阅读说明：本技术 内力平衡式动力铆接工具附件 (Internal force balance type power riveting tool accessory ) 是由 郭勇 刘锋力 姚翔腾 余超 杨凌云 刘勇 陆建辉 于 2019-10-10 设计创作，主要内容包括：本发明提供了一种内力平衡式动力铆接工具附件。它解决了现有的技术问题。本内力平衡式动力铆接工具附件,包括筒状手把,在筒状手把内穿设有与筒状手把轴向定位且周向转动连接的转动件和与筒状手把周向定位且轴向活动连接的传动件,所述的传动件前端与铆接工作组件相连,所述的传动件外壁设有至少一条沿着传动件轴向延伸的限位导槽,所述的筒状手把侧部穿设有至少一根限位销,所述的限位销与限位导槽一一对应设置且限位销的内端位于限位导槽内,所述的筒状手把上设有向筒状手把外侧延伸的侧把,所述的侧把的中轴线和各限位销的中轴线均位于筒状手把的同一横截面上以实现内力平衡。本发明具有能够实现铆接工具内力平衡等优点。(The invention provides an internal force balance type power riveting tool accessory. It has solved current technical problem. This internal force balanced type power riveting tool annex, including the tube-shape hand (hold), wear to be equipped with in the tube-shape hand (hold) and rotate the rotation piece of being connected with tube-shape hand (hold) axial positioning and circumferential direction and axial swing joint's driving medium with tube-shape hand (hold) circumferential positioning and axial swing joint, the driving medium front end link to each other with riveting work subassembly, the driving medium outer wall be equipped with at least one along the spacing guide slot of driving medium axial extension, tube-shape hand (hold) lateral part wear to be equipped with an at least spacer pin, the inner of spacer pin and spacing guide slot one-to-one setting and spacer pin be located spacing guide slot, the tube-shape hand (hold) on be equipped with the side handle that extends to the tube-shape hand (hold) outside, the axis of side handle and. The riveting tool has the advantages of being capable of achieving internal force balance of the riveting tool and the like.)

1. An internal force balance type power riveting tool accessory comprises a cylindrical handle (1), wherein a rotating piece (2) axially positioned and connected with the cylindrical handle (1) in a circumferential rotating manner and a transmission piece (3) circumferentially positioned and movably connected with the cylindrical handle (1) in an axial direction are arranged in the cylindrical handle (1) in a penetrating manner, the rotating piece (2) is connected with the transmission piece (3) through a thread structure (4), the transmission piece (3) can be driven to retreat or advance when the rotating piece (2) rotates forwards or reversely, the front end of the transmission piece (3) is connected with a riveting working assembly, the internal force balance type power riveting tool accessory is characterized in that at least one limiting guide groove (18) axially extending along the transmission piece (3) is arranged on the outer wall of the transmission piece (3), at least one limiting pin (19) is arranged on the side portion of the cylindrical handle (1) in a penetrating manner, the limiting pins (19) and the limiting guide grooves (18) are arranged in a one-to-one correspondence manner, and the inner ends of, the handle is characterized in that a side handle (5) extending to the outer side of the tubular handle (1) is arranged on the tubular handle (1), and the central axis of the side handle (5) and the central axis of each limiting pin (19) are located on the same cross section of the tubular handle (1) to realize internal force balance.

2. The internal force balance type power riveting tool accessory according to claim 1, wherein two limiting guide grooves (18) are symmetrically arranged, two limiting pins (19) are symmetrically arranged, the central axes of the two limiting pins (19) are positioned on the same straight line, and the central axis of the side handle (5) is perpendicular to the straight line.

3. The internal force balance type power riveting tool accessory according to claim 2, wherein the side handle (5) comprises a positioning sleeve (7) arranged on the periphery of the cylindrical handle (1), and a side handle body (8) is fixedly arranged on the positioning sleeve (7).

4. The internal force balance type power riveting tool accessory according to claim 3, wherein the riveting working assembly comprises a guide nozzle assembly (20) arranged at the front end of the cylindrical handle (1), a rivet nut connector (21) is movably arranged in the guide nozzle assembly (20) in a penetrating manner, the front end of the rivet nut connector (21) can extend out of the guide nozzle assembly (20), the transmission piece (3) is connected with the rivet nut connector (21), a compression pre-tightening spring (22) positioned in the guide nozzle assembly (20) is sleeved on the rivet nut connector (21), the front end of the compression pre-tightening spring (22) acts on the guide nozzle assembly (20), and the rear end of the compression pre-tightening spring acts on the transmission piece (3); the positioning sleeve (7) is axially positioned and circumferentially and rotatably connected with the cylindrical handle (1), and a circumferential positioning clutch structure (6) is arranged between the positioning sleeve (7) and the cylindrical handle (1).

