CN216666923U

CN216666923U - Flywheel casing convenient to location

Info

Publication number: CN216666923U
Application number: CN202123120586.XU
Authority: CN
Inventors: 张志军; 丁伟; 刘杰
Original assignee: Hubei Jinlin Machinery Manufacturing Co ltd
Current assignee: Hubei Jinlin Machinery Manufacturing Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-06-03
Anticipated expiration: 2031-12-13

Abstract

The utility model provides a flywheel shell convenient for positioning, which relates to the technical field of flywheel shells and comprises a shell, wherein a shaft hole is formed in the shell, a moving mechanism and an annular clamping groove are arranged on the shell, a rack is arranged at the movable end of the moving mechanism, a chuck is rotationally clamped on the inner wall of the annular clamping groove, one side of the chuck is fixedly connected with an annular gear meshed with the rack, and the purpose that the rack moves and drives the annular gear to rotate through the meshing of the rack and the annular gear, the annular gear rotates and drives an ejector block to rotate and push the positioning strip to move along the sliding seat through the matching of the shell, the shaft hole, the moving mechanism, the rack, the annular clamping groove, the chuck, the annular gear, the ejector block, the sliding seat, the positioning strip and the elastic piece is arranged on the shell, so that the positioning strip can clamp and fix a positioning shaft and can be coaxially positioned with the positioning shaft, effectively prevent the skew of bell housing emergence, improve the simple to operate nature.

Description

Flywheel casing convenient to location

Technical Field

The utility model relates to the technical field of flywheel shells, in particular to a flywheel shell convenient to position.

Background

The main function of the flywheel casing is to realize the effective connection between the engine and the transmission, and through the change of the flywheel casing, engines of the same type can be carried differently. The existing flywheel shell is made of metal materials, the metal density is high, the mass of the flywheel shell is large, coaxial positioning is not easily carried out on the flywheel shell and the positioning shaft during installation, the condition that the flywheel shell deviates is easily caused, and the difficulty in installation is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flywheel shell convenient to position, and aims to solve the problems that when the flywheel shell in the prior art is installed, the flywheel shell and a positioning shaft are not easy to coaxially position, the flywheel shell is easy to deviate, and the difficulty in installation is increased.

In order to achieve the purpose, the utility model adopts the following technical scheme: flywheel housing convenient to location, which comprises a housin, the shaft hole has been seted up on the casing, be provided with moving mechanism and ring groove on the casing, moving mechanism's expansion end is provided with the rack, ring groove's inner wall rotates the joint and has the dop, one side fixedly connected with and rack toothing's ring gear of dop, ring gear and the coaxial setting in shaft hole, be provided with at least three kicking block on the ring gear, at least three the circumferencial direction evenly distributed in shaft hole is followed respectively to the kicking block, fixedly connected with slide on the casing, the inner wall single degree of freedom sliding connection of slide has the location strip that corresponds with the kicking block, fixedly connected with elastic component on the location strip, the elastic component is kept away from the one end and the slide fixed connection of location strip, the kicking block can push up the removal of location strip when ring gear rotates.

In order to enable the rack-type electric bicycle to have the function of driving the rack to move, the further technical scheme is that the moving mechanism comprises a rotating shaft which is rotationally clamped with the shell, a threaded section is arranged on the outer surface of the rotating shaft, a sliding strip fixedly connected with the rack is in threaded connection with the outer surface of the threaded section, the sliding strip is in sliding clamping connection with the shell, a straight clamping groove matched with the sliding strip is formed in the shell, and a handle is fixedly connected to one end of the rotating shaft.

In order to improve the movement stability of the rack, the rack further adopts the technical scheme that the straight clamping groove is T-shaped, and the sliding strip is T-shaped and matched with the straight clamping groove.

In order to improve the movement stability of the chuck, the further technical scheme of the utility model is that the cross sections of the annular clamping groove and the chuck are in T shapes which are mutually matched.

In order to improve the positioning effect of the positioning strips on the positioning shaft, the utility model has the further technical scheme that the number of the top blocks is four.

