CN201807964U

CN201807964U - Improved eccentric shaft structure of grinder

Info

Publication number: CN201807964U
Application number: CN2010205237557U
Authority: CN
Inventors: 李荣彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-09-09
Filing date: 2010-09-09
Publication date: 2011-04-27
Anticipated expiration: 2020-09-09

Abstract

The utility model provides an improved eccentric shaft structure of a grinder. The eccentric shaft comprises a block and a rotating shaft, wherein a counterweight is arranged at the bottom of the block; a rotating shaft base is arranged above the counterweight; a groove is formed above the rotating shaft base; a hole is formed in the groove; a shaft column is arranged above the rotating shaft; a base is arranged below the rotating shaft; a lug is arranged below the base; therefore, the base of the rotating shaft can be assembled in the groove of the rotating shaft base and the lug of the rotating shaft can be assembled in the hole to assemble the block and the rotating shaft into a whole. When the block or the rotating shaft is damaged in use, a user can quickly exchange the block or the rotating shaft for instant use without exchanging the whole set of eccentric shaft, so that material cost and time cost are reduced.

Description

The eccentric shaft structure of improved grinder

Technical field

The utility model relates to a kind of eccentric shaft structure of improved grinder, this eccentric shaft is formed by a block and the winding of rotating shaft institute, except that this block and this rotating shaft can be made processing respectively to save the material cost by factory, when this block or this rotating shaft are damaged in use, the user can change this block or this rotating shaft fast, and one of them just can use immediately, allow the user can change the eccentric shaft of whole group, reduced expending on material cost and the time cost.

Background technology

See also Fig. 1 and Fig. 2, it is the eccentric shaft structure of known grinder, as shown in Figures 1 and 2, and the structure that this eccentric shaft 40 is formed in one, and be arranged between this grinder body 20 and the grinding disk body 30, and there is following disappearance in eccentric shaft 40 structures of this known grinder:

1, the structure that is formed in one of this eccentric shaft 40, the program complexity that it shapes, suitable consume material cost in the processing and manufacturing process.

2, between the block 41 of this eccentric shaft 40 and the rotating shaft 42 under the long-term use of Chang Yinwei, be subjected to behind the external powerful stress and the situation of rotating shaft 42 fracture damage takes place easily, the user whole eccentric shaft 40 must be changed, therefore increase expending on the user cost.

So the design people is because the shortcoming of the eccentric shaft structure of aforementioned known grinder, be manufacturing experience and the technology accumulation of being engaged in various mechanical mechanisms and device product according to it, method at the various solutions of the concentrated research of above-mentioned disappearance, after through constantly research, experiment and improvement, finally development and Design goes out the eccentric shaft structure of a kind of improved grinder of the present utility model, in the hope of the disappearance that known technology produced of forgoing, allow the user need only change the accessory of damage, reduced expending on the user cost.

The utility model content

The purpose of this utility model is the eccentric shaft structure that is to provide a kind of improved grinder, can allow the user can change one of them back of this block or this rotating shaft fast and just can use immediately, has reduced expending on material cost and the time cost.

For reaching aforementioned purpose, the utility model proposes a kind of eccentric shaft structure of improved grinder, this eccentric shaft includes a block and a rotating shaft, wherein: the bottom of this block has a balancing weight, the top of this balancing weight is provided with a shaft seat, this shaft seat top then is provided with a groove, then be provided with a hole in this groove, this rotating shaft top is provided with a jack-post, and this rotating shaft below is provided with a base, then is provided with a projection in this base below, whereby, the base of this rotating shaft can be connected in the groove of this shaft seat, and the projection of this rotating shaft then can be connected in this hole, allows this block and this rotating shaft winding be one.

The eccentric shaft structure of aforesaid improved grinder, wherein, this block and this rotating shaft can be one by hard solder, brazing, rivet clasp or thread locking winding.

The eccentric shaft structure of aforesaid improved grinder, wherein, this base and projection are provided with pin thread, and the negative thread that corresponds to this pin thread is then arranged in this groove and the hole.

The eccentric shaft structure of aforesaid improved grinder, wherein, the structure that this block is formed in one and casts.

The eccentric shaft structure of aforesaid improved grinder, wherein, the structure that this rotating shaft is formed in one and casts.

In the utility model, this eccentric shaft is formed by a block and the winding of rotating shaft institute, except that this block and this rotating shaft can be made processing respectively to save the material cost by factory, when this block or this rotating shaft are damaged in use, because being the mode winding of thread locking, block and rotating shaft become one, therefore, the user can change this block or this rotating shaft fast, and one of them just can use immediately, allow the user can change the eccentric shaft of whole group, reduced expending on material cost and the time cost.In addition, block of the present utility model and rotating shaft can become one with wherein a kind of mode winding of hard solder, brazing, rivet clasp and thread locking, can effectively improve the intensity of eccentric shaft structure.

