CN210265725U

CN210265725U - Chain tooth-disengaging preventing device

Info

Publication number: CN210265725U
Application number: CN201920897073.3U
Authority: CN
Inventors: 江海君; 许雄升; 罗海燕; 辛亮智; 杨峰; 周敏华
Original assignee: Guangzhou Suunto Special Equipment Co ltd
Current assignee: Guangzhou Suunto Special Equipment Co ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-04-07
Anticipated expiration: 2029-06-14

Abstract

The utility model relates to a chain technical field discloses a chain anticreep tooth device, mounting panel including two symmetry settings, two the equal fixedly connected with layer board in upper end of mounting panel, two the screw thread groove has been seted up to the symmetry on the lateral wall that the mounting panel is in opposite directions, two be equipped with the threaded rod between the mounting panel, the opposite symmetry setting of screw thread direction on the threaded rod, just the both ends of threaded rod all pass the notch that corresponds the screw thread groove and extend to the screw thread groove, threaded rod and screw thread groove phase-match are located two fixed the cup joint has the grab handle on the threaded rod between the mounting panel. The utility model discloses can adjust the distance between two mounting panels as required, connect two mounting panels moreover as an organic whole and be difficult to lose, it is more convenient to carry simultaneously.

Description

Chain tooth-disengaging preventing device

Technical Field

The utility model relates to a chain technical field especially relates to a chain anticreep tooth device.

Background

The chain is generally a metal chain ring or a ring, is mainly used for mechanical transmission and traction, is used for mechanical transmission, is generally matched with a chain wheel for transmission, but the conventional chain and the chain wheel are easy to slip or cause the phenomenon of tooth disengagement when the chain is loosened in the transmission process, the chain falls off or causes the disconnection and disorder of the whole chain and chain wheel transmission mechanism, and the consequence is very serious.

Through the retrieval, chinese patent publication is CN 208024793U's patent discloses a chain anticreep tooth device, including left mounting plate and right mounting plate, left side mounting plate and right mounting plate set up for bilateral symmetry, left side mounting plate and right mounting plate's upper surface one side all is fixed with first layer board, the side of first layer board is provided with the second layer board, one side of first layer board and second layer board all is provided with the arc and holds in the palm the groove, all forms a gap between two corresponding first layer boards and the second layer board, and gap department all is provided with an arc layer board, the mounting hole has all been seted up to the four corners department of left side mounting plate and right mounting plate. The chain anti-tooth-disengaging device has the following defects: left mounting plate and right mounting plate separately set up, and it very takes place to lose the condition easily, and carries inconveniently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving prior art in left mounting plate and right mounting plate separately set up, it very takes place to lose the condition easily, and carries inconvenient problem, and a chain anticreep tooth device that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a chain anticreep tooth device, includes the mounting panel that two symmetries set up, two the equal fixedly connected with layer board in upper end of mounting panel, two the thread groove has been seted up to the symmetry on the lateral wall that the mounting panel is in opposite directions, two be equipped with the threaded rod between the mounting panel, the opposite symmetry setting of screw direction on the threaded rod, just the both ends of threaded rod all pass the notch that corresponds the thread groove and extend to the thread groove, threaded rod and thread groove phase-match are located two fixed the cup joint has the grab handle on the threaded rod between the mounting panel.

Preferably, the both ends symmetry fixedly connected with cylinder of threaded rod, fixed cover has been connect first bearing on the column wall of cylinder, symmetry fixedly connected with slider on the annular lateral wall of first bearing, the position that corresponds two sliders on the cell wall of thread groove has seted up rather than assorted spout along horizontal straight line direction symmetry, the notch that the spout was passed to the one end that first bearing was kept away from to the slider extends to the spout, just slider sliding connection is in the spout that corresponds.

Preferably, it has the second bearing to fix the cover about the grab handle symmetry on the threaded rod, it has the stable dish, two to fix the cover on the annular lateral wall of second bearing it has seted up a plurality of roll groove to be the even equidistance of annular on the lateral wall in opposite directions to stabilize the dish, the roll inslot is equipped with rolling ball, annular stable groove has been seted up to the grab handle both sides that are close to the stable dish, the ball is kept away from the one end of roll groove tank bottom and is passed the notch of roll groove and extend to stable inslot, just ball roll connection is at the tank bottom of stable groove.

Preferably, two opposite sides of the mounting plates are symmetrically provided with telescopic grooves, and a telescopic rod is fixedly connected between the two telescopic grooves.

Preferably, the mounting plate is provided with a plurality of mounting holes.

