CN216564800U

CN216564800U - Stress tube seat structure of push rod

Info

Publication number: CN216564800U
Application number: CN202122828032.9U
Authority: CN
Inventors: 杨勇; 卢鹏; 王娟; 李强; 李让
Original assignee: Ningbo Pavales Intelligent Technology Co ltd
Current assignee: Ningbo Pavales Intelligent Technology Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-05-17
Anticipated expiration: 2031-11-18

Abstract

The utility model relates to the technical field of push rods and discloses a stressed pipe seat structure of a push rod, wherein the push rod comprises a driving device, an inner pipe, a pipe seat and a gearbox cover; the tube seat comprises an inner cavity, the inner tube comprises a lead screw, the lead screw penetrates through the inner cavity, two ends of the lead screw are respectively connected with the driving device and the gear box cover, the gear box cover comprises a gear structure, and the lead screw and external equipment are connected through the gear structure; the screw rod comprises a connecting section, the connecting section is arranged in the inner cavity, a thrust bearing and a deep groove ball bearing are sleeved on the connecting section, and a separation blade is arranged between the thrust bearing and the deep groove ball bearing; the deep groove ball bearings, the blocking pieces and the thrust bearings are arranged in sequence along the direction from the driving device to the gearbox cover; bear axial load through thrust bearing, the axial displacement of restriction axle and casing to play the guide effect through deep groove ball bearing, receiving thrust and tensile in-process, drive external equipment steady operation through thrust bearing, the cooperation of deep groove ball bearing jointly.

Description

Stress tube seat structure of push rod

Technical Field

The utility model relates to the technical field of push rods, in particular to a stressed tube seat structure of a push rod.

Background

The electric push rod is a novel linear actuating mechanism which is mainly composed of a motor push rod, a control device and other mechanisms, the electric push rod is an electric driving device which converts the rotary motion of a motor into the linear reciprocating motion of the push rod, and can be used as an actuating machine in various simple or complex process flows so as to realize remote control, centralized control or automatic control.

Electric putter has extensive application, and mainly used replaces the manual work to operate, like the switch door, and foodstuff groove adds at regular time and quantity, all can realize these functions through controlling this electric putter straight line concertina movement. The method is quick, time-saving, safe and labor-saving, and greatly saves labor cost.

The pipe seat part of the push rod on the market is mostly provided with two one-way thrust bearings or a two-way thrust bearing, and when the front joint is subjected to thrust or pulling force, the front joint cannot play a role in guiding, so that the front joint is not stable in the operation process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stressed tube seat structure of a push rod, and aims to solve the problem that in the prior art, only one-way thrust bearing or one two-way thrust bearing is arranged, so that the function of guiding movement cannot be achieved, and the push rod is unstable in the operation process.

The utility model is realized in such a way that the push rod is of a stressed pipe seat structure, wherein the push rod comprises a driving device, an inner pipe, a pipe seat and a gearbox cover; the tube seat comprises an inner cavity, the inner tube comprises a lead screw, the lead screw penetrates through the inner cavity, two ends of the lead screw are respectively connected with the driving device and the gearbox cover, the gearbox cover comprises a gear structure, and the lead screw and external equipment are connected through the gear structure; the screw rod comprises a connecting section, the connecting section is arranged in the inner cavity, a thrust bearing and a deep groove ball bearing are sleeved on the connecting section, and a blocking piece is arranged between the thrust bearing and the deep groove ball bearing; and the deep groove ball bearings, the blocking pieces and the thrust bearings are sequentially arranged along the direction from the driving device to the gearbox cover.

Further, the thrust bearing is a one-way thrust bearing.

Furthermore, the connecting section comprises an installation section, the diameter of the installation section is smaller than that of the thrust bearing and the deep groove ball bearing, and the installation section is sleeved with the blocking piece.

