CN216430407U

CN216430407U - Worm with pressure regulating mechanism

Info

Publication number: CN216430407U
Application number: CN202123362893.9U
Authority: CN
Inventors: 周露; 周洪全
Original assignee: Guangdong Hongquan Machinery Technology Co ltd
Current assignee: Guangdong Hongquan Machinery Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-03
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to a worm technical field just discloses a worm with pressure adjustment mechanism, including the work box, spout one has been seted up in the outside of work box, the inboard of spout one is provided with the entry axle, the outside of entry axle is provided with the bearing. This worm with pressure adjustment mechanism, through promoting the ejector pad, the ejector pad drives the locating piece through the slide and leaves the constant head tank, make the adjusting plate can reciprocate, twist and move the knob, the knob drives the driving gear and rotates, be connected through the meshing of driving gear with driven gear, make driven gear drive threaded rod rotate, the threaded connection of rethread threaded rod and adjusting plate, make the adjusting plate go up and down under the spacing of spacing spout, the adjusting plate drives the distance of worm body adjustment and worm wheel, loosen the ejector pad, the locating piece inserts the constant head tank under the effect of spring, realize the location to the adjusting plate, insert the constant head tank of different positions through the locating piece, thereby the contact pressure of adjustment worm body and worm wheel.

Description

Worm with pressure regulating mechanism

Technical Field

The utility model relates to a worm technical field specifically is a worm with pressure adjustment mechanism.

Background

The worm is a gear which is provided with one or more spiral teeth and is meshed with a worm wheel to form a staggered shaft gear pair, the worm transmission is composed of the worm and the worm wheel and is used for transmitting motion and power between staggered shafts, in general worm transmission, the worm is used as a driving part, when the worm is in use, the teeth of the worm wheel slide and roll along the spiral surface of the worm, in order to improve the contact condition of the teeth, the worm wheel is made into an arc shape along the tooth width direction, so that the worm part is wrapped by the worm wheel, and the worm wheel are in line contact instead of point contact when meshed.

Most of the existing worms cannot adjust the contact pressure with the worm wheel according to different rotating speeds during transmission, so that the transmission stability under different speeds is poor, the abrasion between the worm and the worm wheel is aggravated, and the service life of the worm and the worm wheel is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a worm with pressure adjustment mechanism to propose the contact pressure that current most worm can not adjust and the worm wheel according to the difference of rotational speed when the transmission in solving above-mentioned background art, lead to the transmission stability under the different speeds not good, and the wearing and tearing of worm and worm wheel aggravate, influence worm gear's life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a worm with pressure adjustment mechanism, includes the work box, spout one has been seted up in the outside of work box, the inboard of spout one is provided with the income power axle, the outside of going into the power axle is provided with the bearing, the outside fixedly connected with worm body of income power axle, one side that the work box kept away from the income power axle is provided with adjustment mechanism, the outside of bearing is provided with the adjusting plate, the inside of adjusting plate is provided with positioning mechanism, the outside of worm body is provided with the worm wheel, the inboard fixed mounting of worm wheel has the output shaft, spacing spout has been seted up to the inside of work box.

Preferably, the first sliding groove is in sliding connection with the input shaft, the worm body is in rotating connection with the adjusting plate through a bearing, the limiting sliding groove is in sliding connection with the adjusting plate, the worm body is driven to rotate through the input shaft, and the adjusting plate slides in a limiting mode through the limiting sliding groove.

Preferably, adjustment mechanism includes knob, driving gear, driven gear and threaded rod, the outside of work box is rotated and is connected with the knob, the outside fixed mounting of knob has the driving gear, the driving gear is located the work box, the bottom of work box inside is provided with driven gear, driven gear is connected for the meshing with the driving gear, driven gear's outside fixed mounting has the threaded rod, the threaded rod is threaded connection with the adjusting plate, twists the knob, and the knob drives the driving gear and rotates, is connected through the meshing of driving gear and driven gear, makes driven gear drive the threaded rod and rotates, and the threaded connection of rethread threaded rod and adjusting plate makes the adjusting plate go up and down under the spacing of spacing spout, and the adjusting plate drives the distance of worm body adjustment and worm wheel.

