CN214534364U

CN214534364U - Sprocket metal casting

Info

Publication number: CN214534364U
Application number: CN202120807590.4U
Authority: CN
Inventors: 林海涛
Original assignee: Ji'an County Kaiyuan Precision Casting Co ltd
Current assignee: Ji'an County Kaiyuan Precision Casting Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-10-29
Anticipated expiration: 2031-04-20

Abstract

The utility model discloses a sprocket metal casting, comprises a wheel body, the loculus has been seted up in the wheel body, link up the wheel body on the top surface of loculus and seted up the loop, and the rigid coupling has the fixture block on the bottom surface of loculus, the draw-in groove has been seted up on the lateral wall of loculus, sliding connection has tooth on the lateral wall of wheel body, the rigid coupling has the joint pole on the bottom surface of tooth, the other end of joint pole extends to the intra-annular cavity, the rigid coupling has the horizontal pole on the access end of joint pole, and the joint pole cup joints with the loop slides. This chain wheel metal casting's tooth and wheel body are polished conveniently, avoid influencing the quality of sprocket, have reduced the cost of labor, and can increase or reduce the tooth, reach the purpose that changes the sprocket pitch, have enlarged the application range of sprocket, need not whole replacement, labour saving and time saving has reduced the input of cost.

Description

Sprocket metal casting

Technical Field

The utility model relates to a sprocket processing technology field specifically is a sprocket metal casting.

Background

The casting is a metal molding object obtained by various casting methods, namely, the smelted liquid metal is injected into a casting mold prepared in advance by pouring, injecting, sucking or other casting methods, and the object with certain shape, size and performance is obtained by grinding after cooling;

general sprocket on the market directly forms through the casting, thereby it is fixed to make the number of teeth of sprocket and tooth pitch, and then make the sprocket can't change along with the change of chain, it is limited to make the application range of sprocket, it wastes time and energy to change temporarily, the input of cost has been increased simultaneously, and the sprocket of general casting needs the later stage shaping of polishing, and because its shape is complicated, make the unable grinding in clearance between rodent and the wheel body, thereby the quality of sprocket has been influenced, the cost of labor has been increased, the limited problem of product has been brought, for this reason, we provide a sprocket metal casting.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sprocket metal casting, with the general sprocket that proposes in solving above-mentioned background directly forms through the casting, thereby make the number of teeth and the tooth pitch of sprocket fixed, and then make the sprocket can't change along with the change of chain, make the application range of sprocket limited, it wastes time and energy to change temporarily, the input of cost has been increased simultaneously, and the sprocket of general casting needs the shaping of polishing in later stage, and because its shape is complicated, make the clearance between rodent and the wheel body can't polish, thereby the quality of sprocket has been influenced, the cost of labor has been increased, the limited problem of product has been brought.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sprocket metal casting, includes the wheel body, the loculus has been seted up in the wheel body, link up the wheel body on the top surface of loculus and seted up the loop, and the rigid coupling has the fixture block on the bottom surface of loculus, has seted up the draw-in groove on the lateral wall of loculus, sliding connection has tooth on the lateral wall of wheel body, the rigid coupling has the joint pole on the bottom surface of tooth, the other end of joint pole extends to the loculus, the rigid coupling has the horizontal pole on stretching into of joint pole, and the joint pole cup joints with the loop slides.

Preferably, erect chamber and through-hole have been seted up in extension rod and the horizontal pole respectively, seted up flutedly on the top surface of rodent, sliding sleeve has drawn the piece in the recess, the rigid coupling has pull rod one on the bottom surface of drawing the piece, the other end of pull rod one extends to erecting the intracavity, the rigid coupling has the slide bar on the lateral wall of pull rod one stretching end, the other end of slide bar and the lateral wall sliding connection who erects the chamber, and articulated on the bottom lateral wall of pull rod one have pull rod two, the other end of pull rod two extends to in the through-hole, and the stretching end of pull rod two articulates there is the kelly, the kelly cup joints with the through-hole slip, and installs the spring on the bottom surface of pull rod one, the other end of spring and the bottom surface rigid coupling of through-hole.