Further, the push rod comprises a nut and a steel plate, the nut is sleeved with the lead screw, the steel plate is sleeved on the periphery of the nut and fixed with the tube seat through screws.

Further, the inner cavity has an opening facing the nut, and the steel plate covers the inner cavity.

Furthermore, the upper end and the lower end of the one-way thrust bearing are respectively abutted to the steel plate and the baffle plate.

Further, the gear structure comprises a first bevel gear, a second bevel gear and a connecting rod; the screw rod is connected with the first bevel gear, the second bevel gear is connected with the connecting rod, and the first bevel gear is meshed with the second bevel gear.

Furthermore, the second bevel gear is sleeved on the connecting rod.

Further, the first bevel gear is located right below the second bevel gear and the connecting rod.

Compared with the prior art, the stressed tube seat structure of the push rod provided by the utility model has the advantages that when the driving device drives the lead screw to rotate, the lead screw drives the gear structure to move, so that the external equipment is driven; in the process of the rotation of the lead screw, the thrust bearing and the deep groove ball bearing are arranged in the tube seat, in the process of the rotation of the lead screw, the thrust bearing bears axial load to limit the axial displacement of the shaft and the shell, the deep groove ball bearing plays a role in guiding, and in the process of receiving thrust and tension, the thrust bearing and the deep groove ball bearing are matched together to drive external equipment to operate stably.

Drawings

FIG. 1 is a perspective view of a putter according to the present invention;

FIG. 2 is a schematic internal view of a tube seat provided by the present invention;

FIG. 3 is a schematic internal view of a tube seat provided by the present invention;

fig. 4 is a perspective view of the housing of the tube seat provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

Referring to fig. 1-4, preferred embodiments of the present invention are shown.

The structure of a stress tube seat 200 of the push rod comprises a driving device, an inner tube, a tube seat 200 and a gear box cover 100; the inner tube includes a lead screw 300, the lead screw 300 is disposed through the socket 200, and both ends of the lead screw 300 are connected to the driving device and the gear box cover 100, respectively.

The tube holder 200 includes an inner cavity 240, the lead screw 300 penetrates the inner cavity 240, and the gear box cover 100 includes a gear structure, and is connected with the lead screw 300 and an external device through the gear structure; when the driving device drives the screw 300 to rotate, the screw 300 drives the gear structure to work, and then drives the external device to operate, so as to drive the external device.

The lead screw 300 comprises a connecting section 310, the connecting section 310 is arranged in the inner cavity 240, the connecting section 310 is sleeved with a thrust bearing 210 and a deep groove ball bearing 230, and a baffle 220 is arranged between the thrust bearing 210 and the deep groove ball bearing 230; along the direction from the driving device to the gearbox cover 100, the deep groove ball bearings 230, the blocking piece 220 and the thrust bearing 210 are arranged in sequence, and the deep groove ball bearings 230 are guided by the stress of the thrust bearing 210.

In the structure of the stressed tube seat 200 of the push rod, when the driving device drives the lead screw 300 to rotate, the lead screw 300 drives the gear structure to move, so that the external equipment is driven; in the running process of the lead screw 300, the thrust bearing 210 and the deep groove ball bearing 230 which are arranged in the tube seat 200 bear axial load through the thrust bearing 210 in the running process of the lead screw 300, so that the axial displacement of a shaft and a shell is limited, the deep groove ball bearing 230 plays a guiding role, and in the running process of thrust and tension, the thrust bearing 210 and the deep groove ball bearing 230 are matched together to drive external equipment to run stably.

Further, the thrust bearing 210 in the present invention is a one-way thrust bearing 210.

The connecting section 310 includes a mounting section, the diameter of the mounting section is smaller than the diameter of the thrust bearing 210 and the deep groove ball bearing 230, and the catch 220 is sleeved on the mounting section.