Preferably, positioning mechanism includes spout two, spout three, constant head tank, spring, slide, locating piece and ejector pad, the inside reservation of work box has spout two, the inside reservation of adjusting plate has spout three, the inside of adjusting plate is provided with the constant head tank that is equidistant distribution, constant head tank and spout three-phase interconnect reserve out the slide and move the space through the setting of spout three, spout two.

Preferably, the inner side of the second sliding groove is fixedly connected with one end of a spring, the other end of the spring is fixedly connected with a sliding plate, the outer side of the sliding plate is fixedly provided with a positioning block, the sliding plate is in sliding connection with the third sliding groove, the positioning block is in clamping connection with the positioning groove, the outer side of the sliding plate is fixedly provided with a push block, the push block is in sliding connection with the working box, the push block is pushed and drives the positioning block to leave the positioning groove through the sliding plate, the adjusting plate can move up and down, the push block is loosened, the positioning block is inserted into the positioning groove under the action of the spring to realize the positioning of the adjusting plate, the positioning block is inserted into the positioning grooves at different positions to realize the adjustment of the height of the adjusting plate, so that the contact pressure of the worm body and the worm wheel is adjusted, when the rotating speed of the input shaft is too fast, the pressure of the worm body and the worm wheel is adjusted to be a larger value, and the transmission stability of the worm wheel and the worm body is enhanced, when the rotating speed of the input shaft is low, the pressure of the worm body and the worm wheel is reduced, the friction between the worm body and the worm wheel is reduced, the loss is reduced, and the service life is prolonged.

Preferably, the worm body is connected with the worm wheel in a meshing manner, the mounting direction of the output shaft is relatively vertical to that of the input shaft, and the worm body is connected with the worm wheel in a meshing manner, so that the worm body drives the worm wheel to transmit, and the worm wheel drives the output shaft to rotate.

Compared with the prior art, the utility model provides a worm with pressure adjustment mechanism possesses following beneficial effect: the worm with the pressure adjusting mechanism drives the push block to drive the positioning block to leave the positioning groove through the sliding plate, so that the adjusting plate can move up and down, the knob is screwed, the knob drives the driving gear to rotate, the driving gear is meshed with the driven gear, the driven gear drives the threaded rod to rotate, the threaded rod is in threaded connection with the adjusting plate, the adjusting plate is lifted under the limit of the limit sliding groove, the adjusting plate drives the worm body to adjust the distance between the adjusting plate and the worm wheel, the push block is loosened, the positioning block is inserted into the positioning groove under the action of the spring to realize the positioning of the adjusting plate, the positioning block is inserted into the positioning grooves at different positions to realize the adjustment of the height of the adjusting plate, so that the contact pressure between the worm body and the worm wheel is adjusted, when the rotating speed of the input shaft is too fast, the pressure between the worm body and the worm wheel is adjusted to be a larger value, and the transmission stability between the worm wheel and the worm body is enhanced, when the rotating speed of the input shaft is low, the pressure of the worm body and the worm wheel is reduced, the friction between the worm body and the worm wheel is reduced, the loss is reduced, and the service life is prolonged.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the front cross-section structure of the present invention;

FIG. 3 is a schematic side sectional view of the present invention;

fig. 4 is a schematic view of the sliding structure of the adjusting plate of the present invention.

