screw 22, a locking block 19 is conveniently driven to cancel the butt joint of the locking block 19 on a stabilizing strip groove 16 through the contraction of the pushing column 21, and then the support rod 8 in a fixed cylinder 7 can be pulled to adjust the height of the support rod;
step two, after the height of the supporting rod 8 after the height adjustment is performed, in order to adapt to the positions of hole sites at different positions on the vehicle door, the handle is pulled outwards to drive the push plate 30 connected with the inner end of the pull rod 31 to move outwards, the pull rod 31 is driven to rotate outwards after being moved outwards, the handle is screwed to drive the pull rod 31 to rotate, so that the external threads on the rod body at the inner end of the pull rod 31 are connected to the inside of the threaded pipe, the pull rod 31 after being pulled outwards is prevented from resetting when the adjusting disc 6 rotates and adjusts, and then the positioning push block 28 fixedly connected with the connecting rod is driven to move backwards into the mounting groove, so that the positioning teeth 29 on the positioning push block 28 cancel the limit of the transmission toothed ring 26, then the adjusting disc 6 can rotate and adjust the angle in the circular groove, and the supporting rod 8 can conveniently follow the fixing cylinder 7 to perform the adjustment operation of the inclination angle; after the inclination angles of the adjusting disc 6 and the supporting rod 8 are adjusted, the reverse handle drives the pull rod 31 to reversely rotate, so that the external threads on the rod body at the inner end of the pull rod 31 are withdrawn from the threaded pipe, then the push plate 30 is pushed to reset under the action of the thrust spring 32, the reset of the push plate 30 is convenient for the positioning teeth 29 on the positioning push block 28 to perform limit fixing on the transmission toothed ring 26 again, and the supporting rod 8 after the inclination angle is adjusted is effectively prevented from being subjected to angle deflection;
step three, after the height and the inclination angle of the support rod 8 are adjusted, and the height of the connecting screw 9 on the support rod 8 is adjusted to be consistent with the height of the hole site of the vehicle door, then the outer end of the connecting screw 9 is connected in the hole site of the vehicle door; then, the transmission gear ring 26 is driven to rotate by the forward rotation rotating sleeve 18, and the supporting rod 8 with the height adjusted is limited and fixed by the matching of the transmission assembly and the positioning mechanism;
step four, after the support rod 8 is connected and fixed with the vehicle door through the connecting screw rod 9, the vehicle door can be installed on the device for assembly or maintenance operation, then when the vehicle door needs to be turned over in the assembly or maintenance process, the first hand wheel is rotated to drive the rectangular rotating shaft 3 to rotate, then the rotating rectangular rotating shaft 3 can drive the support rod 8 to turn over, and the vehicle door can be fixed through the turned support rod 8 to be turned over from a vertical state to a plane state, so that a worker can assemble or maintain the vehicle door;
step five, after the door is turned over, in order to prevent the rectangular rotating shaft 3 from deflecting due to the weight of the door, a worker rotates the second hand wheel to drive the screw 12 to rotate and descend, the descending screw 12 is convenient to push the limiting arc plate 13 to be inserted into the limiting groove of the rectangular rotating shaft 3, and then the anti-slip rubber layer 15 is tightly abutted to the anti-slip rubber sleeve 14, so that the rectangular rotating shaft 3 is limited and deflection-preventing effect is achieved, and the door after the turning over operation is convenient to stabilize during assembly or maintenance.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. The utility model provides an assembly of car door assembly and maintenance support, includes walking frame (1) and transversely installs fixed pipe (2) at walking frame (1) top both ends, its characterized in that: rectangular rotating shafts (3) penetrate through the fixed pipes (2) through transverse rotation of bearings, a limiting box (4) is fixedly connected to the outer end face of one fixed pipe (2), and the outer end of the rectangular rotating shaft (3) movably penetrates out of the limiting box (4) and is fixedly connected with a first hand wheel; four sliding sleeves (5) are sleeved on a shaft body of the rectangular rotating shaft (3) in an equidistance sliding manner, circular grooves are formed in the front end face and the rear end face of each sliding sleeve (5), each circular groove is connected with an adjusting disc (6) in a rotating manner through a rotating shaft, the front end face of each adjusting disc (6) protrudes out of the corresponding circular groove and is vertically and fixedly connected with a fixed cylinder (7), a supporting rod (8) is vertically movably inserted in each fixed cylinder (7), an anti-falling block is installed at the top end of each supporting rod (8), a threaded hole is longitudinally formed in the top of the front end face of each supporting rod (8), and a connecting screw rod (9) which is longitudinally arranged is connected in each threaded hole;
