Rivet riveting tool

Abstract

The utility model discloses a rivet riveting tool which comprises a base, a fixing sleeve and a knob assembly, and the fixing sleeve is installed on the base and used for clamping a rivet body. The knob assembly comprises a connecting shaft, a clamping pin and an elastic piece, the connecting shaft is rotatably installed on the base and is coaxial with the fixing sleeve, a tongue cavity is formed in one end of the connecting shaft, the clamping pin movably penetrates through the tongue cavity and is used for clamping a rivet core rod, one end of the elastic piece is connected with the clamping pin, and the other end of the elastic piece is connected with the connecting shaft; and the elastic force enables the bayonet lock to protrude out of the tongue cavity. During riveting, firstly, the fixing sleeve is used for clamping the rivet body, the clamping pin is used for clamping the rivet core rod, then the pneumatic tool drives the connecting shaft to rotate, the clamping pin is driven to rotate so as to turn the rivet core rod, the rivet core rod moves in the axial direction of the connecting shaft till the rivet core rod is snapped, and therefore riveting operation is completed. By means of the rivet riveting tool, an operator does not need to manually screw the rivet core rod, and the workload of the operator is relieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to riveting field, concretely relates to a rivet riveting tool. BACKGROUND

[0002] High shear rivet riveting as a kind of assembly process is widely used in important load-bearing components of aircraft, currently, riveting needs to be completed by rivet riveting tool when riveting is carried out on aircraft sheet metal parts.

[0003] The existing rivet riveting tool can be seen from the patent with the application number CN202122636368.5, it needs to clamp rivet body and rivet core rod respectively, and drives both relative rotation, until rivet core rod is pulled off, riveting operation can be completed. But the above-mentioned rivet riveting tool needs to be manually rotated by operator rivet core rod, and the torsional moment of rivet core rod is provided by manpower, so that riveting work is extremely heavy.

[0004] Therefore, how to avoid heavy manual screwing rivet operation is a technical problem to be solved urgently. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the above technical deficiencies, and provides a rivet riveting tool, to solve the technical problem of how to avoid heavy manual screwing rivet operation in prior art.

[0006] In order to achieve the above technical purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a rivet riveting tool, it includes:

[0008] Base;

[0009] Fixed sleeve, it is installed in the base, it is used for clamping rivet body, and

[0010] Rotary torsion assembly, it includes connecting shaft, pin and elastic piece, the connecting shaft is rotatably installed in the base and is coaxially arranged with the fixed sleeve, and one end of the connecting shaft is provided with tongue cavity, the pin is movably arranged in the tongue cavity, and the pin is used for clamping rivet core rod, one end of the elastic piece is connected with the pin, and the other end is connected with the connecting shaft, and it has the elastic force that the pin protrudes from the tongue cavity.

[0011] In some embodiments, the elastic piece includes spring, the spring is built into the tongue cavity, and the spring is connected with the connecting shaft and the pin respectively at both ends.

[0012] In some embodiments, the connecting shaft includes base pipe and end plug, the base pipe is rotatably installed in the base, the tongue cavity is located in the base pipe, the end plug is fixedly connected with one end of the base pipe, and the end of the spring away from the pin is connected with the end plug.

[0013] In some embodiments, the connecting shaft further comprises a connecting portion fixedly connected to one end of the base pipe mounting end plug.

[0014] In some embodiments, the base is provided with a receiving cavity, and the connecting shaft portion is arranged in the receiving cavity.

[0015] In some embodiments, the inner wall of the receiving cavity is provided with an internal thread, and the outer wall of the fixing sleeve is provided with an external thread, the internal thread and the external thread being matched with each other to screw the fixing sleeve and the base to each other.

[0016] In some embodiments, the outer periphery of the fixing sleeve is provided with a limiting portion at one end of the external thread, and the limiting portion is used to abut against the end face of the base.

[0017] In some embodiments, the fixing sleeve is detachably mounted on the base.

[0018] In some embodiments, the catch pin is detachably arranged on the connecting shaft.

[0019] In some embodiments, the base is provided with a handle.

