CN210550643U

CN210550643U - Positioning fixture for outer pipe of large shaft sleeve of front lower swing arm

Info

Publication number: CN210550643U
Application number: CN201921454776.5U
Authority: CN
Inventors: 江雄伟; 任晶晶; 江振伟
Original assignee: Wuhan Perkins Technology Co Ltd
Current assignee: Wuhan Perkins Technology Co Ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-05-19
Anticipated expiration: 2029-09-03

Abstract

The utility model provides a big axle sleeve outer tube positioning fixture of preceding lower swing arm, including axle sleeve urceolus and swing arm body, its characterized in that still includes the anchor clamps body, and the anchor clamps body includes the embedded location bush on the inner wall of axle sleeve urceolus, wear to be equipped with the support spindle in the location bush, still be equipped with spacing arch between the inner wall of support spindle and location bush, spacing protruding one end fixed connection in the support spindle, the other end has cup jointed the extensible member; still seted up on the lateral wall of location bush can with the spacing recess of extensible member looks adaptation, the utility model discloses a fixed mounting has the location bush on the inner wall of axle sleeve urceolus to at the built-in supporting spindle of establishing of axle sleeve urceolus, utilize the mutual joint cooperation of spacing recess of seting up on the extensible member that cup joints at the spacing arch of supporting spindle and the location bush, thereby accomplished the location chucking of supporting spindle to the axle sleeve urceolus, the positioning accuracy of increase axle sleeve urceolus reduces installation error.

Description

Positioning fixture for outer pipe of large shaft sleeve of front lower swing arm

Technical Field

The utility model relates to an auto-parts technical field, concretely relates to big axle sleeve outer tube positioning fixture of preceding lower swing arm.

Background

At present, what the preceding swing arm under of vehicle chassis suspension was adopted usually is the important intermediate junction spare that is used for forming to be connected between frame and the wheel, and preceding swing arm is including the big axle sleeve of preceding swing arm down, preceding swing arm little axle sleeve and preceding swing arm body down, and preceding swing arm big axle sleeve of swing arm down often leans on the manual work to weld the installation according to operation experience when installing the assembly, and the positioning accuracy that this kind of mode often leads to the big axle sleeve of preceding swing arm down is not high, and installation error is great, for this reason, the utility model provides a preceding big axle sleeve outer tube positioning fixture of swing arm down effectively improves the technical defect of above-mentioned current situation.

Disclosure of Invention

An object of the utility model is to overcome the not enough of above-mentioned technique, provide a big axle sleeve outer tube positioning fixture of preceding lower swing arm, the positioning accuracy who aims at solving the big axle sleeve outer tube of current preceding lower swing arm is not high, the big technical problem of installation error.

In order to achieve the technical purpose, the utility model provides a big axle sleeve outer tube positioning fixture of preceding lower swing arm, including axle sleeve urceolus and swing arm body, still include the anchor clamps body, and the anchor clamps body includes the position bush that inlays on the inner wall of axle sleeve urceolus, wear to be equipped with the support dabber in the position bush, still be equipped with spacing arch between the inner wall of support dabber and position bush, spacing arch one end is fixed connection in the support dabber, the other end is then cup jointed the extensible member; the side wall of the positioning bush is also provided with a limiting groove which can be matched with the telescopic piece, and the limiting bulge is matched with the telescopic piece through the limiting groove and is abutted to the positioning bush.

Further, the other end of the relative spacing recess of extensible member still is equipped with overspeed device tensioner, just overspeed device tensioner cup joints fixed mounting and is in on the supporting core axle, overspeed device tensioner includes hollow structure's casing, the inner chamber of casing still is equipped with reset spring, reset spring one end weld in the supporting core axle, other end then fixedly connected with can along the inner chamber lateral wall of casing carries out the gliding solid fixed sliding block of vertical direction.

Further, an arc-shaped groove matched with the fixed sliding block is further formed in the telescopic piece, and the reset spring is matched with the telescopic piece in an abutting mode through the fixed sliding block and the arc-shaped groove.

Furthermore, a connecting sleeve is further sleeved on the supporting mandrel, one end of the connecting sleeve is abutted to the side end face of the telescopic piece, a fixed pressing plate is sleeved at the other end of the connecting sleeve, and a plurality of fixing holes are formed in the fixed pressing plate.

Furthermore, the fixing hole is internally and threadedly connected with a fixing screw, the fixing screw penetrates through the fixing hole and is embedded into the swing arm body, and the fixing pressing plate is detachably and washable connected with the swing arm body through the matching of the fixing screw and the fixing hole.

The utility model discloses compare in prior art following beneficial effect as follows: the utility model discloses a fixed mounting has the location bush on the inner wall of axle sleeve urceolus, and establish the supporting mandrel in the axle sleeve urceolus, the spacing recess joint cooperation each other of seting up on the extensible member that the spacing arch of utilization cup jointed at the supporting mandrel and the location bush, thereby the location chucking of supporting mandrel axle sleeve urceolus has been accomplished, the positioning accuracy of increase axle sleeve urceolus, reduce installation error, recycle simultaneously and install the fixed pressing plate of epaxial at the supporting mandrel and pass through set screw fixed connection on the swing arm body, thereby realize the fixed locking with the swing arm body of axle sleeve urceolus, the installation accuracy is improved.

