CN201059974Y - level ruler - Google Patents

Abstract

The utility model provides a level. The handle, the end cover fixing device, the peg hole and other accessory parts on the main body are fixed on the main body of the level through a fixing mechanism with simple structure and easy to disassemble. The spirit level comprises an elongated main body with a measuring plane, at least one blister is installed on the elongated main body, and the two sides of the main body also have mounting holes allowing at least one accessory part to pass through, and the auxiliary part includes a first member and a In the second component, a pin is located on the first component, and the second component has a cavity that can accommodate the pin, and an elastic piece is installed in the cavity. The accessory parts of the spirit level are not only simple and convenient to assemble and disassemble, but also the level ruler and the accessory parts will not be damaged when the accessory parts are disassembled, which greatly facilitates users.

Description

level ruler

technical field

The utility model relates to a level, in particular to a level equipped with at least one water bubble.

Background technique

Existing spirit levels generally have an elongated body, a portion of the outer surface of which forms a measuring surface, at least one blister is provided in the body to indicate whether the measuring surface is horizontal or vertical, and usually also There are accessory parts such as end caps, handles, and nail holes to meet the requirements of the level in terms of appearance, structure, or performance. For example, the end caps installed at both ends of the main body of the level can increase the impact resistance of the level to prevent the level from being damaged when it is bumped or dropped. The end caps are usually made of a material softer than the main body, such as usually a plastic material , when the main body is a hollow structure, the end cap also acts as a member to close the main body. A handle is installed on the shell of the spirit level so that the spirit level can be easily taken, and the nail hole is convenient for the spirit level to be hung on a nail or similar hanging objects. However, in the prior art, most spirit levels are fixed by extrusion or glue dispensing when installing these accessories, such as forcing the end caps into the holes at both ends of the housing, or by dispensing glue. The end cap or handle is glued over the handle hole. Although such an installation method is simple and firm, it cannot be disassembled, or it is inconvenient to disassemble and the main body and accessory parts are easily damaged during disassembly, which causes great difficulties in the maintenance or replacement of the level.

Contents of the invention

The purpose of this utility model is to provide such a level, on the main body of the level, there are attached parts such as handles, end cover fixing devices, peg holes, etc. The mechanism is fixed on the main body of the spirit level.

In order to achieve the above object, the spirit level provided by the utility model includes an elongated main body with a measuring plane, at least one water bubble is installed on the elongated main body, and the two sides of the main body also have installation holes allowing at least one accessory part to pass through , the accessory part includes a first component and a second component, a pin is located on the first component, the second component has a cavity that can accommodate the pin, an elastic piece is installed in the cavity, and the pin of the first component is located on the second component. The cavity of the component is in elastic contact with the elastic member.

In this way, when the pin is inserted into the cavity of the first member, the elastic member will press the pin to fix the pin in the cavity, and the first member and the second member are relatively fixed, so that the end cover fixing device, the handle , or peg holes and other structurally similar accessory parts of the level are fixed on the level main body.

When the level needs to be repaired or replaced, and the accessory parts must be disassembled, it is only necessary to apply an appropriate external force to the accessory parts to separate the elastic body from the pin, thereby achieving the purpose of disassembling the accessory parts. Such a structure not only makes the disassembly and assembly of the accessory parts simple and convenient, but also prevents the level and its accessories from being damaged by the disassembly and assembly, which greatly facilitates the user.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment, the utility model is further elaborated.

Fig. 1 is an exploded view of a level in a preferred embodiment of the present invention, wherein some components of the level are not shown, such as blisters and peg holes.

Fig. 2 is an exploded view of the fixing device of the end cap of the level bar shown in Fig. 1 .

Fig. 3 is a cross-sectional view of a part of the fixing device shown in Fig. 2 when assembled.

Fig. 4 is a cross-sectional view of another part of the fixing device shown in Fig. 2 when it is assembled.

FIG. 5 is an assembly view, partially in section, of the fixing device shown in FIG. 2 .

Fig. 6 is a perspective view of a second mounting block of the fixing device shown in Fig. 2 .

