CN203586972U

CN203586972U - Double-face dial indicator

Info

Publication number: CN203586972U
Application number: CN201320674610.0U
Authority: CN
Inventors: 庞希奎
Original assignee: MCC Baosteel Technology Services Co Ltd
Current assignee: MCC Baosteel Technology Services Co Ltd
Priority date: 2013-10-29
Filing date: 2013-10-29
Publication date: 2014-05-07
Anticipated expiration: 2023-10-29

Abstract

The utility model provides a double-face dial indicator. The double-face dial indicator comprises a meter bezel, a support plate, a meter rod, a dial plate, a transmission gear, a small-scale gear and a large-scale gear. The meter rod penetrates the meter bezel, the support plate is mounted on the meter bezel, the transmission gear, the small-scale gear and the large-scale gear are mounted on the support plate through rotary shafts, a gear rack on the meter rod is engaged with the transmission gear, the transmission gear is engaged with the small-scale gear, and the small-scale gear is engaged with the large-scale gear; and the meter rod is connected with one end of a reset spring, the other end of the reset spring is connected with an inner wall of the lower end of the meter bezel, the meter bezel is provided with the two dial plates, each of the two dial plates is provided with a small-scale pointer and a large-scale pointer, the small-scale pointers are respectively fixed to two ends of the corresponding rotary shaft of the small-scale gear, and the large-scale pointers are respectively fixed to two ends of the corresponding rotary shaft of the large-scale gear. The double-face dial indicator is provided with two groups of dial plates and pointers, and is very convenient for workers to operate in actual work; and working efficiency is improved.

Description

Two-sided dial gauge

Technical field

The utility model relates to a kind of survey instrument, especially relates to a kind of dial gauge that can two-sided reading.

Background technology

Along with the raising of scientific and technological level, the production and processing precision of various device also constantly improves.Dial gauge because simple in structure, volume is little, highly sensitive and be widely used in fields of measurement.Dial gauge is mainly used in measuring small straight-line displacement, its principle of work is: when the gauge head of table bar abuts against on measured object, the deformation of object will cause small the moving up and down of gauge head, tooth bar on table bar promotes transmission gear, transmission gear drives down scale gear to rotate, down scale gear driven high range gear rotates, high range gear is connected respectively high range pointer and down scale pointer with down scale gear, according to the angular displacement reading of high range pointer and the rotation of down scale pointer, read the deformation size of testee.Although dial gauge is using easily, but while carrying out work in the place of a few thing narrow field, because the restriction of condition, only by the one side of dial gauge, carry out reading often very inconvenient, there is significant limitation, therefore, need to a kind ofly can facilitate staff dial gauge to be carried out to the two-sided dial gauge of reading.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of reduction work difficulty, facilitates staff from the two-sided dial gauge of both direction reading out data, to overcome the above-mentioned defect of prior art.

In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of two-sided dial gauge, comprise table circle, support plate, table bar, dial plate, transmission gear, down scale gear and high range gear, described table bar is located on table circle, described support plate is arranged in table circle, described transmission gear, down scale gear and high range gear are all arranged on support plate by rotating shaft, on described table bar, be provided with vertically tooth bar, described tooth bar is meshed with transmission gear, transmission gear is meshed with down scale gear, down scale gear is meshed with high range gear, described table bar is connected with a back-moving spring, the other end of back-moving spring is connected with the inwall of table circle lower end, in described table circle, be provided with two dial plates, on two dial plates, be respectively equipped with down scale pointer and high range pointer, described down scale pointer is separately fixed at the rotating shaft two ends of down scale gear, described high range pointer is separately fixed at the rotating shaft two ends of high range gear.

Preferably, described table bar is provided with one can be along the limiting plate of table bar axially-movable, and described limiting plate has elongated slot, and limiting plate is connected with table bar by bolt, and described limiting plate is provided with spring carrier arm, and described spring carrier arm is connected with back-moving spring.

Preferably, described high range gear and down scale gear are installed on a base, and described floor installation is on support plate.

Preferably, the two ends of described table bar are equipped with dust cap.

Preferably, be also provided with the backstay perpendicular to table bar on described table bar, described table circle inwall has guide groove, and described backstay and guide groove match.

As mentioned above, two-sided dial gauge of the present utility model, has following beneficial effect:

The utility model is all provided with dial plate and pointer at the tow sides of a dial gauge, when specific works, can use in different occasions, especially in some narrow and small occasions, is convenient to very much especially staff's operation, has reduced work difficulty, has improved work efficiency.

Accompanying drawing explanation

Fig. 1 is front view of the present utility model.

Fig. 2 is structural drawing of the present utility model.

Fig. 3 is schematic diagram of the present utility model.

Fig. 4 is that inner structure of the present utility model is to view.

Fig. 5 is table bar structural drawing of the present utility model.

In figure: 1 table circle 2 support plates

3 table bar 4 dial plates

6 base 7 dust caps

8 backstay 11 guide grooves

31 tooth bar 32 back-moving springs

33 limiting plate 51 transmission gears

52 down scale gear 53 high range gears

331 elongated slot 332 spring carrier arms

521 down scale pointer 531 high range pointers

Embodiment

The structure that Figure of description illustrates, ratio, size etc., equal contents in order to coordinate instructions to disclose only, for person skilled in the art scholar, understand and read, not in order to limit the enforceable qualifications of the utility model, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under the effect that the utility model can produce and the object that can reach, all should still drop in the scope that technology contents that the utility model discloses can contain.Simultaneously, in this instructions, quote as " on ", the term such as D score, 'fornt', 'back', " centre ", also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under without essence change technology contents, when being also considered as the enforceable category of the utility model.

