CN211405739U

CN211405739U - Electric putter's bearing structure and electric putter

Info

Publication number: CN211405739U
Application number: CN201922334781.9U
Authority: CN
Inventors: 李丰
Original assignee: Zhejiang Jiecang Linear Motion Technology Co Ltd
Current assignee: Zhejiang Jiecang Linear Motion Technology Co Ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-09-01
Anticipated expiration: 2029-12-23

Abstract

The utility model provides an electric putter's supporting structure, draw (5) including lead screw (1), drive gear (2), bearing (3), bearing frame (4), shell and tail of lead screw (1) motion, bearing frame (4) with be fixed connection between lead screw (1), be clearance fit between bearing frame (4) and gear (2), axial force on lead screw (1) passes through bearing frame (4) transmit on the tail is drawn (5). Additionally, the utility model also discloses an electric putter who adopts above-mentioned bearing structure, the utility model has the advantages of, when using, the axial force that electric putter received can directly transmit bearing frame (4) through lead screw (1) on, the screw does not receive great axial force among the bearing structure to prevent to lead to electric putter life-span to reduce because of the screw damage, further increased electric putter's life.

Description

Electric putter's bearing structure and electric putter

[ technical field ] A method for producing a semiconductor device

The utility model relates to an electric putter's bearing structure and electric putter belongs to the electric putter field.

[ background of the invention ]

At present, the electric push rod is more and more widely used, and the rotation motion of a driving motor is converted into the linear motion of the push rod by utilizing a lead screw nut transmission mode, a common supporting structure of the electric push rod comprises parts such as a gear, a bearing seat, a tail pull and the like, for example, a novel electric push rod disclosed by Chinese patent CN110247507A comprises a supporting seat, a motor, a transmission mechanism, a lead screw, a nut, an inner pipe and an outer pipe, wherein the transmission mechanism comprises the gear, the supporting seat comprises the bearing, the bearing seat lead screw realizes the rotation relative to a shell through the bearing, the bearing is fixed on the shell through the bearing seat, the tail pull is arranged at one end of the outer pipe, when in use, the axial force received by the lead screw is transmitted to the tail pull through the lead screw, the gear, the bearing and the bearing seat, so as to support the electric push rod, however, and use the screw connection, wherein need increase elastic sealing element between each connection face to reach water-proof effects, axial force passes through the gear and transmits the bearing frame for the gear box atress, the elastic sealing element between the gear box two parts produces the deformation, leads to producing the clearance between the screw and the screw hole of connecting these two parts, and in the same way, also produces the clearance between the screw and the screw hole between gear box and the bearing frame, thereby has reduced electric putter's life.

[ Utility model ] content

The utility model aims to solve the technical problem that an electric putter's supporting structure is provided for can increase electric putter's life.

In order to solve the technical problem, the utility model discloses electric putter's supporting structure's preferred structure includes the lead screw, drives gear, bearing frame, shell and the tail of lead screw motion are drawn, the bearing frame is used for the location bearing, the bearing frame with be fixed connection between the lead screw, be clearance fit between bearing frame and the gear, the bearing frame with the tail draw contact perhaps the bearing frame pass through the shell with the tail is drawn continuously, and the axial force on the lead screw passes through the bearing frame is transmitted the tail is drawn.

After the structure is adopted, firstly, the supporting structure of the electric push rod comprises a screw rod, a gear driving the screw rod to move, a bearing seat, a shell and a tail pull rod, the electric push rod is connected with an external component through the tail pull rod, when the structure is used, the gear drives the screw rod to move, axial force is transmitted to the tail pull rod through the screw rod, the bearing seat is used for positioning the bearing, so that the screw rod can rotate through the bearing, the bearing seat is fixedly connected with the screw rod, so that the screw rod can transmit the axial force to the tail pull rod through the bearing seat, the bearing seat is in clearance fit with the gear, namely the gear does not transmit the axial force, the bearing seat is contacted with the tail pull rod or the bearing seat is connected with the tail pull rod through the shell, the axial force on the screw rod is transmitted to the tail pull rod through the, need not through the gear alright transmit the axial force to the bearing frame on, the rethread bearing frame will transmit the tail and draw, thereby support electric putter, make the axial force transmission not pass through the gear, thereby the axial force is not transmitted on the gear box that holds the gear, and the bearing frame does not link to each other with the gear box, thereby when the support, the screw does not receive great axial force in electric putter's the bearing structure, and then prevent to lead to electric putter life-span reduction because of the screw damage, electric putter's life has further been increased.

Secondly, because the gear does not bear the axial force, so can reduce its wall thickness, the connecting screw of gear box only needs to guarantee sealed to reducible volume for the part quantity in the bearing structure of electric putter is still less, and the assembly degree of difficulty is lower.