5. The internal force balance type power riveting tool accessory according to claim 4, wherein the circumferential positioning clutch structure (6) comprises at least one positioning hole (9) formed in the side portion of the tubular handle (1), a positioning column (10) located on the periphery of the tubular handle (1) is movably arranged on the positioning sleeve (7) in a penetrating mode, the positioning column (10) is connected with a clutch control structure capable of controlling the positioning column (10) to axially move, and when the positioning sleeve (7) rotates circumferentially around the tubular handle (1) until the positioning column (10) and the positioning hole (9) are correspondingly arranged, the inner end of the positioning column (10) can enter the positioning hole (9) under the action of the clutch control structure so as to circumferentially position the positioning sleeve (7) and the tubular handle (1).

6. The internal force balance type power riveting tool accessory according to claim 5, wherein the clutch control structure comprises an elastic structure (11) which is arranged between the side handle body (8) and the positioning column (10) and can enable the positioning column (10) to have the trend of moving towards the cylindrical handle (1) in the axial direction, and a holding structure (12) which can enable the positioning column (10) to keep a state of being separated from the positioning hole (9); the end surface of the inner end of the positioning column (10) is smooth.

7. The internal force balance type power riveting tool accessory according to claim 6, wherein the side handle body (8) is a hollow structure with a central channel (13), the inner end of the central channel (13) is communicated with the inner wall of the positioning sleeve (7), the outer end of the central channel (13) is positioned in the side handle body (8) or is communicated with the outer end of the side handle body (8), the positioning column (10) is arranged in the central channel (13), the elastic structure (11) is arranged between the positioning column (10) and the side handle body (8), and the retaining structure (12) is arranged between the positioning column (10) and the side handle body (8).

8. The internal force balance type power riveting tool accessory according to claim 6, wherein the elastic structure (11) comprises a compression spring (14) arranged in the central channel (13), the compression spring (14) is sleeved on the positioning column (10), one end of the compression spring (14) acts on the positioning column (10), and the other end acts on the side handle body (8); the holding structure (12) comprises a pull ring (15), the outer end of the positioning column (10) penetrates out of the outer end of the side handle body (8), the pull ring (15) is arranged at the outer end of the positioning column (10), a radial notch (16) is formed in the outer end of the side handle body (8), the inner end of the positioning column (10) can enter the positioning hole (9) when the pull ring (15) is located in the radial notch (16), and the inner end of the positioning column (10) is always in a state of being separated from the positioning hole (9) when the pull ring (15) is pulled out of the radial notch (16) and is rotated to be erected at the outer end of the side handle body (8).

9. The internal force balance type power riveting tool accessory according to any one of claims 4-8, wherein the transmission member (3) is of a split structure, the transmission member (3) comprises a transmission pipe (24) with a channel (23) and two open ends and a plug (25) fixedly arranged at the front end of the transmission pipe (24), the transmission pipe (24) and the plug (25) are made of the same or different materials, the transmission pipe (24) and the plug (25) have the same or different mechanical properties, the rear end of the transmission pipe (24) is hermetically connected with the rotating member (2) through a threaded structure (4) and can drive the transmission pipe (24) to retreat or advance when the rotating member (2) rotates forwards or backwards, the front end of the transmission pipe (24) is sealed by the plug (25), the front end of the plug (25) is fixedly connected with the rear end of the rivet nut connector (21), rivet nut connector (21) on the cover be equipped with and be located compression pretension spring (22) of leading in mouth subassembly (20), the front end of compression pretension spring (22) be used in leading mouth subassembly (20), the rear end is used in end cap (25), driving pipe (24) in be equipped with relief valve mechanism (26) and enable the screw pair conversion of helicitic texture (4) takes place before the effort is applyed in rivet nut who rivets nut connector (21) front end to leading mouth subassembly (20).

10. The internal force balance type power riveting tool accessory according to claim 9, wherein the safety valve mechanism (26) comprises a valve core (27) arranged in the transmission pipe (24) and capable of being plugged in the middle of the transmission pipe (24) and a spring (28) arranged between the valve core (27) and the plug (25), one end of the spring (28) acts on the plug (25), the other end of the spring acts on the valve core (27), a valve cavity (29) capable of changing volume along with the axial relative position of the rotating piece (2) and the transmission pipe (24) is formed among the rotating piece (2), the transmission pipe (24) and the valve core (27) so as to change the internal pressure of the rotating piece (2) and the transmission pipe (24), and a medium is arranged in the valve cavity (29), and the medium is gas or fluid.

