CN219999174U

CN219999174U - Electric putter with rotary joint

Info

Publication number: CN219999174U
Application number: CN202321677271.1U
Authority: CN
Inventors: 谢武
Original assignee: Changzhou Dingtang Transmission Technology Co ltd
Current assignee: Changzhou Dingtang Transmission Technology Co ltd
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2023-11-10
Anticipated expiration: 2033-06-29

Abstract

The utility model discloses an electric push rod with a rotary joint, which comprises a shell and a push rod, wherein the push rod is slidably arranged on the shell, a connecting lug is connected to the shell, a mounting hole is formed in the connecting lug, the free end of the push rod is rotatably provided with the rotary joint, a through hole is formed in the rotary joint, a mounting groove is formed in the free end of the push rod, a connecting column matched with the mounting groove is connected to the rotary joint, a bearing is arranged between the connecting column and the push rod, an annular groove is formed in the outer wall of the connecting column along the circumferential direction of the connecting column, a locking bolt is connected to the side wall of the push rod in a threaded manner, and the end part of the locking bolt penetrates through the wall body of the push rod and then extends into the annular groove. According to the electric push rod, the rotary joint is arranged at the free end of the push rod, so that the installation requirements of different use occasions are met, meanwhile, the locking bolt is matched with the annular groove, the connecting column is stably locked on the push rod, the use reliability is high, and the installation and the operation of a user are facilitated.

Description

Electric putter with rotary joint

Technical Field

The utility model relates to the technical field of electric push rods, in particular to an electric push rod with a rotary joint.

Background

The electric push rod is also called a linear driver and mainly comprises a shell, a push rod and a control device, wherein the control device is arranged in the shell and is used for driving the push rod to extend out of the shell or retract back into the shell. During processing, for convenient installation and use, need set up the connecting hole respectively at the tip of casing and the tip of push rod, be used for installing the round pin axle in the connecting hole, rotationally connect the casing on supporting object through the mode of wearing the axle, will be driven the thing rotationally to connect the tip at the push rod simultaneously, so, when electric putter during operation, alright drive push rod is concertina movement to the linear motion with the push rod is converted into the relative rotary motion of supporting object of being driven.

In the production of electric pushers, the free end of the pushers usually needs to be provided with a connector for connecting with the driven object, for example, an electric pusher capable of working under water disclosed in chinese patent publication CN107612206B is provided with a connecting sleeve at the head of the pushers; for example, an electric push rod disclosed in Chinese patent document with publication number CN2132877Y is connected with a connector at the end of the screw rod. In a specific installation operation, in order to enable the push rod to be connected with the driven object, the connector needs to be adjusted to a proper angle and then connected to the push rod. Traditional mode through interference fit and threaded connection fixed at push rod tip is perhaps not hard up easily after connecting, and job stabilization nature is poor, or is inconvenient for adjusting the installation angle of connector, and the user of being inconvenient for installs fast.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: in the prior art, the angle of a connector arranged on the head of the electric push rod is not easy to adjust, is easy to loosen and has poor working stability, so the utility model provides the electric push rod with the rotary joint and high working reliability.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides an electric putter with rotary joint, includes casing and push rod, the push rod is located with sliding on the casing, be connected with the engaging lug on the casing, the mounting hole has been seted up on the engaging lug, rotary joint is rotatably installed to the free end of push rod, the through-hole has been seted up on the rotary joint, the mounting groove has been seted up to the free end of push rod, be connected with on the rotary joint with mounting groove complex spliced pole, the spliced pole with be provided with the bearing between the push rod, follow on the outer wall of spliced pole the ring channel has been seted up in the circumference of spliced pole, threaded connection has locking bolt on the lateral wall of push rod, locking bolt's tip runs through behind the wall of push rod extend to in the ring channel.

Further, the rotary joint is coaxially arranged with the push rod, the connecting column is arranged at the center of the side wall at one end of the rotary joint, the peripheral wall of the connecting column is attached to the inner groove wall of the mounting groove, and the inner end face of the connecting column is attached to the groove bottom wall of the mounting groove.

