CN217130248U

CN217130248U - Wider telescopic link of screw thread head grafting nature

Info

Publication number: CN217130248U
Application number: CN202220974749.6U
Authority: CN
Inventors: 刘强
Original assignee: Hangzhou Huayiqiang Industrial Co ltd
Current assignee: Hangzhou Huayiqiang Industrial Co ltd
Priority date: 2022-04-23
Filing date: 2022-04-23
Publication date: 2022-08-05
Anticipated expiration: 2032-04-23

Abstract

The utility model belongs to the technical field of the telescopic link, a wide telescopic link of screw thread head grafting nature is disclosed, set up the second sleeve pipe in first sleeve pipe including first sleeve pipe and slip, first sleeve pipe is kept away from and is fixed with the installation cover on the sheathed tube inner wall of second, set up two spouts around first sleeve pipe axis symmetry on the first sheathed tube inner wall, it is provided with the slider to slide in the spout, be provided with the actuating mechanism who is used for driving the second sleeve pipe on the first sleeve pipe, actuating mechanism is used for driving the drive assembly of slider and setting up the fixed subassembly that is used for making slider and second sleeve pipe reciprocal anchorage on first sleeve pipe including setting up, be provided with the locking device who is used for making first sleeve pipe and second sleeve pipe reciprocal anchorage on the first sleeve pipe. The utility model discloses have the impaired effect of flexible function when reducing the telescopic link and receiving external force.

Description

Wider telescopic link of screw thread head grafting nature

Technical Field

The application relates to the technical field of telescopic links, and more specifically relates to a telescopic link with a wider grafting range of a thread head.

Background

The electric telescopic rod is a device for converting the rotary motion of a motor into the reciprocating linear motion of a push rod. Compared with a pneumatic cylinder and a hydraulic cylinder, the pneumatic cylinder and the hydraulic cylinder have the characteristics of high position precision, small volume, quick response and the like; the device can be applied to the fields of automobiles, industry, buildings and the like to realize distance control and provide certain push-pull force.

The Chinese utility model patent with the publication number of CN206402285U discloses an electric telescopic rod, which comprises a handle, wherein a cavity is arranged at the tail end of the inner side of the handle, a motor is arranged in the cavity, the motor is driven by a driving shaft to be connected with a gear box, the gear box is fixedly connected with a screw rod, and the screw rod is positioned at the inner side of the handle; the outer side of the screw is sequentially sleeved with a pipe A, a pipe B, a pipe C, a pipe D and a pipe E, and the tail ends of the pipe A, the pipe B, the pipe C, the pipe D and the pipe E are all provided with internal threads; spring pieces are arranged on the outer sides of the tail ends of the pipe A, the pipe B, the pipe C, the pipe D and the pipe E, fixing holes are formed in the front ends of the pipe B, the pipe C, the pipe D, the pipe E and the handle, and the diameter of a hemispherical fixture block at the front end of each spring piece is the same as that of each fixing hole; the motor is provided with a switch, the switch is connected with the motor through a wire, the tail end of the handle is provided with a through hole, and the switch extends out of the through hole.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the telescopic rod is subjected to external force, the screw rod is tightly connected with the internal thread, so that the acting force acting on the telescopic rod is easily and directly transmitted to the screw rod and the internal thread, and the screw rod and the internal thread are easily damaged due to the external force, so that the service life of the telescopic rod is not prolonged.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the application provides a telescopic rod with a wider grafting range of a thread head.

The application provides a telescopic link that screw thread head grafting nature is wider adopts following technical scheme:

the utility model provides a wide telescopic link of screw thread head grafting nature, includes first sleeve and slides and set up the second sleeve pipe in first sleeve, first sleeve is kept away from and is fixed with the installation cover on the second sheathed tube inner wall, set up two spouts around first sleeve pipe axis symmetry on the first sheathed tube inner wall, it is provided with the slider to slide in the spout, be provided with the actuating mechanism who is used for driving the second sleeve pipe on the first sleeve pipe, actuating mechanism is used for driving the drive assembly of slider and setting up the fixed subassembly that is used for making slider and second sleeve pipe reciprocal anchorage on first sleeve pipe including setting up on first sleeve pipe, be provided with on the first sleeve pipe and be used for making first sleeve pipe and second sleeve pipe reciprocal anchorage's locking device.

