Press fitting device for automobile adjusting arm bushing

Abstract

The utility model provides a press fitting device for an automobile adjusting arm bush, which comprises a bow-shaped frame, a nut seat is arranged on the upper side of the bow-shaped frame, and a supporting seat is arranged on the lower side of the bow-shaped frame corresponding to an adjusting arm. A lead screw nut is arranged in the nut seat and is in threaded connection with the transmission lead screw, a screwing piece is arranged at the upper end of the transmission lead screw, and a press fitting seat is arranged at the lower end of the transmission lead screw; a through hole is formed in the center of the supporting seat and is coaxial with the lead screw nut, the inner diameter of the through hole is larger than the outer diameter of the lining and smaller than the outer diameter of the adjusting arm, an arc-shaped limiting piece is arranged on the edge of the upper side of the supporting seat and is coaxial with the through hole of the supporting seat, and a placing gap corresponding to the adjusting arm is reserved between the two ends of the arc-shaped limiting piece. The press-fitting device for the automobile adjusting arm bushing has the advantages of being scientific in design and easy and convenient to operate, and is suitable for daily maintenance and replacement of the bushing.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bush assembly equipment, specifically to a kind of press-fitting device of automobile adjusting arm bush. BACKGROUND

[0002] Automobile adjusting arm (Controlarm, also known as swing arm) as the guiding and force transmission element of automobile suspension system, transmits various forces on the wheel to the vehicle body; At the same time, it ensures that the wheel moves along a certain trajectory. The automobile adjusting arm (including the bush and ball head connected thereto) should have sufficient stiffness, strength and service life; During suspension installation, the stabilizer bar link rod is connected to the transverse stabilizer bar through a rubber bush at one end, and is connected to the adjusting arm or cylinder shock absorber through a rubber bush or ball joint at the other end. The transverse stabilizer bar link rod is used symmetrically in the home, which improves the stability of operation.

[0003] During the assembly of automobile adjusting arm and bush, a press-fitting device is needed to press the bush into the mounting hole of the automobile adjusting arm. There are many press-fitting devices on the market, such as the automobile adjusting arm bush press-fitting device disclosed in Chinese patent CN206010343U, the automobile adjusting arm bush press-fitting device disclosed in Chinese patent CN221695918U, etc. However, these devices are mostly used in the automobile production process and are not suitable for replacing the bush of the automobile adjusting arm during subsequent maintenance by maintenance personnel.

[0004] In order to solve the above problems, people have been seeking an ideal technical solution. UTILITY MODEL CONTENTS

[0005] The utility model aims at the deficiencies of prior art, and provides a kind of press-fitting device of automobile adjusting arm bush.

[0006] In order to achieve the above purpose, the utility model employs the technical scheme of:

[0007] A kind of press-fitting device of automobile adjusting arm bush, including bow-shaped frame, nut seat is set on the upper side of bow-shaped frame, support seat is set on the lower side of bow-shaped frame corresponding to adjusting arm;Nut seat is provided with lead screw nut, lead screw nut is connected with transmission lead screw thread, the upper end of transmission lead screw is provided with screwing piece, the lower end of transmission lead screw is provided with press-fitting seat;The center of support seat is provided with through hole, the through hole is coaxial with lead screw nut, the inner diameter of the through hole is greater than the outer diameter of bush and less than the outer diameter of adjusting arm, the upper side edge of support seat is provided with arc limit piece, arc limit piece is coaxial with the through hole of support seat, and the arc limit piece leaves a play gap corresponding to adjusting arm between both ends.

[0008] The pressing seat comprises a pressing table, and a first positioning groove is arranged on the lower side of the pressing table, the inner diameter of the first positioning groove is adapted to the inner sleeve ring of the bushing, and the depth of the first positioning groove is adapted to the length of the inner sleeve ring extending out of the outer sleeve ring of the bushing.

[0009] The top of the lead screw is provided with a second positioning groove, and the lower end of the screwing piece is provided with a positioning protrusion corresponding to the second positioning groove, and the positioning protrusion is inserted into the second positioning groove.