a limiting component for limiting the rotation of the rectangular rotating shaft (3) is arranged in the limiting box (4); the pushing cavities are formed in the cylinder bodies on the two sides of the fixed cylinder (7), and positioning mechanisms for limiting and fixing the supporting rods (8) are arranged in the pushing cavities; guide sliding blocks (17) are fixedly connected to two sides of the upper end and the lower end of the inner wall of the fixed cylinder (7), and stabilizing strip grooves (16) matched with the guide sliding blocks (17) are vertically formed in two sides of the supporting rod (8); the front end face and the rear end face of one side of the sliding sleeve (5) are fixedly connected with positioning boxes (10), and locking mechanisms for limiting the angle of the adjusting disc (6) are arranged in the positioning boxes (10);
the positioning mechanism comprises locking blocks (19) movably arranged in the middle of the inner walls of two sides of the fixed cylinder (7), a partition plate vertically arranged in the pushing cavity, pushing columns (21) transversely movably arranged at the upper end and the lower end of the inner wall of the pushing cavity, a lead screw (22) transversely rotatably arranged at the upper end and the lower end of the inner side surface of the partition plate, a transmission cavity arranged above the pushing cavity and a transmission assembly arranged in the transmission cavity, wherein the inner ends of the pushing columns (21) movably penetrate into the inner ring of the fixed cylinder (7) and are fixedly connected with the outer wall of the locking blocks (19), the outer end surface of each pushing column (21) is matched with the lead screw (22) to be provided with a threaded hole channel, and a rod body of the lead screw (22) is connected to the inner part of the threaded hole channel of the lead screw (22); the outer end of the locking block (19) is made of hard materials, the inner end of the locking block (19) is of a trapezoidal block structure, and the main body of the inner end of the locking block (19) is made of rubber materials; a plurality of anti-sliding convex strips are longitudinally arranged on the inner end surface of the locking block (19) at equal intervals; a friction glue layer is arranged inside the stabilizing strip groove (16);
the transmission assembly comprises an annular opening formed in the top surface in the transmission cavity, a rotating sleeve (18) vertically and rotatably connected into the annular opening, transmission shafts (20) vertically and rotatably arranged on two sides of the top surface in the transmission cavity, a transmission gear (25) fixedly sleeved on a shaft body on the upper portion of the transmission shaft (20) and a transmission gear ring (26) fixedly sleeved on the outer wall of the lower portion of the rotating sleeve (18), and the outer end of the lead screw (22) movably penetrates through the partition plate and is fixedly connected with a worm gear (24); the transmission gear ring (26) is in meshing transmission with the transmission gear (25), the bottom end of the transmission shaft (20) movably penetrates into the pushing cavity, and a pair of worm sleeves (23) matched with the worm wheel (24) is sleeved on a shaft body of the transmission shaft (20) positioned in the pushing cavity;
the locking mechanism comprises a positioning toothed ring (27) fixedly sleeved on the outer wall of the adjusting disc (6), a circular groove formed in the upper end and the lower end of the inner wall of one side of the positioning groove, a positioning push block (28) arranged in the circular groove in a sliding mode, a connecting rod transversely and fixedly connected to the outer side surface of the positioning push block (28), a push plate (30) movably arranged in the positioning box (10), a pull rod (31) transversely and rotatably connected to the middle of the outer side surface of the push plate (30) and a thrust spring (32) movably sleeved on the pull rod (31), a threaded pipe is transversely arranged in the middle of the outer side surface of the positioning box (10), the outer end of the pull rod (31) movably penetrates out of the threaded pipe and is fixedly connected with a handle, and an external thread matched with the threaded pipe is arranged on the outer wall of a rod body at the inner end of the pull rod (31); the outer end of the connecting rod movably penetrates into the positioning box (10) to be fixedly connected with the push plate (30); the inner side surface of the positioning push block (28) is arc-surface-shaped, and a plurality of positioning teeth (29) matched with the positioning toothed ring (27) are arranged on the inner side surface of the positioning push block (28) at equal intervals.
