CN211778818U

CN211778818U - Special ball screw for pressurization of electric tool

Info

Publication number: CN211778818U
Application number: CN202020351144.2U
Authority: CN
Inventors: 刘纪委; 孙素志
Original assignee: Jining Yicheng Rolling Parts Co ltd
Current assignee: Jining Yicheng Rolling Parts Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-10-27
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses a special ball screw of electric tool pressurization belongs to mechanical transmission technical field, including the lead screw, the beneficial effects of the utility model are that: through using ball to electric tool, stability when improving the lead screw rotation, the lead screw is transmitted by motor drive multiple gear mechanism, not with motor snap-on, alleviate the lead screw burden, the ball body transmission of cooperation nut and screw post, improve lead screw transmission's stability, when using electric tool, lead screw rotational frequency is too fast, easily produce the vibration, cushion through being equipped with damping spring, good vibration/noise reduction effect has, pour into emollient through the oil supply end to the nut, during the ball body transmission, reduce the degree of wear between the ball body, the nut seals up the socket both ends through the dust ring, avoid emollient side leakage, prevent simultaneously in the dust gets into the nut, overall structure is reasonable, the practicality is high, great improvement electric tool's characteristics such as result of use and life.

Description

Special ball screw for pressurization of electric tool

Technical Field

The utility model relates to an electric tool, in particular to special ball screw of electric tool pressurization belongs to mechanical transmission technical field.

Background

Ball is the ideal product that turns into rotary motion with rotary motion, or turns into rotary motion with linear motion, uses ball in this paper to electric tool, and electric tool generally adopts the motor directly to carry out direct drive to the lead screw more now, and when pressurizeing, the lead screw bears the burden great, and transmission speed is unstable simultaneously, leads to the fact the damage to whole, great influence electric tool's life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special ball screw of electric tool pressurization to solve the electric tool that proposes among the above-mentioned background art now generally adopt the motor more directly to carry out direct drive to the lead screw, when the pressurization, the lead screw bears the burden great, and transmission speed is unstable simultaneously, causes the damage to the whole, great influence electric tool's life.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special ball of electric tool pressurization, includes the lead screw, the one end fixedly connected with of lead screw is from the driving wheel, the bottom from the driving wheel is equipped with the drive wheel, one side of drive wheel is equipped with the action wheel, the one end fixedly connected with end from the driving wheel is kept away from to the lead screw, it has fixed cover and is close to one side from the driving wheel to alternate on the lead screw, the lead screw alternates there is the nut and is located between end and the fixed cover, the four corners of keeping away from mutually between nut and the fixed cover all is connected with damping spring, one side fixedly connected with drill chuck of nut is.

As an optimal technical scheme of the utility model, the lead screw includes the screw thread post, the screw thread post is established and is served and be located between end and the fixed cover at the lead screw, be equipped with a plurality of ball body on the thread groove of screw thread post and be located the nut.

As a preferred technical scheme of the utility model, fixed cover includes the cuff, the cuff is established on one side that fixed cover kept away from the nut, the border department fixedly connected with seal ring of cuff, four ends that fixed cover was kept away from mutually all are equipped with the perforation and correspond with damping spring.

As a preferred technical scheme of the utility model, the nut includes the oil feed end, the oil feed end is established on the top of nut, the inner wall that the socket was worn to the nut is equipped with the ball groove with the ball body department of correspondence, the equal fixedly connected with dust ring in both ends that the socket kept away from mutually is worn to the oil feed end, oil feed end and ball groove link up mutually.

As a preferred technical scheme of the utility model, damping spring's one end fixed connection is on the nut, damping spring's the other end alternates the perforation fixed connection on electric tool's port, seal ring adopts the rubber material.

As a preferred technical scheme of the utility model, the one end meshing of following driving wheel and drive wheel is connected, the other end and the action wheel meshing of drive wheel are connected.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a special ball screw for pressurizing an electric tool, which is applied to the electric tool, the stability of the screw rod during rotation is improved, the screw rod is driven by the motor to drive the multi-gear mechanism and is not directly fixed with the motor, the load of the screw rod is reduced, the stability of the screw rod transmission is improved by matching with the ball body transmission of the nut and the threaded column, when the electric tool is used, the screw rod has too high rotation frequency and is easy to vibrate, and the damping spring is arranged for buffering, so that the electric tool has good damping and noise reduction effects, by filling lubricant into the oil supply end of the nut, the abrasion degree between the ball bodies is reduced when the ball bodies are driven, the nut seals the two ends of the inserting opening through the dustproof ring, the side leakage of the lubricant is avoided, prevent simultaneously that the dust from getting into in the nut, overall structure is reasonable, and the practicality is high, great improvement electric tool's characteristics such as result of use and life.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic plan sectional structural view of the nut of the present invention;

fig. 3 is a schematic view of the side view plane structure of the fixing sleeve of the present invention.

In the figure: 1. a screw rod; 2. a driven wheel; 3. a driving wheel; 4. a driving wheel; 5. fixing a sleeve; 6. a nut; 7. a tip; 8. a drill chuck; 9. a damping spring; 11. a threaded post; 12. a ball body; 51. looping; 52. a sealing gasket; 53. perforating; 61. an oil supply end; 62. a ball groove; 63. a dust ring.

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.

Please refer to fig. 1-3, the utility model provides a special ball screw of electric tool pressurization, including lead screw 1, the one end fixedly connected with of lead screw 1 follows driving wheel 2, the bottom from driving wheel 2 is equipped with drive wheel 3, one side of drive wheel 3 is equipped with action wheel 4, lead screw 1 keeps away from the one end fixedly connected with end 7 from driving wheel 2, it has fixed cover 5 and is close to one side from driving wheel 2 to alternate on the lead screw 1, lead screw 1 has nut 6 and is located between end 7 and the fixed cover 5 to alternate, the four corners of keeping away from mutually between nut 6 and the fixed cover 5 all is connected with damping spring 9, one side fixedly connected with drill chuck 8 of nut 6 is kept away from to end 7, through using ball screw in the electric tool, stability when improving lead screw 1 and rotating.

