CN219339125U

CN219339125U - Composite clamp for automobile leaf spring without riveting

Info

Publication number: CN219339125U
Application number: CN202223153183.XU
Authority: CN
Inventors: 嵇海良
Original assignee: Zhejiang Yonglian Auto Parts Co ltd
Current assignee: Zhejiang Yonglian Auto Parts Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-07-14
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a riveting-free composite clamp for an automobile leaf spring, which comprises a U-shaped fixing clamp, wherein a distance adjusting device is arranged inside a U-shaped arm of the U-shaped fixing clamp, and a fixing device is arranged between U-shaped arms of the U-shaped fixing clamp. According to the utility model, by arranging the interval adjusting device, the function of adjusting the interval between the U-shaped fixed clamp and the U-shaped movable clamp can be achieved by only rotating the threaded rod and matching with the connecting block on the U-shaped movable clamp, and the steel plate spring pieces with different thicknesses can be clamped, so that the applicability of the device is improved.

Description

Composite clamp for automobile leaf spring without riveting

Technical Field

The utility model relates to the technical field of automobile suspension systems, in particular to a riveting-free composite clamp for an automobile leaf spring.

Background

The leaf spring is an elastic element which is most widely applied in an automobile suspension, and is an elastic beam with approximately equal strength, which is formed by combining a plurality of alloy spring pieces with equal widths and unequal lengths; the both ends of leaf spring are fixed in the automobile body below, and when leaf spring atress, utilize the elasticity of car leaf spring self, reach the effect of buffering pressure force, and at present domestic commercial car's leaf spring is many with the clamp as the stop device that prevents reed lateral shifting, and traditional clamp is very limited to leaf spring lateral limiting action, leads to reed lateral shifting, and leaf spring performance and reliability decline, and then influence other cooperation parts, produce abnormal wear and abnormal sound.

As disclosed in chinese patent publication No. CN209365798U, a U-shaped leaf spring clip device is disclosed, in use, the openings of the first U-shaped clip body and the second U-shaped clip body face the side of the leaf spring. The plate spring is pushed in from the opening end of the side face of the first U-shaped clamp body, the first U-shaped clamp body is connected with the lowest piece of the steel plate spring through the rivet hole, the side face of the first U-shaped clamp body is tightly attached to the antifriction pad of the first U-shaped clamp body, and the rest steel plate spring pieces are pushed in from the opening end of the side face of the first U-shaped clamp body until all the side faces of the steel plate spring pieces are tightly attached to the antifriction pad of the first U-shaped clamp body; the second U-shaped clamp body is pushed in from the side open end of the first U-shaped clamp body, so that the opening directions of the second U-shaped clamp body and the first U-shaped clamp body are consistent, and the second antifriction pad of the second U-shaped clamp body is tightly attached to the side face of the steel plate spring piece. The upper horizontal connecting part and the lower horizontal connecting part of the first U-shaped clamp body and the second U-shaped clamp body are respectively connected by two pairs of bolts and nuts, so that the purpose is to avoid the connection of one bolt, the first U-shaped clamp body and the second U-shaped clamp body clamp are caused to bend and deform in the bolt tightening process, and then the bolt head and the U-shaped clamp mating surface are caused to have gaps, so that the problem of failure of the bolt is avoided.

However, in the U-shaped leaf spring clip device in the above application, the distance between the two clip bodies is fixed, when the thickness of the leaf spring in the U-shaped leaf spring changes in the face of different vehicle types, the device cannot adjust the distance, and the U-shaped leaf spring clip device cannot well play a role in fixing, and has a limited application range, so that the U-shaped leaf spring clip device has a use limitation.