Detailed ways

As shown in FIG. 1 , a spirit level in a preferred embodiment of the present utility model includes a hollow main body 1 , the top plane and the bottom plane of the main body 1 are parallel to each other, at least one of which is used as a measuring surface. The main body 1 has water bubble holes 11 and 12 for respectively installing water bubbles (not shown in the figure) indicating that the measuring surface is horizontal or vertical. Two ends of the main body 1 are respectively equipped with an end cap 5 (one of the end caps is not shown). One end of the main body 1 has an installation hole 14 for installing the fixing device 2 of the end cover 5 , and an installation hole 51 corresponding to the installation hole 14 on the main body is provided on the end cover 5 . When the end cover 5 is installed on the main body 1, the center line of the installation hole 51 on the end cover coincides with the center line of the installation hole 11 on the main body, and the end cover fixing device 2 passes through the hole 14 on the main body and on the end cover. The hole 51 is installed to limit the movement of the end cap 5 in the longitudinal direction of the main body, thereby fixing the end cap 5 to the end of the main body 1 . The level also includes a handle 6, which includes two handle parts 61, 62, and the handle parts 61, 62 are mounted and fixed on the main body 1 through the handle mounting holes 13 from the front and rear sides of the main body 1 respectively.

As shown in FIGS. 1-6 , the end cap fixing device 2 includes a first fixing block 21 and a second fixing block 22 . The first fixing block 21 includes a cover portion 211 , a mounting portion 212 , and pins 213 . The second fixing block 22 includes a cover portion 221 , a mounting portion 222 , and a U-shaped spring 223 . The circumferential dimension of the cover part 211 of the first fixed block 21 is greater than the circumferential dimension of the mounting part 212, and the circumferential dimension of the mounting part 212 is equal to or slightly smaller than the size of the hole 14 on the main body, so that when the mounting part 222 is inserted into the hole 14 , the cover part 211 is blocked by other parts of the main body so as to be exposed outside the main body. For the same purpose, the circumferential dimension of the cover portion 221 of the second fixing block 22 is larger than the circumferential dimension of the installation portion 222 , and the circumferential dimension of the installation portion 222 is equal to or slightly smaller than the size of the hole 14 .

The mounting portion 212 of the first fixing block 21 has a hole 214 , and a cylindrical pin 213 is fixed in the hole 214 . In other embodiments, the pin can also be directly formed on the installation part of the first fixing block, and the pin can also be of other shapes.

There is a hole 224 inside the installation part 222 of the second fixed block 22, along the lengthwise direction of the hole 224, there is an opening at the edge of the hole 224, which communicates with a chute 225 to form a cavity with a cross section of Ω shape. U-shaped spring 223 is installed in the chute 225, because this spring 223 is the arched structure that the middle part protrudes upwards, so after the spring 223 is installed in the chute 225, its middle convex part passes through the opening that communicates with the chute 225. The opening extends into the hole 224 , and the maximum distance from the raised portion to the inner wall of the hole 224 is smaller than the diameter of the pin 213 on the first fixing block 21 , while the inner diameter of the hole 224 is equal to or slightly larger than the diameter of the pin 213 .

When assembling, first insert the installation part of the end cover 5 with the hole 51 into the opening at the end of the main body 1, then insert the first fixing block 21 and the second fixing block 22 into the holes 14, 51 from both sides of the main body 1, respectively, The installation part 212 of the first fixing block 21 and the installation part 222 of the second fixing block 22 protrude into the holes 14 and 51 from both sides of the main body 1 respectively, and the cover parts 211 and 212 are closely attached to the two sides of the main body 1 respectively. Inside the main body, the connection of the first fixed block 21 and the second fixed block 22 is shown in Figure 5, the pin 213 is inserted in the hole 224, and the middle raised part of the U-shaped spring 223 is squeezed by the outer surface of the pin 213. A reactive elastic pressure is generated against the pin 213 , pressing the pin 213 against the inner wall of the hole 224 . In this way, the first fixing block 21 and the second fixing block 22 are mutually fixed on the main body 1 , so that the end cover 5 is also fixed on the end of the main body 1 . At this time, the longitudinal direction of the pin 213 is perpendicular to the longitudinal direction of the main body 1 , and the elastic pressure applied by the spring 223 to the pin 213 is perpendicular to the longitudinal direction of the pin 213 .

