CN215059291U

CN215059291U - Knife edge type rack

Info

Publication number: CN215059291U
Application number: CN202121249976.4U
Authority: CN
Inventors: 龚亦锋; 洪灵; 周玉梅
Original assignee: Shenzhen Kaiside Hardware Products Co ltd
Current assignee: Shenzhen Kaiside Hardware Products Co ltd
Priority date: 2021-06-05
Filing date: 2021-06-05
Publication date: 2021-12-07
Anticipated expiration: 2031-06-05

Abstract

The utility model discloses a edge of a knife profile rack, including the pinion rack, a plurality of sliding tray, a plurality of have evenly been seted up at the top of pinion rack the center of sliding tray all is provided with tooth, a plurality of the equal fixedly connected with telescopic link in bottom of tooth, it is a plurality of the spring has all been cup jointed to the outer wall of telescopic link, the front end of pinion rack outer wall is provided with fixed establishment. The utility model discloses a bottom at every tooth all sets up the telescopic link and the spring that correspond, if tooth and the dead problem of gear card on taking place the rack, only need to correspond the dead lever in the tooth front end draw-in groove and take out, then the accessible spring drives the telescopic link and contracts with the tooth this moment, can solve the card problem of dying, and set up the protection box at the front end of pinion rack and come to protect a plurality of dead levers, prevent to fix at the during operation roll-off draw-in groove, and the accessible is twisted and is moved fastening bolt and make it get off with the effect of fastening screw and fix a plurality of fixed plates, and then can fix the front end at the pinion rack with the protection box.

Description

Knife edge type rack

Technical Field

The utility model relates to a mechanical transmission equipment field especially relates to a edge of a knife type rack.

Background

The rack is a special gear with teeth distributed on a strip-shaped body, the rack is also divided into a straight-tooth rack and a helical-tooth rack, and is respectively matched with a straight-tooth cylindrical gear and a helical-tooth cylindrical gear for use, the tooth profile of the rack is a straight line instead of an involute (a plane for the tooth surface), namely, a cylindrical gear with an infinite reference circle radius, and the rack is equal to a section of a gear periphery with an infinite diameter, a plurality of teeth are uniformly distributed on one side of the gear periphery, and are meshed with the gear to change rotation into movement or change the movement into rotation, the rack is in a strip shape, one side of the rack is provided with teeth, and the rack can be regarded as a section of the gear with an infinite diameter.

At present, most of racks are shaped after being manufactured in factories, subsequent adjustment cannot be carried out, if the problem that teeth and gears on the racks are stuck to each other during use occurs, all machines are usually stopped to disassemble the racks, and the process is complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a knife edge type rack is provided, a plurality of telescopic links of accessible come to support single tooth with the spring to take out the dead lever from the draw-in groove that corresponds the tooth front end at the accessible, solve the dead problem of card of rack and gear with this.

In order to solve the technical problem, the utility model discloses a technical scheme be: providing a knife-edge type rack which comprises a toothed plate;

the utility model discloses a tooth's structure, including pinion rack, spring, and the spring is connected with the outer wall of telescopic link, and the spring has all been cup jointed to the top of pinion rack, and is a plurality of the center of sliding tray all is provided with tooth, and is a plurality of the equal fixedly connected with telescopic link in bottom of tooth, and is a plurality of the spring has all been cup jointed to the outer wall of telescopic link, and the tooth is supported to a plurality of telescopic links of accessible, makes it can carry out normal work to can make it shrink to the sliding tray in follow-up through the spring, and then can adjust single tooth, the front end of pinion rack outer wall is provided with fixed establishment.

Preferably, a plurality of through holes are evenly opened at the bottom of the center of the toothed plate, and the toothed plate can be installed and fixed through the through holes.

Preferably, the bottom of the center of the toothed plate is provided with a plurality of limiting grooves corresponding to the telescopic rods, and the bottoms of the telescopic rods can slide in the limiting grooves under the action of the springs, so that the single tooth is adjusted.