Disclosure of Invention

The utility model aims to provide a riveting-free composite clamp for an automobile leaf spring, which solves the problems that in the prior art, the distance between two clamp bodies is fixed, when the thickness of a leaf spring in the clamp body changes facing different automobile types, the device cannot adjust the distance, the fixing effect cannot be well achieved, and the application range is limited.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the composite clamp for the riveting-free automobile leaf spring comprises a U-shaped fixing clamp, wherein a space adjusting device is arranged inside a U-shaped arm of the U-shaped fixing clamp, and a fixing device is arranged between U-shaped arms of the U-shaped fixing clamp;

the space adjusting device comprises a cross connecting block, a threaded rod, a threaded block, a rotating bearing and a fixing rod, wherein the cross connecting block is arranged at the center of the top of the left arm of the U-shaped fixing clamp, the bottom of the cross connecting block is fixedly connected with the threaded rod, the bottom of the threaded rod is fixedly connected with the threaded block, the threaded block is arranged in the rotating bearing, the rotating bearing is arranged in the left arm of the U-shaped fixing clamp, and the fixing rod is arranged in the right arm of the U-shaped fixing clamp and corresponds to the threaded rod in position;

the fixing device comprises a U-shaped movable clamp, a connecting block, a fixing block, a first antifriction gasket and a second antifriction gasket, wherein the U-shaped movable clamp is arranged between U-shaped arms of the U-shaped fixed clamp, one end of the connecting block is fixedly connected to the top of the left outer surface of the U-shaped movable clamp, the other end of the connecting block is sleeved on a threaded rod, one end of the fixing block is fixedly connected to the top of the right outer surface of the U-shaped movable clamp, the other end of the fixing block is sleeved on a fixing rod, a notch for the connecting block and the fixing block to pass through is formed in the U-shaped arms of the U-shaped fixed clamp, the first antifriction gasket is arranged on the bottom arm of the U-shaped fixed clamp, and the second antifriction gasket is arranged at the bottom of the U-shaped movable clamp.

The cross connecting block drives the threaded rod to rotate, and then drives the connecting block to move up and down, so that the function of adjusting the distance between the U-shaped fixed clamp and the U-shaped movable clamp is achieved. The connecting block and the fixed block slide at the notch to adjust the interval between the two clamping bands, and meanwhile, the limiting effect is achieved.

The further improvement is that the center of the top of the left arm of the U-shaped fixed clamp is provided with a connecting groove, and the cross connecting block is rotationally arranged in the connecting groove; the left arm of the U-shaped fixed clamp hoop positioned below the connecting groove is internally provided with a rotating groove, and the threaded rod is rotationally arranged in the rotating groove; the bearing bin is arranged in the left arm of the U-shaped fixed clamp hoop below the rotating groove, and the rotating bearing is arranged in the bearing bin; the right arm of the U-shaped fixing clamp is internally provided with a fixing groove, and the upper end and the lower end of the fixing rod are respectively and fixedly connected with the surfaces of the upper side and the lower side of the fixing groove.

The rotary bearing is arranged in the bearing bin and rotates along with the rotation of the threaded rod, so that the in-situ rotation of the threaded rod can be realized, and the effect of pulling the connecting block to move up and down is achieved.

The further improvement lies in, run through on the connecting block and offered the screw hole with threaded rod screw-thread fit, the connecting block passes through the screw hole cover and locates the surface of threaded rod, runs through on the fixed block and offered the fixed orifices, the fixed block passes through the fixed orifices slip cap and locates the surface of dead lever.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, by arranging the interval adjusting device, the function of adjusting the interval between the U-shaped fixed clamp and the U-shaped movable clamp can be achieved by only rotating the threaded rod and matching with the connecting block on the U-shaped movable clamp, and the steel plate spring pieces with different thicknesses can be clamped, so that the applicability of the device is improved.

2. According to the utility model, the fixing device is arranged to clamp the steel plate spring piece between the U-shaped fixed clamp and the U-shaped movable clamp, and the two antifriction pads are arranged, so that the abrasion and vibration of the steel plate spring piece are reduced, the service life of the steel plate spring piece is prolonged, and the effect of reducing noise is also achieved.

Drawings

Fig. 1 is a schematic elevational view of the present utility model.

Fig. 2 is a schematic top view of the present utility model.

Fig. 3 is a schematic cross-sectional elevation view of the present utility model.

Fig. 4 is an exploded view of the spacing adjustment device of the present utility model.