In order to enable the positioning strip to have the effect of fitting and matching the positioning strip to the cambered surface of the positioning shaft, the further technical scheme is that the end surface of the positioning strip, which is close to the shaft hole, is a concave cambered surface.

In order to reduce the contact area between the positioning strip and the ejector block, the utility model adopts the further technical scheme that the end surface of the positioning strip close to the ejector block is a convex cambered surface.

In order to enable the elastic piece to have the effect of being convenient to install, the elastic piece is a tension spring.

The utility model has the beneficial effects that: through setting up the casing, the shaft hole, moving mechanism, the rack, ring groove, the dop, ring gear, the kicking block, the slide, the cooperation of location strip and elastic component, realized that moving mechanism drives the rack and removed, the rack removes and drives ring gear through its meshing with ring gear and rotates, ring gear rotates and drives the kicking block and rotates the purpose of top moving location strip along removing in the slide, thereby it presss from both sides tightly fixed with the location axle to make the location strip, carry out coaxial positioning to casing and location axle, prevent effectively that the skew from taking place for the bell housing, improve the simple to operate nature.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a housing according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a slider and a positioning bar according to an embodiment of the present invention.

Figure 4 is a cross-sectional view of a cartridge and ring gear and top block of a particular embodiment of the present invention.

In the figure: 1-shell, 101-shaft hole, 102-annular clamping groove, 103-straight clamping groove, 2-rack, 3-clamping head, 4-annular gear, 5-top block, 6-sliding seat, 7-positioning strip, 8-elastic piece, 9-rotating shaft and 10-sliding strip.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1-4, a flywheel housing convenient for positioning comprises a housing 1, wherein a shaft hole 101 is formed in the housing 1, a positioning shaft can be inserted into the shaft hole 101, the flywheel housing is convenient to be matched with the positioning shaft, a moving mechanism and a ring-shaped clamping groove 102 are arranged on the housing 1, a rack 2 is arranged at the movable end of the moving mechanism, a clamping head 3 is rotatably clamped on the inner wall of the ring-shaped clamping groove 102, a ring-shaped gear 4 meshed with the rack 2 is fixedly connected to one side of the clamping head 3, the ring-shaped gear 4 is coaxially arranged with the shaft hole 101, at least three jacking blocks 5 are arranged on the ring-shaped gear 4, the at least three jacking blocks 5 are respectively and uniformly distributed along the circumferential direction of the shaft hole 101, a sliding seat 6 is fixedly connected to the housing 1, a positioning bar 7 corresponding to the jacking blocks 5 is slidably connected to the inner wall of the sliding seat 6 in a single degree of freedom, an elastic member 8 is fixedly connected to the positioning bar 7, and the elastic member 8 can drive the positioning bar 7 to reset, make location strip 7 keep away from the location axle, the one end and the 6 fixed connection of slide of location strip 7 are kept away from to elastic component 8, kicking block 5 can push up when ring gear 4 rotates and move location strip 7 and remove, the removal mechanism drives rack 2 and removes, rack 2 removes and drives ring gear 4 through its meshing with ring gear 4 and rotates, ring gear 4 rotates and drives kicking block 5 and rotate and push up and move the purpose that location strip 7 removed along slide 6, thereby make location strip 7 press from both sides the fastening with the location axle and fix a position the axle and carry out coaxial positioning to casing 1 and location axle.

During the use, penetrate shaft hole 101 with the location axle, control moving mechanism drives rack 2 and removes, and rack 2 removes and drives ring gear 4 through its meshing with ring gear 4 and rotates, and ring gear 4 rotates and drives kicking block 5 and rotate and push up and move at least three location strip 7 along the slide 6 removal to make at least three location strip 7 press from both sides the tight fixed with the location axle, carry out coaxial positioning to casing 1 and location axle.

Concretely, moving mechanism includes the pivot 9 with 1 rotation joint of casing, the surface of pivot 9 is provided with the screw thread section, the screw thread section threaded connection that pivot 9 set up through its surface has the draw runner 10 with 2 fixed connection of rack, draw runner 10 and 1 slip joint of casing, casing 1 is last to be seted up with the straight draw-in groove 103 of draw runner 10 assorted, the one end fixedly connected with handle of pivot 9, the twist grip can drive pivot 9 and rotate, pivot 9 rotates and drives the draw runner 10 through the screw thread section and the meshing of draw runner 10 and remove, draw runner 10 removes and realizes driving 2 moving effects of rack.

