CN211684552U - Clamp, plate spring assembly and vehicle - Google Patents

Abstract

The present disclosure relates to a clamp, a plate spring assembly and a vehicle. This clamp includes: the body is formed into a U shape and provided with an inner side and an outer side, and two ends of the body are respectively provided with first through holes which are oppositely arranged; the limiting structure is arranged between the two ends of the body to form an annular structure which allows the part to be tightly clamped to pass through with the body; the first connecting pieces are provided with first stopping portions and first connecting portions, the first stopping portions stop at the outer sides of the first through holes, and the first connecting portions penetrate through the first through holes from the outer sides to the inner sides of the body and are detachably connected with the limiting structures. First connecting piece is only first backstop portion and is located the outside of clamp, can not treat other structures around the clamp and cause the interference to, first connecting portion set up in the inboard of body, can suitably increase effective cooperation length, improve the stability of connecting.

Description

Clamp, plate spring assembly and vehicle

Technical Field

The utility model relates to a clamp technical field specifically, relates to a clamp and leaf spring assembly, vehicle.

Background

The hoop of the steel plate spring is an important component of a steel plate spring assembly and has the function of preventing all the steel plate springs from being dislocated, but the existing hoop is fastened together through bolts and nuts, namely, the bolts penetrate through joints of the hoop body and are screwed and limited at the tail ends of the bolts through the nuts, and when the tail ends of the bolts are exposed out of the nuts, the nuts are easy to fall off from the bolts due to looseness, so that the hoop is ineffective; when the tail end of the bolt is exposed out of the nut, the tail end of the bolt is easy to interfere with adjacent parts and damage other parts.

SUMMERY OF THE UTILITY MODEL

The purpose of this disclosure is to provide a clamp and leaf spring assembly, vehicle, this clamp connection stability is strong, and can not cause the interference to adjacent component.

In order to achieve the above object, the present disclosure provides a clamp band including: the body is formed into a U shape and provided with an inner side and an outer side, and two ends of the body are respectively provided with first through holes which are oppositely arranged; the limiting structure is arranged between the two ends of the body to form an annular structure which allows the part to be tightly clamped to pass through with the body; the first connecting pieces are provided with first stopping portions and first connecting portions, the first stopping portions stop at the outer sides of the first through holes, and the first connecting portions penetrate through the first through holes from the outer sides to the inner sides of the body and are detachably connected with the limiting structures.

Optionally, the first through hole is formed as a counterbore in which the first stopper is received; or the aperture of the first through hole is gradually reduced from outside to inside, and the first stopping part is formed into a wedge-shaped structure matched with the shape of the first through hole.

Optionally, the first connecting element includes a first bolt, the first stopper is a head of the first bolt, the first connecting portion is a screw of the first bolt, the limiting structure is configured to be a column shape, two ends of the limiting structure are respectively provided with an axially extending threaded hole, and the first connecting portion passes through the first through hole and is in threaded fit with the threaded hole of the limiting structure.

Optionally, the threaded holes are blind holes, and the sections between the threaded holes are of solid structures; or the threaded hole is a through hole and penetrates through the axial direction of the limiting structure.

Optionally, the outer peripheral wall of the limiting structure is further formed with a stamping groove which is recessed along the radial direction, the stamping groove is located on the section where the threaded hole is matched with the first connecting piece, teeth which correspond to the stamping groove and are deformed due to stamping are formed on the internal thread of the threaded hole, and the teeth are in interference fit with the screw rod.

Optionally, the first connecting element includes a second bolt and a first nut, the first stopper is a head of the second bolt, the first connecting portion is a screw of the second bolt, the limiting structure is n-shaped and includes a middle portion and two side portions, a second through hole is formed in the side portion, the first connecting portion penetrates through the first through hole and the second through hole, and the two side portions are fastened to the body through the first nut.

Optionally, the clamp further includes a second connecting member, the second connecting member includes a second stopping portion, a second connecting portion and a second nut, a third through hole has been opened in the middle section of the limiting structure, the axis of the third through hole and the axis of the first through hole are arranged perpendicular to each other, an external thread adapted to the second nut is formed on the second connecting portion, the second stopping portion stops on the member to be tightened, and the second connecting portion passes through the third through hole from the inside of the limiting structure towards the outside and is in threaded fit with the second nut.