In the figure: 1. u-shaped fixing clamp; 101. a connecting groove; 102. a rotating groove; 103. a bearing bin; 104. a fixing groove; 105. notch threaded rod; 203. a screw block; 204. a rotating bearing; 205. a fixed rod; 3. a fixing device; 301. a U-shaped movable clamp; 302. a connecting block; 303. a fixed block; 304. a first antifriction pad; 305. and a second antifriction pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: a composite clamp for a rivetless automobile leaf spring comprises a U-shaped fixing clamp 1, wherein a distance adjusting device 2 is arranged in a U-shaped arm of the U-shaped fixing clamp 1, and a fixing device 3 is arranged between the U-shaped arms of the U-shaped fixing clamp 1;

the space adjusting device 2 comprises a cross connecting block 201, a threaded rod 202, a thread block 203, a rotating bearing 204 and a fixing rod 205, wherein the cross connecting block 201 is arranged at the center of the top of the left arm of the U-shaped fixing clamp 1, the bottom of the cross connecting block 201 is fixedly connected with the threaded rod 202, the bottom of the threaded rod 202 is fixedly connected with the thread block 203, the thread block 203 is arranged in the rotating bearing 204, the rotating bearing 204 is arranged in the left arm of the U-shaped fixing clamp 1, and the fixing rod 205 is arranged in the right arm of the U-shaped fixing clamp 1 and corresponds to the threaded rod 202 in position;

the fixing device 3 comprises a U-shaped movable clamp 301, a connecting block 302, a fixing block 303, a first antifriction pad 304 and a second antifriction pad 305, wherein the U-shaped movable clamp 301 is arranged between U-shaped arms of the U-shaped fixed clamp 1, one end of the connecting block 302 is fixedly connected to the top of the left outer surface of the U-shaped movable clamp 301, the other end of the connecting block 302 is sleeved on the threaded rod 202, one end of the fixing block 303 is fixedly connected to the top of the right outer surface of the U-shaped movable clamp 301, the other end of the fixing block 303 is sleeved on the fixing rod 205, the U-shaped arms of the U-shaped fixed clamp 1 are provided with notches 105 for the connecting block 302 and the fixing block 303 to pass through, the first antifriction pad 304 is arranged on bottom arms of the U-shaped fixed clamp 1, and the second antifriction pad 305 is arranged at the bottom of the U-shaped movable clamp 301.

The cross connection block 201 drives the threaded rod 202 to rotate, and the rotation of the threaded rod 202 drives the connection block 302 to move up and down, so that the function of adjusting the distance between the U-shaped fixed clamp 1 and the U-shaped movable clamp 301 is achieved. The connecting block 302 and the fixing block 303 slide at the notch to adjust the interval between the two clips, and also play a limiting role.

In this embodiment, a connecting slot 101 is formed in the center of the top of the left arm of the U-shaped fixing clip 1, and a cross connecting block 201 is rotatably disposed in the connecting slot 101; a rotating groove 102 is formed in the left arm of the U-shaped fixed clamp 1 below the connecting groove 101, and a threaded rod 202 is rotatably arranged in the rotating groove 102; the bearing bin 103 is arranged in the left arm of the U-shaped fixed clamp 1 below the rotating groove 102, and the rotating bearing 204 is arranged in the bearing bin 103; the right arm of the U-shaped fixing clamp 1 is internally provided with a fixing groove 104, and the upper end and the lower end of a fixing rod 205 are respectively and fixedly connected to the upper side surface and the lower side surface of the fixing groove 104.

The rotating bearing 204 is arranged in the bearing bin 103, and the rotating bearing 204 rotates along with the rotation of the threaded rod 202, so that the in-situ rotation of the threaded rod 202 can be realized, and the effect of pulling the connecting block 302 to move up and down is achieved.

In this embodiment, a threaded hole in threaded engagement with the threaded rod is formed in the connection block 302, the connection block 302 is sleeved on the outer surface of the threaded rod 202 through the threaded hole, a fixing hole is formed in the fixing block 303 in a penetrating manner, and the fixing block 303 is sleeved on the outer surface of the fixing rod 205 through the fixing hole in a sliding manner.