Further, one end of the stud of the locking bolt, which is far away from the head of the locking bolt, is coaxially extended with a polish rod section, the polish rod section can extend into the annular groove, the outer diameter of the polish rod section is smaller than that of the stud of the locking bolt, and the polish rod section is matched with the annular groove.

Further, the locking bolts are arranged at two sides opposite to the push rod.

Further, a matching groove is formed in the side wall of the mounting groove close to the opening end of the mounting groove along the radial direction, and the bearing is mounted in the matching groove.

Further, the outer ring of the bearing is fixedly embedded on the groove wall of the matching groove, and the inner ring of the bearing is fixedly embedded outside the connecting column.

Further, the rotary joint is of a cylindrical structure, the through holes are arranged along the radial direction of the rotary joint, and the through holes penetrate through two opposite sides of the rotary joint.

Further, the dust cover is installed to the free end of push rod, the dust cover is one end open-ended sleeve column structure, the fixed cover of dust cover is established the outside of push rod, the one end cooperation of spliced pole passes the dust cover is connected in the mounting groove.

Further, the dust cover is made of silica gel or rubber materials.

Compared with the prior art, the electric push rod with the rotary joint has the beneficial effects that: through the rotary joint capable of relatively rotating in the free end of the push rod, a user can adjust the installation angle of the through hole on the rotary joint according to specific installation requirements, so that the installation requirements of different use occasions are met, and meanwhile, the rotary joint is fixed on the push rod in a locking mode by adopting a locking bolt, so that the condition that the rotary joint is easily separated from the push rod is effectively avoided, the use is more reliable, and the quick installation of the user is facilitated.

Drawings

The utility model is further described below with reference to the drawings and examples.

FIG. 1 is a perspective view of an electric putter with a swivel joint of the present utility model;

FIG. 2 is a left side view of the electric putter with the rotary union of FIG. 1;

FIG. 3 is a front view of the electric putter with a rotary joint shown in FIG. 1 (partially sectioned near the rotary joint);

fig. 4 is a partial enlarged view of a portion a of the electric putter with a rotary joint shown in fig. 3.

In the figure: 1. the anti-dust device comprises a shell, 11, connecting lugs, 111, mounting holes, 2, push rods, 21, mounting grooves, 22, matching grooves, 3, rotary joints, 31, through holes, 32, connecting columns, 321, annular grooves, 4, bearings, 5, locking bolts, 51, polish rod sections, 6 and dust covers.

Detailed Description

The present utility model will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the utility model only by way of illustration, and therefore it shows only the constitution related to the utility model.

Referring to fig. 1 and 2, the present utility model provides an electric push rod with a rotary joint, which includes a housing 1, a control device (not shown) and a push rod 2, wherein the control device is installed in the housing 1 and is used for driving the push rod 2 to slide relative to the housing 1, so as to implement a telescopic action of the push rod 2, wherein the control device may adopt a driving structure in the prior art, for example, the driving structure includes a motor, an output shaft of the motor is connected with a screw rod, the screw rod is in threaded connection with the push rod 2, and the push rod 2 is slidably connected with the housing 1 in a clamping manner, so that when the motor is started, the push rod 2 can be driven to extend or retract under the action of the screw rod. The specific constitution of the control device is not limited. The shell 1 is fixedly connected with a connecting lug 11, the connecting lug 11 is provided with a mounting hole 111, and the mounting hole 111 is used for being connected with a support, so that the shell 1 is rotatably mounted on the support.

The free end of the push rod 2 is provided with a rotary joint 3, the rotary joint 3 is rotatably arranged on the push rod 2, the rotary joint 3 is provided with a through hole 31, and the through hole 31 is used for being connected with a driven object, so that the driven object is rotatably arranged on the push rod 2. The rotary joint 3 and the push rod 2 are coaxially arranged, and the rotary joint 3 can rotate around the central axis of the push rod 2, so that the angle of the through hole 31 is changed, and the installation position can be adjusted according to the position of a driven animal by a user to adapt to the installation environment. In the present embodiment, the rotary joint 3 has a cylindrical structure, and the through holes 31 are provided along the radial direction of the rotary joint 3, and the through holes 31 penetrate through opposite sides of the rotary joint 3.