Preferably, the top surface of fixture block cup joints with the bottom surface gomphosis of horizontal pole, horizontal pole and rodent parallel arrangement, draw-in groove and fixture block are provided with the multiunit respectively, and multiunit draw-in groove and fixture block set up about the axis symmetry of wheel body.

Preferably, the vertical cavity and the through hole are arranged in a T shape, the sliding rod is perpendicular to the first pull rod, the second pull rod and the clamping rod are respectively provided with two clamping rods, and the two second pull rods and the two clamping rods are symmetrically arranged relative to the connecting rod.

Preferably, the clamping rod is sleeved with the clamping groove in an embedded mode, multiple groups of engaging teeth are arranged, and the multiple groups of engaging teeth are evenly distributed on the central axis of the wheel body.

Preferably, the pull block drives the clamping rod to move through the first pull rod, the second pull rod and the spring.

Compared with the prior art, the beneficial effects of the utility model are that:

the wheel body and the grinding teeth of the chain wheel metal casting can be respectively polished, the cross rod on the connecting rod is placed into the annular cavity through the annular channel, then the grinding teeth are rotated, the connecting rod and the cross rod are driven by the grinding teeth to rotate by 90 degrees, the cross rod is preliminarily clamped with the wheel body, meanwhile, the clamping rod in the cross rod is clamped with the clamping groove, and the clamping block is clamped with the cross rod, so that the purpose of fixing the grinding teeth is achieved, a complete chain wheel is formed, blocking between the grinding teeth is avoided, the grinding teeth and the wheel body are convenient to polish, the quality of the chain wheel is prevented from being influenced, and labor cost is reduced;

this sprocket metal casting drives pull rod one through the piece that draws in the recess and rises, and the slide bar on the pull rod one and the lateral wall sliding connection who erects the chamber, make pull rod one unable rotation, thereby make pull rod one stably drive the one end of pull rod two and rise, make the other end pulling kelly of pull rod two, make the kelly shrink to the through-hole in, and then make kelly and draw-in groove separation, the fixing of kelly and rodent has been relieved, make the rodent portable, and then multiplicable or reduction rodent, reach the purpose that changes the sprocket pitch, make the sprocket form a complete set with the chain again, the application range of sprocket has been enlarged, need not whole replacement, time and labor saving, the input of cost is reduced.

Drawings

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

FIG. 2 is a front cross-sectional view of the wheel body structure of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention;

fig. 4 is a schematic view of the structure of the rodent of the present invention;

fig. 5 is a right sectional view of the rodent structure of the present invention.

In the figure: 1. a wheel body; 2. an annular cavity; 3. a loop; 4. a clamping block; 5. a card slot; 6. a rodent; 7. a connecting rod; 8. a cross bar; 9. a vertical cavity; 10. a through hole; 11. a groove; 12. pulling the block; 13. a first pull rod; 14. a slide bar; 15. a second pull rod; 16. a clamping rod; 17. a spring.

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.

Example 1:

referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a sprocket metal casting, including wheel body 1, the ring chamber 2 has been seted up in the wheel body 1, link up wheel body 1 on the top surface of ring chamber 2 and seted up loop channel 3, and the rigid coupling has fixture block 4 on the bottom surface of ring chamber 2, draw-in groove 5 has been seted up on the lateral wall of ring chamber 2, sliding connection has tooth 6 on the lateral wall of wheel body 1, the rigid coupling has joint rod 7 on the bottom surface of tooth 6, the other end of joint rod 7 extends to in the ring chamber 2, the rigid coupling has horizontal pole 8 on the end of stretching into of joint rod 7, and joint rod 7 cup joints with 3 slides of ring channel, the top surface of fixture block 4 cup joints with the bottom surface gomphosis of horizontal pole 8, horizontal pole 8 and tooth 6 parallel arrangement, draw-in groove 5 and fixture block 4 are provided with the multiunit respectively, and multiunit draw-in groove 5 and fixture block 4 set up about the axis symmetry of wheel body 1.