Optionally, the body includes the bottom plate and is located respectively the curb plate on the relative both sides limit of bottom plate, the curb plate is arranged perpendicularly same one side of bottom plate, the fourth through-hole has been seted up on the bottom plate, the clamp still includes the third connecting piece, the third connecting piece includes third backstop portion and third connecting portion and third nut, third backstop portion backstop is in treat tight hoop on, the third connecting portion are followed the inboard of bottom plate is passed towards the outside the fourth through-hole, and with third nut screw-thread fit.

Another aspect of the present disclosure also provides a leaf spring assembly including a leaf spring and a yoke as described above.

Yet another aspect of the present disclosure also provides a vehicle including a leaf spring assembly as described above.

Through the technical scheme, only the first stopping part of the first connecting piece is positioned on the outer side of the clamp, excessive space outside the clamp is not occupied, and after the clamp is arranged on the part to be clamped, interference on other structures around the part to be clamped is avoided; in addition, first connecting portion set up in the inboard of body, and its shape and size can not receive the installation environment's in the outside restriction, further avoid it to interfere other spare parts around treating the cramp to, first connecting portion also can not receive the installation environment's in the outside restriction with limit structure's effective cooperation length, can suitably increase effective cooperation length, improve the stability of connecting.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a schematic view of a clamp of an embodiment of the present disclosure assembled with a member to be tightened;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of a clamp according to another embodiment of the present disclosure;

FIG. 4 is a schematic view of a clamp construction according to yet another embodiment of the present disclosure;

fig. 5 is a schematic view of a clamp according to yet another embodiment of the present disclosure.

Description of the reference numerals

1. A body; 11. an inner side; 12. an outer side; 13. a base plate; 14. a side plate;

2. a limiting structure; 21. punching a groove; 22. an intermediate portion; 23. an edge portion;

3. a first connecting member; 31. a first stopper portion; 32. a first connection portion; 33. a first nut;

4. a second connecting member; 41. a second stopper portion; 42. a second connecting portion; 43. a second nut;

5. a third connecting member; 51. a third stopper portion; 52. a third connecting portion; 53. a third nut;

100. clamping a hoop; 200. and (5) a member to be tightened.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise specified, the terms of orientation or positional relationship such as "inside" and "outside" are used to indicate an orientation or positional relationship based on that shown in the drawings, and are only for convenience of describing the present disclosure, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present disclosure. In addition, it is to be understood that the terms "first," "second," and the like are used for distinguishing one element from another, and are not necessarily order nor importance. In addition, in the description with reference to the drawings, the same reference numerals in different drawings denote the same elements.

The disclosed embodiment provides a clamp 100, as shown in fig. 1 to 5, the clamp 100 includes a body 1, a limiting structure 2, and two first connecting members 3, wherein:

the body 1 is formed into a U shape and is provided with an inner side 11 and an outer side 12, and two ends of the body 1 are respectively provided with first through holes which are oppositely arranged; here, the inner side 11 is a side close to the center of gravity of the body 1 and is also a side indicated by an arrow 11 in the drawing, and the outer side 12 is a side facing away from the inner side 11 and is also a side indicated by an arrow 12 in the drawing.

The limiting structure 2 is arranged between two ends of the body 1 to form an annular structure with the body 1 for allowing the piece to be tightly hooped 200 to pass through; the member 200 to be clamped of the present disclosure may be any structural member that requires the clamp 100 to be connected, for example, a plate spring, a pipe, a connecting rod, etc., which is not limited by the present disclosure.

Two first connecting pieces 3 are respectively arranged at two ends of the body 1, the first connecting pieces 3 are provided with first stopping parts 31 and first connecting parts 32, the first stopping parts 31 are stopped at the outer sides 12 of the first through holes, and the first connecting parts 32 penetrate through the first through holes from the outer sides 12 to the inner sides 11 of the body 1 and are detachably connected with the limiting structures 2. Here, the first blocking portion 31 may be formed in various shapes as long as the radial size thereof is larger than the aperture of the first through hole, for example, the cross section of the first blocking portion 31 may be circular, diamond, polygonal, or configured in a bar shape extending radially, which is not limited by the present disclosure.