The screw rod 1 comprises a threaded column 11, the threaded column 11 is arranged at one end of the screw rod 1 and is positioned between an end head 7 and a fixing sleeve 5, a plurality of ball bodies 12 are arranged on a thread groove of the threaded column 11 and are positioned in a nut 6, the fixing sleeve 5 comprises a sleeve opening 51, the sleeve opening 51 is arranged on one side of the fixing sleeve 5 far away from the nut 6, a sealing washer 52 is fixedly connected at the edge of the sleeve opening 51, four ends of the fixing sleeve 5 far away are provided with through holes 53 and correspond to damping springs 9, when the electric tool is used, the screw rod 1 rotates too fast and is easy to vibrate, the damping springs 9 are used for buffering, good damping and noise reduction effects are achieved, the nut 6 comprises an oil supply end 61, the oil supply end 61 is arranged at the top end of the nut 6, a ball groove 62 is arranged at the position where the inner wall of the socket of the nut 6 penetrates through the ball body 12, dust rings 63 are fixedly connected at two ends of the oil supply end 61 far away from the socket, the oil supply end, through pouring into emollient to the oil feed end 61 of nut 6, during the transmission of ball body 12, reduce the degree of wear between the ball body 12, nut 6 seals the socket both ends of wearing through dust ring 63, avoid the emollient side leakage, prevent simultaneously that the dust from getting into in the nut 6, damping spring 9's one end fixed connection is on nut 6, damping spring 9's the other end alternates through perforation 53 fixed connection on electric tool's port, seal ring 52 adopts the rubber material, from the meshing of the one end of driving wheel 2 and drive wheel 3 and connect, the other end of drive wheel 3 is connected with action wheel 4 meshing, lead screw 1 is driven by motor drive multiple gear mechanism, do not with motor snap-on, alleviate lead screw 1 burden, cooperate nut 6 and the ball body 12 transmission of screw post 11, improve lead screw 1 driven stability.

When in specific use, the special ball screw for pressurizing the electric tool of the utility model is characterized in that the driven wheel 2, the driving wheel 3 and the driving wheel 4 are all arranged in corresponding mounting grooves in the electric tool, one end of the driving wheel 4 far away from the driven wheel 2 is fixedly connected to a motor in the electric tool, the motor drives the driving wheel 4 to rotate, the driving wheel 4, the driving wheel 3 and the driven wheel 2 sequentially transmit to drive the screw rod 1 to rotate, the multi-gear transmission relatively directly transmits to reduce the burden of the screw rod 1 and facilitate the improvement of the stability during transmission, the fixed sleeve 5 is sleeved on the port of the electric tool and is fixed with the port, when the screw rod 1 rotates, the buffering effect of the damping spring 9 is utilized, the damping effect is good, the transmission structure of the ball body 12 inside the nut 6 is the prior art, and no redundant description is given, the top end of the nut 6 is provided with an oil supply end 61 which can be filled with lubricant, and the nut 6 seals two ends of the inserting opening through a dustproof ring 63.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special ball screw of electric tool pressurization, its characterized in that, includes lead screw (1), the one end fixedly connected with of lead screw (1) is from driving wheel (2), the bottom from driving wheel (2) is equipped with drive wheel (3), one side of drive wheel (3) is equipped with action wheel (4), one end fixedly connected with end (7) from driving wheel (2) are kept away from to lead screw (1), it has fixed cover (5) and is close to one side from driving wheel (2) to alternate on lead screw (1), lead screw (1) is alternate and has nut (6) and be located between end (7) and fixed cover (5), the four corners of keeping away from mutually between nut (6) and fixed cover (5) all is connected with damping spring (9), one side fixedly connected with drill chuck (8) of nut (6) are kept away from in end (7).

2. The ball screw special for pressurizing electric tool as claimed in claim 1, wherein the screw (1) comprises a threaded column (11), the threaded column (11) is arranged at one end of the screw (1) and located between the end (7) and the fixed sleeve (5), and a plurality of ball bodies (12) are arranged on a thread groove of the threaded column (11) and located in the nut (6).

3. The ball screw special for pressurizing electric tools as claimed in claim 1, wherein the fixing sleeve (5) comprises a sleeve opening (51), the sleeve opening (51) is arranged on one side of the fixing sleeve (5) far away from the nut (6), a sealing washer (52) is fixedly connected to the edge of the sleeve opening (51), and four ends of the fixing sleeve (5) far away are provided with through holes (53) and correspond to the damping springs (9).

4. The ball screw special for pressurization of electric tool according to claim 1, wherein the nut (6) comprises an oil supply end (61), the oil supply end (61) is arranged at the top end of the nut (6), a ball groove (62) is arranged at the position, corresponding to the ball body (12), of the inner wall of the insertion opening of the nut (6), dust rings (63) are fixedly connected to two ends, far away from the insertion opening, of the oil supply end (61), and the oil supply end (61) is communicated with the ball groove (62).

5. The ball screw special for pressurizing the electric tool as claimed in claim 3, wherein one end of the damping spring (9) is fixedly connected to the nut (6), the other end of the damping spring (9) is fixedly connected to the port of the electric tool through a through hole (53), and the sealing washer (52) is made of rubber.

6. The ball screw special for pressurizing electric tools as claimed in claim 1, wherein the driven wheel (2) is meshed with one end of the driving wheel (3), and the other end of the driving wheel (3) is meshed with the driving wheel (4).