[0010] The second positioning groove is a cross-shaped insertion groove.

[0011] The middle side of the arc-shaped frame is connected with a fixed connecting rod, the outer end of the fixed connecting rod is provided with a fixed sleeve, a plurality of threaded through holes are arranged on the side wall away from the arc-shaped frame of the fixed sleeve, and a positioning bolt is arranged in each threaded through hole.

[0012] The screwing piece is an electric screwing piece or a manual screwing piece.

[0013] The inner part of the first positioning groove and / or the upper surface of the supporting seat is provided with a positioning magnet.

[0014] Compared with the prior art, the automobile adjusting arm bushing pressing device has the advantages of scientific design and simple operation, and is suitable for daily maintenance and replacement of the bushing. Specifically, when the bushing needs to be removed, the automobile adjusting arm can be placed on the upper side of the supporting seat, the bushing is coaxially aligned with the through hole of the supporting seat, then the lead screw is rotated to drive the pressing seat to press downward until the bushing is pressed out; when the bushing needs to be installed, the automobile adjusting arm is also placed on the upper side of the supporting seat, the bushing is coaxially aligned with the through hole of the supporting seat, the bushing is placed between the automobile adjusting arm and the pressing seat, and the lead screw is also rotated to drive the pressing seat to press downward until the bushing is pressed into the mounting hole of the automobile adjusting arm. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is a structural schematic view (one) of the utility model.

[0016] Fig. 2 is a structural schematic view (two) of the utility model.

[0017] In the figure: 1. arc-shaped frame; 2. nut seat; 3. supporting seat; 4. transmission lead screw; 5. screwing piece; 6. pressing seat; 7. bushing; 8. fixed connecting rod; 9. fixed sleeve; 10. positioning bolt; 11. arc-shaped limiting piece; 12. first positioning groove. DETAILED DESCRIPTION

[0018] The technical scheme of the utility model will be described in further detail below through specific embodiments.

[0019] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. "Mounting", "provided with", "connection" and the like can adopt conventional means in prior art, for example: integrally provided, clamping installation, welding connection, adhesive connection, bolt connection and the like. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances, and suitable connection, setting or mounting mode is selected in prior art.

[0020] As shown in Figs. 1-2 A kind of press fitting device of automobile adjusting arm bushing, including bow frame 1, the upper side of bow frame is provided with nut seat 2, the lower side of bow frame is provided with support seat 3 corresponding adjusting arm;Nut seat 2 is provided with lead screw nut, lead screw nut is connected with transmission screw 4 thread, the upper end of transmission screw 4 is provided with screwing piece 5, the lower end of transmission screw 4 is provided with press fitting seat 6;The center of support seat 3 is provided with through hole, the through hole is coaxial with lead screw nut, the inner diameter of the through hole is greater than the outer diameter of bushing 7 and less than the outer diameter of adjusting arm, the upper side edge of support seat 3 is provided with arc limiting piece 11, arc limiting piece 11 is coaxial with the through hole of support seat 3, the ends of arc limiting piece 11 between corresponding adjusting arm leave out to place gap, facilitate the placement of automobile adjusting arm.

[0021] The press fitting device of automobile adjusting arm bushing has the advantages of scientific design and simple operation, and is suitable for routine maintenance and replacement of bushing. Specifically, when the sleeve needs to be removed, the automobile adjusting arm can be placed on the upper side of the support seat, the bushing is coaxially aligned with the through hole of the support seat, then the transmission screw is rotated to press the press fitting seat downward until the bushing is pressed out. When the bushing needs to be installed, the automobile adjusting arm is also placed on the upper side of the support seat, the bushing is coaxially aligned with the through hole of the support seat, the bushing is placed between the automobile adjusting arm and the press fitting seat, and the transmission screw is also rotated to press the press fitting seat downward until the bushing is pressed into the mounting hole of the automobile adjusting arm.