Drawings

The invention will be further explained with reference to the following figures and examples:

FIG. 1 is a schematic view of the installation of the middle shaft sleeve outer cylinder and the swing arm body of the present invention

FIG. 2 is a perspective view of the middle shaft sleeve outer cylinder of the present invention

3 FIG. 3 3 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 in 3 FIG. 31 3

FIG. 4 is a partial enlarged view of B in FIG. 3

FIG. 5 is a partial enlarged view of C in FIG. 3

In the figure: the clamp comprises a shaft sleeve outer barrel 1, a swing arm body 2, a clamp body 3, an expansion piece 4, a limiting groove 5, a tensioning device 6, an arc-shaped groove 7, a connecting sleeve 8, a fixed pressing plate 9, a fixing hole 10, a fixing screw 11, a positioning bush 30, a supporting core shaft 31, a limiting protrusion 32, a shell 60, a reset spring 61 and a fixed sliding block 62.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the above objects, the following detailed description of the embodiments, structures, features and effects of the present invention will be made with reference to the accompanying drawings and preferred embodiments, it should be understood that the embodiments described in the present invention are only used for explaining the present invention, and are not used for limiting the present invention.

Referring to fig. 1-5, the present invention provides a positioning fixture for a large shaft sleeve outer tube of a front lower swing arm, comprising a shaft sleeve outer tube 1 and a swing arm body 2, and further comprising a fixture body 3, wherein the fixture body 3 comprises a positioning bush 30 embedded in the inner wall of the shaft sleeve outer tube 1, and the positioning bush 30 is fixedly clamped and mounted on the side wall of the shaft sleeve outer tube 1, and the positioning bush 30 can be adjusted on the side wall of the shaft sleeve outer tube 1 according to the mounting requirement, so as to increase the positioning range of the positioning bush 30 and improve the mounting accuracy of the positioning bush 30, and meanwhile, a supporting mandrel 31 is arranged in the positioning bush 30, wherein one end of the supporting mandrel 31 is fixedly connected to the swing arm body 2, a limiting protrusion 32 is further arranged between the supporting mandrel 31 and the inner wall of the positioning bush 30, one end of the limiting protrusion 32 is fixedly connected to the supporting mandrel 31, and the other end is sleeved with a, when the shaft sleeve outer cylinder 1 is positioned, the telescopic piece 4 sleeved on the limiting protrusion 32 and the limiting groove 5 formed in the side wall of the positioning bush 30 are matched and clamped, so that the axial limiting of the shaft sleeve outer cylinder 1 on the supporting core shaft 31 is completed, and the positioning precision of the shaft sleeve outer cylinder 1 is improved; meanwhile, in order to reduce the radial installation error of the extensible member 4 along the support mandrel 31, a tensioning device 6 is further installed at one end, opposite to the support mandrel 31, of the extensible member 4, the tensioning device 6 comprises a fixed sliding block 62 capable of sliding in the vertical direction along the side wall of the inner cavity of the shell 60, an arc-shaped groove 7 matched with the fixed sliding block 62 is further formed in the extensible member 4, and the return spring 61 is matched with the arc-shaped groove 7 through the fixed sliding block 62 and is abutted to the extensible member 4; when the cover established the extensible member 4 on spacing arch 32 not effective with spacing recess 5 in close contact with, this moment through reset spring 61 restoring force promote fixed slider 62 along casing 60's inner wall part roll-off casing 60 outside, and part roll-off casing 60 outer fixed slider 62 will be embedded rather than matched with arc recess 7 in, and push up extensible member 4 and spacing recess 5 in close fit, thereby accomplish axle sleeve urceolus 1 supporting the radial spacing of dabber, to this, the utility model discloses a positioning bush 30 carries out axial positioning and spacing protruding 32 radial spacing to axle sleeve urceolus 1 along supporting spindle 31 to axle sleeve urceolus 1, thereby the effectual positioning accuracy who has improved axle sleeve 1, consequently also reduced the installation error in its installation.

In a preferred embodiment, as shown in fig. 3 and 5, the support core shaft 31 is further sleeved with a connection sleeve 8, the connection sleeve 8 can slide along the axial direction of the support core shaft 31, and the axial movement of the extensible member 4 under the pushing force of the fixed sliding block 62 is limited by adjusting the sliding displacement of the connection sleeve 8 on the support core shaft 31, so that the axial positioning deviation of the sleeve outer cylinder 1 is caused, and the mounting and positioning accuracy of the sleeve outer cylinder is reduced. And when the connecting sleeve 8 is installed, one end of the connecting sleeve abuts against the side end face of the telescopic piece 4, the other end of the connecting sleeve is sleeved with a fixing pressing plate 9, a plurality of fixing holes 10 are formed in the fixing pressing plate 9, a fixing screw 11 is connected with the inner thread of each fixing hole 10, the fixing screw 11 penetrates through the fixing hole 10 to be embedded into the swing arm body 2, and the fixing pressing plate 9 is detachably connected with the swing arm body 2 through the matching of the fixing screw 11 and the fixing hole 10. By adopting the structure, the supporting mandrel 31 is fixedly locked on the swing arm body 2 through the fixing screw 11 on the fixing pressure plate 9, so that the supporting mandrel 31 is fixedly locked, the installation precision is improved, and the assembly error is reduced.

