TWI579531B - Level - Google Patents

Description

Level

The present invention is a level, and more particularly to a level that can be easily assembled.

Referring to the improved structure of the level base of the Chinese Patent No. M281167, which is composed of a rectangular box, a base, a test column, two protective covers and two joint members; wherein the rectangular box is a hollow shape The box body has a circular through hole formed on both sides thereof, and a top holding wall is arranged on the inner side of the circular through hole; the center of the base has a circular shape which is the same as the shape of the circular through hole of the rectangular box a hole, the inner edge of the circular through hole is provided with a plurality of angled bolt slots, and the test column is provided with a plurality of angles of the assembly manner; the test column is a cylinder, and the side edges thereof are arcuate faces; the two protective covers The utility model relates to a transparent cover body with a predetermined shape, wherein each of the two sides has a semi-circular arc opening, so as to be pressed against the arc surface of the test column by the opening of the semi-circular arc; the two coupling members are in a predetermined shape. The hollow block has a through hole in the shape of the protective sleeve, and the flange of the outer through hole of the joint is provided with a flange, and the opposite ends of the inner through hole of the joint are respectively provided a predetermined shape opening is introduced into the circular shape along the outer side wall surface of the spacer of the fixed horizontal pipe Finally, in the through hole, at the appropriate position of the edge of the joint member, a plurality of carding blocks each having a plurality of inclined angles are arranged, so that the protective cover can be fitted into the through hole of the joint member and abut against the flange. The combination method pushes the base from one end of the rectangular box, the elastic member of the base can be pressed against the rectangular box and is pressed and fixed, and then the test column is loaded from the circular through hole of the rectangular box. In the circular through hole of the base, the two protective covers and the joint member are respectively sleeved together, and finally, the joint member of the cover protective sleeve is externally inserted into the circular through hole from both sides of the rectangular box. And the two joint members and the base are combined to operate, and the plurality of card blocks are disposed at appropriate positions on the edges of the two joint members, and the top walls of the circular through holes of the rectangular box are respectively inserted inwardly. Whereas, the rectangular box, the base, the protective cover and the joint are integrated into one body. It can be seen from the above that the parts of the level are numerous and complicated in structure, and the assembly steps of the level are numerous, and the assembler needs to spend a lot of time assembling the level.

In view of the above problems of the prior art, which cannot be effectively solved and overcome, the present applicant has filed this patent application to solve the aforementioned problems.

The problem to be solved by the present invention is that the structure of the level is complicated and the level assembly steps are numerous, and the assembler needs to spend a lot of time assembling the level.

The level of the present invention includes: a body comprising at least one receiving through hole, the at least one receiving through hole extending through opposite sides of the body; at least one fixing group received in the at least one receiving through hole of the body and including a receiving member, a cover member and a viewing window, the receiving member and the cover member respectively extend from the opposite sides of the body into the receiving through hole and are connected to each other, and the receiving member extends into the receiving through hole to have a first Extending the length, the cover member extends into the receiving through hole and has a second extending length, the first extending length is greater than the second extending length, and the receiving member and the cover member respectively abut the opposite body The side of the receiving member is opposite to the cover member, the receiving member includes two positioning recesses respectively located at opposite ends of the receiving member and communicating with the viewing window, and the two positioning recesses are located at the opposite sides of the receiving member The inside of the perforation is received; at least one bubble tube is received in the two positioning recesses and passes through the observation window, and the cover member abuts against the bubble tube to prevent the bubble tube from being detached from the receiving member.

When the assembler assembles the level, first, the bubble tube is placed on the receiving member, and the two positioning recesses respectively accommodate the bubble tube. Then, the receiving member is placed in the receiving through hole of the body, and the bubble tube is located in the receiving through hole. Finally, the cover member is placed in the receiving through hole of the body and connected to the receiving member, the cover member abuts the bubble tube and fixes the bubble tube in the receiving member, and the receiving member and the cover member respectively abut The opposite sides of the body are arranged such that the fixing group is fixed to the receiving hole of the body. The level of the present invention is simple in construction and requires only three steps to assemble the level. In addition, the first protruding length is greater than the second extending length, so that the bubble tube is completely accommodated in the two positioning recesses, and the bubble tube can be easily assembled without being detached from the receiving member during assembly. Level.

