CN211867667U

CN211867667U - Auxiliary switch of stress application rod

Info

Publication number: CN211867667U
Application number: CN202020383715.0U
Authority: CN
Inventors: 贺秀云
Original assignee: Tianjin Chuangda Technology Co ltd
Current assignee: Tianjin Chuangda Technology Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-11-06
Anticipated expiration: 2030-03-24

Abstract

The utility model discloses an extension bar auxiliary switch, including the extension bar, the left side wall of extension bar just is located intermediate position fixedly connected with playback screw rod, threaded inside swing joint has the removal post, the inside of extension bar just is close to the right side and is provided with interior pole, the right side swing joint of removal post is in the inside of interior pole, the surface of removal post just is located the inside of interior pole and is provided with expanding spring, the upper surface of interior pole just is close to the intermediate position and is provided with the spacing groove, the top of spacing groove just is located the last fixed surface of extension bar and is connected with the extension switch. The utility model discloses, can realize flexible, can be applicable to the narrow dismantlement that has the bolt that the part blockked in space, simple to use can not produce when extending the use and rock, and long service life adopts two sets of telescopic switch, and the injury that brings for operating personnel of maloperation when avoiding using can be dismantled to the application of force pole, conveniently maintains.

Description

Auxiliary switch of stress application rod

Technical Field

The utility model relates to a stress application pole device field especially relates to stress application pole auxiliary switch.

Background

During machining, assembly and maintenance, very tight bolts are sometimes encountered. When the bolt is disassembled and assembled, the stressing rod is adopted to assist operation, so that the bolt can be easily disassembled, and the consumed physical power is less.

However, some disassembly and assembly are limited by space, other parts of the product are blocked, and no rotating space exists, so that the common force applying rod cannot be used, the disassembly and assembly become troublesome, and the efficiency is reduced. The existing stress application rods capable of stretching are also provided, but the stretching operation is troublesome, the stretching switch is often touched in the using process, the stress application rods stretch, the hands of operators bump against other parts, the hands are bumped, and the use is unsafe.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an auxiliary switch of a stress application rod.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the auxiliary switch of the extension bar comprises an extension bar, wherein a return screw is fixedly connected to the left side wall of the extension bar and positioned at the middle position, threads are arranged inside the return screw, a moving column is movably connected inside the threads, an inner rod is arranged inside the extension bar and close to the right side, a sleeve is fixedly connected to the right side wall of the inner rod, a limit screw is fixedly connected to the left side wall of the inner rod, the right side of the moving column is movably connected inside the inner rod, a telescopic spring is arranged on the surface of the moving column and positioned inside the inner rod, a limit groove is arranged on the upper surface of the inner rod and close to the middle position, an extension switch is fixedly connected to the upper surface of the limit groove and positioned on the extension bar, an adjusting screw is fixedly connected to the top of the extension switch, a supporting screw is movably connected to the side wall of the adjusting screw, and a lifting spring is fixedly connected to, the lower surface of the adjusting screw is movably connected with a limiting ball.

As a further description of the above technical solution:

the inside of extension bar just is located right side fixedly connected with fixed lasso.

As a further description of the above technical solution:

the surface of extension bar just is close to left side edge fixedly connected with antiskid cover.

As a further description of the above technical solution:

the inside of extension bar just is close to right side fixedly connected with dog.

As a further description of the above technical solution:

the upper surface and the lower surface of the inner rod are fixedly connected with limiting blocks close to the left edge.

As a further description of the above technical solution:

the adjusting screw rotates upwards to drive the limiting ball to move upwards.

As a further description of the above technical solution:

the extension and fixation of the inner rod can be realized through rotation of the homing screw rod.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this application of force pole auxiliary switch can realize flexible, and the narrow dismantlement that has the bolt that the part blockked of ability application space, and is simple to use, can not produce when the extension is used and rock, and life is longer.

2. Compared with the prior art, this application of force pole auxiliary switch adopts two sets of telescopic switch, and the injury that brings for operating personnel of maloperation when having avoided the use can be dismantled to the application of force pole, conveniently maintains the application of force pole.

Drawings

Fig. 1 is a schematic view of the overall structure of the auxiliary switch of the force application rod of the present invention;

fig. 2 is a schematic view of the overall structure of the extension switch of the auxiliary switch of the force application rod of the present invention;

fig. 3 is a partial enlarged view of fig. 1-a of the auxiliary switch of the force application rod of the present invention.

