Combined riveting rod and riveting gun

Abstract

The utility model discloses a combined type pull riveting rod and a pull riveting gun, the pull riveting rod comprises a connector and a rod body which is detachably arranged at the end part of the connector, the connector comprises a connecting rod and a nut sleeve which is assembled at the end part of the connecting rod in a threaded manner, the nut sleeve is provided with a mounting groove which is over against the end part of the connecting rod, and the connecting rod is connected with the mounting groove. A through hole is formed in the bottom of the mounting groove, the rod body penetrates through the through hole, one end of the rod body is provided with a locking part located in the mounting groove, the other end of the rod body extends out of the connector, and a locking part used for preventing the locking part from moving is assembled in the mounting groove; a limiting assembly is arranged between the nut sleeve and the connecting rod and used for preventing the nut sleeve from rotating relative to the connecting rod, and the combined rivet pulling rod is connected to a gun head of a rivet pulling gun. The utility model has the beneficial effects that the cost is saved, the rod body can be quickly and independently replaced, and the delay of excessive working hours is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of riveting guns, and particularly relates to a combined riveting rod. Background Art

[0002] A riveting gun, also known as a rivet gun or a blind rivet gun, is a tool for fastening connections, especially suitable for the fastening field of metal sheets and thin tubes. It solves the problems of easy melting of traditional welded nuts and easy slipping of internal threads during tapping. Through pneumatic or manual operation, riveting can be completed at one time without tapping or welding, thus improving work efficiency and product quality.

[0003] When the riveting rod of an electric riveting gun generates jumping teeth vibration during operation, it must bear the maximum torsional force and vibration instantaneously. Therefore, the riveting rod is prone to aging and extremely easy to be damaged after long-term use. In the existing structure of the riveting rod, the rod body part and the connecting seat part connected to the riveting gun are integrally designed. When the riveting rod is damaged, it is difficult to repair and needs to be replaced as a whole. The cost of the riveting rod is high, and unnecessary working hours and quality defects are likely to occur. Summary of the Utility Model

[0004] In view of this, the utility model provides a combined riveting rod, and its purpose is to realize the separate replacement of the rod body part at the front end of the riveting rod.

[0005] To achieve the above purpose, the technical solution of the utility model is as follows:

[0006] A combined riveting rod includes a connector and a rod body detachably installed at the end of the connector. The connector includes a connecting rod and a nut sleeve threadedly assembled at the end of the connecting rod. One end of the connecting rod away from the nut sleeve is used for being assembled on the gun head of the riveting gun. An installation groove is provided on the nut sleeve opposite to the end of the connecting rod. A through hole is provided at the bottom of the installation groove. The rod body passes through the through hole. One end of the rod body has a locking part located in the installation groove, and the other end extends to the outside of the connector. A locking component for preventing the locking part from moving is assembled in the installation groove;

[0007] A limiting component is provided between the nut sleeve and the connecting rod, and it is used for preventing the nut sleeve from rotating relative to the connecting rod.

[0008] With the above structure, the rod body is detachably installed on the riveting head. When the riveting rod is damaged, only the rod body part needs to be replaced, which saves costs, has stable installation and can be quickly disassembled, avoiding waste of too much working hours.

[0009] Preferably, the limiting component includes a sliding sleeve and a spring. The sliding sleeve and the spring are sleeved on the connecting rod. The sliding sleeve is slidably engaged with the connecting rod. A spring groove is provided at the end of the connecting rod away from the nut sleeve. The two ends of the spring respectively abut against the bottom of the spring groove and the end of the sliding sleeve. With the above structure, the sliding sleeve is connected to the nut sleeve, and the disassembly is convenient and fast.

[0010] Preferably, rectangular grooves are distributed at the end of the sliding sleeve, and protrusions matching the rectangular grooves are distributed at the end of the nut sleeve. The protrusions are embedded in the rectangular grooves, which can limit the rotation of the nut sleeve. With the above structure, the structure is simple and the nut sleeve can be prevented from rotating relative to the connecting rod.

[0011] Preferably, a stepped portion is provided at one end of the connecting rod close to the nut sleeve. External threads are provided circumferentially on the stepped portion. The connecting rod is connected to the nut sleeve through the external threads of the stepped portion. With the above structure, the structure is simple and the installation is convenient.

[0012] Preferably, an anti-rotation plane extending along the length direction is provided on the side wall of the connecting rod, and the inner wall of the sliding sleeve is adapted to the side wall of the connecting rod. With the above structure, the sliding sleeve and the connecting rod are prevented from rotating relative to each other.

[0013] Preferably, after the protrusion is embedded in the rectangular groove, the lower end of the sliding sleeve abuts against the stepped portion. With the above structure, the connecting rod is prevented from rotating relative to the nut sleeve.

[0014] Preferably, a locking pin is inserted in the sliding sleeve and the connecting rod in a direction perpendicular to the axis. With the above structure, the relative movement between the sliding sleeve and the connecting rod is restricted.