The specific working process is as follows:

when the swing arm works, firstly, a supporting mandrel 31 fixedly connected to a swing arm body 2 is sleeved in an inner cavity of a shaft sleeve outer cylinder 1, then, an extensible part 4 is sleeved through a limiting protrusion 32 fixedly connected to the supporting mandrel 31, the extensible part 4 is pushed to move towards the direction close to a positioning bush 30 under the action of the restoring force of a return spring 61, and finally, the extensible part 4 is in clamping fit with a limiting groove 5 formed in the positioning bush 30, so that the displacement of the shaft sleeve outer cylinder 1 along the axial direction of the supporting mandrel 31 is limited; finally, the displacement of the telescopic part 4 along the vertical direction is limited by the limiting bulge 32, so that the radial displacement of the shaft sleeve outer cylinder 1 is indirectly limited, the positioning precision of the shaft sleeve outer cylinder 1 is effectively improved, and the installation error of the shaft sleeve outer cylinder 1 is further reduced.

The utility model provides a big axle sleeve outer tube positioning fixture of preceding lower swing arm, there is positioning bush 30 through fixed mounting on the inner wall at axle sleeve urceolus 1, and at 1 built-in support mandrel 31 of axle sleeve urceolus, utilize the mutual joint cooperation of 5 spacing recesses of seting up on the extensible member 4 that cup joint at the spacing arch 32 of support mandrel 31 and positioning bush 30, thereby accomplished the location chucking of support mandrel 31 to axle sleeve urceolus 1, increase the positioning accuracy of axle sleeve urceolus 1, reduce installation error, recycle simultaneously and install the stationary platen 9 on support mandrel 31 and pass through fixing screw 11 fixed connection on swing arm body 2, thereby realize axle sleeve urceolus 1 with swing arm body 2's fixed locking, improve the installation accuracy.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. The positioning clamp for the outer pipe of the large shaft sleeve of the front lower swing arm comprises a shaft sleeve outer cylinder (1) and a swing arm body (2), and is characterized by further comprising a clamp body (3), wherein the clamp body (3) comprises a positioning bushing (30) embedded on the inner wall of the shaft sleeve outer cylinder (1), a supporting mandrel (31) penetrates through the positioning bushing (30), a limiting bulge (32) is further arranged between the supporting mandrel (31) and the inner wall of the positioning bushing (30), one end of the limiting bulge (32) is fixedly connected to the supporting mandrel (31), and the other end of the limiting bulge is sleeved with a telescopic piece (4); the side wall of the positioning bush (30) is further provided with a limiting groove (5) which can be matched with the telescopic piece (4), and the limiting protrusion (32) is matched with the positioning bush (30) through the limiting groove (5) and the telescopic piece (4) to be abutted against the positioning bush (30).

2. The outer tube positioning fixture for the large shaft sleeve of the front lower swing arm according to claim 1, wherein a tensioning device (6) is further disposed at the other end of the telescopic member (4) opposite to the limiting groove (5), the tensioning device (6) is fixedly sleeved on the supporting mandrel (31), the tensioning device (6) comprises a hollow shell (60), a return spring (61) is further disposed in an inner cavity of the shell (60), one end of the return spring (61) is welded to the supporting mandrel (31), and the other end of the return spring is fixedly connected with a fixed sliding block (62) capable of sliding in the vertical direction along the inner cavity side wall of the shell (60).

3. The outer pipe positioning fixture for the large shaft sleeve of the front lower swing arm according to claim 2, wherein an arc-shaped groove (7) matched with the fixed sliding block (62) is further formed in the telescopic part (4), and the return spring (61) is matched with the arc-shaped groove through the fixed sliding block (62) and is abutted to the telescopic part (4).

4. The outer pipe positioning fixture for the large shaft sleeve of the front lower swing arm according to claim 1, wherein a connecting sleeve (8) is further sleeved on the supporting mandrel (31), one end of the connecting sleeve (8) abuts against the side end face of the telescopic piece (4), a fixed pressing plate (9) is sleeved on the other end of the connecting sleeve (8), and a plurality of fixing holes (10) are formed in the fixed pressing plate (9).

5. The outer pipe positioning fixture for the large shaft sleeve of the front lower swing arm according to claim 4 is characterized in that a fixing screw (11) is connected to the inner thread of the fixing hole (10), the fixing screw (11) penetrates through the fixing hole (10) to be embedded into the swing arm body (2), and the fixing pressing plate (9) is detachably connected with the swing arm body (2) through the matching of the fixing screw (11) and the fixing hole (10).