CN213908059U - Line throwing reversing mechanism - Google Patents
Line throwing reversing mechanism Download PDFInfo
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- CN213908059U CN213908059U CN202023172964.4U CN202023172964U CN213908059U CN 213908059 U CN213908059 U CN 213908059U CN 202023172964 U CN202023172964 U CN 202023172964U CN 213908059 U CN213908059 U CN 213908059U
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- spring seat
- pressure spring
- compression spring
- mechanism according
- reversing mechanism
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Abstract
The utility model provides a reversal mechanism of throwing line, this reversal mechanism of throwing line include the compression spring seat, and the compression spring seat matches with the drift bolt and fixes on the bottom plate of external stopper, and the compression spring seat provides along the axial elasticity suppression power of stopper bottom plate, and the compression spring seat includes the U type body of compriseing the spring steel sheet metal, includes at the both sides wall of U type body: terminal surface and up end down, the terminal surface has the axle matched with via hole with the through-nail down, and the up end has the tip matched with slotted hole with the through-nail, and wherein, the pressure spring seat of pressure spring seat for adopting the POM material, frictional resistance is littleer, thereby can improve the utility model discloses the work efficiency of well pressure spring seat adopts independent POM pressure spring seat, and the pressure spring seat has the fulcrum to cut can rotate in a flexible way, and it is lighter and quicker to reverse, thereby makes the utility model discloses the structure is simpler, and work precision is higher, and processing technology is simple, easily processing and manufacturing.
Description
Technical Field
The utility model relates to a technical field of reversal mechanism especially relates to a line throwing reversal mechanism.
Background
The drum brake generally has two brake shoes, and the return spring is used for tensioning between two shoes, and the pressure spring etc. is used to make the shoe muscle and the brake bottom plate form the packing force between the vertical direction simultaneously, prevents the shoe skew in the brake, influences the shoe normal use.
According to the technical scheme, a through nail, a pressure spring and a pressure spring seat are connected between a drum brake tendon and a brake bottom plate, the through nail penetrates through a through hole of the brake bottom plate and the tendon, the pressure spring is sleeved on the through nail and pressed on the tendon, the pressure spring is pressed by the pressure spring seat, and after the pressure spring is pressed to enable the head of the through nail to be leaked out of the pressure spring seat, the pressure spring seat is rotated to enable the head of the through nail to be sleeved in a groove of the pressure spring seat to form fixation.
However, the existing pressure spring suit is composed of a through nail, a pressure spring and a pressure spring seat, and has three parts, and the parts are more, so that the pressure spring and the pressure spring seat need to be pressed and rotated simultaneously during assembly, and the pressure spring can be fixed generally by using a special tool. The existing compression spring seat is special in structure of a through hole and a groove matched with the through nail, uneven in material thickness, complex in processing technology and not beneficial to processing.
Therefore, it is urgently necessary to redesign a new reversing mechanism to solve the above problems.
Disclosure of Invention
The utility model provides a line throwing reversal mechanism to solve the technical problem who proposes among the above-mentioned background art.
The utility model provides a reversal mechanism of throwing line, this reversal mechanism of throwing line include the compression spring seat, and the compression spring seat matches with the drift bolt and fixes on the bottom plate of external stopper, and the compression spring seat provides along the axial elasticity suppression power of stopper bottom plate, and the compression spring seat includes the U type body of compriseing the spring steel sheet metal, includes at the both sides wall of U type body: the lower end face is provided with a through hole matched with the shaft of the through nail, and the upper end face is provided with a slotted hole matched with the end part of the through nail.
In order to reduce the frictional resistance of the spring seat, as an optimal structure of the line throwing reversing mechanism of the present invention, the compression spring seat is made of PIM material, so that the frictional resistance received by the compression spring seat is smaller.
In order to increase the cooperativity of the upper end face and the lower end face, as the utility model discloses a preferred of a throwing line reversal mechanism, fixedly connected with connecting piece on the upper end face of pressure spring seat and the lower end face of pressure spring seat, the connecting piece is soft materials constitution, and the connecting piece is the stand-alone type structure of arc form.
In order to improve the work efficiency of pressure spring seat, as the utility model discloses a throw line reversal mechanism preferred, rotate on the pressure spring seat lateral wall and be connected with the fulcrum and cut, the fulcrum is cut and is rotated in order to improve the work efficiency of pressure spring seat on the pressure spring seat.
In order to improve the impact resistance of the fulcrum cutter, the fulcrum cutter is preferably connected with the pressure spring seat through a first limiting spring.
In order to increase the stability of spring holder, as the utility model discloses a throwing line reversal mechanism is preferred, seted up the supporting part between up end and the lower terminal surface, via hole and slotted hole setting are on the supporting part.
In order to increase the cooperation ability that the fulcrum was cut, as the utility model discloses a cast line reversal mechanism is preferred, both sides are cut to the fulcrum respectively fixedly connected with connecting portion and spacing portion, and connecting portion and spacing portion fixed connection are respectively in the both sides that the fulcrum was cut, and the opposite orientation of connecting portion and spacing portion.