[0020] First, the rivet body is clamped by the fixing sleeve, and the rivet core rod is clamped by the catch pin, then the connecting shaft is driven to rotate by the pneumatic tool, thereby driving the catch pin to rotate to twist the rivet core rod, so that the rivet core rod moves along the axial direction, thereby overcoming the elastic force of the elastic member to make the catch pin retract into the tongue cavity, until the rivet core rod is pulled off, then the fixing sleeve can be separated from the rivet body, and the elastic member can push the catch pin to pop out the pulled-off rivet core rod to complete the riveting operation. By using the riveting tool, the operator does not need to manually twist the rivet core rod, thereby reducing the work burden of the operator. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic view of the riveting tool provided by the embodiment of the present application;

[0022] Marked as: base 100, receiving cavity 110, handle 120, fixing sleeve 200, limiting portion 210, twisting assembly 300, connecting shaft 310, base pipe 311, tongue cavity 3111, end plug 312, connecting portion 313, catch pin 320, elastic member 330, spring 331. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0024] In order to solve the technical problem of how to avoid the heavy manual screwing operation of the rivet, the utility model provides a rivet riveting tool, which does not need the operator to manually screw the rivet core rod, and reduces the work burden of the operator.

[0025] It should be noted that the rivet riveting tool of the utility model is used for but not limited to sheet metal riveting, in order to facilitate the description, in the utility model, only the rivet riveting tool is applied to sheet metal riveting as an example for description, and the principle of the rivet riveting tool applied to other types of equipment is substantially the same as that applied to sheet metal riveting, which is not described here.

[0026] Please refer to Figure 1 , Figure 1 It is a structural schematic view of the rivet riveting tool in the utility model, the rivet riveting tool includes a base 100, a fixed sleeve 200 and a screwing assembly 300, the fixed sleeve 200 is installed on the base 100, and is used for clamping the rivet body. The screwing assembly 300 includes a connecting shaft 310, a clamping pin 320 and an elastic piece 330, the connecting shaft 310 is rotatably installed on the base 100 and coaxially arranged with the fixed sleeve 200, and one end of the connecting shaft 310 is provided with a tongue cavity 3111, the clamping pin 320 is movably arranged in the tongue cavity 3111, and the clamping pin 320 is used for clamping the rivet core rod, one end of the elastic piece 330 is connected with the clamping pin 320, and the other end of the elastic piece 330 is connected with the connecting shaft 310, and the elastic piece 330 has the elastic force of protruding the clamping pin 320 from the tongue cavity 3111.

[0027] In the embodiment, first, the fixed sleeve 200 is used for clamping the rivet body, and the clamping pin 320 is used for clamping the rivet core rod, then the connecting shaft 310 is driven to rotate by the pneumatic tool, and the clamping pin 320 is driven to rotate to screw the rivet core rod, so that the rivet core rod moves along the axial direction, and then the clamping pin 320 is retracted into the tongue cavity 3111 against the elastic force of the elastic piece 330 until the rivet core rod is pulled off, then the fixed sleeve 200 can be separated from the rivet body, and the elastic piece 330 can push the clamping pin 320 to pop out the pulled-off rivet core rod to complete the riveting operation. The rivet riveting tool does not need the operator to manually screw the rivet core rod, and reduces the work burden of the operator.

[0028] In some embodiments, the elastic piece 330 includes a spring 331, the spring 331 is built in the tongue cavity 3111, and the two ends of the spring 331 are respectively connected with the connecting shaft 310 and the clamping pin 320.

[0029] In the embodiment, the spring 331 is hidden in the tongue cavity 3111, the external installation space occupied by the spring 331 is avoided, the space utilization is improved, the volume of the rivet riveting tool is reduced,

[0030] On the basis of the above-mentioned embodiments, in some of the embodiments, the connecting shaft 310 comprises a base pipe 311 and an end plug 312, the base pipe 311 is rotatably installed on the base 100, a tongue cavity 3111 is located in the base pipe 311, the end plug 312 is fixedly connected to one end of the base pipe 311, and the spring 331 is connected to the end plug 312 away from the one end of the catch pin 320.

[0031] In the embodiment, since the spring 331 is connected to the end plug 312 away from the one end of the catch pin 320, the compression range of the spring 331 can be adjusted by adjusting the relative positions of the end plug 312 and the base pipe 311, and the elastic force of the spring 331 on the catch pin 320 can be adjusted.

[0032] In some of the embodiments, the connecting shaft 310 further comprises a connecting portion 313, the connecting portion 313 is fixedly connected to the end of the base pipe 311 where the end plug 312 is installed.

[0033] In the embodiment, the connecting portion 313 is connected to the pneumatic tool, the pneumatic tool drives the connecting portion 313 to rotate, and then the base pipe 311 is driven to rotate.

[0034] In some of the embodiments, the base 100 is provided with a containing cavity 110, and the connecting shaft 310 is partially arranged in the containing cavity 110.

[0035] In the embodiment, since the connecting shaft is partially arranged in the containing cavity 110, the inner wall of the containing cavity 110 can support and protect the connecting shaft 310.