11. The internal force balanced power riveting tool attachment of claim 1 or 2 or 3, it is characterized in that the riveting working component is arranged on a plurality of claw bodies (30) distributed in the circumferential direction at the front end of the transmission piece (3) and a limiting structure (31) capable of preventing each claw body (30) from separating, the front end of the cylindrical handle (1) is provided with a cylindrical guide nozzle (32) which can enable the front end of each claw body (30) to be propped against the rear end of the claw body, a claw body jack post (33) which can push the transmission piece (3) to move axially forwards when the rotating piece (2) rotates reversely so as to lead each claw body (30) to be separated radially under the matching of the cylindrical guide nozzle (32) is arranged between the front end of the transmission piece (3) and the rear end of each claw body (30), and when the rotating piece (2) rotates forwards, the driving piece (3) can be driven to move backwards in the axial direction, so that the claw bodies (30) are radially folded, and the folded claw bodies (30) are driven to move backwards in the axial direction continuously.

12. The internal force balance type power riveting tool accessory according to claim 11, wherein the side handle (5) is detachably and fixedly connected with the cylindrical handle (1); or the side handle (5) is connected with the cylindrical handle (1) into a whole; or the side handle (5) and the cylindrical handle (1) are axially positioned and circumferentially and rotatably connected, and a circumferential positioning clutch structure (6) is arranged between the side handle (5) and the cylindrical handle (1).

Technical Field

The invention belongs to the technical field of machinery, and particularly relates to an internal force balance type power riveting tool accessory.

Background

The rivet nut and the rivet are common riveting fasteners, are widely applied to the industries of aerospace, military industry, automobiles, ships, construction, installation, production and manufacture and the like with riveting fastening requirements, have wide civil application, and have huge annual demand on various rivet nut tool products in related industries and domestic and foreign civil markets. The main development directions of the pull rivet nut and pull rivet tool products are cost performance, precision, convenience, high efficiency, labor saving and the like.

In order to overcome the defects of labor waste, heaviness, low precision, low efficiency and the like of manual rivet nuts and rivet pulling tools, the integral pneumatic riveting tool is developed and popularized. The pneumatic riveting tool is mainly popularized and applied in the industrial market, and the market expansion of the pneumatic riveting tool product is limited due to the limitation of a compressed air source, high price and the like. The integral electric tool has attracted wide market attention recently due to the portability, the convenience of power sources and the like, but the integral electric tool is few products which can be selected in domestic and foreign markets, and is mainly aimed at some industrial markets due to the complex products and high unit price.

In recent years, a riveting tool is changed into a power tool accessory, functions of an integral electric riveting tool and a pneumatic riveting tool are realized functionally by means of power output of a power tool matched with the riveting tool accessory, and the power tool is a general tool such as an electric drill and the like, so that the riveting power tool accessory and the riveting tool are a valuable, meaningful and market potential development direction in the riveting tool industry. When the existing riveting tool is used for riveting, the internal force balance of the tool cannot be realized, the force transmitted to the outside is large, and the stability of a transmission system and a product related mechanism is poor.

In view of this problem, research and study have been conducted in long-term production and life practices, and for example, chinese patent application discloses a riveting tool accessory and a riveting tool [ application No.: CN201720199551.4], the invention includes a cylindrical handle, a rotating member axially positioned and connected to the cylindrical handle in a circumferential rotation manner and a transmission member axially movably connected to the cylindrical handle in a circumferential positioning manner, the rotating member and the transmission member can be connected by a screw structure, and the transmission member can be driven to retreat or advance when the rotating member rotates forward or backward, the front end of the transmission member is provided with a connecting member, the front end of which can be loaded with a rivet nut, the front end of the cylindrical handle is provided with a nozzle assembly, the connecting member is inserted into the nozzle assembly and the front end of the connecting member can extend out of the nozzle assembly, a compression pre-tightening spring is arranged between the transmission member and the nozzle assembly, and a safety valve mechanism is arranged between the transmission member and the connecting member.

The solution described above improves to some extent some of the problems of the prior art, but it also has at least the following drawbacks: the riveting tool cannot realize internal force balance, and the stability of a transmission system and a product related mechanism is poor.

Disclosure of Invention

The invention aims to solve the problems and provides an internal force balance type power riveting tool accessory capable of realizing internal force balance.