In order to increase the integrity of the through-nail and the slotted hole, the wire throwing reversing mechanism of the utility model is preferably provided with a groove, and the end part of the through-nail is vertical to the slotted hole and is propped against the bottom of the groove.
In order to improve the performance of up end and lower terminal surface, as the utility model discloses a preferred of line reversal mechanism, the relative lower terminal surface of up end has the angle of outside slope.
In order to increase the working strength of the brake, it is preferable that the lower end surface of the line throwing reversing mechanism of the present invention is disposed opposite to the bottom plate of the brake.
The utility model has the advantages as follows:
(1) this line throwing reversal mechanism includes the compression spring seat, and the compression spring seat matches and fixes on the bottom plate of external stopper with the drift bolt, and the compression spring seat provides along the axial elasticity suppression power of stopper bottom plate, and the compression spring seat includes the U type body of constituteing by the spring steel sheet metal, includes at the both sides wall of U type body: terminal surface and up end down, the terminal surface has the axle matched with via hole with the through-nail down, and the up end has the tip matched with slotted hole with the through-nail, and wherein, the pressure spring seat of pressure spring seat for adopting the POM material, frictional resistance is littleer, thereby can improve the utility model discloses well pressure spring seat's work efficiency.
(2) Adopt independent POM pressure spring seat, pressure spring seat has the fulcrum to cut can rotate in a flexible way, and it is lighter and quicker to reverse, thereby makes the utility model discloses the structure is simpler, and work precision is higher, and processing technology is simple, easily processing and manufacturing.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a throwing line reversing mechanism provided by the present invention;
fig. 2 is a schematic structural view of a first embodiment of a throwing line reversing mechanism provided by the present invention;
fig. 3 is a schematic structural view of a second embodiment of a parabola reversing mechanism provided by the present invention;
fig. 4 is a schematic structural view of a third embodiment of a parabola reversing mechanism provided by the present invention.
The symbols in the figures indicate:
100. a pressure spring seat; 110. nailing; 200. a U-shaped body; 300. an upper end surface; 310. a via hole; 400. a lower end face; 410. a slot; 500. a support portion; 600. a connecting member; 700. cutting a fulcrum; 710. a connecting portion; 720. a limiting part.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Referring to fig. 1 to 4, fig. 1 is a schematic structural view of a throwing line reversing mechanism according to the present invention; fig. 2 is a schematic structural view of a first embodiment of a throwing line reversing mechanism provided by the present invention; fig. 3 is a schematic structural view of a second embodiment of a parabola reversing mechanism provided by the present invention; fig. 4 is a schematic structural view of a third embodiment of a parabola reversing mechanism provided by the present invention.
The drum brake generally has two brake shoes, and the return spring is used for tensioning between two shoes, and the pressure spring etc. is used to make the shoe muscle and the brake bottom plate form the packing force between the vertical direction simultaneously, prevents the shoe skew in the brake, influences the shoe normal use.
According to the technical scheme, a through nail 110, a pressure spring and a pressure spring seat 100 are connected between a drum brake shoe rib and a brake base plate, the through nail 110 penetrates through a through hole of the brake base plate and the shoe rib, the pressure spring is sleeved on the through nail 110 and pressed on the shoe rib, the pressure spring is pressed by the pressure spring seat 100, and after the pressure spring is pressed to enable the head of the through nail 110 to be leaked out of the pressure spring seat 100, the pressure spring seat 100 is rotated to enable the head of the through nail 110 to be sleeved in a groove of the pressure spring seat 100 to form fixation.
However, the existing pressure spring set consists of a through nail 110, a pressure spring and a pressure spring seat 100, and has three parts, wherein the three parts are more, during assembly, the pressure spring and the pressure spring seat 100 need to be pressed and rotated at the same time, and a perforation and a groove structure matched with the through nail 110 on the existing pressure spring seat 100 are special, uneven in material thickness, complex in processing technology and not beneficial to processing.
Therefore, the present invention provides a throwing line reversing mechanism to solve the above problems.
The utility model discloses a cast wire reversal mechanism includes pressure spring seat 100, and pressure spring seat 100 matches with drift 110 and fixes on the bottom plate of external stopper, and pressure spring seat 100 provides along the axial elasticity suppression power of stopper bottom plate, and pressure spring seat 100 includes the U type body 200 of constituteing by the spring steel sheet metal, includes at the both sides wall of U type body 200: a lower end surface 400 and an upper end surface 300, the lower end surface 400 having a through hole 310 matching with the shaft of the through nail 110, the upper end surface 300 having a slot hole 410 matching with the end of the through nail 110.
In the present embodiment, the compression spring seat 100 is made of PIM material, so that the friction resistance of the compression spring seat 100 is smaller.
The upper end surface of the pressure spring seat 100 and the lower end surface 400 of the pressure spring seat 100 are fixedly connected with a connecting piece 600, the connecting piece 600 is made of soft materials, and the connecting piece 600 is of an arc independent structure so as to increase the cooperativity of the upper end surface 300 and the lower end surface 400.