Preferably, the bearing seat is provided with threads, the bearing seat is in threaded connection with the screw rod through the threads, and the axial force on the screw rod is transmitted to the bearing seat through the threads.

Preferably, the supporting structure comprises a tail pulling seat, a groove is formed in the tail pulling seat, the bearing seat is located in the groove, and the bearing seat and the tail pulling seat are relatively fixed in the length direction of the screw rod through the groove.

Preferably, the tail pulling seat is fixedly connected with the shell, so that the bearing seat and the shell are relatively fixed along the length direction of the lead screw.

Preferably, the surface of the tail seat contacting the shell is provided with an elastic sealing element, so that the supporting structure can be waterproof.

Preferably, the bearing seat is provided with plane bearings at two ends thereof in the length direction of the screw rod, the plane bearings are positioned in the grooves of the tail pulling seat, and the bearing seat rotates relative to the tail pulling seat through the plane bearings.

Preferably, one end of the plane bearing is in contact with the bearing seat, the other end of the plane bearing is in contact with the tail pull, the bearing seat rotates relative to the tail pull through the plane bearing, and the axial force of the bearing seat is transmitted to the tail pull through the plane bearing.

Preferably, the surface of the tail pulling seat, which is contacted with the bearing seat and the tail pulling seat, is provided with an elastic sealing element, so that the supporting structure can be waterproof.

Preferably, the screw rod and the gear are connected through a key, so that the gear can drive the screw rod to move.

In addition, the utility model also discloses an electric putter, including inner tube, outer tube, drive arrangement and bearing structure.

By adopting the structure, when the electric push rod is used, the axial force applied to the electric push rod can be directly transmitted to the bearing seat through the screw rod, so that the service life of the electric push rod is prolonged.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be described in further detail with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of a supporting structure of the present embodiment;

FIG. 2 is a schematic view of a bearing seat and a screw rod in a supporting structure according to the present embodiment;

FIG. 3 is a schematic view of a tail pull in a supporting structure of the present embodiment;

FIG. 4 is a schematic view of the left side of the bearing seat in a support structure of the present embodiment;

FIG. 5 is a schematic view of the right side of a bearing seat in a support structure of the present embodiment;

fig. 6 is a schematic view of a tail pulley in a supporting structure of the present embodiment.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the following description, the terms "inside", "outside", "upper", "lower", "left", "right", and the like, which indicate orientations or positional relationships, are used to indicate orientations or positional relationships based on the drawings, and are only used for convenience in describing embodiments and simplifying the description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The first embodiment is as follows:

as shown in fig. 1, the preferred structure of the supporting structure of the electric putter of this embodiment includes a screw rod 1, a gear 2, a bearing 3, a bearing seat 4, a housing, and a tail 5, where the bearing seat 4 is used to fix the bearing 3, the screw rod 1 rotates relative to the housing through the bearing 3, the bearing seat 4 is connected to the tail 5 through the housing, the bearing seat 4 is fixedly connected to the screw rod 1, the bearing seat 4 is welded and bonded to the screw rod 1, or connected by threads, and during supporting, an axial force on the screw rod 1 is transmitted to the tail 5 through the bearing seat 4.

After the structure is adopted, firstly, the supporting structure of the electric push rod comprises a screw rod 1, a gear 2 driving the screw rod to move, a bearing 3, a bearing seat 4, a shell and a tail pull 5, the electric push rod is connected with an external component through the tail pull 5, when the electric push rod is used, the gear 2 drives the screw rod 1 to move, axial force is transmitted to the tail pull 5 through the screw rod 1, the bearing seat 4 is used for positioning the bearing 3, so that the screw rod 1 can rotate through the bearing 3, the bearing seat 4 is fixedly connected with the screw rod 1, the screw rod 1 can transmit the axial force to the tail pull 5 through the bearing seat 4, the bearing seat 4 is in clearance fit with the gear 2, namely the gear 2 does not transmit the axial force, the bearing seat 4 is in contact with the tail pull 5 or the bearing seat 4 is connected with the tail pull 5 through the shell, and the axial force on the screw rod 1 is transmitted to the tail pull 5 through, during the use, lead screw 1 directly links to each other with bearing frame 4, need not pass through gear 2 alright transmit bearing frame 4 with the axial force, rethread bearing frame 4 will transmit the tail and draw 5 on, thereby support electric putter, make the axial force transmission not pass through gear 2, thereby the axial force is not transmitted on the gear box that holds gear 2, and bearing frame 4 does not link to each other with the gear box, thereby when the supporting, the screw does not receive great axial force in electric putter's the bearing structure, and then prevent to lead to electric putter life-span reduction because of the screw damage, electric putter's life has further been increased.