Through above-mentioned technical scheme, when the staff need adjust the length of telescopic link, the staff only need start fixed subassembly, can make slider and second sleeve reciprocal anchorage, at this moment, the staff need start drive assembly, make the slider slide along the extending direction of spout, thereby make the second sleeve slide in first sleeve, when the length of telescopic link extends to suitable size, the staff only need close drive assembly, and start locking device, can make second sleeve and first sleeve keep steady. When the staff closed fixed subassembly, slider and second sleeve pipe relative slip to when having reduced the telescopic link and having received external force, the impaired probability of slider.

Furthermore, the driving assembly comprises a motor arranged in the mounting sleeve, a driving wheel fixed at the end part of the output shaft of the motor, a threaded rod with two ends respectively rotatably arranged on two side walls opposite to the sliding groove, a driven wheel fixed on the threaded rod and a conveying belt used for connecting the driving wheel and the driven wheel, and the threaded rod penetrates through the sliding block and is in threaded connection with the sliding block.

Through above-mentioned technical scheme, when the staff need make the slider slide along the extending direction of spout, the staff only needs the starter motor, can make the output shaft of motor rotate to make the action wheel follow the output shaft rotation of motor, and then make from the driving wheel rotate under the effect of conveyer belt, thereby make the threaded rod rotate, and then make the slider slide along the extending direction of spout.

Furthermore, run through on the outer wall of first sleeve pipe and set up the mounting groove rather than one of them spout intercommunication, fixed subassembly sets up the slide bar in the mounting groove including sliding, slides the slide that sets up in the spout and rolls and set up the gyro wheel on the slider is close to the slide lateral wall, two relative lateral walls of slide respectively the spout keep away from with be close to the lateral wall of slider on.

Through above-mentioned technical scheme, when the staff need make slider and second sleeve fixed, the staff only need press the slide bar, can make the slide bar to the direction motion that is close to first sleeve axis to make the slide bar move to the direction that is close to first sleeve axis under the effect of slide bar, and then make the slide support tight slider, thereby make the slider support the outer wall of tight second sleeve, and then make slider and second sleeve remain stable.

Furthermore, the side wall of the slide bar, which is close to the slide plate, is fixed with the slide plate.

Through the technical scheme, the probability of mutual separation of the sliding rod and the mounting groove is reduced, so that the probability of loss of the sliding rod is reduced.

Furthermore, a control switch is fixed on the side wall of the sliding rod, which is far away from the axis of the first sleeve, and the control switch is electrically connected with the motor.

Through the technical scheme, when a worker presses the sliding rod, the control switch is triggered, so that the motor rotates, the worker does not need to move to the motor to start the motor, and the operation difficulty of the worker is reduced.

Furthermore, an annular groove is formed in the side wall, away from the axis of the first sleeve, of the sliding rod, an annular plate is arranged in the annular groove in a sliding mode, and a partition plate used for sealing the annular plate is fixed to the side wall, away from the axis of the first sleeve, of the annular plate.

Through the technical scheme, when the sliding rod is pressed by a worker, the annular plate moves towards the direction close to the first sleeve, so that the time for triggering the control switch is delayed, and the probability that the sliding block is not fixed with the second sleeve when the motor is started is reduced.

Furthermore, a spring is fixed on the side wall of the partition plate close to the annular plate, and the other end of the spring is fixed on the side wall of the sliding rod far away from the axis of the first sleeve.

Through the technical scheme, the triggering time of the control switch is further prolonged, so that the stability of the device is improved.

Furthermore, a threaded hole for fixing the motor is formed in the outer wall of the mounting sleeve, and an interchange joint matched with the threaded hole is arranged in the threaded hole.

Through above-mentioned technical scheme, when the staff placed the motor in the installation cover, the staff only needed to make motor and installation cover reciprocal anchorage through the bolt to reduced the telescopic link in the use, because of the risk of the motor dislocation rotation that external force leads to, and then improved the stability of product. Furthermore, the worker only needs to connect one end of the interchange connector with the threaded hole, and enables the threads of different specifications to be flattened and connected with the other end of the interchange connector, and the threaded product can be switched between American threads and German threads, so that the grafting performance of the product is improved.