In this embodiment, a fulcrum cutter 700 is rotatably connected to a side wall of the pressure spring seat 100, the fulcrum cutter 700 rotates on the pressure spring seat 100 to improve the working efficiency of the pressure spring seat 100, and the fulcrum cutter 700 is connected to the pressure spring seat 100 through a first limiting spring to improve the working efficiency of the pressure spring seat 100.
As a more preferred embodiment of the present invention, a supporting portion 500 is disposed between the upper end surface 300 and the lower end surface 400, the through hole 310 and the slot 410 are disposed on the supporting portion 500 to increase the stability of the spring seat 100, a connecting portion 710 and a limiting portion 720 are respectively fixedly connected to two sides of the fulcrum cut 700, the connecting portion 710 and the limiting portion 720 are respectively fixedly connected to two sides of the fulcrum cut 700, and the directions of the connecting portion 710 and the limiting portion 720 are opposite to each other to increase the matching capability of the fulcrum cut 700.
In this embodiment, the end of the through-nail 110 is perpendicular to the slot 410 and abuts against the bottom of the groove, the upper end face 300 has an outward-inclined angle relative to the lower end face 400, so as to improve the usability of the upper end face 300 and the lower end face 400, and the lower end face 400 is arranged opposite to the bottom plate of the brake, so as to increase the working strength of the brake.
And simultaneously, the utility model discloses a theory of operation as follows:
the utility model provides a throwing line reversal mechanism includes pressure spring seat 100, and pressure spring seat 100 cooperates with drift 110 and fixes on the bottom plate of external stopper, and pressure spring seat 100 provides the elasticity suppression power along the stopper bottom plate axial, and pressure spring seat 100 includes the U type body of constituteing by the spring steel sheet metal, includes at the both sides wall of U type body: terminal surface 400 and up end 300 down, down terminal surface 400 have with the axle complex via hole 310 of drift bolt 110, up end 300 have with drift bolt 110's tip matched with slotted hole 410, pressure spring seat 100 has the fulcrum to cut can rotate in a flexible way, and the reversal is lighter and quicker, thereby makes the utility model discloses the structure is simpler, and work accuracy is higher, and processing technology is simple, easily processing and manufacturing.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely 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 thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a line throwing reversal mechanism, its characterized in that includes the compression spring seat, the compression spring seat matches with the drift pin and fixes on the bottom plate of external stopper, just the compression spring seat provides and follows the axial elasticity suppression power of stopper bottom plate, the compression spring seat includes the U type body of constituteing by the spring steel sheet the both sides wall of U type body includes: the lower end face is provided with a through hole matched with the shaft of the through nail, and the upper end face is provided with a groove hole matched with the end part of the through nail.
2. The cast wire reversing mechanism according to claim 1, wherein the compression spring seat is made of PIM material so that the compression spring seat is subjected to smaller frictional resistance.
3. The cast line reversing mechanism according to claim 1, wherein a connecting piece is fixedly connected to the upper end surface of the pressure spring seat and the lower end surface of the pressure spring seat, the connecting piece is made of a soft material, and the connecting piece is of an arc-shaped free-standing structure.
4. The cast wire reversing mechanism according to claim 1, wherein a fulcrum cutter is rotatably connected to the side wall of the pressure spring seat, and the fulcrum cutter rotates on the pressure spring seat to improve the working efficiency of the pressure spring seat.
5. The cast wire reversing mechanism according to claim 4, wherein the fulcrum cutter is connected with the pressure spring seat through a first limiting spring.
6. The cast line reversing mechanism according to claim 1, wherein a supporting portion is provided between the upper end surface and the lower end surface, and the through hole and the slot are provided on the supporting portion.
7. The cast wire reversing mechanism according to claim 4, wherein a connecting portion and a limiting portion are fixedly connected to two sides of the fulcrum cut, respectively, the connecting portion and the limiting portion are fixedly connected to two sides of the fulcrum cut, respectively, and the connecting portion and the limiting portion are oppositely oriented.
8. The cast wire reversal mechanism according to claim 1, further comprising a groove, wherein the end of the through-pin is perpendicular to the slot and abuts against the bottom of the groove.
9. A parabola reversal mechanism according to claim 1 wherein said upper end face is angled outwardly relative to said lower end face.
10. A parabola reversal mechanism according to claim 1, wherein said lower end face is disposed opposite to a base plate of said stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023172964.4U CN213908059U (en) | 2020-12-24 | 2020-12-24 | Line throwing reversing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023172964.4U CN213908059U (en) | 2020-12-24 | 2020-12-24 | Line throwing reversing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213908059U true CN213908059U (en) | 2021-08-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023172964.4U Active CN213908059U (en) | 2020-12-24 | 2020-12-24 | Line throwing reversing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213908059U (en) |
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2020
- 2020-12-24 CN CN202023172964.4U patent/CN213908059U/en active Active
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