Secondly, because gear 2 does not bear the axial force, so can reduce its wall thickness, the connecting screw of gear box only needs to guarantee sealed to reducible volume for the part quantity in the bearing structure of electric putter is less, and the assembly degree of difficulty is lower.

In order to optimize the structure, as shown in fig. 2, 4 and 5, in this embodiment, it is preferable that the bearing seat 4 is provided with a thread, the bearing seat 4 is in threaded connection with the screw rod 1 through the thread, and the axial force on the screw rod 1 is transmitted to the bearing seat 4 through the thread, when the bearing seat is installed, the bearing seat 4 is rotated to enable the internal thread on the bearing seat to be meshed with the external thread on the screw rod 1, so that the bearing seat 4 is installed on the screw rod 1, when the bearing is supported, the screw rod 1 transmits the axial force to the bearing seat 4 through the extrusion of the internal and external threads, the bearing seat 4 is transmitted to the tail puller 5 through the shell or direct contact, thereby not only the installation of the supporting structure is more convenient, but also the axial force of the screw rod 1 can be directly transmitted to the bearing seat without being transmitted to the gear 2, when the bearing 3 is located, when bearing 3 is located the centre of bearing frame 4 and tail 5 promptly, the axial force of bearing frame 4 transmits for bearing 3, when bearing 3 is located the one side that is close to gear 2, when bearing 3 is located the centre of bearing frame 4 and gear 2 promptly, the axial force of bearing frame 4 does not transmit for bearing 3, wherein, the screw thread between bearing frame 4 and the lead screw 1 can adopt trapezoidal thread, trapezoidal thread is for ordinary screw thread and rectangular thread, its root of tooth intensity is big, can bear bigger axial force, make lead screw 1 can transmit axial force for bearing frame 4 more steadily, thereby make bearing structure more firm.

In order to fix the bearing seat 4 along the length direction of the screw rod 1, as shown in fig. 6, the preferred supporting structure of this embodiment includes a tail pulling seat 7, a groove 9 is provided in the tail pulling seat 7, the bearing seat 4 is located in the groove 9, and is relatively fixed with the tail pulling seat 7 along the length direction of the screw rod 1 through the groove 9, wherein the bearing 3 is located on two sides of the gear 2, two sides of the gear 2 can be fixed on the housing through the bearing 3, and rotate relative to the housing, so that the gear 2 can drive the screw rod 1 to rotate, in the axial direction of the bearing 3, two sides of the bearing 3 are respectively fixed through the gear 2 and the bearing seat 4, and in the vertical axial direction, the surface of the vertical axial direction is in contact with the surface of the tail pulling seat 4, and the vertical axial direction is positioned through the.

In order to fix the tail pulling seat 7 with the housing, the embodiment preferably has a fixed connection between the tail pulling seat 7 and the housing, the bearing seat 4 is positioned by the tail pulling seat 7 along the length direction of the screw rod 1, and the tail pulling seat 7 is fixed relative to the housing, so that the bearing seat 4 is fixed relative to the housing along the length direction of the screw rod 1.

In order to prevent water between the tail pulling seat 7 and the housing, in this embodiment, it is preferable that the surface of the tail pulling seat 7 contacting with the housing is provided with an elastic sealing element, wherein the elastic sealing element is a rubber sealing ring, a rubber sealing strip or other sealing elements, and through the elastic sealing element, the tail pulling seat 7 and the housing can prevent water, thereby increasing the waterproof performance of the supporting structure.

In order to enable the bearing seat 4 to rotate relative to the housing, in this embodiment, preferably, the bearing seat 4 is provided with a planar bearing 6 at both ends thereof in the length direction of the screw rod 1, and the planar bearing 6 is located in a groove 9 of the tail pulling seat 7, the bearing seat 4 rotates relative to the tail pulling seat 7 through the planar bearing 6, and the tail pulling seat 7 is fixed relative to the housing, so that the bearing seat can rotate relative to the housing, when in use, the motor drives the screw rod 1 to rotate, the screw rod 1 drives the bearing seat 4 to move through a thread, the planar bearing 6 enables the bearing seat 4 to rotate, so that the bearing seat 4 rotates together with the screw rod 1, i.e., is fixed relative to the screw rod 1, so that after the screw rod 1 stops rotating, the bearing seat.