In summary, the present application includes at least one of the following advantageous technical effects:

(1) in this application, when the staff need adjust the length of telescopic link, the staff only need start fixed subassembly, can make slider and second sleeve reciprocal anchorage, at this moment, the staff need start drive assembly, make the slider slide along the extending direction of spout, thereby make the second sleeve slide in first sleeve, when the length of telescopic link extends to suitable size, the staff only need close drive assembly, and start locking device, can make second sleeve and first sleeve keep steady. When a worker closes the fixing assembly, the sliding block and the second sleeve slide relatively, so that the probability that the sliding block is damaged when the telescopic rod is subjected to external force is reduced;

(2) in the application, when the worker needs to enable the sliding block to slide along the extending direction of the sliding groove, the worker can enable the output shaft of the motor to rotate only by starting the motor, so that the driving wheel rotates along with the output shaft of the motor, the driven wheel rotates under the action of the conveying belt, the threaded rod rotates, and the sliding block slides along the extending direction of the sliding groove;

(3) in this application, when the staff need make slider and second sleeve fixed, the staff only need press the slide bar, can make the slide bar to the direction motion that is close to first sleeve axis to make the slide move to the direction that is close to first sleeve axis under the effect of slide bar, and then make the slide support tight slider, thereby make the slider support the outer wall of tight second sleeve, and then make slider and second sleeve remain stable.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a schematic view of the present application showing a threaded hole;

FIG. 3 is a schematic view of the present application highlighting the construction of the interchange adapter;

FIG. 4 is a schematic cross-sectional view of the installation groove for highlighting the installation groove of the present application;

FIG. 5 is a cross-sectional view of the present application for highlighting the fastening assembly;

FIG. 6 is a schematic view of the present application showing the structure of the conveyor belt.

The reference numbers in the figures illustrate:

1. a first sleeve; 2. a second sleeve; 21. installing a sleeve; 22. a chute; 3. a slider; 4. a drive mechanism; 5. a drive assembly; 51. a motor; 52. a driving wheel; 53. a threaded rod; 54. a driven wheel; 55. a conveyor belt; 56. mounting grooves; 6. a fixing assembly; 61. a slide bar; 62. a slide plate; 63. a roller; 7. a locking device; 8. a control switch; 81. an annular groove; 82. an annular plate; 83. a partition plate; 84. a spring; 9. a threaded hole; 91. and exchanging the joints.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

Example 1:

the present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses a telescopic rod with wider grafting range of thread heads, please refer to fig. 1-6, which comprises a first sleeve 1, a second sleeve 2, a mounting sleeve 21, a sliding block 3, a driving mechanism 4, a locking device 7, a control switch 8, a ring-shaped plate 82, a partition 83, a spring 84 and an interchange joint 91. The first sleeve 1 is a circular tubular structure, the second sleeve 2 is a circular tubular structure, the axis of the second sleeve coincides with the axis of the first sleeve 1, and the second sleeve 2 is arranged in the first sleeve 1 in a sliding mode. The mounting sleeve 21 is fixed on the inner wall of the first casing 1 away from the second casing 2 for placing the motor 51. The sliding block 3 is of a block structure, and the side wall of the sliding block 3 close to the axis of the first sleeve 1 is flush with the outer wall of the second sleeve 2.

The driving mechanism 4 is arranged on the first sleeve 1 and used for driving the second sleeve 2, and the driving mechanism 4 comprises a driving component 5 and a fixing component 6. A driving assembly 5 is disposed on the first casing 1 for driving the slider 3, the driving assembly 5 including a motor 51, a driving wheel 52, a threaded rod 53, a driven wheel 54, and a conveyor belt 55. The motor 51 is arranged in the mounting sleeve 21, and the axis of the output shaft of the motor 51 is coincident with the axis of the first sleeve 1. The drive pulley 52 has a disk-shaped structure, the axis of which coincides with the axis of the output shaft of the motor 51, and the drive pulley 52 is fixed to the end of the output shaft of the motor 51. Two ends of the threaded rod 53 are respectively and rotatably arranged on two opposite side walls of the sliding groove 22, the axis of the threaded rod is parallel to the axis of the output shaft of the motor 51, and the threaded rod 53 penetrates through the sliding block 3 and is in threaded connection. The driven pulley 54 has a disc-like structure, and the axis thereof coincides with the axis of the threaded rod 53, and the driven pulley 54 is fixed to the threaded rod 53. The transmission belt 55 is used for connecting the driving wheel 52 and the driven wheel 54, and the inner wall of the transmission belt 55 is abutted against the wheel surfaces of the driving wheel 52 and the driven wheel 54.

