CN207841175U

CN207841175U - A kind of nut break-in tool

Info

Publication number: CN207841175U
Application number: CN201721637061.4U
Authority: CN
Inventors: 高晓颖; 王健
Original assignee: SOUTH CHINA MANUFACTURING BASE OF CHINA AVIATION INDUSTRY GENERAL AIRCRAFT CO LTD
Current assignee: SOUTH CHINA MANUFACTURING BASE OF CHINA AVIATION INDUSTRY GENERAL AIRCRAFT CO LTD; South China Aircraft Industry Co Ltd of China Aviation Industry General Aircraft Co Ltd
Priority date: 2017-11-29
Filing date: 2017-11-29
Publication date: 2018-09-11
Anticipated expiration: 2027-11-29

Abstract

The utility model is related to a kind of nut break-in tools, including positioning sleeve, preceding adjusting screw, rear adjusting screw, preceding compact heap, rear compact heap and punch；Positioning sleeve is equipped with rectangular clamping chamber up and down, and preceding compact heap and rear compact heap are set to rectangular clamping intracavitary in which can move forward and backward, and its opposite end is equipped with the front clamp screens of front and back symmetrical V-type and clamps screens afterwards；Preceding adjusting screw and rear adjusting screw penetrate rectangular clamping intracavitary from the rear and front end outside vertical of positioning sleeve respectively, and are drivingly connected respectively with preceding compact heap and rear compact heap；Punch be inserted on the outside of the left end of positioning sleeve or on the outside of right end rectangular clamping intracavitary and by preceding compact heap and after gap between compact heap to be clamped in front clamp screens and after clamp in screens nut to be dismantled struck, dismantle fracture.In this way, can simply, quickly and easily by the nut that corrosion etc. can not dismantle dismantle, and nut break-in tool is simple in structure, and production and processing is easy, and is conducive to popularization and application.

Description

A kind of nut break-in tool

Technical field

The utility model is related to a kind of nut break-in tools.

Background technology

In mechanical attachment fastening and dismounting field, the connection of some nuts is often sent out since the long period did not dismantle It gets rusty erosion, nuts and bolt the phenomenon that firmly sticking together, it, but can not be with pulling when to be dismantled to the connection at this Hand rotation disassembles；In addition the phenomenon that outer six sides deformation of nut can also occur sometimes, dismounting can not be clamped using spanner.At present The method of generally use is one reinforcing bar of welding on nut, is decomposed nut by the high torque of reinforcing bar, but this Method needs to use welding machine, and operation is cumbersome, time-consuming, and welding process is possible to destroy the parts of connection.

Utility model content

To solve the above-mentioned problems in the prior art, the utility model provides one kind can simply, quickly and easily The nut that corrosion etc. can not dismantle is dismantled, and simple in structure, produces and processes easy nut break-in tool.

In order to solve the above technical problems, the utility model adopts the following technical solution：

A kind of nut break-in tool includes positioning sleeve, preceding adjusting screw, rear adjusting screw, preceding compact heap, rear compact heap And punch；Wherein, the positioning sleeve is equipped with rectangular clamping chamber up and down, and the preceding compact heap and rear compact heap can front and back fortune It is set to rectangular clamping intracavitary dynamicly, and its opposite end is equipped with the front clamp screens of front and back symmetrical V-type and rear clamping screens；It is described Preceding adjusting screw and rear adjusting screw penetrate rectangular clamping intracavitary from the rear and front end outside vertical of positioning sleeve respectively, and respectively with Preceding compact heap and rear compact heap are drivingly connected；The punch is inserted into rectangular clamping on the outside of the left end of positioning sleeve or on the outside of right end Intracavitary and by preceding compact heap and after gap between compact heap to be clamped in front clamp screens and after clamp and waited for brokenly in screens Nut is torn open to be struck, dismantle fracture.

Further, the rectangular chamber that clamps is cubic elongated slot up and down, and the preceding compact heap and rear compact heap are flat Row is relatively set in cubic elongated slot, and left and right ends are stuck on the positioning sleeve at left and right sides of cubic elongated slot in which can slide back and forth.

Further, the positioning sleeve is hollow four square set of annular, the rectangular center for clamping chamber and being located at positioning sleeve Centre, and it is concentric with positioning sleeve.

Further, the front clamp screens and the rear V-type dovetail groove for clamping screens and being 120 °.