The push rod comprises a nut 260 and a steel plate 270, the nut 260 is sleeved with a lead screw 300 and arranged, the steel plate 270 is sleeved on the periphery of the nut 260, a plurality of threaded holes 250 which are arranged at intervals are formed in the periphery of an inner cavity 240, the steel plate 270 and a tube seat 200 are fixed through screws, the inner cavity 240 is provided with an opening facing the nut 260, the steel plate 270 just covers the opening, and a thrust bearing 210, a deep groove ball bearing 230 and a separation blade 220 are covered in the tube seat 200.

The gear box cover 100 includes a housing, a first bevel gear 110, a second bevel gear 120, and a connecting rod 130; the first bevel gear 110, the second bevel gear 120 and the connecting rod 130 are arranged in the shell, and the end part of the screw 300 extends into the shell to be connected with the first bevel gear 110; the second bevel gear 120 and the connecting rod 130 are located right above the first bevel gear 110, and the first bevel gear 110 is meshed with the second bevel gear 120, when the lead screw 300 rotates, the first bevel gear 110 is driven to rotate, the first bevel gear 110 drives the second bevel gear 120 to rotate, and the second bevel gear 120 drives the connecting rod 130 to rotate, so as to drive an external device.

Further, the upper and lower both ends of one-way thrust bearing 210 are butt joint steel sheet 270, separation blade 220 respectively, and when preceding joint received thrust, the atress direction was: the inner pipe, the lead screw 300, the baffle 220, the one-way thrust bearing 210, the steel plate 270, the gearbox cover 100 and the connecting rod 130. When preceding joint received the pulling force, the atress direction was: the inner tube, the lead screw 300, the nut 260, the one-way thrust bearing 210, the baffle 220 and the tube seat 200.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The structure of the stressed pipe seat of the push rod is characterized in that the push rod comprises a driving device, an inner pipe, a pipe seat and a gearbox cover; the tube seat comprises an inner cavity, the inner tube comprises a lead screw, the lead screw penetrates through the inner cavity, two ends of the lead screw are respectively connected with the driving device and the gearbox cover, the gearbox cover comprises a gear structure, and the lead screw and external equipment are connected through the gear structure; the screw rod comprises a connecting section, the connecting section is arranged in the inner cavity, a thrust bearing and a deep groove ball bearing are sleeved on the connecting section, and a blocking piece is arranged between the thrust bearing and the deep groove ball bearing; and the deep groove ball bearings, the blocking pieces and the thrust bearings are sequentially arranged along the direction from the driving device to the gearbox cover.

2. The carrier structure for a putter of claim 1 wherein said thrust bearing is a one-way thrust bearing.

3. The stressed tube socket structure of a push rod of claim 2, wherein the connecting section comprises a mounting section, the diameter of the mounting section is smaller than the diameter of the thrust bearing and the diameter of the deep groove ball bearing, and the blocking piece is sleeved on the mounting section.

4. The structure of a thrust tube seat of a push rod according to any one of claims 2 to 3, wherein the push rod comprises a nut and a steel plate, the nut is sleeved on the lead screw, the steel plate is sleeved on the periphery of the nut, and the steel plate and the tube seat are fixed through screws.

5. The thrust tube socket structure of claim 4, wherein said inner cavity has an opening facing said nut, and said steel plate covers said inner cavity.

6. The carrier structure for a push rod of claim 4, wherein upper and lower ends of said one-way thrust bearing abut against said steel plate and said stopper, respectively.

7. A thrust-tube seat structure of a push rod according to any one of claims 1 to 3, wherein said gear structure includes a first bevel gear, a second bevel gear and a connecting rod; the screw rod is connected with the first bevel gear, the second bevel gear is connected with the connecting rod, and the first bevel gear is meshed with the second bevel gear.

8. The tube-receiving structure of a push rod according to claim 7, wherein said second bevel gear is sleeved on said connecting rod.

9. The carrier structure for a putter of claim 8 wherein said first bevel gear is located directly below said second bevel gear and said connecting rod.