When the worker needs to slide the sliding block 3 along the extending direction of the sliding chute 22, the worker only needs to start the motor 51, and the output shaft of the motor 51 can rotate, so that the driving wheel 52 rotates along with the output shaft of the motor 51, and further the driven wheel 54 rotates under the action of the conveyor belt 55, so that the threaded rod 53 rotates, and further the sliding block 3 slides along the extending direction of the sliding chute 22.

The outer wall of the first sleeve 1 is provided with a mounting groove 56 communicated with one of the sliding grooves 22 in a penetrating manner, the fixing component 6 is arranged on the first sleeve 1 and used for fixing the sliding block 3 and the second sleeve 2 to each other, and the fixing component 6 comprises a sliding rod 61, a sliding plate 62 and a roller 63. The slide rod 61 is a rectangular rod-shaped structure, the slide rod 61 is slidably disposed in the mounting groove 56, and the side wall of the slide rod 61 close to the slide plate 62 is fixed to the slide plate 62. The sliding plate 62 is a rectangular plate-shaped structure, the sliding plate 62 is slidably disposed in the sliding groove 22, and two opposite side walls of the sliding plate 62 respectively slide on the side walls of the sliding groove 22 far away from and close to the sliding block 3. The roller 63 is arranged on the side wall of the sliding block 3 close to the sliding plate 62 in a rolling manner, and the side wall of the roller 63 far away from the axis of the first sleeve 1 abuts against the side wall of the sliding plate 62 close to the axis of the first sleeve 1.

When the staff need make slider 3 and second sleeve pipe 2 fixed, the staff only need press slide bar 61, can make slide bar 61 to the direction motion of being close to first sleeve pipe 1 axis to make slide 62 move to the direction of being close to first sleeve pipe 1 axis under the effect of slide bar 61, and then make slide 62 support tight slider 3, thereby make slider 3 support the outer wall of tight second sleeve pipe 2, and then make slider 3 and second sleeve pipe 2 keep stable.

A locking device 7 is arranged on the first sleeve 1 for securing the first sleeve 1 and the second sleeve 2 to each other.

The control switch 8 is fixed on the side wall of the sliding rod 61 far away from the axis of the first sleeve 1, and the control switch 8 is electrically connected with the motor 51. When a worker presses the sliding rod 61, the control switch 8 is triggered, so that the motor 51 rotates, the worker does not need to move to the position of the motor 51 to start the motor 51, and the operation difficulty of the worker is reduced.

The side wall of the slide rod 61 far away from the axis of the first sleeve 1 is provided with an annular groove 81, the annular plate 82 is a plate-shaped structure with a square annular cross section, and the annular plate 82 is arranged in the annular groove 81 in a sliding manner. The partition 83 is a rectangular plate-shaped structure, and the partition 83 is fixed on the side wall of the annular plate 82 away from the axis of the first casing 1 and used for closing the annular plate 82. When the operator presses the sliding rod 61, the annular plate 82 moves towards the direction close to the first sleeve, so that the time for triggering the control switch 8 is delayed, and the probability that the sliding block 3 and the second sleeve 2 are not fixed to each other when the motor 51 is started is further reduced.

One end of the spring 84 is fixed to the side wall of the partition 83 near the annular plate 82, and the other end of the spring 84 is fixed to the side wall of the slide rod 61 away from the axis of the first casing 1. The spring 84 further increases the activation time of the control switch 8 and thus the stability of the device.

The outer wall of the mounting sleeve 21 is provided with a threaded hole 9 for fixing the motor 51, the interchange connector 91 is arranged in the threaded hole 9, and one end of the interchange connector 91 is matched with the threaded hole 9.

When the staff places motor 51 in installation cover 21, the staff only need can make motor 51 and installation cover 21 reciprocal anchorage through the bolt to reduced the telescopic link in the use, because of the risk of motor 51 dislocation rotation that external force leads to, and then improved the stability of product. Furthermore, the worker only needs to connect one end of the interchangeable joint 91 with the threaded hole 9 and connect the threads of different specifications with the other end of the interchangeable joint 91, so that the threaded product can be switched between American threads and German threads, and the grafting performance of the product is improved.