Description of drawings

Fig. 1 is the user mode figure of known technology.

Fig. 2 is the stereogram of known technology.

Fig. 3 is three-dimensional decomposing state figure of the present utility model.

Fig. 4 is three-dimensional winding state diagram of the present utility model.

Fig. 5 is the three-dimensional decomposing state figure of another preferred embodiment of the present utility model.

The main element label declaration:

10 eccentric shafts

11 blocks

111 balancing weights, 112 shaft seats

1121 grooves, 1122 holes

12 rotating shafts

121 jack-posts, 122 bases

123 projections

20 grinder bodies

30 grind disk body

The a pin thread

The b negative thread

The specific embodiment

Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast the description of drawings specific embodiment of the present utility model:

See also Fig. 3 and Fig. 4, Fig. 3 is three-dimensional decomposing state figure of the present utility model, Fig. 4 is three-dimensional winding state diagram of the present utility model, as shown in Figure 3: the eccentric shaft structure of the improved grinder that the utility model proposes, this eccentric shaft 10 includes a block 11 and a rotating shaft 12, and this block 11 of the present utility model and this rotating shaft 12 are respectively the structure of one-body molded casting, the bottom of this block 11 has a balancing weight 111, and be provided with a shaft seat 112 in the top of this balancing weight 111, this shaft seat 112 sides then are provided with a groove 1121, then be provided with a hole 1122 in the center of this groove 1121, these rotating shaft 12 tops are provided with a jack-post 121, these rotating shaft 12 belows are provided with a base 122, then be provided with a projection 123 in these base 122 belows, whereby, the base 122 of this rotating shaft 12 can be connected in the groove 1121 of this shaft seat 112, and, the projection 123 of this rotating shaft 12 can place the hole 1122 in this groove 1121, but to allow this block 11 and this rotating shaft 12 windings become one, and this block 11 and this rotating shaft 12 winding modes can be hard solder, brazing, rivet clasp wherein a kind of.

See also Fig. 5 again, Fig. 5 is the three-dimensional decomposing state figure of another preferred embodiment of the present utility model, as shown in Figure 5, this base 122 and projection 123 are provided with pin thread a, the one negative thread b that corresponds to this pin thread a is then arranged, to allow this block 11 and this rotating shaft 12 can use the mode winding of thread locking to become one in this groove 1121 and the hole 1122.When this block 11 or this rotating shaft 12 were damaged in use, the user can change this block 11 fast or this rotating shaft 12 just can be used immediately.

Described before combining, truly feasible by the design of the eccentric shaft structure of a kind of improved grinder that the utility model proposes as can be known, and the various disappearances of known technology have been improved, allowing the user need only change one of them member of this block 11 of damage or this rotating shaft 12 gets final product, greatly reduce expending on user's material cost, and this block 11 and this rotating shaft 12 can be used hard solder, brazing, wherein a kind of mode winding of rivet clasp and thread locking becomes one, after this block 11 and this rotating shaft 12 windings are finished, it is strong that it can accept on the external stress intensity also more known eccentric shaft structure, therefore comparatively durable on the eccentric shaft structure after the improvement that the utility model proposes.

The above only is the schematic specific embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.

Claims

1. the eccentric shaft structure of an improved grinder, described eccentric shaft includes a block and a rotating shaft, it is characterized in that: the bottom of described block has a balancing weight, the top of described balancing weight is provided with a shaft seat, described shaft seat top then is provided with a groove, then be provided with a hole in the described groove, described rotating shaft top is provided with a jack-post, described rotating shaft below is provided with a base, then be provided with a projection in described base below, the base of described rotating shaft can be connected in the groove of described shaft seat, and the projection of described rotating shaft then can be connected in the described hole, and described block and described rotating shaft can winding be one.

2. the eccentric shaft structure of improved grinder as claimed in claim 1 is characterized in that, described block and described rotating shaft can be one by hard solder, brazing, rivet clasp or thread locking winding.

3. the eccentric shaft structure of improved grinder as claimed in claim 1 is characterized in that, described base and projection are provided with pin thread, and the negative thread that corresponds to described pin thread is then arranged in described groove and the hole.

4. the eccentric shaft structure of improved grinder as claimed in claim 1 is characterized in that, the structure that described block is formed in one and casts.

5. the eccentric shaft structure of improved grinder as claimed in claim 1 is characterized in that, the structure that described rotating shaft is formed in one and casts.