Preferably, the ball has a ball diameter larger than a groove diameter of the rolling groove opening.

Compared with the prior art, the utility model provides a chain anticreep tooth device possesses following beneficial effect:

1. this chain anticreep tooth device, through setting up the mounting panel, the thread groove, threaded rod and grab handle, when not using and need carrying device, keep two mounting panels not rotate, hold grab handle position and apply a turning force to the threaded rod, along with the rotation of threaded rod, two mounting panels do the motion back on the back of the body or in opposite directions according to turning to of threaded rod on the threaded rod, can adjust the distance between two mounting panels as required, and be difficult to as an organic whole lose two mounting panels are connected, it is more convenient to carry simultaneously.

2. This chain tooth-disengaging preventing device, through setting up the cylinder, first bearing, slider and spout, the threaded rod drives the cylinder and does synchronous rotation when rotating, and the cylinder can not drive the slider and do synchronous rotation when the first bearing internal rotation, and when the threaded rod was at the thread groove internal motion, synchronous motion was done in the spout to first bearing drive slider, and when the slider was at the spout internal motion, it can not cause the influence to the threaded rod to make the slider at the spout internal motion through first bearing, prevents threaded rod roll-off thread groove.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can adjust the distance between two mounting panels as required, connect two mounting panels moreover as an organic whole and be difficult to lose, it is more convenient to carry simultaneously.

Drawings

Fig. 1 is a schematic structural view of a chain anti-derailment device provided by the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the device comprises a mounting plate 1, a supporting plate 2, a thread groove 3, a threaded rod 4, a grab handle 5, a cylinder 6, a first bearing 7, a sliding block 8, a sliding groove 9, a second bearing 10, a stabilizing disc 11, a rolling groove 12, a ball 13, a stabilizing groove 14, a telescopic groove 15, a telescopic rod 16 and a mounting hole 17.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a chain tooth-disengaging preventing device comprises two mounting plates 1 which are symmetrically arranged, wherein the upper ends of the two mounting plates 1 are fixedly connected with a supporting plate 2, the opposite side walls of the two mounting plates 1 are symmetrically provided with thread grooves 3, a threaded rod 4 is arranged between the two mounting plates 1, the thread directions on the threaded rod 4 are arranged in an anti-symmetric manner, both ends of the threaded rod 4 penetrate through the notches corresponding to the thread grooves 3 and extend into the thread grooves 3, the threaded rod 4 is matched with the thread grooves 3, a grab handle 5 is fixedly sleeved on the threaded rod 4 between the two mounting plates 1, when the device is not used and needs to be carried, the two mounting plates 1 are kept not to rotate, the grab handle 5 is held, a rotating force is applied to the threaded rod 4, along with the rotation of the threaded rod 4, the two mounting plates 1 move back to back or towards each, can adjust the distance between two mounting panels 1 as required, be difficult to lose as an organic whole with two mounting panels 1 connection moreover, it is more convenient to carry simultaneously.

The two ends of the threaded rod 4 are symmetrically and fixedly connected with a cylinder 6, the wall of the cylinder 6 is fixedly sleeved with a first bearing 7, the annular side wall of the first bearing 7 is symmetrically and fixedly connected with a sliding block 8, the positions of the groove wall of the threaded groove 3 corresponding to the two sliding blocks 8 are symmetrically provided with sliding grooves 9 matched with the sliding blocks along the horizontal straight line direction, one end of each sliding block 8, far away from the first bearing 7, penetrates through the notch of the corresponding sliding groove 9 and extends into the corresponding sliding groove 9, the sliding block 8 is connected in the corresponding sliding groove 9 in a sliding manner, the cylinder 6 is driven to synchronously rotate when the threaded rod 4 rotates, the sliding block 8 is not driven to synchronously rotate when the cylinder 6 rotates in the first bearing 7, when the threaded rod 4 moves in the threaded groove 3, the first bearing 7 drives the sliding block 8 to synchronously move in the sliding groove 9, when the sliding block 8 moves in the sliding groove 9, the sliding block 8 does not affect the, the threaded rod 4 is prevented from slipping out of the threaded groove 3.

It has second bearing 10 to fix the cover in relation to 5 symmetries of grab handle on the threaded rod 4, it has stable dish 11 to fix the cover on the annular lateral wall of second bearing 10, be the even equidistance of annular on two blocks of stable dish 11 lateral walls and seted up a plurality of roll groove 12, be equipped with rolling ball 13 in the roll groove 12, annular stable groove 14 has been seted up to grab handle 5 both sides near stable dish 11, ball 13 keeps away from the one end of roll groove 12 tank bottoms and passes the notch of roll groove 12 and extend to stable groove 14 in, and ball 13 roll connection is at stable groove 14's tank bottom, carry out the centre gripping through symmetric distribution's annular ball 13 to grab handle 5, make grab handle 5 pivoted more stable.