When the automobile steel plate spring piece is used, firstly, the automobile steel plate spring piece is placed between the U-shaped fixed clamp 1 and the U-shaped movable clamp 301, according to the specific thickness of the automobile steel plate spring piece, the cross connecting block 201 is screwed by the cross screwdriver to rotate in the connecting groove 101, meanwhile, the threaded rod 202 is driven to rotate, the threaded rod 202 rotates to drive the threaded block 203 to rotate in the rotating bearing 204, the rotating bearing 204 is arranged, the threaded rod 202 can rotate in situ, the threaded rod 202 rotates to drive the connecting block 302 at the left side of the U-shaped movable clamp 301 to move upwards or downwards in the threaded rod 202, the fixing block 303 also moves upwards or downwards along with the fixing rod 205, so that the automobile steel plate spring piece is clamped or loosened, the first antifriction pad 304 arranged at the inner side of the U-shaped fixed clamp 1 and the second antifriction pad 305 arranged at the bottom of the U-shaped movable clamp 301 are clung to two sides of the automobile steel plate spring piece, abrasion and vibration of the steel plate spring piece are reduced, the service life of the steel plate spring piece is prolonged, and meanwhile the noise is reduced.

Claims

1. The utility model provides a exempt from compound clamp for car leaf spring of riveting, includes U type fixed clamp (1), its characterized in that: a space adjusting device (2) is arranged inside the U-shaped arms of the U-shaped fixed clamp (1), and a fixing device (3) is arranged between the U-shaped arms of the U-shaped fixed clamp (1);

the interval adjusting device (2) comprises a cross connecting block (201), a threaded rod (202), a threaded block (203), a rotating bearing (204) and a fixing rod (205), wherein the cross connecting block (201) is arranged at the center of the top of the left arm of the U-shaped fixing clamp (1), the bottom of the cross connecting block (201) is fixedly connected with the threaded rod (202), the bottom of the threaded rod (202) is fixedly connected with the threaded block (203), the threaded block (203) is arranged in the rotating bearing (204), the rotating bearing (204) is arranged in the left arm of the U-shaped fixing clamp (1), and the fixing rod (205) is arranged in the right arm of the U-shaped fixing clamp (1) and corresponds to the position of the threaded rod (202);

fixing device (3) are including U type activity clamp (301), connecting block (302), fixed block (303), first antifriction liner (304), second antifriction liner (305), U type activity clamp (301) set up between the U type arm of U type activity clamp (1), connecting block (302) one end fixed connection is at the left side surface top of U type activity clamp (301), threaded rod (202) are located to connecting block (302) other end cover, fixed block (303) one end fixed connection is at the right side surface top of U type activity clamp (301), fixed block (303) other end cover is located on dead lever (205), notch (105) that U type fixed clamp (1) are gone up and are used for connecting block (302) and fixed block (303) to pass are offered on the U type arm of U type fixed clamp (1) first antifriction liner (304), second antifriction liner (305) set up in the bottom of U type activity clamp (301).

2. The rivetless composite clip for an automotive leaf spring of claim 1, wherein: the center of the top of the left arm of the U-shaped fixed clamp (1) is provided with a connecting groove (101), and a cross connecting block (201) is rotatably arranged in the connecting groove (101); a rotating groove (102) is formed in the left arm of the U-shaped fixed clamp (1) below the connecting groove (101), and a threaded rod (202) is rotatably arranged in the rotating groove (102); a bearing bin (103) is arranged in the left arm of the U-shaped fixed clamp (1) below the rotating groove (102), and a rotating bearing (204) is arranged in the bearing bin (103); the right arm of the U-shaped fixing clamp (1) is internally provided with a fixing groove (104), and the upper end and the lower end of a fixing rod (205) are respectively and fixedly connected to the surfaces of the upper side and the lower side of the fixing groove (104).

3. The rivetless composite clip for an automotive leaf spring of claim 1, wherein: the connecting block (302) is provided with a threaded hole in a penetrating mode, the threaded hole is matched with the threaded rod in a threaded mode, the connecting block (302) is sleeved on the outer surface of the threaded rod (202) through the threaded hole, the fixing block (303) is provided with a fixing hole in a penetrating mode, and the fixing block (303) is sleeved on the outer surface of the fixing rod (205) through the fixing hole in a sliding mode.