Other objects, advantages and novel features of the invention will become apparent from the description and appended claims.

The technology, means and functions of the present invention are described in detail with reference to the accompanying drawings.

Refer to Figures 1 to 4. The level of the present invention includes a body 10, at least one fixed group 20 and at least one bubble tube 30. The bubble tube 30 is received in the fixed group 20, and the fixed group 20 is disposed on the body 10. In this embodiment, the level The body 10 is integrally formed. The number of the fixing groups 20 is four, and the number of the bubble tubes 30 is four. The four fixing groups 20 are disposed on the body 10 and arranged in sequence, and the four bubble tubes 30 are respectively accommodated. Within the four fixed group 20.

The body 10 extends along a first axis L1 and includes at least one receiving through hole 11 extending perpendicular to the first axis L1 and extending through opposite sides of the body 10 . In this embodiment, the number of the receiving through holes 11 is four, and the four receiving through holes 11 are sequentially arranged along the direction of the first axis L1. The body 10 further includes a first viewing hole 12 and four. a magnetic component 13 , the first viewing hole 12 is disposed through the body 10 and communicates with one of the four receiving through holes 11 , and the four magnetic components 13 are disposed on a side of the body 10 opposite to the first viewing hole 12 And arranged in sequence along the first axis L1.

The at least one fixing group 20 is received in the at least one receiving hole 11 of the body 10 and includes a receiving member 21, a cover member 22 and a viewing window 23, and the receiving member 21 and the cover member 22 are respectively provided by the body 10. The opposite sides extend into the receiving through hole 11 and are connected to each other. The receiving member 21 receives the bubble tube 30, and the cover member 22 abuts against the bubble tube 30 to prevent the bubble tube 30 from coming off the receiving member 21, the receiving member The first insertion length H1 is greater than the second length. Extending into the length H2, the receiving member 21 and the cover member 22 respectively abut the opposite sides of the body 10 parallel to the first axis L1. The viewing window 23 extends perpendicular to the first axis L1 and penetrates the receiving member 21 With the cover member 22.

The receiving member 21 includes two positioning recesses 211, a surrounding wall portion 212, a first top cover portion 213 and two first positioning convex portions 214. The surrounding wall portion 212 is connected to the first top cover portion 213 on one side. The wall portion 212 is received in the receiving through hole 11 , and the thickness of the surrounding wall portion 212 is the first extending length H1 . The first top cover portion 213 abuts against one side of the body 10 , and the viewing window 23 runs through The first top cover portion 213 surrounds the observation window 23, and the two positioning recesses 211 respectively pass through opposite ends of the surrounding wall portion 212 and communicate with the observation window 23. The two positioning recesses 211 are located at the same The two first positioning protrusions 214 are connected to the surrounding wall portion 212 and the first top cover portion 213 and extend toward the cover member 22 . The two positioning recesses 211 are located at the two first positioning protrusions 214 . between. In this embodiment, one of the four receiving members 21 includes a second viewing hole 215 that communicates with the first viewing hole 12 and the viewing window 23 and between the two positioning recesses 211. The surrounding wall portion 212 includes four protruding posts 2121 disposed on the side of the surrounding wall portion 212 opposite to the first top cover portion 213 and extending toward the cover member 22.

The cover member 22 includes a connecting portion 221, a second top cover portion 222, and two second positioning protrusions 223. The connecting portion 221 is connected to the second top cover portion 222. The connecting portion 221 is accommodated in the receiving portion 221 The through hole 11 is connected to the side of the first cover portion 213 opposite to the side of the first cover portion 213, and the thickness of the connection portion 221 is the second extension length H2, and the second top cover portion 222 abuts the body 10 opposite to the side of the first top cover portion 213 , the viewing window 23 extends through the connecting portion 221 and the second top cover portion 222 , and the second positioning protrusions 223 connect the connecting member 221 and the second top portion The cover portion 222 is located at opposite ends of the observation window 23 , and the two second positioning protrusions 223 extend toward the receiving member 21 , and the two positioning recess portions 211 are located between the second positioning protrusions 223 . The connecting portion 221 includes four coupling holes 2211. The four coupling holes 2211 are disposed on one side of the connecting portion 221 opposite to the second top cover portion 222. The four protruding posts 2121. respectively extend into the four coupling holes 2211. The receiving member 21 and the cover member 22 are coupled to each other.