For the installation of the end cap at the other end of the main body, an end cap fixing device of the same structure is also adopted.

Referring to FIG. 1 again, the two handle parts 61 and 62 of the handle 6 are also fixed on the main body 1 through the same fixing mechanism as the above-mentioned end cap fixing device itself. Handles 61, 62 have cover parts 611, 621 and mounting parts 612, 622 respectively, wherein the circumferential dimension of the cover part of each handle is greater than the circumferential dimension of the mounting part, and the circumferential dimension of the mounting part is equal to or slightly smaller than the handle hole 13 in size. Due to the long handle, in order to obtain a better fixing effect, two sets of fixing mechanisms are used for fixing the handle. The two ends of the mounting part 612 of the handle member 61 respectively have a cross-section Ω-shaped hole 614, 614', and two U-shaped springs 613, 613' are installed in the holes 614, 614' respectively. Correspondingly, two ends of the mounting part 622 of the handle member 62 respectively have a hole (not shown in the figure), and pins 623, 623' are respectively fixed in the holes. With this structure, the handle 6 can be fixed to the main body 1 in the same manner as the above-mentioned fixing of the end cap fixing means to the main body 1 . Likewise, in other embodiments, the pin can also be directly formed on the handle body.

When the end cover 5 needs to be disassembled due to maintenance or other reasons, it is only necessary to pull the cover part 211 or the cover part 221 with an appropriate external force to pull the first fixing block 21 or the second fixing block 22 out of the mounting hole 14, and A fixed block is naturally loosened, so that the end cover 5 can be easily disassembled from the main body without damaging any part of the level. When the handle 6 needs to be disassembled, it is only necessary to apply a suitable external force to one side thereof, and the pins 623, 623' can be pulled out from the holes 614, 614' respectively, so as to realize the disassembly of the handle 6.

This fixing method and mechanism are applicable to other accessory parts similar to the end cap fixing device and the structure of the handle, such as peg holes. In other embodiments, the U-shaped spring may be replaced by other suitable types and shapes of elastic elements.

The text description and accompanying drawings of the above-mentioned preferred embodiment are only to illustrate and describe the content of the present utility model, and are not intended to limit the protection scope of the present utility model. Those of ordinary skill in the art can easily think of other modifications and alternatives to the spirit level involved in the utility model without departing from the spirit and scope of the utility model. The protection scope of the utility model is determined by the claims.

Claims (8)

1. surveyor's staff, comprising elongate body, at least one bubble with a measurement plane is contained on the described elongate body, the both sides of described main body also have the mounting hole that allows at least one appurtenances to pass, described appurtenances comprise one first member and one second member, it is characterized in that, a pin is positioned on described first member, described second member has a cavity that can hold described pin, one elastic component is housed in the described cavity, the pin of described first member be arranged in described second member cavity, and and described elastic component Elastic Contact.

2. surveyor's staff as claimed in claim 1 is characterized in that, each in described first member and second member all has a cover and a mounting portion, and the circumferential size of described cover is greater than the circumferential size of described mounting portion.

3. surveyor's staff as claimed in claim 2 is characterized in that, the circumferential size of described mounting portion is equal to or slightly less than the size of described mounting hole.

4. surveyor's staff as claimed in claim 3 is characterized in that the longitudinally of described pin is perpendicular to the longitudinally of described main body.

5. surveyor's staff as claimed in claim 4 is characterized in that, the direction of the elastic pressure that described elastic component applies to described pin is perpendicular to the longitudinally of described pin.

6. surveyor's staff as claimed in claim 5 is characterized in that: described pin is cylindrical.

7. as each described surveyor's staff among the claim 1-6, it is characterized in that described elastic body is a spring.

8. surveyor's staff as claimed in claim 7 is characterized in that: described spring is the arch of center section projection, and its protruding peak arrives the lateral dimension of the cavity inner wall ultimate range of described second member less than described pin.

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