In order to achieve the purpose, the invention adopts the following technical scheme: the internal force balance type power riveting tool accessory comprises a cylindrical handle, a rotating piece axially positioned and circumferentially and rotatably connected with the cylindrical handle and a transmission piece axially and movably connected with the cylindrical handle are arranged in the cylindrical handle in a penetrating way, the rotating piece and the transmission piece are connected through a thread structure, and when the rotating piece rotates forwards or backwards, the driving piece can be driven to retreat or advance, the front end of the driving piece is connected with the riveting working component, the outer wall of the transmission part is provided with at least one limiting guide groove extending along the axial direction of the transmission part, the side part of the cylindrical handle is penetrated with at least one limiting pin, the limiting pins and the limiting guide grooves are arranged in one-to-one correspondence, the inner ends of the limiting pins are positioned in the limiting guide grooves, the cylindrical handle is provided with a side handle extending to the outer side of the cylindrical handle, and the central axis of the side handle and the central axes of the limiting pins are both positioned on the same cross section of the cylindrical handle so as to realize internal force balance.

In the internal force balance type power riveting tool accessory, the two limiting guide grooves are symmetrically arranged, the two limiting pins are symmetrically arranged, and the central axes of the two limiting pins are positioned on the same straight line and the central axes of the side handles are perpendicular to the straight line.

In the internal force balance type power riveting tool accessory, the side handle comprises a positioning sleeve arranged on the periphery of the cylindrical handle, and a side handle body is fixedly arranged on the positioning sleeve. The side is formed by the combination of the locating sleeve and the side handle body, so that the installation and the disassembly are convenient, and when the side handle is used, the side handle body is held by hands, the force arm can be lengthened, and the purposes of labor saving and torque resistance are achieved.

In the internal force balance type power riveting tool accessory, the riveting working assembly comprises a guide nozzle assembly arranged at the front end of the cylindrical handle, a rivet nut connector is movably arranged in the guide nozzle assembly in a penetrating manner, the front end of the rivet nut connector can extend out of the guide nozzle assembly, the transmission part is connected with the rivet nut connector, a compression pre-tightening spring positioned in the guide nozzle assembly is sleeved on the rivet nut connector, the front end of the compression pre-tightening spring acts on the guide nozzle assembly, and the rear end of the compression pre-tightening spring acts on the transmission part; the positioning sleeve is axially positioned and circumferentially and rotatably connected with the cylindrical handle, and a circumferential positioning clutch structure is arranged between the positioning sleeve and the cylindrical handle. The circumferential positioning clutch structure can realize relative locking or rotation between the cylindrical handle and the side handle, has better controllability, and can also eliminate potential safety hazards caused by possible follow-up rotation of the side handle.

In foretell internal force balance formula power riveting tool annex, circumference location separation and reunion structure including locating at least one locating hole of tube-shape hand (hold) lateral part, the locating sleeve on the activity wear to be equipped with and be located the outlying reference column of tube-shape hand (hold), the reference column on be connected with the separation and reunion that can control reference column axial displacement and control the structure, thereby when the locating sleeve around tube-shape hand (hold) circumferential direction to reference column and locating hole correspond the setting the inner entering locating hole of reference column thereby make locating sleeve and tube-shape hand (hold) circumferential location under the separation and reunion control the structure effect. The positioning sleeve and the cylindrical handle can be locked or rotated in the circumferential direction depending on whether the positioning column is inserted into the positioning hole.

In the internal force balance type power riveting tool accessory, the clutch control structure comprises an elastic structure which is arranged between the side handle body and the positioning column and can enable the positioning column to have the trend of moving towards the cylindrical handle in the axial direction and a holding structure which can enable the positioning column to be kept in a state of being separated from the positioning hole; the end surface of the inner end of the positioning column is smooth. The elastic structure is used for circumferential locking between the positioning sleeve and the cylindrical handle, and the retaining structure is used for retaining circumferential rotation between the positioning sleeve and the cylindrical handle after the positioning column is separated from the positioning hole; the surface of the end part of the inner end of the positioning column can be smooth, so that the positioning column is minimally worn in cooperation with the outer cylindrical surface of the cylindrical handle, and is more smooth in matching with the positioning hole outside the cylindrical handle.

In the internal force balance type power riveting tool accessory, the side handle body is of a hollow structure with a central channel, the inner end of the central channel is communicated with the inner wall of the positioning sleeve, the outer end of the central channel is positioned in the side handle body or communicated with the outer end of the side handle body, the positioning column is arranged in the central channel, the elastic structure is arranged between the positioning column and the side handle body, and the retaining structure is arranged between the positioning column and the side handle body. The positioning column axially reciprocates in the central channel, so that the top end of the positioning column enters the positioning hole or is separated from the positioning hole, locking or separation conversion is realized, the accuracy of the radial position of the positioning column can be ensured by the central channel, and the axial positioning between the positioning column and the positioning hole can be ensured.