Referring to fig. 3 and 4, a mounting groove 21 is formed in the sidewall of the free end of the push rod 2 along the axial direction of the push rod 2, a connecting post 32 is convexly arranged in the center of the sidewall of one end of the rotary joint 3 along the axial direction of the rotary joint 3, and the connecting post 32 is rotatably connected with the mounting groove 21. In this embodiment, the connecting post 32 has a cylindrical structure, the mounting groove 21 has a circular hole structure matched with the cylindrical structure, when the connecting post 32 is connected in place with the mounting groove 21, the outer peripheral wall of the connecting post 32 is attached to the inner groove wall of the mounting groove 21, and the inner end surface of the connecting post 32 (i.e., the end surface of the connecting post 32 far away from the end of the rotary joint 3) is attached to the bottom wall of the mounting groove 21, thus limiting the inward movement trend of the connecting post 32 and the movement trend along the radial direction of the connecting post 32.

A bearing 4 is arranged between the connecting column 32 and the push rod 2 and used for improving the connection stability between the connecting column 32 and the push rod 2. Specifically, the mounting groove 21 is provided with a matching groove 22 along the radial direction on the groove side wall close to the opening end of the mounting groove 21, the bearing 4 is mounted in the matching groove 22, wherein the outer ring of the bearing 4 is fixedly embedded on the groove wall of the matching groove 22, the inner ring of the bearing 4 is fixedly embedded outside the connecting column 32, the bearing 4 can play a supporting role on the connecting column 32, meanwhile, smooth rotation of the connecting column 32 is facilitated, and abrasion between the connecting column 32 and the mounting groove 21 is reduced.

An annular groove 321 is formed in the outer wall of the connecting column 32 along the circumferential direction of the connecting column 32, a locking bolt 5 is connected to the side wall of the push rod 2 in a threaded manner, the end portion of the locking bolt 5 penetrates through the wall body of the push rod 2 and then extends into the annular groove 321, when the locking bolt 5 is unlocked, the end portion of the locking bolt 5 is separated from the groove bottom wall of the annular groove 321, at the moment, the connecting column 32 can rotate relative to the push rod 2, and meanwhile, the locking bolt 5 slides relative to the annular groove 321, and a user can conveniently adjust the position of the through hole 31 of the rotary joint 3 when the connecting column 32 rotates. After the connecting post 32 rotates in place, the user screws the locking bolt 5, so that the end of the locking bolt 5 tightly abuts against the bottom wall of the annular groove 321, and the connecting post 32 is pressed and fixed on the push rod 2, and at this time, the connecting post 32 cannot rotate relative to the push rod 2. Since the groove side walls of the mounting groove 21 are fitted to the outer side walls of the connecting post 32, when the locking bolt 5 presses the connecting post 32, the connecting post 32 can be effectively prevented from being deformed when receiving an external force in the radial direction. In this embodiment, the two locking bolts 5 are provided, and the two locking bolts 5 are respectively mounted on two opposite sides of the push rod 2, and finally the connecting column 32 is pressed and fixed from two opposite sides of the connecting column 32, so that the stress on two sides of the connecting column 32 is balanced, and the deformation of the connecting column 32 is further prevented.

In this embodiment, the one end coaxial extension that the head of locking bolt 5 was kept away from to the double-screw bolt of locking bolt 5 has polished rod section 51, polished rod section 51 is cylindric structure, polished rod section 51 is used for stretching into annular groove 321 in, the external diameter of polished rod section 51 slightly is less than the external diameter of locking bolt 5 double-screw bolt, polished rod section 51 and annular groove 321 assorted, when polished rod section 51 stretches into annular groove 321, the opposite both sides of polished rod section 51 respectively with annular groove 321's opposite both sides contact, so, after locking bolt 5 screws up, the tank bottom wall of annular groove 321 is extruded to the tip of polished rod section 51, can fix spliced pole 32 outside, polished rod section 51 still can limit spliced pole 32 along self axial displacement through the spacing effect with annular groove 321, and then improved rotary joint 3's connection stability, it is more reliable to use.