As Fig. 1-Figure 4 shows that a kind of two-sided dial gauge of the present utility model, comprise table circle 1, support plate 2, table bar 3, dial plate 4, transmission gear 51, down scale gear 52 and high range gear 53, described table bar 3 is located on table circle 1, described support plate 2 is arranged in table circle 1, described transmission gear 51, down scale gear 52 and high range gear 53 are all arranged on support plate 2 by rotating shaft, on described table bar 3, be provided with vertically tooth bar 31, described tooth bar 31 is meshed with transmission gear 51, transmission gear 51 is meshed with down scale gear 52, down scale gear 52 is meshed with high range gear 53, described table bar 3 is connected with a back-moving spring 32, the other end of back-moving spring 32 is connected with the inwall of table circle 1 lower end.In conjunction with Fig. 1 with as Fig. 3, in described table circle 1, be provided with two dial plates 4, dial plate 4 outsides are respectively equipped with end cap, on two dial plates 4, be respectively equipped with down scale pointer 521 and high range pointer 531, described down scale pointer 521 is separately fixed at the rotating shaft two ends of down scale gear 52, described high range pointer 531 is separately fixed at the rotating shaft two ends of high range gear 53, and down scale gear 52 drives down scale pointer 521 to rotate, and high range gear 53 drives high range pointer 531 to rotate.

As shown in Figure 5, described table bar 3 is provided with one can be along the limiting plate 33 of table bar 3 axially-movables, and described limiting plate 33 has elongated slot 331, and limiting plate 33 is connected with table bar 3 by bolt, described limiting plate 33 is provided with spring carrier arm 332, and described spring carrier arm 332 is connected with back-moving spring 32.While unclamping bolt, elongated slot 331 can screw bolt after regulating along the adjusting position that endwisely slips of table bar 33, and the effect of limiting plate 33 is to regulate the stressing conditions of back-moving spring 32, and then guarantees that dial gauge measures in a controlled scope.

In the present embodiment, described high range gear 53 and down scale gear 52 are installed on a base 6, and described base 6 is arranged on support plate 2.First high range gear 53 and down scale gear 52 are worked good and be arranged on base 6 so when mounted, not only improved the precision of device, and also convenient while installing.

In the present embodiment, the two ends of described table bar 3 are equipped with dust cap 7, and preventing that the impurity such as dust from entering affects measuring accuracy in dial gauge.

Because table bar 3 moves up and down down in working order, when motion, to guarantee that measurement range is in range, and prevent from showing bar 3 rotations and affect measuring accuracy, so in the present embodiment, as shown in Figure 2 and Figure 5, on described table bar 3, be also provided with the backstay 8 perpendicular to table bar 3, described table encloses 1 inwall and has guide groove 11, and described backstay 8 and guide groove 11 match.

The utility model can be applicable to different workplaces, especially in the occasion of narrow space, for example equipment needs circumference centering centering, because the utility model can be observed and reading from positive and negative both direction, so can greatly reduce work difficulty, increase work efficiency.

In sum, the two-sided dial gauge of the utility model, can solve the problem of reading inconvenience when narrow and small occasion is measured.So, thereby the utility model has effectively overcome practical problemss more of the prior art, have very high value and use meaning.

Above-mentioned embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.The utility model also has many aspects under the prerequisite without prejudice to overall thought, to improve, and for person skilled in the art scholar, all can, under spirit of the present utility model and category, can above-described embodiment be modified or be changed.Therefore, have in technical field under such as and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.

Claims

1. a two-sided dial gauge, comprise table circle (1), support plate (2), table bar (3), dial plate (4), transmission gear (51), down scale gear (52) and high range gear (53), described table bar (3) is located on table circle (1), described support plate (2) is arranged in table circle (1), described transmission gear (51), down scale gear (52) and high range gear (53) are all arranged on support plate (2) by rotating shaft, on described table bar (3), be provided with vertically tooth bar (31), described tooth bar (31) is meshed with transmission gear (51), transmission gear (51) is meshed with down scale gear (52), down scale gear (52) is meshed with high range gear (53), described table bar (3) is connected with a back-moving spring (32), the other end of back-moving spring (32) is connected with the inwall of table circle (1) lower end, it is characterized in that: in described table circle (1), be provided with two dial plates (4), on two dial plates (4), be respectively equipped with down scale pointer (521) and high range pointer (531), described down scale pointer (521) is separately fixed at the rotating shaft two ends of down scale gear (52), described high range pointer (531) is separately fixed at the rotating shaft two ends of high range gear (53).

2. two-sided dial gauge according to claim 1, it is characterized in that: described table bar (3) is provided with one can be along the limiting plate (33) of table bar (3) axially-movable, described limiting plate (33) has elongated slot (331), limiting plate (33) is connected with table bar (3) by bolt, described limiting plate (33) is provided with spring carrier arm (332), and described spring carrier arm (332) is connected with back-moving spring (32).

3. two-sided dial gauge according to claim 1, is characterized in that: it is upper that described high range gear (53) and down scale gear (52) are installed in a base (6), and described base (6) is arranged on support plate (2).

4. two-sided dial gauge according to claim 1, is characterized in that: the two ends of described table bar (3) are equipped with dust cap (7).

5. two-sided dial gauge according to claim 1, it is characterized in that: on described table bar (3), be also provided with the backstay (8) perpendicular to table bar (3), described table circle (1) inwall has guide groove (11), and described backstay (8) and guide groove (11) match.