In the internal force balance type power riveting tool accessory, the elastic structure comprises a compression spring arranged in the central channel, the compression spring is sleeved on the positioning column, one end of the compression spring acts on the positioning column, and the other end of the compression spring acts on the side handle body; the holding structure comprises a pull ring, the outer end of the positioning column penetrates out of the outer end of the side handle body, the pull ring is arranged at the outer end of the positioning column, a radial notch is formed in the outer end of the side handle body, the inner end of the positioning column can enter the positioning hole when the pull ring is located in the radial notch, and the inner end of the positioning column is always in a state of being separated from the positioning hole when the pull ring is pulled out of the radial notch and rotates to be erected at the outer end of the side handle body.

In the internal force balance type power riveting tool accessory, the transmission part is of a split structure and comprises a transmission pipe with a channel and two open ends and a plug fixedly arranged at the front end of the transmission pipe, the transmission pipe and the plug are made of the same or different materials, the transmission pipe and the plug have the same or different mechanical properties, the rear end of the transmission pipe is connected with the rotating part in a sealing mode through a threaded structure and can drive the transmission pipe to retreat or advance when the rotating part rotates forwards or backwards, the front end of the transmission pipe is sealed by the plug, the front end of the plug is fixedly connected with the rear end of a rivet nut connector, a compression pre-tightening spring located in the guide nozzle component is sleeved on the rivet nut connector, the front end of the compression pre-tightening spring acts on the guide nozzle component, the rear end of the compression pre-tightening spring acts on the plug, a safety valve mechanism is arranged in the transmission pipe and can enable the screw pair conversion of the threaded structure to occur when the compression pre-tightening spring is loaded in the rivet nut connector Before the rivet nut at the front end of the joint applies force to the guide nozzle assembly.

In the internal force balance type power riveting tool accessory, the safety valve mechanism comprises a valve core arranged in the transmission pipe and capable of being plugged in the middle of the transmission pipe and a spring arranged between the valve core and a plug, one end of the spring acts on the plug, the other end of the spring acts on the valve core, a valve cavity capable of changing volume along with the axial relative position of the rotating piece and the transmission pipe so as to change the internal pressure of the valve cavity is formed among the rotating piece, the transmission pipe and the valve core, a medium is arranged in the valve cavity, and the medium is gas or fluid.

In the internal force balance type power riveting tool accessory, the riveting working assembly is arranged on a plurality of claw bodies distributed in the circumferential direction at the front end of the transmission member and a limiting structure capable of preventing the claw bodies from being separated, the front end of the cylindrical handle is provided with a cylindrical guide nozzle capable of enabling the front end of each claw body to be propped against the rear end of the cylindrical guide nozzle, a claw body jacking column capable of pushing the transmission member to move axially forward when the rotation member rotates reversely so as to enable each claw body to be radially separated under the cooperation of the cylindrical guide nozzle is arranged between the front end of the transmission member and the rear end of each claw body, and the transmission member can be driven to move axially backward when the rotation member rotates positively so as to enable each claw body to be radially folded and then drive the folded claw bodies to continue to move axially backward.

In the internal force balance type power riveting tool accessory, the side handle is detachably and fixedly connected with the cylindrical handle; or the side handle and the cylindrical handle are connected into a whole; or the side handle and the cylindrical handle are axially positioned and circumferentially and rotatably connected, and a circumferential positioning clutch structure is arranged between the side handle and the cylindrical handle.

Compared with the prior art, the internal force balance type power riveting tool accessory has the advantages that: the design is reasonable, the selected positions are circumferentially fixed by the tubular handle and the transmission part, the selected positions are fixed by the limiting pin and the limiting guide groove on the tubular handle, the axial cross section of the position of the side handle body held by a hand is positioned on the same plane and is axially vertical to the tubular handle, a plane internal force balance system is formed, the internal force is balanced to the maximum degree, the force transmitted to the outside is minimum, the use is easiest, and the stability of the transmission system and the relevant mechanisms of the product is good.