2. The vehicle door assembly assembling and maintaining bracket as claimed in claim 1, wherein: a through hole is formed in one side of the top of the sliding sleeve (5), a rubber sleeve is vertically and fixedly connected inside the through hole, a pin rod (11) is vertically inserted inside the rubber sleeve, and a plurality of positioning grooves matched with the pin rod (11) are formed in the top surface of the rectangular rotating shaft (3) at equal intervals; the bottom end of the pin rod (11) is inserted into the positioning groove; the front end and the rear end of the inner walls of the upper end and the lower end of the sliding sleeve (5) are provided with a plurality of stable balls in a rolling clamping manner at equal intervals, and the ball bodies exposed by the stable balls are movably abutted against the outer wall of the rectangular rotating shaft (3).
3. The vehicle door assembly assembling and maintaining bracket as recited in claim 1, wherein: the limiting assembly comprises a threaded cylinder vertically penetrating through the middle of the top surface of the limiting box (4), a screw rod (12) vertically connected to the inside of the threaded cylinder, a second hand wheel fixedly connected to the top end of the screw rod (12), and a limiting arc plate (13) horizontally slidably arranged in the upper portion of the limiting box (4), wherein the bottom end of the screw rod (12) is rotatably connected with the top surface of the limiting arc plate (13), an annular limiting groove is formed in a shaft body of the rectangular rotating shaft (3) positioned in the limiting box (4), an anti-sliding rubber sleeve (14) is sleeved on the inner wall of the limiting groove, an anti-sliding rubber layer (15) is arranged on the inner arc surface of the limiting arc plate (13), and the anti-sliding rubber layer (15) is abutted to the anti-sliding rubber sleeve (14); the cross section of the limiting arc plate (13) is in a T-shaped surface shape, the lower parts of the plate bodies on the two sides of the limiting arc plate (13) are fixedly connected with butt glue layers, and the outer side surfaces of the butt glue layers are abutted to the side walls of the limiting grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210964523.2A CN115042138B (en) | 2022-08-12 | 2022-08-12 | Car door assembly assembles and maintains support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210964523.2A CN115042138B (en) | 2022-08-12 | 2022-08-12 | Car door assembly assembles and maintains support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115042138A CN115042138A (en) | 2022-09-13 |
| CN115042138B true CN115042138B (en) | 2023-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210964523.2A Active CN115042138B (en) | 2022-08-12 | 2022-08-12 | Car door assembly assembles and maintains support |
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| CN (1) | CN115042138B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006005681A1 (en) * | 2006-02-03 | 2007-08-09 | Martin Dillmann | Assembly stand for all types of objects, has base part that has two or multiple stand base, column that is fixed at cross connection of stand base, where height adjusting extension arm is fixed |
| CN109079485B (en) * | 2018-09-28 | 2023-10-27 | 上海奥林汽车安全系统有限公司 | Device for assembling automobile door hinge |
| CN210704500U (en) * | 2019-10-08 | 2020-06-09 | 日轩汽车科技(常州)有限公司 | Quick assembly adjustment tool for white automobile body and door of automobile |
| CN210549226U (en) * | 2019-10-12 | 2020-05-19 | 苏州马兰特精密机械有限公司 | Automobile door welding tool clamp |
| CN113334328B (en) * | 2021-05-28 | 2023-04-18 | 郑州铁路职业技术学院 | Vehicle braking unit turnover device for rail transit maintenance |
| CN113788426A (en) * | 2021-09-16 | 2021-12-14 | 嘉兴金鹏工具有限公司 | Safe type auto repair support with supplementary function |
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Effective date of registration: 20230223 Address after: 409100 friendship group, Jinzhang village, Xialu Town, Shizhu Tujia Autonomous County, Chongqing Applicant after: CHONGQING HAIQING NEW MATERIAL Co.,Ltd. Address before: 210000 room 015, building 07, JIAYE Plaza, Shangyuan Second Street, Dongshan street, Jiangning District, Nanjing, Jiangsu Province Applicant before: Nanjing Mingfei auto supplies Co.,Ltd. |
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