Preferably, the fixing mechanism comprises a protection box arranged at the front end of the outer wall of the toothed plate to protect a plurality of fixing rods and prevent the fixing rods from sliding down from the clamping grooves, a plurality of fixing rods corresponding to the teeth are arranged at the center of the protection box, and are respectively inserted into the clamping grooves to fix the teeth, so that the teeth can stably work, the bottom of the protection box is fixedly connected with a plurality of fixing plates, the centers of the fixing plates are in threaded connection with fastening bolts, and the front end of the fixed toothed plate is fixed by the fixing plates through the fastening bolts, so that the protection box can be fixed.

Preferably, a plurality of the front end of tooth outer wall all seted up with the corresponding draw-in groove of dead, only need take off the dead draw-in groove of taking out the dead lever from corresponding tooth front end behind the protection box when meetting the rack card, and then can follow afterwards and carry out elastic shrinkage with it through the spring to nurse.

Preferably, the rear ends of the fixing rods penetrate through the front end of the outer wall of the toothed plate and extend to the center of the clamping groove.

Preferably, a plurality of fastening screw holes corresponding to the fastening bolts are formed in the front end of the outer wall of the toothed plate, and the fastening bolts can pass through the fixing plate and then enter the fastening screw holes to complete threaded connection, so that the protection box is fixed to the front end of the toothed plate.

The utility model has the advantages as follows:

1. the utility model relates to a knife edge type rack all sets up corresponding telescopic link and spring in the bottom of every tooth, if the dead problem of tooth and gear card on the rack takes place, only need to take out the dead lever in the corresponding tooth front end draw-in groove, then can drive telescopic link and tooth to shrink through the spring at this moment, can solve the dead problem of card;

2. the utility model relates to a knife edge type rack protects a plurality of dead levers through set up the protection box at the front end of pinion rack, prevents at the during operation roll-off draw-in groove to the accessible is twisted and is moved fastening bolt and make its effect with the fastening screw get off and fix a plurality of fixed plates, and then can fix the front end at the pinion rack with the protection box.

Drawings

Fig. 1 is a schematic structural view of a knife-edge type rack provided by the present invention;

fig. 2 is a front view of a knife-edge rack according to the present invention;

fig. 3 is a side view of a knife-edge rack according to the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

fig. 5 is a partially enlarged view of fig. 3 at B.

In the figure: 1. a toothed plate; 2. a sliding groove; 3. teeth; 4. a telescopic rod; 5. a spring; 6. a fixing mechanism; 7. a through hole; 8. a limiting groove; 61. a protective case; 62. fixing the rod; 63. a fixing plate; 64. fastening a bolt; 65. a card slot; 66. and fastening the screw hole.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Please refer to fig. 1, fig. 2 and fig. 3, a knife-edge-shaped rack, including a toothed plate 1, a plurality of sliding grooves 2 have been evenly seted up at the top of toothed plate 1, the center of a plurality of sliding grooves 2 all is provided with tooth 3, the bottom of a plurality of tooth 3 all is fixedly connected with telescopic link 4, spring 5 has all been cup jointed to the outer wall of a plurality of telescopic link 4, accessible a plurality of telescopic link 4 come to support tooth 3, make it can normally work, and can make it shrink to sliding groove 2 in follow-up through spring 5, and then can adjust single tooth 3, the front end of toothed plate 1 outer wall is provided with fixed establishment 6, a plurality of through-holes 7 have evenly been seted up to the bottom at toothed plate 1 center, the installation and the fixed toothed plate 1 can be installed and fixed through a plurality of through-holes 7.

Referring to fig. 4, the bottom of the center of the toothed plate 1 is provided with a plurality of limiting grooves 8 corresponding to the telescopic rods 4, and the bottoms of the telescopic rods 4 can slide in the limiting grooves 8 under the action of the springs 5, so as to adjust the single tooth 3.