According to the above technical solution, since only the first blocking portion 31 of the first connecting member 3 is located on the outer side 12 of the clamp 100, it does not occupy excessive space outside, and after the clamp 100 is installed on the member to be tightened 200, it does not interfere with other structures around the member to be tightened 200; in addition, first connecting portion 32 sets up in inboard 11 of body 1, and its shape and size can not receive the installation environment's of outside 12 restriction, further avoid it to interfere other spare parts around waiting to clamp 200 to, the effective fit length of first connecting portion 32 and limit structure 2 also can not receive the installation environment's of outside 12 restriction, can suitably increase effective fit length, improves the stability of connecting.

In order to make the outer side 12 of the body 1 of the clamp 100 more flat, in one embodiment of the present disclosure, the first through hole is formed as a counter bore in which the first stop portion 31 is accommodated; or as shown in fig. 4 and 5, the aperture of the first through hole is gradually reduced from outside to inside, and the first blocking portion 31 is formed as a wedge-shaped structure matched with the shape of the first through hole. Thus, the clamp 100 can adapt to a more severe installation environment, which is beneficial to make the overall structure more compact.

The embodiment of the present disclosure further provides two different forms of the position limiting structure 2, which will be described in detail below, but the form of the position limiting structure 2 is not limited thereto.

In a first example, as shown in fig. 1 to 3, the first connecting member 3 may include a first bolt, the first stopping portion 31 is a head portion of the first bolt, the first connecting portion 32 is a screw rod of the first bolt, the limiting structure 2 is configured to be columnar, two ends of the limiting structure are respectively provided with an axially extending threaded hole, and the first connecting portion 32 passes through the first through hole and is in threaded fit with the threaded hole of the limiting structure 2. The mode of screw-thread fit installs very simply to first connecting piece 3 forms symmetrical structure at limit structure 2's both ends, need adapt to outside installation environment and assemble for asymmetric clamp 100 among the correlation technique, the clamp 100 of this disclosure need not to consider the installation environment of the outside of treating clamp 100 spare when the assembly, and it is more convenient to install.

In the embodiment of the present disclosure, as shown in fig. 3, the threaded holes of the limiting structure 2 may be blind holes, and the sections between the threaded holes are solid structures; thus, the strength of the limiting structure 2 can be improved, and the impact resistance and the extrusion resistance of the limiting structure 2 can be improved. Of course, when the clamp 100 of the present disclosure is applied in some application scenarios focusing on light weight, as shown in fig. 2, the threaded hole of the limiting structure 2 may also be a through hole and penetrate through the axial direction of the limiting structure 2, so as to reduce the weight of the whole structure.

In order to improve the thread fit stability of the first connecting piece 3 and the limiting structure 2, as shown in fig. 1 to 3, the outer peripheral wall of the limiting structure 2 is further formed with a punching groove 21 which is radially recessed, the punching groove 21 is located on a section where the threaded hole is matched with the first connecting piece 3, and the internal thread of the threaded hole is formed with teeth which correspond to the punching groove 21 and are deformed by punching, and the teeth are in interference fit with the screw rod. For example, after the screw hole is machined in the limiting structure 2, for example, the thread shape of the screw hole may be circular; then, the outer side 12 of the threaded hole is punched to form a punching groove 21, and the teeth of the thread of the inner side 11 corresponding to the punching groove 21 are deformed by punching, for example, the tooth shape of the threaded hole is deformed into an ellipse at the moment; finally, when screwing the first connecting piece 3 into the threaded hole of the limiting structure 2, the deformed teeth can form tooth interference fit with the external threads of the first connecting piece 3, so that the thread fit stability of the first connecting piece 3 and the limiting structure 2 can be improved.

