CN217666185U

CN217666185U - Rotary seat and rivet pulling device

Info

Publication number: CN217666185U
Application number: CN202221689600.XU
Authority: CN
Inventors: 顾煌
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-10-28
Anticipated expiration: 2032-06-30

Abstract

The utility model provides a revolve seat and rivet device, this revolve the seat assembly on rivet device to constitute the rivet operation to the double-screw bolt that has the nut, and should revolve the seat and include pedestal and guide portion. The base body is connected to the rivet device, and a through hole allowing the stud to pass through is formed in the middle area of the base body; the guide part is fixedly connected on the base body and is in clearance fit with the stud so as to guide the axial movement of the stud when rivet pulling operation is carried out. The utility model discloses a revolve the seat, through the setting of pedestal, can ensure to revolve the seat and can install on rivet pulling device, improve the practicality. Through the setting of guide portion to can improve the straightness that hangs down between the back and the panel of rivet pulling double-screw bolt.

Description

Rotary seat and rivet pulling device

Technical Field

The utility model relates to a rivet gun technical field, in particular to revolve seat, the utility model discloses still relate to and be equipped with this rivet pulling device who revolves the seat.

Background

The modern automobile industry is revolutionizing that the traditional fuel automobile is gradually replaced by electric automobile. The power battery pack is used as one of core components of the electric automobile, is composed of components such as a battery module, a water cooling plate and a lower shell, and is fixed on the lower shell through a rivet stud between the water cooling plate and the lower shell aiming at the lower shell structure with the built-in water cooling plate. The rivet stud is composed of a stud and a nut, and the water-cooling plate is clamped on the lower shell through the self-collapsing deformation of the nut.

Due to the fact that the size of the power battery pack is larger and larger, the structural space design of the lower shell is compact, and therefore the positioning requirement of the water cooling plate on the lower shell is high. The rivet stud plays a role in fixing and positioning in the assembly of the water-cooling plate, so that after the rivet is riveted by using a rivet gun, the coaxiality of the stud and a nut of the rivet stud is closely related to the positioning of the cold plate.

The revolving seat bottom surface of traditional riveter sets up for the level, and the nut takes place to burst to contract when the rivet, easily forms the inconsistent condition of deformation, leads to eccentric problem to appear in nut and bolt, and the face that can't correspond with lower casing becomes the vertical state, causes that the battery package can't pack into down the casing internal.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a rotary seat for improving the verticality between the rivet stud and the plate.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a rotary seat is assembled on a rivet pulling device to form a rivet pulling operation for a stud with a nut, and comprises a seat body connected to the rivet pulling device, wherein a through hole allowing the stud to pass through is formed in the middle area of the seat body; the guide part is fixedly connected to the base body and is in clearance fit with the stud so as to guide the axial movement of the stud during rivet pulling operation

Further, the guide portion is configured as a plug portion extending downward from the bottom of the seat body, and the plug portion is inserted into a space between the stud and the nut when the stud is subjected to a rivet pulling operation.

Further, the insertion part is cylindrical.

Furthermore, a plurality of protrusions are formed on the outer surface of the insertion part and are distributed at intervals along the axial direction of the insertion part.

Furthermore, the cross section of the insertion part is gradually enlarged from the head part to the seat body.

Furthermore, the top of the seat body is provided with a connecting part, and the connecting part is arranged on the rivet pulling device.

Further, the connecting part is configured as a threaded body adapted to the rivet device and screwed to the rivet device.

Compared with the prior art, the utility model discloses following advantage has:

revolve the seat, through the setting of pedestal, can ensure to revolve the seat and can install on rivet pulling device, improve the practicality. Through the setting of guide portion to can improve the straightness that hangs down between the back and the panel of rivet pulling double-screw bolt.

In addition, through the setting of grafting portion to can ensure that grafting portion joint is between nut and double-screw bolt, stability when increasing the rivet. Simultaneously through bellied setting to can improve the frictional force of nut and grafting portion contact position, thereby avoid the nut to rock in the round hole of panel, improve the degree of consistency when the nut bursts to contract and warp, grafting portion establishes to the cross section grow gradually simultaneously, in can ensureing that grafting portion can insert the clearance of establishing between different nut and double-screw bolt, thereby improve the axiality of nut and double-screw bolt, further improve the degree of consistency when the nut bursts to contract and warp.