Further, the preceding adjusting screw by be sequentially connected the integrated preceding shaft shoulder, preceding thread section and before the portion of turning form, It is described after adjusting screw by be sequentially connected the integrated rear shaft shoulder, rear thread section and after the portion of turning form；The positioning sleeve it is front and back Both ends centre position is respectively equipped with the preceding thread through-hole being connected to rectangular clamping chamber and rear thread through-hole；The preceding compact heap is with after The position of preceding adjusting screw and rear adjusting screw described in compact heap face is respectively equipped with front T type straight slot and rear T-type straight slot；Assembling When, the preceding thread section and rear thread section matchingly pass through preceding thread through-hole and rear thread through-hole respectively, and the preceding shaft shoulder is with after The shaft shoulder is rotatably set in front T type straight slot and rear T-type straight slot respectively, and portion of turning with after of portion is turned before described and is located at positioning Set outside.

Further, the preceding shaft shoulder, preceding thread section and before the portion of turning be integrally formed, it is described after the shaft shoulder, rear thread section and After the portion of turning be integrally formed.

Further, the left or right of the positioning sleeve is equipped with punch pilot hole, and the axle center of the punch pilot hole passes through The rectangular center for clamping chamber is crossed, the punch is inserted into rectangular clamping intracavitary from punch pilot hole.

Further, the punch is formed by being sequentially connected integrated cutting edge, guide section and beating handle, the guide section Cross sectional shape size is adapted with punch pilot hole, and axially slidably passes through punch pilot hole.

Further, the section of the guide section is hexagon, square or triangle, and correspondingly, the punch is oriented to Hole is hexagonal hole, square hole or delthyrium；The cutting edge is triangle cutting edge.

Further, the cutting edge, guide section and hammering handle are integrally formed.

The utility model has the beneficial effects that：

The utility model is through the above technical solutions, can the simple, nut that quickly and easily can not dismantle corrosion etc. It is dismantled, and break-in tool is simple in structure, production and processing is easy, and is conducive to popularization and application.

Description of the drawings

Fig. 1 is the structural schematic diagram of nut break-in tool embodiment described in the utility model；

In figure：1-preceding adjusting screw, 1a-preceding thread section, the preceding shaft shoulders of 1b-, 1c-is preceding to turn portion, 2-positioning sleeves, The rectangular clamping chamber of 2a-preceding thread through-hole, 2b-, 2c-rear thread through-hole, 2d-punch pilot hole, 3-preceding compact heaps, 3a- Front clamp screens, 3b-front T type straight slot, 4-rear compact heaps, 4a-clamp screens afterwards, and the rear T-type straight slots of 4b-, 5-adjust spiral shell afterwards It follows closely, portion, 5b-rear thread section, the rear shaft shoulders of 5c-, 6-punches, 6a-cutting edge, 6b-guide section, 6c-hammering is turned after 5a- Handle, 7-nuts to be dismantled.

Specific implementation mode

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this Utility model is not used to limit the utility model.

As shown in Figure 1：

Nut break-in tool described in the utility model embodiment includes positioning sleeve 2, preceding adjusting screw 1, adjusts spiral shell afterwards Nail 5, preceding compact heap 3, rear compact heap 4 and punch 6.Wherein, the positioning sleeve 2 is equipped with rectangular clamping chamber 2b up and down, institute It states preceding compact heap 3 and rear compact heap 4 is set in rectangular clamping chamber 2b in which can move forward and backward, and its opposite end is equipped with front and back symmetrical The front clamp screens 3a of V-type and rear clamping screens 4a；The preceding adjusting screw 1 and rear adjusting screw 5 are respectively before positioning sleeve 2 Both ends outside vertical penetrates in rectangular clamping chamber 2b afterwards, and is drivingly connected respectively with preceding compact heap 3 and rear compact heap 4；The punching First 6 be inserted into rectangular clamping chamber 2b on the outside of the right end of positioning sleeve 2 and by preceding compact heap 3 and after between compact heap 4 between Gap is struck to being clamped in front clamp screens 3a and the rear nut to be dismantled 7 clamped on screens 4a, dismantles fracture.