[0022] In one embodiment, the press fitting seat 6 includes a press table, the lower side of the press table is provided with a first positioning groove 12, the inner diameter of the first positioning groove 12 is adapted to the inner sleeve ring of the bushing 7, and the depth of the first positioning groove 12 is adapted to the length of the inner sleeve ring extending out of the outer sleeve ring of the bushing 7, facilitating positioning of the bushing.

[0023] In one embodiment, the top of the lead screw is provided with a second positioning groove, and the lower end of the screwing piece 5 is provided with a positioning protrusion corresponding to the second positioning groove, the positioning protrusion is inserted into the second positioning groove, facilitating connection of the screwing piece and the transmission screw.

[0024] In one of the embodiments, the second positioning slot is a cross-shaped slot.

[0025] In one of the embodiments, the middle part of the arch-shaped frame 1 is connected with a fixed connecting rod 8, the outer end of the fixed connecting rod 8 is provided with a fixed sleeve 9, the fixed sleeve 9 is provided with a plurality of threaded through holes away from the side wall of the arch-shaped frame, and a positioning bolt 10 is correspondingly installed in each threaded through hole.

[0026] In one of the embodiments, the rotating part 5 is a manual rotating part 5.

[0027] In one of the embodiments, the inside of the first positioning slot 12 and / or the upper surface of the supporting seat 3 is provided with a positioning magnet, which facilitates positioning and avoids deviation.

[0028] The above embodiments can be combined with each other.

[0029] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the specific embodiments of the present application can still be modified or some technical features can be replaced by equivalent ones; without departing from the spirit of the technical scheme of the present application, all of them should be covered in the technical scheme range of the present application claimed by the present application.

Claims

1. A press-fitting device for a bushing of an automobile control arm, characterized by: The arch-shaped frame is provided with a nut seat on the upper side, and a support seat corresponding to the adjusting arm is arranged on the lower side; a lead screw nut is arranged in the nut seat, the lead screw nut is threadedly connected with a transmission lead screw, the upper end of the transmission lead screw is provided with a screwing piece, and the lower end of the transmission lead screw is provided with a press-fitting seat; a through hole is formed in the center of the support seat, the through hole is coaxial with the lead screw nut, the inner diameter of the through hole is greater than the outer diameter of the bushing and less than the outer diameter of the adjusting arm, an arc-shaped limiting piece is arranged on the upper side edge of the support seat, the arc-shaped limiting piece is coaxial with the through hole of the support seat, and a placing gap is left between the two ends of the arc-shaped limiting piece corresponding to the adjusting arm.

2. The press fitting device for a bushing of an automobile control arm according to claim 1, characterized by: The press-fitting seat comprises a press table, and the lower side of the press table is provided with a first positioning groove, the inner diameter of the first positioning groove is adapted to the inner sleeve ring of the bushing, and the depth of the first positioning groove is adapted to the length of the inner sleeve ring extending out of the outer sleeve ring of the bushing.

3. The press fitting device for a bushing of an automobile control arm according to claim 2, characterized in that: The top of the lead screw is provided with a second positioning groove, and the lower end of the screwing piece is provided with a positioning protrusion corresponding to the second positioning groove, and the positioning protrusion is inserted into the second positioning groove.

4. The press fitting device for a bushing of an automobile control arm according to claim 3, characterized by: The second positioning groove is a cross-shaped insertion groove.

5. The press fitting device for a bushing of an automobile control arm according to claim 4, characterized in that: The middle side of the arch-shaped frame is connected with a fixed connecting rod, the outer end of the fixed connecting rod is provided with a fixed sleeve, a plurality of threaded through holes are arranged on the side wall away from the arch-shaped frame of the fixed sleeve, and a positioning bolt is correspondingly arranged in each threaded through hole.

6. The press fitting device for a bushing of an automobile control arm according to claim 5, characterized by: The screwing piece is an electric screwing piece or a manual screwing piece.

7. The press fitting device for a bushing of an automobile control arm according to claim 6, characterized by: The first positioning groove and / or the upper surface of the support seat is provided with a positioning magnet.

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