The fixing mechanism 6 comprises a protective box 61 arranged at the front end of the outer wall of the toothed plate 1 to protect a plurality of fixing rods 62 from sliding off from the clamping grooves 65, a plurality of fixing rods 62 corresponding to the teeth 3 are arranged at the center of the protective box 61, the plurality of teeth 3 are fixed by respectively inserting the plurality of fixing rods 62 into the clamping grooves 65, so that the teeth can stably work, a plurality of fixing plates 63 are fixedly connected to the bottom of the protective box 61, fastening bolts 64 are in threaded connection with the centers of the plurality of fixing plates 63, the fixing plates 63 can be used for fixing the front end of the toothed plate 1 through the plurality of fastening bolts 64, the protective box 61 can be fixed, the clamping grooves 65 corresponding to the fixing rods 62 are formed at the front ends of the outer wall of the teeth 3, when the toothed plate is stuck, the fixing rods 62 can be taken out from the clamping grooves 65 at the front ends of the corresponding teeth 3 only by taking down the protective box 61, and then can be in succession carry out elastic shrinkage through spring 5 with it to nurse, and the rear end of a plurality of dead levers 62 all runs through the front end of the pinion rack 1 outer wall and extends to draw-in groove 65 center, and a plurality of fastening screw 66 that correspond with fastening bolt 64 are seted up to the front end of the pinion rack 1 outer wall, accessible pass a plurality of fastening bolt 64 respectively behind the fixed plate 63 and get into fastening screw 66, accomplish threaded connection to this fixes the protection box 61 in the front end of pinion rack 1, as shown in fig. 5.

When the utility model is used, firstly, the racks can be installed and fixed through the through holes 7 at the bottom of the center of the toothed plate 1, then the racks can be meshed with the gears through the teeth 3 at the top of the toothed plate 1, and if the gears and the teeth 3 are jammed in the work, the fixing of the protective box 61 can be cancelled by screwing the fastening bolts 64 respectively, then the fixing rod 62 in the clamping groove 65 at the front end of the jammed teeth 3 can be taken out, at the moment, the spring 5 and the telescopic rod 4 at the bottom of the corresponding teeth 3 can be contracted, and then the teeth 3 can be driven to be contracted into the sliding groove 2, so that the problem of jamming of the gears and the racks can be solved, then the fixing rod 62 can be continuously inserted into the clamping groove 65 at the front end of the teeth 3 to fix the teeth, then the protective box 61 and the fixing plates 63 at the bottom can be placed at the front end of the toothed plate 1, and through screwing a plurality of fastening bolt 64 respectively to fastening screw 66 after, and then can fix protection box 61 at the front end of pinion rack 1 to this protects it, prevents that dead lever 62 from droing from draw-in groove 65 at the during operation.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a sword mouth type rack, includes pinion rack (1), its characterized in that: a plurality of sliding chutes (2) have evenly been seted up at the top of pinion rack (1), and are a plurality of the center of sliding chute (2) all is provided with tooth (3), and is a plurality of the equal fixedly connected with telescopic link (4) in bottom of tooth (3), it is a plurality of spring (5) have all been cup jointed to the outer wall of telescopic link (4), the front end of pinion rack (1) outer wall is provided with fixed establishment (6).

2. A knife-edge rack as defined in claim 1, wherein: the bottom at the center of the toothed plate (1) is uniformly provided with a plurality of through holes (7).

3. A knife-edge rack as defined in claim 1, wherein: the bottom at the center of the toothed plate (1) is provided with a plurality of limiting grooves (8) corresponding to the telescopic rods (4).

4. A knife-edge rack as defined in claim 1, wherein: the fixing mechanism (6) comprises a protection box (61) arranged at the front end of the outer wall of the toothed plate (1), a plurality of fixing rods (62) corresponding to the teeth (3) are arranged at the center of the protection box (61), a plurality of fixing plates (63) are fixedly connected to the bottom of the protection box (61), and a plurality of fastening bolts (64) are connected to the center of the fixing plates (63) in a threaded mode.

5. The knife-edge rack according to claim 4, wherein: the front ends of the outer walls of the teeth (3) are provided with clamping grooves (65) corresponding to the fixing rods (62).

6. The knife-edge rack according to claim 4, wherein: the rear ends of the fixing rods (62) penetrate through the front end of the outer wall of the toothed plate (1) and extend to the center of the clamping groove (65).

7. The knife-edge rack according to claim 4, wherein: the front end of the outer wall of the toothed plate (1) is provided with a plurality of fastening screw holes (66) corresponding to the fastening bolts (64).