The bubble tube 30 is received in the two positioning recesses 211 and passes through the observation window 23, so that the user can observe the position of the bubble of the bubble tube 30 through the observation window 23 and can pass the first observation hole 12 and the second The observation hole 215 observes the position of the bubble of the bubble tube 30. The two first positioning protrusions 214 respectively abut against opposite ends of the bubble tube 30, and the two second positioning protrusions 223 respectively abut the opposite ends of the bubble tube 30. The opposite ends of the bubble tube 30 respectively extend along the two positioning recesses 211 of the receiving member 21 to form a rectangular parallelepiped. The two positioning recesses 211 have a rectangular shape corresponding to the bubble tube 30, and the bubble tube 30 has an internal space. 31. The internal space 31 accommodates a liquid and a bubble, and the internal space 31 has a cylindrical shape. In this embodiment, one of the four bubble tubes 30 extends along the first axis L1, the other bubble tube 30 extends along a second axis L2, and the other four bubble tubes 30 follow a third The axis L3 extends, and the remaining bubble tube 30 extends along a fourth axis L2 that is perpendicular to the first axis L1. The third axis L3 has a 45 degree angle with the first axis L1. The fourth axis L4 has an angle of 30 degrees with the first axis L1.

In summary, the level of the present invention has the following advantages:

1. When the assembler assembles the level, first, the bubble tube 30 is placed on the receiving member 21, and the two positioning recesses 211 respectively receive the bubble tube 30. Then, the surrounding wall portion 212 of the receiving member 21 is placed in the receiving through hole 11 of the body 10, and the bubble tube 30 is located in the receiving through hole 11. Finally, the connecting portion 221 of the cover member 22 is inserted into the receiving through hole 11 of the body 10. The four protruding posts 2121 respectively extend into the four coupling holes 2211 to join the surrounding wall portion 212 and the connecting portion 221 The cover member 22 abuts the bubble tube 30 and fixes the bubble tube 30 in the receiving member 21, and the first top cover portion 213 of the receiving member 21 and the second top cover portion 222 of the cover member 22 respectively The opposite sides of the body 10 are abutted, so that the fixing group 20 is fixed to the receiving hole 11 of the body 10. The level of the present invention is simple in construction and requires only three steps to assemble the level.

2. The opposite ends of the bubble tube 30 respectively extend along the two positioning recesses 211 of the receiving member 21 and have a rectangular cross section, and the two positioning recesses 211 have a rectangular shape corresponding to the bubble tube 30, so that the receiving portion The member 21 can securely receive the bubble tube 30, and the bubble tube 30 does not easily drop the receiving member 21 when the level is assembled.

3. The bubble tube 30 is formed into a rectangular parallelepiped, and the internal space 31 of the bubble tube 30 has a cylindrical shape, so that the bubble tube 30 has a high strength. When the level is dropped, the bubble tube 30 can withstand an impact to prevent the bubble tube 30 from being broken.

However, the above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and the numerical values are changed or the equivalent elements are replaced, or the equivalent range of the patent application scope of the present invention is changed. And modifications should still fall within the scope of the invention patent.

10‧‧‧ Ontology

11‧‧‧ accommodated perforation

12‧‧‧ first observation hole

13‧‧‧Magnetic components

20‧‧‧Fixed group

21‧‧‧Receiving parts

211‧‧‧ positioning recess

212‧‧‧ Surrounding the wall

2121‧‧‧ protruding column

213‧‧‧First top cover

214‧‧‧First positioning projection

215‧‧‧ second observation hole

22‧‧‧Cleaning pieces

221‧‧‧Connecting Department

2211‧‧‧Combination hole

222‧‧‧Second top cover

223‧‧‧Second positioning convex

23‧‧‧ observation window

30‧‧‧ bubble tube

31‧‧‧Internal space

H1‧‧‧first extension length

H2‧‧‧second extension length

L1‧‧‧first axis

L2‧‧‧second axis

L3‧‧‧ third axis

L4‧‧‧fourth axis

Figure 1: A perspective view of the spirit level of the present invention. Figure 2: A partial exploded view of the spirit level of the present invention. Figure 3: A cross-sectional view taken from Figure 1. Figure 4: Another cross-sectional view taken from Figure 1.