[0036] As long as the implementation of connecting the fixing sleeve 200 and the base 100 to each other is feasible, in some of the embodiments, the inner wall of the containing cavity 110 is provided with internal threads, the outer wall of the fixing sleeve 200 is provided with external threads, and the internal threads and the external threads are matched with each other to screw the fixing sleeve 200 and the base 100 to each other.

[0037] On the basis of the above-mentioned embodiments, in some of the embodiments, the outer periphery of the fixing sleeve 200 is provided with a limiting portion 210, the limiting portion 210 is located at one end of the external threads, and the limiting portion 210 is used to abut against the end surface of the base 100.

[0038] In the embodiment, when the limiting portion 210 abuts against the end surface of the base 100, the fixing sleeve 200 is prevented from continuing to rotate relative to the base 100, and the limiting portion 210 plays a role of determining the relative position between the fixing sleeve 200 and the base 100.

[0039] In some of the embodiments, the fixing sleeve 200 is detachably installed on the base 100.

[0040] In the embodiment, since the fixing sleeve 200 is detachable, the fixing sleeve 200 that is suitable for the rivet can be replaced according to the specification of the rivet.

[0041] In some embodiments, the pin 320 is detachably mounted on the connecting shaft 310.

[0042] In the embodiment, since the sleeve of the pin 320 is detachable, the pin 320 that is suitable for the rivet can be replaced according to the specification of the rivet.

[0043] In some embodiments, the base 100 has a handle 120.

[0044] In the embodiment, the operator can hold the handle 120 to move the rivet riveting tool.

[0045] In order to better understand the utility model, the following will be combined with Figure 1 The technical scheme of the utility model will be described in detail:

[0046] The operator can hold the handle 110 to move the rivet riveting tool, and make the fixed sleeve 200 clamp the rivet body, and make the pin 320 clamp the rivet core rod, then drive the connecting shaft 310 to rotate through the pneumatic tool, and then drive the pin 320 to rotate to twist the rivet core rod, so that the rivet core rod moves along the axial direction, and then the pin 320 is retracted into the tongue cavity 3111 to overcome the elastic force of the elastic element 330, until the rivet core rod is pulled off, then the fixed sleeve 200 can be separated from the rivet body, and the elastic element 330 can push the pin 320 to pop out the pulled-off rivet core rod to complete the riveting operation. The above-mentioned rivet riveting tool does not need the operator to manually twist the rivet core rod, and reduces the work burden of the operator.

[0047] The specific implementation of the utility model described above does not constitute a limitation on the protection scope of the utility model. Any various other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A riveting tool, characterized in that, include: Base; A retaining sleeve, which is installed on the base, is used to hold the rivet body; as well as A rotary assembly includes a connecting shaft, a locking pin, and an elastic element. The connecting shaft is rotatably mounted on the base and coaxially arranged with the fixed sleeve. One end of the connecting shaft has a tongue cavity, and the locking pin is movably inserted through the tongue cavity. The locking pin is used to engage a rivet core rod. One end of the elastic element is connected to the locking pin, and the other end is connected to the connecting shaft. The elastic element has an elastic force that causes the locking pin to protrude from the tongue cavity.

2. The riveting tool according to claim 1, characterized in that, The elastic element includes a spring, which is built into the tongue cavity, and the two ends of the spring are respectively connected to the connecting shaft and the locking pin.

3. The riveting tool according to claim 2, characterized in that, The connecting shaft includes a base tube and an end plug. The base tube is rotatably mounted on the base. The tongue cavity is located inside the base tube. The end plug is fixed to one end of the base tube. The end of the spring away from the locking pin is connected to the end plug.

4. The riveting tool according to claim 3, characterized in that, The connecting shaft also includes a connecting part, which is fixed to one end of the base tube mounting plug.

5. The riveting tool according to claim 1, characterized in that, The base has a receiving cavity, and the connecting shaft portion is built into the receiving cavity.

6. The riveting tool according to claim 5, characterized in that, The inner wall of the accommodating cavity has an internal thread, and the outer wall of the fixing sleeve has an external thread. The internal thread and the external thread cooperate with each other to screw the fixing sleeve to the base.

7. The riveting tool according to claim 6, characterized in that, The fixed sleeve has a limiting part on its outer periphery, the limiting part is located at one end of the external thread, and the limiting part is used to press against the end face of the base.

8. The riveting tool according to claim 1, characterized in that, The fixing sleeve is detachably installed on the base.

9. The riveting tool according to claim 1, characterized in that, The locking pin is detachably mounted on the connecting shaft.

10. The riveting tool according to claim 1, characterized in that, The base has a handle.

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