Drawings

FIG. 1 is a cross-sectional view of a structure provided by the present invention;

FIG. 2 is a structural cross-sectional view of another aspect of the present invention;

FIG. 3 is a schematic view of the connection of the side handle and the positioning sleeve provided by the present invention;

FIG. 4 is a schematic view of a tubular handle provided by the present invention;

FIG. 5 is a schematic structural view of the rivet provided by the present invention during operation;

FIG. 6 is a schematic structural view of another state of the rivet during operation provided by the present invention;

in the figure, a cylindrical handle 1, a rotating part 2, a transmission part 3, a thread structure 4, a side handle 5, a circumferential positioning clutch structure 6, a positioning sleeve 7, a side handle body 8, a positioning hole 9, a positioning column 10, an elastic structure 11, a holding structure 12, a central channel 13, a compression spring 14, a pull ring 15, a radial gap 16, a limiting guide groove 18, a limiting pin 19, a guide nozzle assembly 20, a rivet nut connector 21, a compression pre-tightening spring 22, a channel 23, a transmission pipe 24, a plug 25, a safety valve mechanism 26, a valve core 27, a spring 28, a valve cavity 29, a claw body 30, a limiting structure 31, a cylindrical guide nozzle 32 and a claw body top column 33.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-4, the internal force balance type power riveting tool accessory comprises a cylindrical handle 1, a rotating member 2 axially positioned and circumferentially rotatably connected with the cylindrical handle 1 and a transmission member 3 circumferentially positioned and axially movably connected with the cylindrical handle 1 are arranged in the cylindrical handle 1 in a penetrating manner, the rotating member 2 is connected with the transmission member 3 through a threaded structure 4, and the transmission member 3 can be driven to retreat or advance when the rotating member 2 rotates forwards or reversely, the front end of the transmission member 3 is connected with a riveting working assembly, the outer wall of the transmission member 3 is provided with at least one limiting guide groove 18 axially extending along the transmission member 3, at least one limiting pin 19 is arranged on the side portion of the cylindrical handle 1 in a penetrating manner, the limiting pins 19 and the limiting guide grooves 18 are arranged in one-to-one correspondence, the inner ends of the limiting pins 19 are located in the limiting guide grooves 18, a side handle 5 extending towards the outer side of the cylindrical handle 1 is arranged on the cylindrical handle 1, and the central axis of The internal forces are balanced.

The selected positions are circumferentially fixed by the tubular handle 1 and the transmission piece 3, the selected positions are fixed by the limiting pin 19 and the limiting guide groove 18 on the tubular handle 1, and the axial cross section of the position of the side handle body 8 held by a hand is in the same plane and is axially vertical to the tubular handle 1, so that a plane internal force balance system is formed, the internal force is balanced to the maximum extent, the force transmitted to the outside is minimum, the use is easiest, and the stability of a transmission system and a product related mechanism is good.

Preferably, the limiting guide grooves 18 are symmetrically arranged, the limiting pins 19 are symmetrically arranged, the central axes of the two limiting pins 19 are positioned on the same straight line, the central axis of the side handle 5 is perpendicular to the straight line, the side handle 5 comprises a positioning sleeve 7 arranged on the periphery of the cylindrical handle 1, a side handle body 8 is fixedly arranged on the positioning sleeve 7, the side handle 5 is formed by combining the positioning sleeve 7 and the side handle body 8, the installation and the disassembly are convenient, and during the use, the side handle body 8 can be held by hands, the force arm can be lengthened, and therefore the purposes of labor saving and torque resistance are achieved.

The riveting working assembly comprises a guide nozzle assembly 20 arranged at the front end of the cylindrical handle 1, a rivet nut connector 21 is movably arranged in the guide nozzle assembly 20 in a penetrating mode, the front end of the rivet nut connector 21 can extend out of the guide nozzle assembly 20, the transmission part 3 is connected with the rivet nut connector 21, a compression pre-tightening spring 22 located in the guide nozzle assembly 20 is sleeved on the rivet nut connector 21, the front end of the compression pre-tightening spring 22 acts on the guide nozzle assembly 20, and the rear end acts on the transmission part 3; the positioning sleeve 7 is axially positioned and circumferentially and rotatably connected with the cylindrical handle 1, the circumferential positioning clutch structure 6 is arranged between the positioning sleeve 7 and the cylindrical handle 1, relative locking or rotation between the cylindrical handle 1 and the side handle 5 can be realized through the circumferential positioning clutch structure 6, controllability is better, and potential working safety hazards caused by possible follow-up rotation of the side handle 5 can be eliminated.

