CN212390935U

CN212390935U - Length detector

Info

Publication number: CN212390935U
Application number: CN202021512245.XU
Authority: CN
Inventors: 田永礼
Original assignee: Sichuan Zhongheng Measurement And Testing Technology Co ltd
Current assignee: Sichuan Zhongheng Measurement And Testing Technology Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-01-22
Anticipated expiration: 2030-07-27

Abstract

The utility model provides a length detector belongs to measuring device technical field. The length detector comprises a frame body assembly, a measuring assembly and a pressing assembly. The slider sliding connection be in the spout, the bottom of first locating piece with slider fixed connection, the boss sets up one side of second locating piece, the dog is connected the top one end of bottom plate, the dog with the other end of spring is connected, screw connection is in one side of bottom plate, the movable plate cup joints the surface of lead screw, first fastening nut threaded connection is in on the lead screw, first fastening nut threaded connection be in the lead screw with between the movable plate, the bracing piece is connected the below of movable plate, the clamp plate with the bottom fixed connection of bracing piece. The horizontal that is favorable to the major axis to place and reduce the probability that the clamping in-process takes place the warp, be favorable to the accuracy of measurement.

Description

Length detector

Technical Field

The utility model relates to a measuring device field particularly, relates to a length detection appearance.

Background

The shaft is a part commonly used in the field of machinery, and is generally used in the assembly of various machines, and the length requirement of the shaft is different for different mechanical equipment. The matching shafts are therefore selected before mechanical assembly, and shaft manufacturers need to sort the shafts by length in advance.

At present, a plurality of measuring instruments with digital display exist for shaft measurement, although the measuring efficiency is improved compared with the traditional caliper measurement, the accuracy is poor, the measuring is poor due to the fact that the accuracy is poor, the shaft is not placed horizontally in the measuring process, or the shaft is not placed horizontally due to the fact that the shaft is clamped and warped in the measuring process, how to invent a length detector to improve the problems is the problem needing to be solved at present.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above deficiency, the utility model provides a length detection appearance aims at improving the in-process that the axle was placed or the in-process of centre gripping because the unleveled poor problem of measurement accuracy that leads to.

The utility model discloses a realize like this:

the utility model provides a length detection appearance includes support body subassembly, measuring subassembly and compresses tightly the subassembly.

The support body subassembly includes bottom plate and locating plate, the spout has been seted up on the bottom plate, the locating plate is connected one side of bottom plate.

The measuring component comprises a first positioning block, a second positioning block, a sliding block, a boss, a dial indicator, a fixture block, a spring, a stop block and a level meter, wherein the sliding block is connected in the sliding groove in a sliding mode, the bottom end of the first positioning block is fixedly connected with the sliding block, the second positioning block is connected in the sliding groove in the boss and the fixture block in a sliding mode, the boss is arranged on one side of the second positioning block, the dial indicator is arranged above the boss, the dial indicator is in contact with the fixture block and connected with the fixture block, the fixture block is arranged on one side of the boss, one end of the spring is connected with the fixture block, the stop block is connected with one end of the upper portion of the bottom plate, the stop block is connected with the other end of the spring, and the level meter is.

The pressing assembly comprises a screw rod, a moving plate, a first fastening nut, a supporting rod and a pressing plate, wherein the screw rod is connected to one side of the bottom plate, the moving plate is sleeved on the outer surface of the screw rod, the first fastening nut is in threaded connection to the screw rod and the moving plate, the supporting rod is connected to the lower portion of the moving plate, and the pressing plate is fixedly connected to the bottom end of the supporting rod.

In an embodiment of the present invention, the bottom plate is provided with feet, and the feet are fixedly connected below the bottom plate.

In an embodiment of the present invention, the footing comprises a rod body and a supporting disk, the rod body is screwed under the bottom plate, and the supporting disk is fixed at the bottom end of the rod body.

In an embodiment of the present invention, the rod body is provided with a fixing nut, and the fixing nut is screwed on the rod body.

In an embodiment of the present invention, the bottom plate is connected with a handle, and the handle is fixedly connected to both ends of the bottom plate.

In an embodiment of the present invention, the first positioning block is connected to a screw, and the screw is in contact with the sliding groove.

The utility model discloses an in one embodiment, the trompil has been seted up on the fixture block, the fixture block with pass through between the percentage table the trompil contact is connected.

In an embodiment of the present invention, a groove is disposed between the level and the bottom plate, and the level is disposed in the groove.

The utility model discloses an in an embodiment, the top of lead screw is connected with the stopper, the bottom of lead screw is connected with the base, the lead screw passes through the base with the bottom plate is connected.

In an embodiment of the present invention, the movable plate is provided with a through groove, the movable plate is connected to the second fastening nut between the support rods, and the surface of the pressing plate is covered with a rubber pad.