In another embodiment of the present disclosure, a deformed tooth may be machined at a certain position of the external thread of the first connection portion 32 to be in interference fit with the threaded hole of the limit structure 2.

In a second example, as shown in fig. 4 and 5, the first connecting member 3 includes a second bolt and a first nut 33, the first stop portion 31 is a head portion of the second bolt, the first connecting portion 32 is a screw rod of the second bolt, the limiting structure 2 is formed in an n-shape and includes a middle portion 22 and two side portions 23, a second through hole is opened on the side portion 23, the first connecting portion 32 penetrates through the first through hole and the second through hole, and the two side portions 23 are fastened to the body 1 by the first nut 33. The n-type limiting structure 2 is simpler to process, and the middle part 22 is formed into a sheet shape, so that the contact area with the to-be-clamped piece 200 can be increased, and the phenomenon that the surface of the to-be-clamped piece 200 is damaged due to overlarge stress when the to-be-clamped piece 200 is pressed is avoided.

Here, when the second bolt is coupled to the first nut 33, the length of the screw may be increased to prevent the first nut 33 from being loosened, and the screw may be inserted into the inner side 11 of the band 100, so that it may not interfere with other external components.

In the embodiment of the present disclosure, after the clamp 100 is mounted on the member to be fastened 200, in order to prevent the clamp 100 from moving in the axial direction of the member to be fastened 200, the clamp 100 and the member to be fastened 200 may be detachably fixedly connected by a connecting member (e.g., the second connecting member 4 and the third connecting member 5, which will be mentioned below), the position of which may be set as needed, and the present disclosure does not limit this.

In an example of the present disclosure, the clamp 100 further includes a second connecting member 4, the second connecting member 4 includes a second stopping portion 41, a second connecting portion 42 and a second nut 43, a third through hole is opened in the middle section of the limiting structure 2, an axis of the third through hole is perpendicular to an axis of the first through hole, an external thread adapted to the second nut 43 is formed on the second connecting portion 42, the second stopping portion 41 is stopped on the member 200 to be tightened, and the second connecting portion 42 passes through the third through hole from the inner side 11 toward the outer side 12 of the limiting structure 2 and is in threaded fit with the second nut 43. Here, as shown in fig. 3, when the limiting structure 2 is formed in a column shape, a section between the threaded holes of the limiting structure 2 may be solid to ensure structural strength, and of course, in other embodiments of the present disclosure, a section between the threaded holes of the limiting structure 2 may also be hollow, which is not limited by the present disclosure. As shown in fig. 5, if the position limiting structure 2 is an n-type structure, the middle portion 22 thereof may be provided with a third through hole. In this way, the second nut 43 can limit the axial displacement of the clamping band 100 on the component 200 to be clamped.

In another example of the present disclosure, as shown in fig. 2 and 4, the body 1 includes a bottom plate 13 and side plates 14 respectively located at two opposite sides of the bottom plate 13, the side plates 14 are vertically arranged at the same side of the bottom plate 13, a fourth through hole is opened on the bottom plate 13, the clamp 100 further includes a third connecting member 5, the third connecting member 5 includes a third stopping portion 51, a third connecting portion 52 and a third nut 53, the third stopping portion 51 is stopped on the member to be tightened 200, and the third connecting portion 52 passes through the fourth through hole from the inner side 11 toward the outer side 12 of the bottom plate 13 and is in threaded fit with the third nut 53. In this way, the third nut 53 limits the axial displacement of the clamping band 100 on the component 200 to be clamped.

According to the two examples, compared with the scheme of riveting by rivets in the related art, the second connecting piece 4 and the third connecting piece 5 in the embodiment of the disclosure are respectively limited by matching nuts, so that when the clamp 100 and the piece 200 to be tightened are disassembled, two components do not need to be damaged, and the maintenance cost is saved.

Embodiments of the present disclosure also provide a leaf spring assembly that includes a leaf spring and a bail 100 as described above. That is, the above-mentioned member to be clamped 200 is a plate spring formed by stacking a plurality of spring leaves, and the clamp 100 is used for clamping the plurality of spring leaves together.