Wherein: 1. a work box; 2. a first sliding chute; 3. an input shaft; 4. a bearing; 5. a worm body; 6. an adjustment mechanism; 7. an adjustment plate; 8. a positioning mechanism; 9. a worm gear; 10. a force output shaft; 11. a limiting chute; 61. a knob; 62. a driving gear; 63. a driven gear; 64. a threaded rod; 81. a second chute; 82. a third chute; 83. positioning a groove; 84. a spring; 85. a slide plate; 86. positioning blocks; 87. and (7) pushing the block.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a worm with a pressure adjusting mechanism comprises a working box 1, a first sliding groove 2 is formed in the outer side of the working box 1, a force input shaft 3 is arranged on the inner side of the first sliding groove 2, a bearing 4 is arranged on the outer side of the force input shaft 3, a worm body 5 is fixedly connected to the outer side of the force input shaft 3, an adjusting mechanism 6 is arranged on one side, away from the force input shaft 3, of the working box 1, the adjusting mechanism 6 comprises a knob 61, a driving gear 62, a driven gear 63 and a threaded rod 64, a knob 61 is rotatably connected to the outer side of the working box 1, the driving gear 62 is fixedly installed on the outer side of the knob 61, the driving gear 62 is located in the working box 1, the driven gear 63 is arranged at the bottom inside the working box 1, the driven gear 63 is in meshed connection with the driving gear 62, the threaded rod 64 is fixedly installed on the outer side of the driven gear 63, the threaded rod 64 is in threaded connection with an adjusting plate 7, the knob 61 is screwed, the knob 61 drives the driving gear 62 to rotate, the driven gear 63 drives the threaded rod 64 to rotate through the meshed connection of the driving gear 62 and the driven gear 63, the adjusting plate 7 is lifted under the limit of the limit sliding groove 11 through the threaded connection of the threaded rod 64 and the adjusting plate 7, and the adjusting plate 7 drives the worm body 5 to adjust the distance between the worm body and the worm wheel 9;

an adjusting plate 7 is arranged on the outer side of a bearing 4, a first sliding groove 2 is in sliding connection with an input shaft 3, a worm body 5 is in rotating connection with the adjusting plate 7 through the bearing 4, a limiting sliding groove 11 is in sliding connection with the adjusting plate 7, the worm body 5 is driven to rotate through the input shaft 3, a positioning mechanism 8 is arranged inside the limiting sliding adjusting plate 7 of the adjusting plate 7 through the limiting sliding groove 11, the positioning mechanism 8 comprises a second sliding groove 81, a third sliding groove 82, a positioning groove 83, a spring 84, a sliding plate 85, a positioning block 86 and a push block 87, the second sliding groove 81 is reserved inside the working box 1, the third sliding groove 82 is reserved inside the adjusting plate 7, the positioning grooves 83 are distributed at equal intervals inside the adjusting plate 7, the positioning grooves 83 are connected with the third sliding groove 82, and a moving space of the sliding plate 85 is reserved through the third sliding groove 82 and the second sliding groove 81;

one end of a spring 84 is fixedly connected to the inner side of the second sliding groove 81, the other end of the spring 84 is fixedly connected with a sliding plate 85, a positioning block 86 is fixedly installed on the outer side of the sliding plate 85, the sliding plate 85 is in sliding connection with the third sliding groove 82, the positioning block 86 is in clamping connection with the positioning groove 83, a pushing block 87 is fixedly installed on the outer side of the sliding plate 85, the pushing block 87 is in sliding connection with the working box 1, the pushing block 87 is pushed, the pushing block 87 drives the positioning block 86 to leave the positioning groove 83 through the sliding plate 85, the adjusting plate 7 can move up and down, the pushing block 87 is loosened, the positioning block 86 is inserted into the positioning groove 83 under the action of the spring 84, positioning of the adjusting plate 7 is achieved, the positioning block 86 is inserted into the positioning grooves 83 in different positions, adjustment of the height of the adjusting plate 7 is achieved, accordingly, contact pressure between the worm body 5 and the worm wheel 9 is adjusted to be a larger value, reinforcing worm wheel 9 and the driven stability of worm body 5, when 3 rotational speeds of income power axle are slower, worm body 5 and worm wheel 9's pressure is transferred down, reduce worm body 5 and worm wheel 9's friction, less loss, and the service life is prolonged, the outside of worm body 5 is provided with worm wheel 9, the inboard fixed mounting of worm wheel 9 has output shaft 10, spacing spout 11 has been seted up to the inside of work box 1, worm body 5 is connected for the meshing with worm wheel 9, the installation direction of output shaft 10 is relatively perpendicular with the installation direction of income power axle 3, be connected through the meshing of worm body 5 with worm wheel 9, make worm body 5 drive worm wheel 9 transmission, worm wheel 9 drives output shaft 10 and rotates.