The utility model has the advantages that: the length detector obtained by the design of the utility model is used, the long shaft is placed on the bottom plate, the long shaft is convenient to position by leaning against the positioning plate to prevent the long shaft from inclining, then the position height of the moving plate and the pressing plate is adjusted by adjusting the position of the first fastening nut on the screw rod, so that the long shaft is pressed on the bottom plate by the pressure plate, the head warping of the long shaft in the clamping process is prevented, then the position of the first positioning block is adjusted, the long shaft is clamped between the first positioning block and the second positioning block, then the long shaft is clamped under the action of the spring, the dial indicator is contacted with one end of the long shaft, the length value of the long shaft can be read by utilizing the value indicated on the dial indicator, therefore, an accurate long shaft length measurement value is obtained, the long shaft length measurement value is beneficial to the level of long shaft placement, the probability of head warping in the clamping process is reduced, and the measurement accuracy is facilitated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a length detector provided in an embodiment of the present invention;

fig. 2 is a schematic view of a first view angle structure of a length detector according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a second view structure of a length detector according to an embodiment of the present invention;

fig. 4 is a schematic view of a connecting structure of a chute and a slide block provided in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a compressing assembly according to an embodiment of the present invention.

In the figure: 100-a rack assembly; 110-a base plate; 120-a chute; 130-footing; 132-a rod body; 134-a support disk; 136-a retaining nut; 140-a handle; 150-a positioning plate; 200-a measurement assembly; 210-a first positioning block; 212-a screw; 220-a second positioning block; 230-a slider; 240-boss; 250-dial indicator; 260-a fixture block; 262-opening a hole; 270-a spring; 280-a stop block; 290-a level; 292-grooves; 300-a compression assembly; 310-a lead screw; 312-a stop block; 320-a base; 330-moving plate; 340-a first fastening nut; 350-through groove; 360-support bar; 370-a second fastening nut; 380-pressing plate; 382-rubber pad.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: a length measuring apparatus includes a frame assembly 100, a measuring assembly 200, and a pressing assembly 300.

Referring to fig. 1-5, the frame assembly 100 includes a base plate 110 and a positioning plate 150, wherein the base plate 110 has a sliding slot 120, the base plate 110 has a bottom foot 130, and the bottom foot 130 is fixedly connected to a lower portion of the base plate 110. The foot 130 includes a rod body 132 and a support plate 134, the rod body 132 is screwed below the bottom plate 110, and the support plate 134 is fixed at the bottom end of the rod body 132. The rod 132 is provided with a fixing nut 136, and the fixing nut 136 is screwed on the rod 132. Through body of rod 132 and bottom plate 110 threaded connection, can change the position height between supporting disk 134 and the bottom plate 110 to can adjust the levelness of bottom plate 110, be favorable to bottom plate 110, adapt to different ground. The bottom plate 110 is connected with a handle 140, the handle 140 is fixedly connected to both ends of the bottom plate 110, and the positioning plate 150 is connected to one side of the bottom plate 110. The handle 140 is arranged to facilitate moving of the instrument, and the positioning plate 150 is arranged to facilitate positioning of the shaft to prevent inclination.

Referring to fig. 1-5, the measuring assembly 200 includes a first positioning block 210, a second positioning block 220, a sliding block 230, a boss 240, a dial indicator 250, a clamping block 260, a spring 270, a stop 280, and a level gauge 290, wherein the sliding block 230 is slidably connected in the sliding groove 120, the bottom end of the first positioning block 210 is fixedly connected with the sliding block 230, the first positioning block 210 is connected with a screw 212, and the screw 212 is in contact connection with the sliding groove 120. The second positioning block 220, the boss 240 and the fixture block 260 are slidably connected in the sliding groove 120, the boss 240 is disposed on one side of the second positioning block 220, the dial indicator 250 is disposed above the boss 240, the dial indicator 250 is in contact connection with the fixture block 260, the fixture block 260 is disposed on one side of the boss 240, an opening 262 is formed in the fixture block 260, and the fixture block 260 is in contact connection with the dial indicator 250 through the opening 262. One end of the spring 270 is connected with the latch 260, the latch 280 is connected with one end above the bottom plate 110, the latch 280 is connected with the other end of the spring 270, the level gauge 290 is connected with the bottom plate 110, a groove 292 is formed between the level gauge 290 and the bottom plate 110, and the level gauge 290 is arranged in the groove 292. The level 290 is provided in two, and the level 290 is provided to ensure the levelness of the base plate 110, which facilitates the horizontal placement of the shaft.