Circumferential location separation and reunion structure 6 is including locating at least one locating hole 9 of tube-shape hand (hold) 1 lateral part, the activity is worn to be equipped with on the position sleeve 7 and is located tube-shape hand (hold) 1 outlying reference column 10, be connected with on the reference column 10 and can control the separation and reunion control structure of reference column 10 axial displacement, thereby when position sleeve 7 around tube-shape hand (hold) 1 circumferential direction to reference column 10 and locating hole 9 correspond the setting, reference column 10 the inner can get into locating hole 9 under the separation and reunion control structure effect thereby make position sleeve 7 and tube-shape hand (hold) 1 circumferential location, can relative circumference locking or relative circumference rotation depend on between position sleeve 7 and tube-shape hand (hold).

Furthermore, the clutch control structure comprises an elastic structure 11 which is arranged between the side handle body 8 and the positioning column 10 and can enable the positioning column 10 to have the trend of moving towards the cylindrical handle 1 in the axial direction, and a holding structure 12 which can enable the positioning column 10 to keep a state of being separated from the positioning hole 9; the end surface of the inner end of the positioning column 10 is smooth, the elastic structure 11 is used for circumferential locking between the positioning sleeve 7 and the cylindrical handle 1, and the retaining structure 12 is used for retaining circumferential rotation between the positioning sleeve 7 and the cylindrical handle 1 after the positioning column 10 is separated from the positioning hole 9; the end surface of the inner end of the positioning column 10 can be smooth, so that the end surface is matched with the outer cylindrical surface of the cylindrical handle 1 to be worn to the minimum, and the end surface is matched with the outer positioning hole 9 of the cylindrical handle 1 to move in and out more smoothly.

The side handle body 8 is a hollow structure with a central channel 13, the inner end of the central channel 13 is communicated with the inner wall of the positioning sleeve 7, the outer end of the central channel 13 is positioned in the side handle body 8 or communicated with the outer end of the side handle body 8, the positioning column 10 is arranged in the central channel 13, the elastic structure 11 is arranged between the positioning column 10 and the side handle body 8, the retaining structure 12 is arranged between the positioning column 10 and the side handle body 8, the positioning column 10 axially reciprocates in the central channel to enable the top end of the positioning column to enter the positioning hole 9 or separate from the positioning hole 9 so as to realize locking or separation conversion, the central channel 13 can ensure the accuracy of the radial position of the positioning column 10, and the axial positioning between the positioning column 10 and the positioning hole 9 can be.

Furthermore, the elastic structure 11 includes a compression spring 14 disposed in the central passage 13, the compression spring 14 is sleeved on the positioning pillar 10, and one end of the compression spring 14 acts on the positioning pillar 10, and the other end acts on the side handle body 8; the holding structure 12 comprises a pull ring 15, the outer end of the positioning column 10 penetrates out of the outer end of the side handle body 8, the pull ring 15 is arranged at the outer end of the positioning column 10, a radial notch 16 is arranged at the outer end of the side handle body 8, the inner end of the positioning column 10 can enter the positioning hole 9 when the pull ring 15 is located in the radial notch 16, and the inner end of the positioning column 10 is always in a state of being separated from the positioning hole 9 when the pull ring 15 is pulled out of the radial notch 16 and the rear frame is rotated to the outer.

The matching relation between a positioning column 10 in a side handle body 8 and a positioning hole 9 outside a cylindrical handle 1 and the matching relation between a pulling ring 15 and a radial gap 16 are controlled through the pulling ring 15, the relative state of the cylindrical handle 1 and the side handle 5 can be freely controlled, if the front end of the positioning column 10 extends into the positioning hole 9 outside the cylindrical handle 1, the cylindrical handle 1 and the side handle 5 are almost in rigid connection, if the front end of the positioning column 10 is the positioning hole 9 separated from the outside of the cylindrical handle 1 and the pulling ring 15 is not positioned in the radial gap 16, the cylindrical handle 1 and the side handle 5 are separated and can relatively rotate, if the positioning column 10 is separated from the positioning hole 9 outside the cylindrical handle 1 and the top side of the pulling ring 15 is superposed with the bottom side of the radial gap 16, the cylindrical handle 1 and the side handle 5 have certain freedom, after the cylindrical handle 1 rotates for a certain angle, the positioning column 10 can automatically extend into the positioning hole 9 outside the cylindrical handle 1 under the action of a compression spring 14, the method and the device have the advantages that a nearly rigid connection state is achieved, the actual riveting process of the riveting nut is perfectly matched, and labor is saved to the maximum extent.