The disclosed embodiments also provide a vehicle comprising a leaf spring assembly as described above.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, various possible combinations will not be separately described in this disclosure.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. A clamp, comprising:

the body (1) is formed into a U shape and provided with an inner side (11) and an outer side (12), and two ends of the body (1) are respectively provided with first through holes which are oppositely arranged;

the limiting structure (2) is arranged between two ends of the body (1) and surrounds the body (1) to form an annular structure allowing the part (200) to be clamped to penetrate through;

the two first connecting pieces (3), each first connecting piece (3) is provided with a first stopping portion (31) and a first connecting portion (32), each first stopping portion (31) is stopped at the outer side (12) of each first through hole, and each first connecting portion (32) penetrates through each first through hole from the outer side (12) to the inner side (11) of the body (1) and is detachably connected with the limiting structure (2).

2. Clamp according to claim 1, wherein the first through hole is formed as a counterbore in which the first stop (31) is accommodated; or

The aperture of the first through hole is gradually reduced from outside to inside, and the first stopping part (31) is formed into a wedge-shaped structure matched with the shape of the first through hole.

3. Clamp according to claim 1, wherein the first connection element (3) comprises a first bolt, the first stop portion (31) is a head of the first bolt, the first connection portion (32) is a shank of the first bolt, the stop structure (2) is configured to be cylindrical and has two axially extending threaded holes at its two ends, respectively, and the first connection portion (32) passes through the first through hole and is in threaded engagement with the threaded hole of the stop structure (2).

4. The clamp of claim 3, wherein the threaded bores are blind bores, and the sections between the threaded bores are of solid construction; alternatively, the first and second electrodes may be,

the threaded hole is a through hole and penetrates through the axial direction of the limiting structure (2).

5. Clamping band according to claim 3, characterized in that the outer circumferential wall of the stop structure (2) is further formed with a radially recessed punch groove (21), the punch groove (21) being located in the section of the threaded bore that engages with the first connecting part (3), and the threaded bore has an internal thread that is formed with punch-deformed teeth corresponding to the punch groove (21), which teeth are in interference fit with the threaded rod.

6. Clamp according to claim 1, wherein the first connecting element (3) comprises a second bolt and a first nut (33), the first stop portion (31) is a head portion of the second bolt, the first connecting portion (32) is a screw of the second bolt, the limiting structure (2) is formed in an n-shape and comprises an intermediate portion (22) and two side portions (23), a second through hole is opened in the side portion (23), the first connecting portion (32) is inserted in the first through hole and the second through hole, and the two side portions (23) are fastened to the body (1) by the first nut (33).

7. Clamp according to any of claims 1 to 6, wherein the clamp (100) further comprises a second connecting member (4), the second connecting member (4) comprises a second stop portion (41), a second connecting portion (42) and a second nut (43), the middle section of the limiting structure (2) is provided with a third through hole, the axis of the third through hole is perpendicular to the axis of the first through hole, the second connecting portion (42) is provided with an external thread adapted to the second nut (43), the second stop portion (41) is stopped on the member to be tightened (200), and the second connecting portion (42) passes through the third through hole from the inner side (11) to the outer side (12) of the limiting structure (2) and is in threaded fit with the second nut (43).

8. The clamp according to any one of claims 1-6, wherein the body (1) comprises a bottom plate (13) and side plates (14) respectively located on two opposite sides of the bottom plate (13), the side plates (14) are vertically arranged on the same side of the bottom plate (13), a fourth through hole is opened on the bottom plate (13), the clamp (100) further comprises a third connecting member (5), the third connecting member (5) comprises a third stopping portion (51), a third connecting portion (52) and a third nut (53), the third stopping portion (51) is stopped on the member to be tightened (200), and the third connecting portion (52) passes through the fourth through hole from the inner side (11) to the outer side (12) of the bottom plate (13) and is in threaded fit with the third nut (53).

9. A leaf spring assembly, characterized in that the leaf spring assembly comprises a leaf spring and a clamp (100) according to any one of claims 1-8.

10. A vehicle, characterized in that it comprises a leaf spring assembly according to claim 9.

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