Two mounting panel 1 opposite lateral symmetry have seted up flexible groove 15, and a common fixed connection telescopic link 16 between two flexible grooves 15 carries out spacing connection to two mounting panel 1 through telescopic link 16.

A plurality of mounting holes 17 are formed in the mounting plate 1, and the mounting plate 1 is convenient to mount through mounting screws in the mounting holes 17.

The ball 13 has a larger spherical diameter than the groove diameter of the notch of the rolling groove 12, preventing the ball 13 from slipping out of the rolling groove 12.

In the utility model, when the device is not used and needs to be carried, the two mounting plates 1 are kept not to rotate, the position of the grab handle 5 is held, and a rotating force is applied to the threaded rod 4, along with the rotation of the threaded rod 4, the two mounting plates 1 move back and forth or oppositely on the threaded rod 4 according to the rotation direction of the threaded rod 4, the distance between the two mounting plates 1 can be adjusted according to the needs, and the two mounting plates 1 are connected into a whole and are not easy to lose, so that the device is more convenient to carry; the threaded rod 4 drives the cylinder 6 to rotate synchronously, the cylinder 6 can not drive the slider 8 to rotate synchronously when rotating in the first bearing 7, when the threaded rod 4 moves in the thread groove 3, the first bearing 7 drives the slider 8 to move synchronously in the sliding groove 9, and when the slider 8 moves in the sliding groove 9, the slider 8 can not influence the threaded rod 4 by moving in the sliding groove 9 through the first bearing 7, so that the threaded rod 4 can not slide out of the thread groove 3.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a chain anticreep tooth device, includes mounting panel (1) that two symmetries set up, its characterized in that, two equal fixedly connected with layer board (2) in upper end of mounting panel (1), two thread groove (3) have been seted up to symmetry on mounting panel (1) the lateral wall in opposite directions, two be equipped with threaded rod (4) between mounting panel (1), threaded rod (4) are gone up the opposite symmetry setting of thread direction, just the both ends of threaded rod (4) all pass the notch that corresponds thread groove (3) and extend to thread groove (3), threaded rod (4) and thread groove (3) phase-match are located two fixed cover has been connect grab handle (5) on threaded rod (4) between mounting panel (1).

2. The chain tooth-off preventing device according to claim 1, wherein cylinders (6) are symmetrically and fixedly connected to two ends of the threaded rod (4), a first bearing (7) is fixedly sleeved on a column wall of each cylinder (6), sliders (8) are symmetrically and fixedly connected to an annular side wall of each first bearing (7), sliding grooves (9) matched with the two sliders (8) are symmetrically formed in positions, corresponding to the two sliders (8), on a groove wall of the threaded groove (3) along a horizontal straight line direction, one ends, far away from the first bearings (7), of the sliders (8) penetrate through notches of the sliding grooves (9) and extend into the sliding grooves (9), and the sliders (8) are slidably connected in the corresponding sliding grooves (9).

3. The chain anti-derailment device according to claim 1, wherein the threaded rod (4) is symmetrically and fixedly connected with a second bearing (10) through a handle (5), a stabilizing disc (11) is fixedly connected with an annular side wall of the second bearing (10), two stabilizing discs (11) are symmetrically and uniformly arranged on the opposite side walls and are provided with a plurality of rolling grooves (12), rolling balls (13) are arranged in the rolling grooves (12), two sides of the handle (5) close to the stabilizing disc (11) are provided with annular stabilizing grooves (14), one end of each ball (13) far away from the bottom of each rolling groove (12) penetrates through the groove opening of each rolling groove (12) and extends into each stabilizing groove (14), and each ball (13) is connected to the bottom of each stabilizing groove (14) in a rolling manner.

4. The chain anti-derailment device according to claim 1, wherein two mounting plates (1) are symmetrically provided with telescopic grooves (15) at opposite sides, and a telescopic rod (16) is fixedly connected between the two telescopic grooves (15).

5. The chain anti-derailment device according to claim 1, wherein the mounting plate (1) has a plurality of mounting holes (17).

6. A chain derailment device according to claim 3, wherein the balls (13) have a diameter greater than the diameter of the groove of the rolling groove (12).