Casting respectively wheel body 1 and tooth 6 and shaping, thereby can polish respectively, put into the ring chamber 2 through the roundabout 3 with horizontal pole 8 on the joint pole 7 again, rotate tooth 6 again, make tooth 6 drive joint pole 7 and horizontal pole 8 rotate 90, make horizontal pole 8 tentatively with wheel body 1 joint, card pole 16 and draw-in groove 5 joint in the horizontal pole 8 simultaneously, fixture block 4 and horizontal pole 8 joint, reach the purpose of fixed tooth 6, form complete sprocket, the stopping between the tooth 6 has been avoided, make polishing convenience of tooth 6 and wheel body 1, avoid influencing the quality of sprocket, and labor cost is reduced.

Example 2:

referring to fig. 1 and 5, a vertical cavity 9 and a through hole 10 are respectively arranged in an engaging rod 7 and a cross rod 8, a groove 11 is arranged on the top surface of a tooth 6, a pulling block 12 is sleeved in the groove 11 in a sliding manner, a first pulling rod 13 is fixedly connected to the bottom surface of the pulling block 12, the other end of the first pulling rod 13 extends into the vertical cavity 9, a sliding rod 14 is fixedly connected to the side wall of the extending end of the first pulling rod 13, the other end of the sliding rod 14 is slidably connected with the side wall of the vertical cavity 9, a second pulling rod 15 is hinged to the side wall of the bottom end of the first pulling rod 13, the other end of the second pulling rod 15 extends into the through hole 10, a clamping rod 16 is hinged to the extending end of the second pulling rod 15, the clamping rod 16 is slidably sleeved with the through hole 10, a spring 17 is arranged on the bottom surface of the first pulling rod 13, the other end of the spring 17 is fixedly connected with the bottom surface of the through hole 10, the vertical cavity 9 and the through hole 10 are arranged in a T shape, the sliding rod 14 is perpendicular to the first pulling rod 13, and the two

clamping rods

15 and 16 are respectively arranged, and two pull rods 15 and the clamping rod 16 are symmetrically arranged relative to the connecting rod 7, the clamping rod 16 is embedded and sleeved with the clamping groove 5, multiple groups of the grinding teeth 6 are arranged, the multiple groups of the grinding teeth 6 are uniformly distributed relative to the central axis of the wheel body 1, and the pull block 12 drives the clamping rod 16 to move through the pull rod one 13, the pull rod two 15 and the spring 17.

Pulling the pulling block 12 in the groove 11, making the pulling block 12 drive the first pull rod 13 to ascend, and the sliding rod 14 on the first pull rod 13 is connected with the side wall of the vertical cavity 9 in a sliding manner, making the first pull rod 13 unable to rotate, making the first pull rod 13 stably drive one end of the second pull rod 15 to ascend, making the other end of the second pull rod 15 pull the clamping rod 16, making the clamping rod 16 contract into the through hole 10, further making the clamping rod 16 separate from the clamping groove 5, releasing the fixation of the clamping rod 16 and the grinding tooth 6, making the grinding tooth 6 movable, further increasing or reducing the grinding tooth 6, achieving the purpose of changing the tooth pitch of the chain wheel, making the chain wheel matched with the chain again, expanding the application range of the chain wheel, not needing integral replacement, saving time and labor, and reducing the investment of cost.