The working principle is as follows: firstly, the height of the adjusting plate 7 is adjusted according to the rotating speed of the input shaft 3, the pushing block 87 is pushed, the pushing block 87 drives the positioning block 86 to leave the positioning groove 83 through the sliding plate 85, so that the adjusting plate 7 can move up and down, the knob 61 is screwed, the knob 61 drives the driving gear 62 to rotate, the driven gear 63 drives the threaded rod 64 to rotate through the meshed connection of the driving gear 62 and the driven gear 63, the adjusting plate 7 is lifted and lowered under the limit of the limit sliding groove 11 through the threaded connection of the threaded rod 64 and the adjusting plate 7, the adjusting plate 7 drives the worm body 5 to adjust the distance between the worm body 5 and the worm wheel 9, the pushing block 87 is loosened, the positioning block 86 is inserted into the positioning groove 83 under the action of the spring 84 to realize the positioning of the adjusting plate 7, the positioning block 86 is inserted into the positioning grooves 83 at different positions to realize the adjustment of the height of the adjusting plate 7, so as to adjust the contact pressure between the worm body 5 and the worm wheel 9, when the rotational speed of income power axle 3 is too fast, the pressure adjustment of worm body 5 and worm wheel 9 is the great value, reinforcing worm wheel 9 and the driven stability of worm body 5, when the rotational speed of income power axle 3 is slower, the pressure of worm body 5 and worm wheel 9 is transferred and is reduced, reduce the friction of worm body 5 and worm wheel 9, less loss, improve life, drive worm body 5 through going into power axle 3 and rotate, be connected through the meshing of worm body 5 and worm wheel 9, make worm body 5 drive worm wheel 9 transmission, worm wheel 9 drives output shaft 10 and rotates.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A worm with pressure regulating mechanism, comprising a work box (1), characterized in that: spout one (2) have been seted up in the outside of work box (1), the inboard of spout one (2) is provided with entry axle (3), the outside of entry axle (3) is provided with bearing (4), the outside fixedly connected with worm body (5) of entry axle (3), one side that entry axle (3) were kept away from in work box (1) is provided with adjustment mechanism (6), the outside of bearing (4) is provided with adjusting plate (7), the inside of adjusting plate (7) is provided with positioning mechanism (8), the outside of worm body (5) is provided with worm wheel (9), the inboard fixed mounting of worm wheel (9) has output shaft (10), spacing spout (11) have been seted up to the inside of work box (1).

2. A worm screw having a pressure adjusting mechanism according to claim 1, wherein: the first sliding groove (2) is in sliding connection with the input shaft (3), the worm body (5) is in rotating connection with the adjusting plate (7) through a bearing (4), and the limiting sliding groove (11) is in sliding connection with the adjusting plate (7).

3. A worm screw having a pressure adjusting mechanism according to claim 1, wherein: adjustment mechanism (6) include knob (61), driving gear (62), driven gear (63) and threaded rod (64), the outside of work box (1) is rotated and is connected with knob (61), the outside fixed mounting of knob (61) has driving gear (62), driving gear (62) are located work box (1), the inside bottom of work box (1) is provided with driven gear (63), driven gear (63) are connected for the meshing with driving gear (62), the outside fixed mounting of driven gear (63) has threaded rod (64), threaded rod (64) are threaded connection with adjusting plate (7).

4. The worm with pressure adjusting mechanism according to claim 1, wherein: positioning mechanism (8) include spout two (81), spout three (82), constant head tank (83), spring (84), slide (85), locating piece (86) and ejector pad (87), the inside reservation of work box (1) has spout two (81), the inside reservation of adjusting plate (7) has spout three (82), the inside of adjusting plate (7) is provided with constant head tank (83) that are equidistant distribution, constant head tank (83) and three (82) interconnect of spout.

5. The worm screw having a pressure adjusting mechanism according to claim 4, wherein: the utility model discloses a slide way, including spout two (81), the inboard fixedly connected with spring (84) of spout two (81), the other end fixedly connected with slide (85) of spring (84), the outside fixed mounting of slide (85) has locating piece (86), slide (85) are sliding connection with spout three (82), locating piece (86) are connected for the block with constant head tank (83), the outside fixed mounting of slide (85) has ejector pad (87), ejector pad (87) are sliding connection with work box (1).

6. A worm screw having a pressure adjusting mechanism according to claim 1, wherein: the worm body (5) is in meshed connection with the worm wheel (9), and the mounting direction of the output shaft (10) is relatively vertical to that of the input shaft (3).