The implementation principle of the telescopic rod with wider grafting property of the thread head in the embodiment of the application is as follows: when the length of telescopic link needs to be adjusted to the staff, the staff only needs to start fixed subassembly 6, can make slider 3 and second sleeve 2 reciprocal anchorage, at this moment, the staff need start drive assembly 5, make slider 3 slide along spout 22's extending direction, thereby make second sleeve 2 slide in first sleeve 1, when the length of telescopic link extends to suitable size, the staff only needs to close drive assembly 5, and start locking device 7, can make second sleeve 2 and first sleeve 1 remain stable. When the staff closed fixed subassembly 6, slider 3 and second sleeve 2 relative slip to when having reduced the telescopic link and having received external force, the impaired probability of slider 3.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a wide telescopic link of screw thread head grafting nature which characterized in that: comprises a first sleeve (1) and a second sleeve (2) which is arranged in the first sleeve (1) in a sliding way, an installation sleeve (21) is fixed on the inner wall of the first sleeve (1) far away from the second sleeve (2), two sliding grooves (22) which are symmetrical around the axis of the first sleeve (1) are arranged on the inner wall of the first sleeve (1), a sliding block (3) is arranged in the sliding groove (22) in a sliding way, a driving mechanism (4) for driving the second sleeve (2) is arranged in the first sleeve (1), the driving mechanism (4) comprises a driving component (5) which is arranged on the first sleeve (1) and used for driving the sliding block (3) and a fixing component (6) which is arranged on the first sleeve (1) and used for fixing the sliding block (3) and the second sleeve (2) mutually, the first sleeve (1) is provided with a locking device (7) for fixing the first sleeve (1) and the second sleeve (2) to each other.

2. The telescopic rod with wider grafting of the screw head according to claim 1, characterized in that: drive assembly (5) including setting up motor (51) in installation cover (21), fixing at motor (51) output shaft tip drive wheel (52), both ends rotate respectively and set up threaded rod (53) on two relative lateral walls of spout (22), fix from driving wheel (54) on threaded rod (53) and be used for connecting drive wheel (52) and follow conveyer belt (55) of driving wheel (54), threaded rod (53) run through slider (3) and threaded connection.

3. The telescopic rod with wider grafting of the screw head according to claim 1, characterized in that: the outer wall of the first sleeve (1) is provided with a mounting groove (56) communicated with one of the sliding grooves (22) in a penetrating mode, the fixing component (6) comprises a sliding rod (61) arranged in the mounting groove (56) in a sliding mode, a sliding plate (62) arranged in the sliding groove (22) in a sliding mode and a roller (63) arranged on the side wall, close to the sliding plate (62), of the sliding block (3) in a rolling mode, and two opposite side walls of the sliding plate (62) slide on the side wall, far away from the sliding groove (22) and close to the sliding block (3) respectively.

4. The telescopic rod with wider grafting of the screw head according to claim 3, characterized in that: the side wall of the sliding rod (61) close to the sliding plate (62) is fixed with the sliding plate (62).

5. The telescopic rod with wider grafting of the screw head according to claim 4, characterized in that: and a control switch (8) is fixed on the side wall of the sliding rod (61) far away from the axis of the first sleeve (1), and the control switch (8) is electrically connected with the motor (51).

6. The telescopic rod with wider grafting of the screw head according to claim 5, characterized in that: the sliding rod (61) is far away from the side wall of the axis of the first sleeve (1) and is provided with an annular groove (81), an annular plate (82) is arranged in the annular groove (81) in a sliding mode, and a partition plate (83) used for sealing the annular plate (82) is fixed on the side wall of the annular plate (82) far away from the axis of the first sleeve (1).

7. The telescopic rod with wider grafting of the threaded head according to claim 6, characterized in that: and a spring (84) is fixed on the side wall of the partition plate (83) close to the annular plate (82), and the other end of the spring (84) is fixed on the side wall of the sliding rod (61) far away from the axis of the first sleeve (1).

8. The telescopic rod with wider grafting of the screw head according to claim 1, characterized in that: the outer wall of the mounting sleeve (21) is provided with a threaded hole (9) for fixing the motor (51), and an interchange joint (91) matched with the threaded hole (9) is arranged in the threaded hole (9).