The working principle is as follows: the wheel body 1 and the tooth 6 are respectively cast and molded, so that the wheel body and the tooth 6 can be respectively polished, the cross rod 8 on the connecting rod 7 is placed into the annular cavity 2 through the annular channel 3, the tooth 6 is rotated, the tooth 6 drives the connecting rod 7 and the cross rod 8 to rotate 90 degrees, the cross rod 8 is preliminarily clamped with the wheel body 1, meanwhile, the clamping rod 16 in the cross rod 8 is clamped with the clamping groove 5, the clamping block 4 is clamped with the cross rod 8, the purpose of fixing the tooth 6 is achieved, a complete chain wheel is formed, blocking between the tooth 6 is avoided, polishing of the tooth 6 and the wheel body 1 is convenient, the quality of the chain wheel is prevented from being influenced, labor cost is reduced, when a chain matched with the chain wheel body is changed, the tooth 6 on the wheel body 1 needs to be adjusted, the pull block 12 in the groove 11 is pulled, the pull block 12 drives the pull rod one 13 to ascend, the slide rod 14 on the pull rod one 13 is connected with the side wall of the vertical cavity 9 in a sliding mode, so that the pull rod one 13 cannot rotate, thereby make one 13 of stable drive two 15 one ends of pull rod rise, make two 15 other ends pulling kelly 16 of pull rod, make kelly 16 shrink to in the through-hole 10, and then make kelly 16 and draw-in groove 5 separation, the fixed of kelly 16 and rodent 6 has been removed, make rodent 6 portable, and then multiplicable or reduction rodent 6, reach the purpose that changes the sprocket tooth pitch, make the sprocket form a complete set with the chain again, the application range of sprocket has been enlarged, need not whole replacement, time saving and labor saving, the input of cost is reduced, the operation is accomplished.

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 sprocket metal casting, includes wheel body (1), its characterized in that: seted up ring chamber (2) in wheel body (1), link up wheel body (1) on the top surface of ring chamber (2) and seted up ring road (3), and the rigid coupling has fixture block (4) on the bottom surface of ring chamber (2), seted up draw-in groove (5) on the lateral wall of ring chamber (2), sliding connection has tooth (6) on the lateral wall of wheel body (1), the rigid coupling has joint pole (7) on the bottom surface of tooth (6), the other end of joint pole (7) extends to in ring chamber (2), the rigid coupling has horizontal pole (8) on the income of joint pole (7), and joint pole (7) and ring road (3) sliding sleeve.

2. A sprocket metal casting as defined in claim 1, wherein: vertical cavities (9) and through holes (10) are respectively arranged in the connecting rods (7) and the cross rods (8), grooves (11) are formed in the top surfaces of the rodent teeth (6), pull blocks (12) are sleeved in the grooves (11) in a sliding mode, pull rods (13) are fixedly connected to the bottom surfaces of the pull blocks (12), the other ends of the pull rods (13) extend into the vertical cavities (9), sliding rods (14) are fixedly connected to the side walls of the extending ends of the pull rods (13), the other ends of the sliding rods (14) are slidably connected with the side walls of the vertical cavities (9), pull rods (15) are hinged to the side walls of the bottom ends of the pull rods (13), the other ends of the pull rods (15) extend into the through holes (10), clamping rods (16) are hinged to the extending ends of the pull rods (15), the clamping rods (16) are slidably sleeved with the through holes (10), and springs (17) are arranged on the bottom surfaces of the pull rods (13), the other end of the spring (17) is fixedly connected with the bottom surface of the through hole (10).

3. A sprocket metal casting as defined in claim 1, wherein: the top surface of fixture block (4) cup joints with the bottom surface gomphosis of horizontal pole (8), horizontal pole (8) and rodent (6) parallel arrangement, draw-in groove (5) and fixture block (4) are provided with the multiunit respectively, and multiunit draw-in groove (5) and fixture block (4) are around the axis symmetry setting of wheel body (1).

4. A sprocket metal casting as defined in claim 2, wherein: the vertical cavity (9) and the through hole (10) are arranged in a T shape, the sliding rod (14) and the first pull rod (13) are arranged perpendicularly, the second pull rod (15) and the clamping rod (16) are respectively provided with two, and the two second pull rods (15) and the clamping rod (16) are symmetrically arranged relative to the connecting rod (7).

5. A sprocket metal casting as defined in claim 2, wherein: the clamping rod (16) is embedded and sleeved with the clamping groove (5), multiple groups of engaging teeth (6) are arranged, and the multiple groups of engaging teeth (6) are uniformly distributed about the central axis of the wheel body (1).

6. A sprocket metal casting as defined in claim 2, wherein: the pull block (12) drives the clamping rod (16) to move through the first pull rod (13), the second pull rod (15) and the spring (17).