Specifically, the straight clamping groove 103 is T-shaped, the slide bar 10 is T-shaped and matched with the straight clamping groove 103, and the slide bar 10 slides in the straight clamping groove 103 to improve the moving stability of the rack 2.

Specifically, the cross sections of the ring-shaped clamping groove 102 and the clamping head 3 are in the shape of T which are matched with each other, and the clamping head 3 can slide in the ring-shaped clamping groove 102 to improve the moving stability of the clamping head 3.

Specifically, the number of the ejector blocks 5 is four, the ejector blocks 5 eject the positioning strips 7 from four directions to clamp the positioning shaft, and the positioning effect of the positioning strips 7 on the positioning shaft can be improved.

Specifically, the end face of the positioning strip 7 close to the shaft hole 101 is a concave arc face, the concave arc face enables the positioning strip 7 to be matched with the positioning shaft arc face in a fitting mode, and the positioning strip 7 is improved in positioning shaft clamping and positioning effects.

Specifically, the end face of the positioning strip 7 close to the ejector block 5 is a convex arc face, and the contact fit of the positioning strip 7 and the ejector block 5 can reduce the contact area of the positioning strip 7 and the ejector block 5.

Specifically, the elastic part 8 is a tension spring which is convenient to install and install.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The flywheel casing convenient to locate is characterized by comprising a casing (1), wherein a shaft hole (101) is formed in the casing (1), a moving mechanism and an annular clamping groove (102) are arranged on the casing (1), a rack (2) is arranged at the movable end of the moving mechanism, a clamping head (3) is rotationally clamped on the inner wall of the annular clamping groove (102), one side of the clamping head (3) is fixedly connected with an annular gear (4) meshed with the rack (2), the annular gear (4) and the shaft hole (101) are coaxially arranged, at least three jacking blocks (5) are arranged on the annular gear (4), the at least three jacking blocks (5) are uniformly distributed along the circumferential direction of the shaft hole (101) respectively, a sliding seat (6) is fixedly connected on the casing (1), and a locating strip (7) corresponding to the jacking blocks (5) is slidably connected to the inner wall of the sliding seat (6) in a single degree of freedom, fixedly connected with elastic component (8) on location strip (7), the one end and slide (6) fixed connection of location strip (7) are kept away from in elastic component (8), ejector pad (5) can push up when ring gear (4) rotate and move location strip (7).

2. The flywheel housing convenient to locate according to claim 1, wherein the moving mechanism comprises a rotating shaft (9) rotatably connected with the housing (1) in a clamped manner, a threaded section is arranged on the outer surface of the rotating shaft (9), the rotating shaft (9) is connected with a sliding strip (10) fixedly connected with the rack (2) through the threaded section arranged on the outer surface of the rotating shaft in a threaded manner, the sliding strip (10) is slidably connected with the housing (1) in a clamped manner, a straight clamping groove (103) matched with the sliding strip (10) is formed in the housing (1), and a handle is fixedly connected with one end of the rotating shaft (9).

3. The easy-to-position flywheel casing according to claim 2, characterized in that the straight clamping groove (103) is T-shaped, and the slide bar (10) is T-shaped to match with the straight clamping groove (103).

4. The flywheel housing convenient for positioning as claimed in claim 1, wherein the cross section of the annular clamping groove (102) and the clamping head (3) is in a mutually matched T shape.

5. The easy-to-position flywheel housing according to claim 1, characterized in that the number of the top blocks (5) is four.

6. The flywheel housing convenient for positioning as claimed in claim 1, wherein the end surface of the positioning strip (7) close to the shaft hole (101) is a concave arc surface.

7. The flywheel housing convenient for positioning as claimed in any one of claims 1 to 6, wherein the end surface of the positioning strip (7) close to the top block (5) is a convex arc surface.

8. The easy-to-position flywheel housing according to any of claims 1-6, characterized in that the elastic member (8) is a tension spring.