Concrete structure can be：The positioning sleeve 2 can be hollow four square set of annular, and the rectangular clamping chamber 2b can be with It is cubic elongated slot up and down, is located at the centre of positioning sleeve 2, and concentric with positioning sleeve 2；The preceding compact heap 3 is with after Compact heap 4 is parallel to be relatively set in cubic elongated slot, and left and right ends are stuck at left and right sides of cubic elongated slot in which can slide back and forth On positioning sleeve 2, and its opposite end is equipped with the front clamp screens 3a and rear clamping screens 4a of front and back symmetrical V-type, the front clamp Screens 3a and the rear V-type dovetail groove for clamping screens 4a all can be 120 °.The preceding adjusting screw 1 is integrated by being sequentially connected Preceding shaft shoulder 1b, preceding thread section 1a and before turn portion 1c compositions, it is described after adjusting screw 5 by be sequentially connected integrated rear shaft shoulder 5c, Rear thread section 5b and after turn portion 5a composition, and preceding shaft shoulder 1b, preceding thread section 1a and before turn portion 1c integrated molding, the rear shaft shoulder 5c, rear thread section 5b and after turn portion 5a integrated moldings, and before turn portion 1c and after to turn portion 5a can be hexahedron；It is described The rear and front end centre position of positioning sleeve 2 is respectively equipped with logical with the rectangular clamping chamber 2b preceding thread through-hole 2a being connected to and rear thread Hole 2c, before the position of preceding adjusting screw 1 and rear adjusting screw 5 described in 4 face of the preceding compact heap 3 and rear compact heap is respectively equipped with T-type straight slot 3b and rear T-type straight slot 4b；When assembling, the preceding thread section 1a and rear thread section 5b matchingly pass through preceding thread respectively Through-hole 2a and rear thread through-hole 2c, the preceding shaft shoulder 1b and rear shaft shoulder 5c be rotatably set to respectively front T type straight slot 3b and Afterwards in T-type straight slot 4b, turned before described portion 1c and after turn portion 5a and be located on the outside of positioning sleeve 2.The right end of the positioning sleeve 2 is equipped with The axle center of punch pilot hole 2d, the punch pilot hole 2d are by the center of rectangular clamping chamber 2b, and the punch 6 is by being sequentially connected Cutting edge 6a, the guide section 6b and hammering handle 6c compositions of one, the cutting edge 6a, guide section 6b and hammering handle 6c are integrally formed, and The cross sectional shape size of guide section 6b is adapted with punch pilot hole 2d, and axially slidably passes through punch pilot hole 2d, than Such as：The section of the guide section 6b be hexagon, square or triangle, correspondingly, the punch pilot hole 2d be hexagonal hole, Square hole or delthyrium；The cutting edge 6a is triangle cutting edge.

Positioning sleeve 2 in use, be sleeved on nut 7 to be dismantled by nut break-in tool described in the utility model first；Then By turning preceding adjusting screw 1 and rear adjusting screw 5 (turned before turning portion 1c and then turn portion 5a), compact heap 3 before driving It is moved toward nut 7 to be dismantled with rear pressure adjustable block 4, until front clamp screens 3a and the rear screens 4a that clamps tightly are stuck in spiral shell to be dismantled On mother 7；Then punch 6 is inserted into from punch pilot hole 2d and is inserted into rectangular clamping chamber 2b, and compressed with after by preceding compact heap 3 Gap between block 4 is inserted into cutting edge 6a and is contacted with the outer wall of nut 7 to be dismantled, and punch 6 is perpendicular to nut 7 to be dismantled at this time Outer wall；The hammering handle 6c for beating punch 6 finally by tools such as iron hammers hits the relatively thin outer of nut 7 to be dismantled by cutting edge 6a Wall will thrust compared with tenui-exinous and split, complete nut forcible entry.

Simple, quickly and easily the nut that corrosion etc. can not dismantle can be dismantled by the utility model, and The nut break-in tool is simple in structure, and production and processing is easy, and is conducive to popularization and application.

Certainly, the punch 6 can be also inserted on the outside of the left end of positioning sleeve 2 in rectangular clamping chamber 2b, i.e., the described punch Pilot hole 2d can also be set to the left end of positioning sleeve 2.

The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit Decorations are also considered as the scope of protection of the utility model.