In addition, through the setting of connecting portion to the seat of revolving is installed on the rivet pulling device, and simultaneously, set up screw thread portion on the connecting portion, so that the installation of seat of revolving, and ensure to revolve the seat concentric with the dabber of rivet pulling device, further increase the straightness that hangs down with panel after the stud rivet pulling.

Another object of the present invention is to provide a rivet pulling device, which is equipped with the above-mentioned rotary seat.

Rivet device with revolve the beneficial effect that the seat has for prior art the same, no longer describe herein.

Drawings

The accompanying drawings, which form a part of the present disclosure, are provided to provide a further understanding of the present disclosure, and the exemplary embodiments and descriptions thereof are provided to explain the present disclosure, wherein the related terms in the front, back, up, down, and the like are only used to represent relative positional relationships, and do not constitute an undue limitation of the present disclosure. In the drawings:

fig. 1 is a schematic view of an overall structure of a rivet pulling device according to a second embodiment of the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1 according to a second embodiment of the present invention;

fig. 3 is a cross-sectional view of a rivet pulling device according to a second embodiment of the present invention;

FIG. 4 is an enlarged view of the portion B of FIG. 3 according to a second embodiment of the present invention;

fig. 5 is a cross-sectional view of a rotary base according to the first embodiment of the present invention.

Description of reference numerals:

1. a base body;

2. a through hole;

3. a guide section; 301. a plug-in part;

4. a connecting portion;

5. a nut;

6. a stud;

7. and (5) a rivet pulling device.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same item, but are to be construed as indicating or implying any particular importance.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

The present embodiment relates to a screw base which is assembled to a blind rivet device 7 to perform blind rivet operation of a stud 6 with a nut 5, and includes a base body 1 and a guide portion 3. The base body 1 is connected to the rivet pulling device 7, and a through hole 2 allowing the stud 6 to pass through is formed in the middle area of the base body 1; the guide part 3 is fixedly connected on the base body 1 and is in clearance fit with the stud 6 so as to guide the axial movement of the stud 6 during rivet pulling operation.

It should be noted that the through hole 2 is configured to enable a rivet screw to penetrate through the base body 1 to be in threaded engagement with a mandrel of the rivet pulling device 7, after the rivet pulling device 7 is started, the rivet pulling stud 6 completes rivet pulling according to rivet pulling force or stroke of a mandrel of a rivet pulling gun, at this time, the rivet pulling nut 5 collapses and deforms, and the deformed portion and the lower shell wall clamp and fix the water cooling plate, so that rivet pulling operation is completed.

In addition, the rivet pulling device 7 of this embodiment can select conventional rivet guns, can be convenient for use in the lower casing, improves the convenience, and the setting of guide 3 can ensure that the department of deformation of rivet nut 5 when collapsing and deforming is more even, avoids because rivet nut 5 warp inconsistent, and causes rivet stud 6 and rivet nut 5 to appear eccentric condition.

Based on the above general description, in the present embodiment, as shown in fig. 3 and 4, as an exemplary structure, the guide portion 3 is configured as a plugging portion 301 extending downward from the bottom of the housing 1, and when the stud 6 is rivet-pulled, the plugging portion 301 is inserted into the space between the stud 6 and the nut 5.

Specifically, the insertion portion 301 may be inserted between the stud 6 of the rivet stud 6 and the nut 5, that is, the insertion portion 301 abuts against the inner top wall of the threaded hole of the nut 5, and the top of the nut 5 is clamped on the plate by the insertion portion 301, so that eccentricity caused by shaking or tilting of the nut 5 during the rivet action can be avoided.

In order to improve the stability of the nut 5 during the clinching operation, in the present embodiment, as shown in fig. 4, the socket 301 is cylindrical. Due to the cylindrical arrangement, the plug-in part 301 can be in complete contact with the thread hole wall of the nut 5, the stability of the nut 5 during rivet pulling can be further ensured, and shaking or inclination can be avoided.

Preferably, as shown in fig. 5, the cross section of the plugging portion 301 of the present embodiment gradually increases from the head to the base 1, so that the plugging portion 301 can be inserted into the gaps between the different studs 6 and nuts 5, and the rigidity of the plugging portion 301 itself can be ensured, thereby improving the durability of use, and in addition, the coaxiality between the nuts 5 and the studs 6 can be improved, thereby improving the uniformity of the deformation of the nuts 5.