The transmission part 3 is of a split structure, the transmission part 3 comprises a transmission pipe 24 with a channel 23 and two open ends and a plug 25 fixedly arranged at the front end of the transmission pipe 24, the transmission pipe 24 and the plug 25 are made of the same or different materials, the transmission pipe 24 and the plug 25 have the same or different mechanical properties, the rear end of the transmission pipe 24 is connected with the rotating part 2 in a sealing mode through a threaded structure 4 and can drive the transmission pipe 24 to retreat or advance when the rotating part 2 rotates forwards or backwards, the front end of the transmission pipe 24 is sealed by the plug 25, the front end of the plug 25 is fixedly connected with the rear end of a rivet nut connector 21, a compression pre-tightening spring 22 located in the guide nozzle assembly 20 is sleeved on the rivet nut connector 21, the front end of the compression pre-tightening spring 22 acts on the guide nozzle assembly 20, the rear end of the compression pre-tightening spring acts on the plug 25, a safety valve mechanism 26 is arranged in the transmission pipe 24, and the safety valve mechanism 26 can enable the spiral pair conversion of the threaded structure 4 to Before.

Change into the end cap 25 of the transmission pipe 24 of split joint with the driving medium 3 of integral type, the screw of payment in the former driving medium 3 has been cancelled, structural two segmentation designs around becoming, with cooperation precision and the compactness between promotion rivet nut connector 21 and the driving medium 3, and solve the difficult problem of deep hole payment screw internal thread processing in the former design, in addition effectively have solved the deep hole internal thread and interior mechanical constraint between the straight hole, make the transmission design of optional higher strength under the equal external diameter condition, let transmission system's intensity and reliability better, the outer end of rivet nut connector 21 here is equipped with can with the connecting thread of riveting nut threaded connection.

In addition, the safety valve mechanism 26 comprises a valve core 27 which is arranged in the transmission pipe 24 and can be blocked at the middle part of the transmission pipe 24 and a spring 28 which is arranged between the valve core 27 and the plug 25, one end of the spring 28 acts on the plug 25, the other end of the spring acts on the valve core 27, a valve cavity 29 which can change the volume along with the axial relative position of the rotating piece 2 and the transmission pipe 24 so as to change the internal pressure of the rotating piece 2, the transmission pipe 24 and the valve core 27 is formed among the rotating piece 2, the transmission pipe 24 and the valve cavity 27, and a.

As shown in fig. 5 and 6, or the riveting working component is arranged on a plurality of claw bodies 30 distributed in the circumferential direction at the front end of the transmission member 3 and a limiting structure 31 capable of preventing each claw body 30 from separating, the front end of the cylindrical handle 1 is provided with a cylindrical guide mouth 32 capable of enabling the front end of each claw body 30 to be propped against the rear end of the same, a claw body propping column 33 capable of pushing the transmission member 3 to move axially forward when the rotating member 2 rotates reversely so as to enable each claw body 30 to be separated radially under the matching of the cylindrical guide mouth 32 is arranged between the front end of the transmission member 3 and the rear end of each claw body 30, and when the rotating member 2 rotates forwardly, the transmission member 3 can be driven to move axially backward so as to enable each claw body 30 to be folded radially and further drive the folded claw bodies 30 to move axially backward, wherein the claw bodies 30 are used for rivet pulling work, and when the initial state, the positioning sleeve 7 and the side handle body 8 are in a locking state, then, at this time, the claw body 30 is separated, and then the loading of the rivet is performed, the rotating member 2 is driven to rotate reversely, and the rotating member 2 is continuously driven to rotate until the rivet pulling work is completed.

In addition, the side handle 5 is detachably and fixedly connected with the cylindrical handle 1; or the side handle 5 is connected with the cylindrical handle 1 into a whole; or the side handle 5 and the cylindrical handle 1 are axially positioned and circumferentially and rotatably connected, and a circumferential positioning clutch structure 6 is arranged between the side handle 5 and the cylindrical handle 1.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the terms of the cylindrical handle 1, the rotating member 2, the transmission member 3, the thread structure 4, the side handle 5, the circumferential positioning clutch structure 6, the positioning sleeve 7, the side handle body 8, the positioning hole 9, the positioning post 10, the elastic structure 11, the retaining structure 12, the central channel 13, the compression spring 14, the pull ring 15, the radial notch 16, the limiting guide groove 18, the limiting pin 19, the guide nozzle assembly 20, the rivet nut connector 21, the compression pre-tightening spring 22, the channel 23, the transmission pipe 24, the plug 25, the safety valve mechanism 26, the valve core 27, the spring 28, the valve cavity 29, the claw body 30, the limiting structure 31, the cylindrical guide nozzle 32, the claw body top column 33, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.