The dust cover 6 is still installed to the free end of push rod 2, and dust cover 6 is one end open-ended sleeve column structure, and dust cover 6 fixed cover is established in the outside of push rod 2, and the one end cooperation of spliced pole 32 passes behind dust cover 6 and connects in mounting groove 21, and the lateral wall of dust cover 6 one end supports with the one end lateral wall of rotary joint 3, so, dust cover 6 just blocks bearing 4 in cooperation groove 22, prevents impurity such as dust and bearing 4 contact, has played dustproof effect. In this embodiment, the dust cover 6 is made of a sealing material such as silica gel or rubber, so as to improve the sealing effect, and meanwhile, when the connecting post 32 is installed in place, the dust cover 6 is deformed by extrusion to a certain extent, so that the dust cover 6 is more tightly attached to the rotary joint 3.

According to the electric push rod with the rotary joint, the rotary joint 3 capable of rotating relatively is arranged at the free end of the push rod 2, so that a user can adjust the installation angle of the through hole 31 on the rotary joint 3 according to specific installation requirements, the installation requirements of different use occasions are met, meanwhile, the rotary joint 3 is fixed on the push rod 2 in a locking mode by adopting the locking bolt 5, the condition that the rotary joint 3 is easily separated from the push rod 2 is effectively avoided, the use is more reliable, and the quick installation of the user is facilitated.

While the foregoing is directed to the preferred embodiment of the present utility model, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims

1. The utility model provides an electric putter with rotary joint, includes casing and push rod, the push rod is slidably located on the casing, be connected with the engaging lug on the casing, set up the mounting hole on the engaging lug, its characterized in that: the rotary joint is rotatably installed at the free end of the push rod, a through hole is formed in the rotary joint, a mounting groove is formed in the free end of the push rod, a connecting column matched with the mounting groove is connected to the rotary joint, a bearing is arranged between the connecting column and the push rod, an annular groove is formed in the outer wall of the connecting column along the circumferential direction of the connecting column, a locking bolt is connected to the side wall of the push rod in a threaded mode, and the end portion of the locking bolt penetrates through the wall body of the push rod and then extends into the annular groove.

2. The electric putter with rotary joint as set forth in claim 1, wherein: the rotary joint is coaxially arranged with the push rod, the connecting column is arranged at the center of the side wall at one end of the rotary joint, the peripheral wall of the connecting column is attached to the inner groove wall of the mounting groove, and the inner end face of the connecting column is attached to the groove bottom wall of the mounting groove.

3. The electric putter with rotary joint as set forth in claim 1, wherein: the screw bolt of locking bolt is kept away from the coaxial extension of one end of locking bolt's head has the polished rod section, the polished rod section can stretch into in the ring channel, the external diameter of polished rod section is less than the external diameter of locking bolt screw bolt, polished rod section with ring channel assorted.

4. The electric putter with rotary joint as set forth in claim 3, wherein: the locking bolts are arranged at two sides opposite to the push rod.

5. The electric putter with rotary joint as set forth in claim 1, wherein: the mounting groove is provided with a matching groove along the radial direction on the side wall of the groove close to the opening end of the mounting groove, and the bearing is mounted in the matching groove.

6. The electric putter with rotary joint as set forth in claim 5, wherein: the outer ring of the bearing is fixedly embedded on the groove wall of the matching groove, and the inner ring of the bearing is fixedly embedded outside the connecting column.

7. The electric putter with rotary joint as set forth in claim 1, wherein: the rotary joint is of a cylindrical structure, the through holes are arranged along the radial direction of the rotary joint, and the through holes penetrate through two opposite sides of the rotary joint.

8. The electric putter with rotary joint as set forth in claim 1, wherein: the dustproof sleeve is arranged at the free end of the push rod, the dustproof sleeve is of a sleeve-shaped structure with one end open, the dustproof sleeve is fixedly sleeved outside the push rod, and one end of the connecting column passes through the dustproof sleeve in a matched mode and then is connected in the mounting groove.

9. The electric putter with rotary joint as set forth in claim 8, wherein: the dust cover is made of silica gel or rubber materials.