In order to enable the bearing seat 4 to rotate relative to the tail puller 5, as shown in fig. 1 and 3, in this embodiment, it is preferable that one end of the flat bearing 6 is in contact with the bearing seat 4, and the other end of the flat bearing 6 is in contact with the tail puller 5, the bearing seat 4 rotates relative to the tail puller 5 through the flat bearing 6, and the axial force of the bearing seat 4 is transmitted to the tail puller 5 through the flat bearing 6, the tail puller 5 is also located in the groove 9 of the tail puller seat 7, the bearing seat 4, the tail puller 5 and the flat bearing 6 are all located in the groove 9, in the length direction of the pull rod, one end of the tail puller 5 is in contact with the flat bearing 6, and the other end of the tail puller is in surface contact with the tail puller seat 7, so that the tail.

In order to make the supporting structure waterproof, the surface of the tail pulling seat 7 contacting with the bearing seat 4 and the tail pulling 5 is preferably provided with an elastic sealing element in the embodiment, wherein the elastic sealing element is a rubber sealing ring, a rubber sealing strip or other sealing elements, and through the elastic sealing element, the space between the tail pulling seat 7 and the bearing seat 4 and between the tail pulling seat 5 can be waterproof, so that the waterproof performance of the supporting structure is improved.

In order to make the gear 2 can drive the lead screw 1 to rotate, the preferred lead screw 1 of this embodiment and the gear 2 between adopt the key 8 to be connected, the key 8 can adopt flat key, spline etc. wherein, the key-type connection can bear bigger moment for interference connection for the gear 2 drives the lead screw 1 and rotates ground more stably, thereby makes bearing structure more stable.

Example two:

the second embodiment is an electric push rod, the supporting structure of the electric push rod in the first embodiment is used for supporting the electric push rod in the second embodiment, the preferable structure of the second embodiment mainly comprises an inner tube, an outer tube, a driving device and a supporting structure, when the electric push rod is used, the axial force borne by the electric push rod can be directly transmitted to the bearing seat 4 through the screw rod 1 without being transmitted through the gear 2, the gear 2 does not bear large axial force, the screw in the supporting structure of the electric push rod does not bear large axial force, the service life of the electric push rod is prevented from being reduced due to the damage of the screw, and the service life of the electric push rod is further prolonged.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. The utility model provides an electric putter's bearing structure, includes lead screw (1), drives gear (2), bearing (3), bearing frame (4), shell and the tail of lead screw (1) motion are drawn (5), bearing frame (4) are used for location bearing (3), its characterized in that: bearing frame (4) with be fixed connection between lead screw (1), be clearance fit between bearing frame (4) and gear (2), bearing frame (4) with the tail is drawn (5) and is contacted or bearing frame (4) through the shell with the tail is drawn (5) and is linked to each other, and the axial force on lead screw (1) passes through bearing frame (4) is transmitted the tail is drawn (5) and is gone up.

2. The support structure of an electric putter as set forth in claim 1, wherein: the bearing seat (4) is provided with threads, the bearing seat (4) is in threaded connection with the screw rod (1) through the threads, and axial force on the screw rod (1) is transmitted to the bearing seat (4) through the threads.

3. The support structure of an electric putter as set forth in claim 1, wherein: the supporting structure comprises a tail pulling seat (7), a groove (9) is formed in the tail pulling seat (7), the bearing seat (4) is located in the groove (9), and the bearing seat and the tail pulling seat (7) are relatively fixed in the length direction along the screw rod (1) through the groove (9).

4. The support structure of an electric putter as set forth in claim 3, wherein: the tail pulling seat (7) is fixedly connected with the shell.

5. The support structure of an electric putter as set forth in claim 4, wherein: and an elastic sealing element is arranged on the surface of the tail pulling seat (7) which is in contact with the shell.

6. The support structure of an electric putter as set forth in claim 3, wherein: bearing frame (4) along the length direction of lead screw (1), its both ends all are equipped with flat bearing (6), and flat bearing (6) are located tail and draw recess (9) of seat (7), bearing frame (4) draw seat (7) to rotate for the tail through flat bearing (6).

7. The support structure of an electric putter as set forth in claim 6, wherein: planar bearing (6) one end with bearing frame (4) contact, the other end with tail draw (5) and contact, bearing frame (4) pass through planar bearing (6) for tail draw (5) rotate, just the axial force of bearing frame (4) passes through planar bearing (6) transmit for tail draw (5).

8. The support structure of an electric putter as set forth in claim 7, wherein: and an elastic sealing element is arranged on the surface of the tail pulling seat (7) which is contacted with the bearing seat (4) and the tail pulling seat (5).

9. The support structure of an electric putter as set forth in claim 1, wherein: the screw rod (1) is connected with the gear (2) through a key (8).

10. The utility model provides an electric putter, includes inner tube, outer tube, drive arrangement and bearing structure, its characterized in that: the support structure of the electric putter employs the support structure of any one of claims 1 to 9.