[0015] Preferably, the locking portion is a hexagonal prism. A hexagonal hole adapted to the hexagonal prism is provided at the lower end of the locking member. The outer wall of the locking member is adapted to the wall of the installation groove hole, and a fastening screw is clamped between the two. With the above structure, the rod body is prevented from rotating relative to the threaded sleeve.

[0016] The present utility model also provides a riveting gun, aiming to solve the technical defect that the existing riveting gun is prone to generate unnecessary working hours.

[0017] To achieve the above object, the technical solution of the present utility model is as follows:

[0018] A riveting gun, the gun head is connected to the combined riveting rod, and a threaded hole adapted to the gun head of the riveting gun is provided at the end of the connecting rod. With the above structure, the gun head and the riveting rod are connected. When the riveting rod is damaged, the rod body can be quickly replaced, and the working hours wasted are short.

[0019] Compared with the prior art, the beneficial effects of the present utility model are:

[0020] 1. By adopting the combined riveting rod provided by the present utility model, the detachable connection of the rod body is realized by using a simple mechanical structure. When the riveting rod is damaged, only the rod body part needs to be replaced, which saves costs, has a fast replacement speed, and shortens the working hours.

[0021] 2. A sliding sleeve is sleeved on the connecting rod. The connection between the sliding sleeve and the nut sleeve is provided with corresponding grooves and protrusions to limit their relative rotation. A locking pin is inserted in the sliding sleeve and the connecting rod internally in a direction perpendicular to the axis, ensuring the safe use of the riveting gun. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic structural diagram of the present utility model;

[0023] Figure 2 is a schematic structural diagram of the riveting head;

[0024] Figure 3 is an exploded view of the riveting head;

[0025] Figure 4 is a sectional view of the riveting head;

[0026] Figure 5 is a schematic connection diagram showing the locking part 11 and the locking component 5;

[0027] Figure 6 is a schematic diagram showing the shape of the middle section of the connecting rod 4;

[0028] Figure 7 is a schematic diagram showing the connection state of the fastening screw 10. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The present utility model will be further described below in conjunction with the embodiments and the drawings.

[0030] As Figure 3 and Figure 4 shown, a combined riveting rod includes a connector A and a rod body 1 detachably installed at the end of the connector A. The connector A includes a connecting rod 4 and a nut sleeve 3 threadedly assembled at the end of the connecting rod 4. One end of the connecting rod 4 away from the nut sleeve 3 is used to be assembled on the gun head 9 of the riveting gun. The nut sleeve 3 is provided with a mounting groove 31 facing the end of the connecting rod 4. The bottom of the mounting groove 31 is provided with a through hole 33. Both the mounting groove 31 and the through hole 33 are provided on the axis of the nut sleeve 3. The rod body 1 passes through the through hole 33. One end thereof has a locking part 11 located in the mounting groove 31, and the other end extends outside the connector A. A locking component 5 for preventing the locking part 11 from moving is assembled in the mounting groove 31. The rod body 1 is detachably installed on the riveting head. When the riveting rod is damaged, the rod body 1 can be quickly replaced separately, saving costs and avoiding wasting too much working hours.

[0031] As Figure 5 and Figure 7As shown, the locking part 11 is a hexagonal prism. The lower end of the locking component 5 is provided with a hexagonal hole adapted to the hexagonal prism. The outer wall of the locking component 5 is adapted to the hole wall of the installation groove 31. A semi-circular groove is provided along the axial direction on the side wall of the locking component 5, and the other half of the semi-circular groove is correspondingly provided on the side wall of the installation groove 31. A fastening screw 10 is clamped between the two semi-circular grooves. The locking part 11 can be any non-circular shape. The locking component 5 fixes the rod body 1 by cooperating with the locking part 11, and then is fixedly connected to the nut sleeve 3 through two fastening screws to prevent the rod body 1 from moving relative to the nut sleeve 3 when the riveting gun works.

[0032] As Figure 2 and Figure 3 shown, a limiting component B is provided between the nut sleeve 3 and the connecting rod 4, which is used to prevent the nut sleeve from rotating relative to the connecting rod 4. The limiting component B includes a sliding sleeve 6 and a spring 7. Both the sliding sleeve 6 and the spring 7 are sleeved on the connecting rod 4. The sliding sleeve 6 is slidably matched with the connecting rod 4. A spring groove 43 is provided at the end of the connecting rod 4 away from the nut sleeve 3. The two ends of the spring 7 respectively abut against the bottom of the spring groove 43 and the end of the sliding sleeve 6. One end of the connecting rod 4 close to the nut sleeve 3 is provided with a stepped portion 41. External threads are provided circumferentially on the stepped portion 41. The connecting rod 4 is connected to the nut sleeve 3 through the external threads of the stepped portion 41. After the protrusion 32 is embedded in the rectangular groove 61, the lower end of the sliding sleeve 6 abuts against the stepped portion 41. At this time, the spring 7 is in a compressed state and the connection is stable.