In a preferred embodiment, a plurality of protrusions are formed on the outer surface of the mating part 301 at intervals along the axial direction of the mating part 301. The protrusion is arranged on the outer surface of the insertion part 301, so that the friction force of the contact position of the nut 5 and the insertion part 301 can be increased, the eccentricity during riveting operation is avoided, and the uniformity during collapsing and deformation of the nut 5 can be ensured.

In order to facilitate the mounting of the screw base, in the present embodiment, as shown in fig. 1 and 2, a connecting portion 4 is provided on the top of the base body 1, the connecting portion 4 is provided on the blind rivet device 7, the connecting portion 4 is provided to enable the screw base to be mounted on the blind rivet gun, and preferably, the connecting portion 4 is configured as a threaded body adapted to the blind rivet device 7 and is screwed on the blind rivet device 7. The thread body is a thread arranged on the connecting part 4, is meshed with a thread of a hand riveter head to be fixed with the hand riveter and is concentric with the mandrel, and the screw can be ensured to carry out hand riveter operation.

According to the drawings 1 to 5, when the riveting device is used, the connecting part 4 is firstly screwed on the gun head of the riveting gun, then the whole riveting stud 6 is inserted into the through hole 2 of the rotary seat, the guide part 3 on the rotary seat is clamped in a gap between the stud 6 and the nut 5, the nut 5 is placed into a round hole of the lower shell and the water cooling plate through the riveting gun, at the moment, the rotary seat and the water cooling plate or the shell clamp the nut 5, the water cooling plate or the shell is perpendicular to the riveting stud 6, due to the clamping of the guide part 3, the inclination of the nut 5 during the riveting operation can be avoided, in addition, the uniformity of the deformation part when the nut 5 is shrunk and deformed can be ensured, and therefore the verticality of the riveting stud 6 and the water cooling plate or the shell is ensured.

The seat of revolving described in this embodiment, through the setting of pedestal 1, can ensure to revolve the seat and can install on rivet pulling device 7, improve the practicality. Through the setting of guide portion 3 to can improve the straightness that hangs down between the back and the panel of rivet stud 6 after the rivet.

Example two

The embodiment also relates to a rivet pulling device 7, and the rivet pulling device 7 is provided with the rotary base of the first embodiment.

The rivet pulling device 7 of the embodiment can improve the verticality in rivet pulling by adopting the rotary seat in the first embodiment, and can also improve the uniformity of the nut 5 in collapse deformation.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A screw base to be fitted on a blind rivet device (7) to constitute a blind rivet operation for a stud (6) with a nut (5), characterized in that it comprises:

the base body (1) is connected to the rivet pulling device (7), and a through hole (2) allowing the stud (6) to pass through is formed in the middle area of the base body (1);

and the guide part (3) is fixedly connected to the base body (1) and is in clearance fit with the stud (6) so as to guide the axial movement of the stud (6) during rivet pulling operation.

2. The screw base of claim 1, wherein:

the guide part (3) is configured as a plug-in part (301) extending downwards from the bottom of the seat body (1), and when the stud (6) is riveted, the plug-in part (301) is inserted into the space between the stud (6) and the nut (5).

3. The swivel according to claim 2, characterized in that:

the insertion part (301) is cylindrical.

4. The swivel according to claim 3, characterized in that:

a plurality of protrusions are formed on the outer surface of the insertion part (301) and are distributed at intervals along the axial direction of the insertion part (301).

5. The swivel according to claim 3, characterized in that:

the cross section of the insertion part (301) is gradually enlarged from the head to the base body (1).

6. The swivel according to any of claims 1 to 5, characterized in that:

the top of pedestal (1) is equipped with connecting portion (4), connecting portion (4) set up on rivet pulling device (7).

7. The swivel according to claim 6, characterized in that:

the connecting part (4) is designed as a threaded body adapted to the rivet device (7) and is screwed onto the rivet device (7).

8. The utility model provides a rivet device which characterized in that:

the blind rivet device (7) is provided with a swivel according to any one of claims 1 to 7.