Referring to fig. 1 to 5, the pressing assembly 300 includes a screw 310, a moving plate 330, a first fastening nut 340, a support rod 360 and a pressing plate 380, the screw 310 is connected to one side of the bottom plate 110, a limiting block 312 is connected to the upper side of the screw 310, a base 320 is connected to the bottom end of the screw 310, and the screw 310 is connected to the bottom plate 110 through the base 320. The moving plate 330 cup joints the surface at lead screw 310, logical groove 350 has been seted up on the moving plate 330, first fastening nut 340 threaded connection is on lead screw 310, first fastening nut 340 threaded connection is between lead screw 310 and moving plate 330, it is fixed that the position is carried out to the moving plate 330 through two first fastening nuts 340, the below at moving plate 330 is connected to bracing piece 360, it is favorable to bracing piece 360 to remove the position that makes things convenient for adjusting the clamp plate 380 to set up logical groove 350, be connected with second fastening nut 370 between moving plate 330 and the bracing piece 360, carry out the fixed of position to bracing piece 360 through setting up second fastening nut 370, the bottom fixed connection of clamp plate 380 and bracing piece 360, the surface covering of clamp plate 380 has rubber pad 382.

The working principle of the length detector is as follows: when the long shaft clamping device is used, the long shaft is placed on the bottom plate 110, the long shaft is conveniently positioned and prevented from being inclined by leaning against the positioning plate 150, then the position of the first fastening nut 340 on the lead screw 310 is adjusted, so that the movable plate 330 and the pressure plate 380 are adjusted in position height, the pressure plate 380 enables the long shaft to be pressed on the bottom plate 110 in a pressing mode, the position of the pressure plate 380 is convenient to adjust by moving the support rod 360 through the through groove 350, the pressure plate 380 enables the long shaft to be pressed better, the long shaft is prevented from being warped in the clamping process, then the position of the first positioning block 210 is adjusted, the long shaft is clamped between the first positioning block 210 and the second positioning block 220 through the clamping, the long shaft is clamped under the action of the spring 270, the dial indicator 250 is in contact with one end of the long shaft, the length value of the long shaft can be read by utilizing the value indicated on the dial indicator, the problem of the axle in-process of placing or the centre gripping because out of level leads to measuring accuracy poor is improved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A length detector is characterized by comprising

The rack body assembly (100) comprises a bottom plate (110) and a positioning plate (150), the bottom plate (110) is provided with a sliding groove (120), and the positioning plate (150) is connected to one side of the bottom plate (110);

the measuring component (200) comprises a first positioning block (210), a second positioning block (220), a sliding block (230), a boss (240), a dial indicator (250), a clamping block (260), a spring (270), a stop block (280) and a level gauge (290), wherein the sliding block (230) is connected in the sliding groove (120) in a sliding manner, the bottom end of the first positioning block (210) is fixedly connected with the sliding block (230), the second positioning block (220), the boss (240) and the clamping block (260) are connected in the sliding groove (120) in a sliding manner, the boss (240) is arranged on one side of the second positioning block (220), the dial indicator (250) is arranged above the boss (240), the dial indicator (250) is in contact connection with the clamping block (260), and the clamping block (260) is arranged on one side of the boss (240), one end of the spring (270) is connected with the clamping block (260), the stop block (280) is connected with one end above the bottom plate (110), the stop block (280) is connected with the other end of the spring (270), and the level gauge (290) is connected on the bottom plate (110);

compress tightly subassembly (300), compress tightly subassembly (300) and include lead screw (310), movable plate (330), first fastening nut (340), bracing piece (360) and clamp plate (380), lead screw (310) are connected one side of bottom plate (110), movable plate (330) cup joint the surface of lead screw (310), first fastening nut (340) threaded connection be in on lead screw (310), first fastening nut (340) threaded connection be in lead screw (310) with between movable plate (330), bracing piece (360) are connected the below of movable plate (330), clamp plate (380) with the bottom fixed connection of bracing piece (360).

2. A length measuring gauge according to claim 1, characterized in that the base plate (110) is provided with feet (130), and the feet (130) are fixedly connected below the base plate (110).

3. A length measuring device according to claim 2, wherein said foot (130) comprises a rod (132) and a support plate (134), said rod (132) being screwed under said base plate (110), said support plate (134) being fixed to the bottom end of said rod (132).

4. A length measuring gauge according to claim 3, wherein the rod (132) is provided with a fixing nut (136), the fixing nut (136) being screwed onto the rod (132).

5. A length measuring gauge according to claim 1, wherein a handle (140) is attached to the base plate (110), the handle (140) being fixedly attached to both ends of the base plate (110).

6. A length measuring device according to claim 1, wherein a screw (212) is connected to the first positioning block (210), and the screw (212) is in contact connection with the slide groove (120).

7. The length measuring instrument according to claim 1, wherein the latch (260) has an opening (262), and the latch (260) is in contact with the dial indicator (250) through the opening (262).

8. A length gauge according to claim 1, wherein a recess (292) is defined between the level (290) and the base plate (110), the level (290) being disposed within the recess (292).

9. The length detector according to claim 1, wherein a limiting block (312) is connected above the screw (310), a base (320) is connected to the bottom end of the screw (310), and the screw (310) is connected to the base plate (110) through the base (320).

10. The length measuring instrument according to claim 1, wherein the moving plate (330) has a through slot (350), a second fastening nut (370) is connected between the moving plate (330) and the supporting rod (360), and a rubber pad (382) covers the surface of the pressing plate (380).