Claims

1. a kind of nut break-in tool, it is characterised in that：Include positioning sleeve (2), preceding adjusting screw (1), rear adjusting screw (5), preceding compact heap (3), rear compact heap (4) and punch (6)；Wherein, the positioning sleeve (2) is equipped with rectangular clamping up and down Chamber (2b), the preceding compact heap (3) and rear compact heap (4) are set in rectangular clamping chamber (2b) in which can move forward and backward, and it is opposite Front clamp screens (3a) and rear clamping screens (4a) of the end equipped with front and back symmetrical V-type；The preceding adjusting screw (1) and rear adjusting Screw (5) is penetrated from the rear and front end outside vertical of positioning sleeve (2) in rectangular clamping chamber (2b) respectively, and respectively with preceding compact heap (3) it is drivingly connected with rear compact heap (4)；The punch (6) is inserted into rectangular on the outside of the left end of positioning sleeve (2) or on the outside of right end Clamp in chamber (2b) and by preceding compact heap (3) and after gap between compact heap (4) to be clamped in front clamp screens (3a) and The nut to be dismantled (7) clamped afterwards in screens (4a) is struck, dismantles fracture.

2. nut break-in tool according to claim 1, it is characterised in that：The rectangular clamping chamber (2b) is up and down Cubic elongated slot, the preceding compact heap (3) is parallel with rear compact heap (4) to be relatively set in cubic elongated slot, and left and right ends can before It is slidably stuck in afterwards on the positioning sleeve at left and right sides of cubic elongated slot (2).

3. nut break-in tool according to claim 2, it is characterised in that：The positioning sleeve (2) is that hollow annular is cubic Set, the rectangular centre for clamping chamber (2b) and being located at positioning sleeve (2), and it is concentric with positioning sleeve (2).

4. according to claims 1 or 2 or the 3 nut break-in tools, it is characterised in that：The front clamp screens (3a) and rear folder Tight screens (4a) is 120 ° of V-type dovetail groove.

5. according to claims 1 or 2 or the 3 nut break-in tools, it is characterised in that：The preceding adjusting screw (1) is by successively The preceding shaft shoulder (1b) that is integrally connected, preceding thread section (1a) and before turn portion (1c) composition, it is described after adjusting screw (5) by connecting successively Connect the integrated rear shaft shoulder (5c), rear thread section (5b) and after turn portion (5a) composition；Among the rear and front end of the positioning sleeve (2) Position is respectively equipped with the preceding thread through-hole (2a) being connected to rectangular clamping chamber (2b) and rear thread through-hole (2c)；The preceding compact heap (3) and the position of preceding adjusting screw (1) and rear adjusting screw (5) described in rear compact heap (4) face is respectively equipped with front T type straight slot (3b) and rear T-type straight slot (4b)；When assembling, the preceding thread section (1a) and rear thread section (5b) matchingly pass through preceding thread respectively Through-hole (2a) and rear thread through-hole (2c), the preceding shaft shoulder (1b) and the rear shaft shoulder (5c) are rotatably set to front T type respectively In straight slot (3b) and rear T-type straight slot (4b), turned before described portion (1c) and after turn portion (5a) and be located at positioning sleeve (2) outside.

6. nut break-in tool according to claim 5, it is characterised in that：The preceding shaft shoulder (1b), preceding thread section (1a) and Before turn portion (1c) integrated molding, it is described after the shaft shoulder (5c), rear thread section (5b) and after turn portion (5a) be integrally formed.

7. according to claims 1 or 2 or the 3 or 6 nut break-in tools, it is characterised in that：The left end of the positioning sleeve (2) or Right end is equipped with punch pilot hole (2d), and the axle center of the punch pilot hole (2d) is described by the rectangular center for clamping chamber (2b) Punch (6) is inserted into from punch pilot hole (2d) in rectangular clamping chamber (2b).

8. nut break-in tool according to claim 7, it is characterised in that：The punch (6) is by being sequentially connected integrated sword Mouth (6a), guide section (6b) and hammering handle (6c) form, cross sectional shape size and the punch pilot hole of the guide section (6b) (2d) is adapted, and axially slidably passes through punch pilot hole (2d).

9. nut break-in tool according to claim 8, it is characterised in that：The section of the guide section (6b) be hexagon, Square or triangle, correspondingly, the punch pilot hole (2d) is hexagonal hole, square hole or delthyrium；The cutting edge (6a) For triangle cutting edge.

10. nut break-in tool according to claim 9, it is characterised in that：The cutting edge (6a), guide section (6b) and hammering Handle (6c) is integrally formed.