Illustration of the drawings:

1. lengthening a rod; 2. moving the column; 3. a thread; 4. a screw rod is reset; 5. an anti-slip sleeve; 6. a limit screw; 7. an extension switch; 8. a limiting groove; 9. a stopper; 10. fixing the ferrule; 11. an inner rod; 12. a sleeve; 13. a tension spring; 14. a limiting block; 15. adjusting the screw; 16. a support screw; 17. a lift spring; 18. and a limiting ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the utility model provides a stress application pole auxiliary switch: comprises an extension bar 1, a homing screw rod 4 is fixedly connected on the left side wall of the extension bar 1 and positioned at the middle position, threads 3 are arranged inside the homing screw rod 4, a moving post 2 is movably connected inside the threads 3, an inner rod 11 is arranged inside the extension bar 1 and close to the right side, the homing screw rod 4 is used for screwing the inner rod 11, the inner rod 11 cannot extend, the moving post 2 is used for assisting the extension of the inner rod, the extension is ensured not to shake, a sleeve 12 is fixedly connected on the right side wall of the inner rod 11 and used for disassembling and assembling bolts, a limiting screw rod 6 is fixedly connected on the left side wall of the inner rod 11 and used for preventing the moving post 6 from separating from the inner rod 11, the right side of the moving post 2 is movably connected inside the inner rod 11, a telescopic spring 13 is arranged on the surface of the moving post 2 and positioned inside the inner rod 11, the inner rod 11 can extend and contract, a limiting groove 8, top of spacing groove 8 and the last fixed surface who is located extension bar 1 are connected with extension switch 7, when not extending, extension switch 7 can block pole 11 extension in spacing groove 8 does not let, extension switch 7 top fixedly connected with adjusting screw 15, adjusting screw 15's lateral wall swing joint has supporting screw 16, supporting screw 16's lower fixed surface is connected with lifting spring 17, adjusting screw 15's lower surface swing joint has spacing ball 18, adjusting screw 15 can let spacing ball 18 go up and down to interior pole 11 fixed and let interior pole 11 extension.

Extension bar 1's inside and be located right side fixedly connected with retaining ring 10, after interior pole 11 extends, retaining ring 10 can prevent that pole 11 from rocking in the pole that adds force when using, extension bar 1's surface and be close to left side edge fixedly connected with antiskid cover 5, extension bar 1's inside and be close to right side fixedly connected with dog 9, interior pole 11's upper and lower surface just is close to left side edge fixedly connected with stopper 14, 11 continuation extension in stopper 14 and the contact of dog 9 blockking, adjusting screw 15 upwards rotates can drive stop ball 18 and up remove, pole 11's extension and fixed in the extension can be realized through the rotation to homing screw rod 4.

The working principle is as follows: during the use, rotate adjusting screw 15 earlier and upwards mention spacing ball 18, let spacing ball 18 can not block spacing groove 8, then rotatory homing screw rod 4 makes interior pole 11 extend under expanding spring 13's effect, then the stress application pole just can use. The inner rod 11 is retracted, the inner rod 11 is pressed back to the limit, then the returning screw rod 4 is rotated to fix the inner rod 11, and the adjusting screw rod 15 is rotated downwards to enable the extension switch 7 to clamp the limiting groove 8. The stress application rod is simple to use and can be stretched.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Add power pole auxiliary switch, including extension bar (1), its characterized in that: the left side wall of extension bar (1) just is located intermediate position fixedly connected with playback screw rod (4), the inside of playback screw rod (4) is provided with screw thread (3), the inside swing joint of screw thread (3) has removal post (2), the inside of extension bar (1) just is close to the right side and is provided with interior pole (11), the right side wall fixedly connected with sleeve (12) of interior pole (11), the left side wall fixedly connected with stop screw (6) of interior pole (11), the right side swing joint of removal post (2) is in the inside of interior pole (11), the surface of removal post (2) just is located the inside of interior pole (11) and is provided with expanding spring (13), the upper surface of interior pole (11) just is close to the intermediate position and is provided with spacing groove (8), the top of spacing groove (8) just is located the upper surface fixedly connected with extension switch (7) of extension bar (1), extension switch (7) top fixedly connected with adjusting screw (15), the lateral wall swing joint of adjusting screw (15) has supporting screw (16), the lower fixed surface of supporting screw (16) is connected with lift spring (17), the lower surface swing joint of adjusting screw (15) has spacing ball (18).

2. The assistive lever switch of claim 1, wherein: the inside of extension bar (1) just is located right side fixedly connected with fixed lasso (10).

3. The assistive lever switch of claim 1, wherein: the surface of the extension bar (1) is fixedly connected with an anti-slip sleeve (5) close to the edge of the left side.

4. The assistive lever switch of claim 1, wherein: the inside of extension bar (1) just is close to right side fixedly connected with dog (9).

5. The assistive lever switch of claim 1, wherein: the upper surface and the lower surface of the inner rod (11) are fixedly connected with a limiting block (14) close to the left edge.

6. The assistive lever switch of claim 1, wherein: the adjusting screw (15) rotates upwards to drive the limiting ball (18) to move upwards.

7. The assistive lever switch of claim 1, wherein: the reset screw rod (4) can realize the extension and fixation of the inner rod (11) through rotation.