[0033] As Figure 3 and Figure 6 shown, rectangular grooves 61 are distributed at the end of the sliding sleeve 6, and protrusions 32 matching the rectangular grooves 61 are distributed at the end of the nut sleeve 3. The protrusions 32 are embedded in the rectangular grooves 61, which can limit the rotation of the nut sleeve 3. An anti-rotation plane extending along the length direction is provided on the side wall of the connecting rod 4. The inner wall of the sliding sleeve 6 is adapted to the side wall of the connecting rod 4 to limit the sliding sleeve 6 from rotating relative to the connecting rod 4. A locking pin 8 is inserted in the sliding sleeve 6 and the connecting rod 4 in a direction perpendicular to the axis to limit the sliding sleeve 6 from moving relative to the connecting rod 4.

[0034] As Figure 3 shown, in this embodiment, the assembly steps of the rod body 1 are as follows: First, the rod body 1 is inserted into the through hole 33 of the threaded sleeve 3. The locking component 5 is installed in the installation groove 31, and the rod body 1 is fixed by cooperating with the locking part 11. Then, two machine screws are used to connect the locking component 5 and the threaded sleeve 3. Then, the spring 7 and the sliding sleeve 6 are installed on the connecting rod 4. After the spring 7 is compressed by the sliding sleeve 6, the stepped portion 41 of the connecting rod 4 is connected to the threaded sleeve 3. The sliding sleeve 6 is released so that the groove 61 of the sliding sleeve 6 meshes with the protrusion 32 of the threaded sleeve 3. Finally, the locking pin 8 is inserted to complete the installation. When disassembling, just reverse this step.

[0035] As Figure 1As shown in the figure, a riveting gun C is provided with a threaded hole 42 adapted to the gun head of the riveting gun C at the end of the connecting rod 4. The gun head 9 of the riveting gun C is connected to the threaded hole 42, and the gun head 9 drives the riveting head to rotate to perform the operation.

[0036] Finally, it should be noted that the above description is only the preferred embodiment of the present invention. Under the inspiration of the present invention, those of ordinary skill in the art can make various similar representations without violating the purpose and claims of the present invention. Such transformations all fall within the protection scope of the present invention.

Claims

1. A combined riveting rod, comprising a connector (A) and a rod body (1) detachably mounted at the end of the connector (A), characterized in that: The connector (A) includes a connecting rod (4) and a nut sleeve (3) threadedly assembled at the end of the connecting rod (4). One end of the connecting rod (4) away from the nut sleeve (3) is for being assembled on the gun head (9) of a rivet gun. An installation groove (31) facing the end of the connecting rod (4) is provided on the nut sleeve (3). A through hole (33) is provided at the bottom of the installation groove (31). The rod body (1) passes through the through hole (33). One end thereof has a locking portion (11) located in the installation groove (31), and the other end extends to the outside of the connector (A). A locking component (5) for preventing the locking portion (11) from moving is assembled in the installation groove (31). A limiting component (B) is provided between the nut sleeve (3) and the connecting rod (4), and it is used to prevent the nut sleeve from rotating relative to the connecting rod (4).

2. The combined riveting rod according to claim 1, characterized in that: The limiting component (B) includes a sliding sleeve (6) and a spring (7). The sliding sleeve (6) and the spring (7) are sleeved on the connecting rod (4). The sliding sleeve (6) is in sliding fit with the connecting rod (4). A spring groove (43) is provided at the end of the connecting rod (4) away from the nut sleeve (3). Two ends of the spring (7) respectively abut against the bottom of the spring groove (43) and the end of the sliding sleeve (6).

3. The combined riveting rod according to claim 2, characterized in that: Rectangular grooves (61) are distributed at the end of the sliding sleeve (6), and protrusions (32) matching the rectangular grooves (61) are distributed at the end of the nut sleeve (3). The protrusions (32) are embedded in the rectangular grooves (61), and can limit the rotation of the nut sleeve (3).

4. The combined riveting rod according to claim 1, wherein: A stepped portion (41) is provided at one end of the connecting rod (4) close to the nut sleeve (3). External threads are provided circumferentially on the stepped portion (41). The connecting rod (4) is connected to the nut sleeve (3) through the external threads of the stepped portion (41).

5. The combined riveting rod according to claim 2, characterized in that: An anti-rotation plane extending along its length direction is provided on the side wall of the connecting rod (4), and the inner wall of the sliding sleeve (6) is adapted to the side wall of the connecting rod (4).

6. The combined riveting rod according to claim 3, characterized in that: After the protrusions (32) are embedded in the rectangular grooves (61), the lower end of the sliding sleeve (6) abuts against the stepped portion (41).

7. The combined riveting rod according to claim 2, wherein: A locking pin (8) is inserted in the sliding sleeve (6) and the connecting rod (4) in a direction perpendicular to the axis.

8. The combined riveting rod according to claim 1, characterized in that: The locking portion (11) is a hexagonal prism. A hexagonal hole adapted to the hexagonal prism is provided at the lower end of the locking component (5). The outer wall of the locking component (5) is adapted to the hole wall of the installation groove (31), and a fastening screw (10) is clamped between the two.

9. A riveting gun (C), characterized in that: The gun head of the rivet gun (C) is installed with the combined riveting rod according to any one of claims 1-8. A threaded hole (42) adapted to the gun head of the rivet gun (C) is provided at the end of the connecting rod (4).

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