10‧‧‧ Ontology

11‧‧‧ accommodated perforation

12‧‧‧ first observation hole

21‧‧‧Receiving parts

211‧‧‧ positioning recess

212‧‧‧ Surrounding the wall

2121‧‧‧ protruding column

213‧‧‧First top cover

214‧‧‧First positioning projection

22‧‧‧Cleaning pieces

221‧‧‧Connecting Department

2211‧‧‧Combination hole

222‧‧‧Second top cover

223‧‧‧Second positioning convex

30‧‧‧ bubble tube

31‧‧‧Internal space

Claims (6)

A leveling device comprising: a body integrally formed and including at least one receiving through hole, the at least one receiving through hole extending through opposite sides of the body; at least one fixing group accommodating at least one of the body The through hole includes a receiving member, a cover member and a viewing window, and the receiving member and the cover member respectively extend from the opposite sides of the body into the receiving through hole and are connected to each other, and the receiving member extends into the receiving through hole and has a first extending length, the cover member extends into the receiving through hole and has a second extending length, the first extending length is greater than the second extending length, and the receiving member and the cover member respectively abut the top On the opposite sides of the body, the observation window extends through the opposite sides of the receiving member and the cover member, the receiving member includes two positioning recesses respectively located at opposite ends of the receiving member and communicating with the viewing window, and the two positioning a recessed portion is located in the receiving perforation; at least one bubble tube is received in the two positioning recesses and passes through the observation window, the cover member abuts against the bubble tube to prevent the bubble tube from coming off the receiving member, the at least one bubble tube in contrast Each end portion extending along a direction of the two positioning recesses of the receiving member and which has a rectangular cross-sectional shape, the two positioning recess portion corresponding to the rectangular pipe-shaped bubble, the bubble tube having an inner space, the inner cylindrical space. The leveling device of claim 1, wherein the receiving member comprises a surrounding wall portion and a first top cover portion, the side of the surrounding wall portion being connected to the first top cover portion, the surrounding wall portion being received in the receiving portion a perforation, the thickness of the surrounding wall portion is the first extension length, the first top cover portion abuts one side of the body, the observation window extends through the first top cover portion, and the surrounding wall portion is provided with the observation a window, the two positioning recesses respectively pass through opposite ends of the surrounding wall portion, the cover member includes a connecting portion and a second top cover portion, the connecting portion is connected to the second top cover portion on one side, and the connecting portion is received Inserting the perforation and connecting the surrounding wall portion opposite to the One side of the first top cover portion, the connection portion has a thickness that is the second extension length, and the second top cover portion abuts the body opposite to one side of the first top cover portion, the observation window extends through the connection And the second top cover portion. The leveling device of claim 1, wherein the receiving member comprises two first positioning convex portions, the two positioning concave portions are located between the two first positioning convex portions, the two positioning convex portions extending toward the cover member, the cover member The second positioning convex portion is disposed to extend toward the receiving member, and the two positioning concave portions are located between the two second positioning convex portions, and the two first positioning convex portions respectively abut against the bubble tube respectively The two second positioning protrusions respectively abut against opposite ends of the bubble tube. The leveling device of claim 2, wherein the surrounding wall portion comprises a four protruding column, the four protruding column is disposed on a side of the surrounding wall portion opposite to the first top cover portion, the connecting portion comprises four bonding holes The four coupling holes are disposed on a side of the connecting portion opposite to the second top cover portion, and the four protruding posts respectively extend into the four engaging holes to allow the receiving member and the cover member to be coupled to each other. The level of the first aspect of the present invention, wherein the number of the at least one accommodating perforations is four, and the four accommodating perforations are sequentially arranged along the extending direction of the body, and the number of the at least one fixed group is four. And the number of the at least one bubble tube is four. The leveling device of claim 5, the body includes a first viewing hole, the first viewing hole penetrating the body and communicating with one of the four receiving perforations, one of the four receiving members including a second observation a hole, the second observation hole communicates with the first observation hole and the observation window and is located between the two positioning recesses.