CN214583801U

CN214583801U - a pointer device

Info

Publication number: CN214583801U
Application number: CN202120809139.6U
Authority: CN
Inventors: 黄长卿
Original assignee: Zhongshan Fumao Seal Technology Co Ltd
Current assignee: Zhongshan Fumao Seal Technology Co Ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-11-02
Anticipated expiration: 2031-04-20

Abstract

The utility model discloses a pointer device, which comprises a housing, an inner bottom surface of the housing is provided with a seat body, the seat body comprises a bottom and a communication part, the inner bottom surface of the housing is fixedly connected with the bottom, and the The upper surface of the bottom is fixedly connected with an elastic diaphragm, the inner wall of the bottom is fixedly connected with a raised portion above the elastic diaphragm, the lower surface of the casing is connected through the communicating portion, and the inner bottom surface of the bottom is fixed A pointer device is connected, and the pointer device includes a shaft body and a pointer. In the present invention, the needle body includes a head portion and a body portion which are connected to each other, a through hole is formed through the body portion, the inner contour of the through hole is in a non-circular shape, and the shaft body is rotatably installed. In a watch body, the shaft body is connected to the body through the through hole, the shaft body and a hole wall surrounding the through hole interfere with each other in the rotation direction, and then the shaft body and the needle body in the same rotational relationship.

Description

Pointer device

Technical Field

The utility model relates to a pointer technical field especially relates to a pointer device.

Background

The pressure gauge is usually used for measuring the pressure of an internal space, such as a pipeline and a container, so as to achieve the purpose of monitoring, and further perform the purposes of adjusting production parameters, protecting safety and the like; among them, the diaphragm pressure gauge is the most common, and has the advantage that the diaphragm can separate the pressure source and the core structure, so it is suitable for measuring corrosive, corrosive and viscous media, and the rotating pointer device can clearly and rapidly identify and read the value.

The present pointer device of pressure gauge is directly following the traditional method, and is not improved and optimized by people, so the pointer of the pressure gauge in the market all has the defect that the pointer is easy to shake and rotate freely relative to the gauge body after being used for a period of time, which causes the error of the numerical value to be easily judged, therefore, it is necessary to provide a new and improved pointer device and a pressure gauge using the pointer device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pointer device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a pointer device, includes the casing, the interior bottom surface of casing is provided with the pedestal, the pedestal includes bottom and intercommunication portion, the interior bottom surface and the bottom fixed connection of casing, the last fixed surface of bottom is connected with elastic diaphragm, the inner wall of bottom and the top fixedly connected with bellying that is located elastic diaphragm.

The lower surface and the intercommunication portion through connection of casing, the interior bottom surface fixedly connected with pointer device of bottom, pointer device includes axis body and pointer, the surface of axis body is provided with revolution mechanic, the surface of axis body is provided with the pointer.

As a further description of the above technical solution:

the upper surface of casing is provided with the table body, the table body is located the top of pointer.

As a further description of the above technical solution:

the inside of casing is provided with the inner space, the pedestal is arranged in the inner space.

As a further description of the above technical solution:

the lower surface of casing just is located the both sides of intercommunication portion and all is provided with the fastener, the casing is connected with the bottom through the fastener.

As a further description of the above technical solution:

the communicating part is positioned at the central axis position of the shell.

As a further description of the above technical solution:

and a pressure space is arranged on the upper surface of the bottom and below the elastic diaphragm.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the pointer device has the advantages that the needle body comprises a head part and a body part which are connected, a through hole penetrates through the body part, the inner contour of the through hole is in a non-circular shape, the shaft body is rotatably arranged on a watch body, the shaft body is connected to the body part through the through hole, the shaft body and a hole wall which surrounds the through hole are in mutual interference in the rotating direction, and the shaft body and the needle body are in the same rotating relation.

2. Compared with the prior art, the pointer device has the advantages that the shell is connected with the bottom through the fastening piece, so that the pointer device is prevented from being used for a long time, and moving shaking or deviation caused in use is avoided.

3. Compared with the prior art, this pointer device, through the axis body and revolution mechanic's mutually supporting, when the pointer uses, it is more convenient, and the condition that can not appear droing, cause the measurement to have the error.

Drawings

Fig. 1 is a subjective view of a pointer device according to the present invention;

fig. 2 is a schematic structural diagram of a pointer device according to the present invention;

fig. 3 is a top view of a pointer device according to the present invention;

fig. 4 is a side view of the pointer device of the present invention, in which a needle body is inserted into an unprocessed front shaft;

fig. 5 is a cross-sectional view of a-a of a pointer device according to the present invention;

fig. 6 is a side view of a processing rivet shaft body of a pointer device according to the present invention;

fig. 7 is a cross-sectional view of a pointer device B-B according to the present invention;

fig. 8 is a side view of a pointer device according to the present invention.

Illustration of the drawings:

1. a pointer device; 2. a pointer; 3. a shaft body; 51. a watch body; 52. a housing; 53. an interior space; 54. a base body; 541. a bottom; 542. a communicating portion; 55. a fastener; 56. an elastic diaphragm; 561. a boss portion; 57. a pressure space; 58. and (5) a rotating structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-8, the present invention provides an embodiment: a pointer device comprises a shell 52, wherein a base body 54 is arranged on the inner bottom surface of the shell 52 and mainly supports a protruding portion 561 and an elastic membrane 56, the base body 54 comprises a bottom portion 541 and a communicating portion 542 and is mainly used for connecting and supporting the shell 52, the inner bottom surface of the shell 52 is fixedly connected with the bottom portion 541, the elastic membrane 56 is fixedly connected to the upper surface of the bottom portion 541, and the protruding portion 561 is fixedly connected to the inner wall of the bottom portion 541 and located above the elastic membrane 56.

The lower surface and the communicating part 542 through connection of casing 52, the interior bottom surface fixedly connected with pointer device 1 of bottom 541, pointer device 1 include axis body 3 and pointer 2, and the position that pointer 2 mainly shows indicates, and the surface of axis body 3 is provided with revolution mechanic 58, and the surface of axis body 3 is provided with pointer 2.

The upper surface of casing 52 is provided with table body 51, table body 51 is located the top of pointer 2, the inside of casing 52 is provided with inner space 53, pedestal 54 is located in inner space 53, the lower surface of casing 52 and the both sides that are located communicating part 542 all are provided with fastener 55, mainly are connected casing 52 with bottom 541, casing 52 is connected with bottom 541 through fastener 55, communicating part 542 is located the axis position of casing 52, the upper surface of bottom 541 and the below that is located elastic diaphragm 56 are provided with pressure space 57.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A pointer device comprising a housing (52), characterized in that: a base body (54) is arranged on the inner bottom surface of the shell (52), the base body (54) comprises a bottom (541) and a communicating part (542), the inner bottom surface of the shell (52) is fixedly connected with the bottom (541), an elastic membrane (56) is fixedly connected with the upper surface of the bottom (541), and a protruding part (561) is fixedly connected to the inner wall of the bottom (541) and positioned above the elastic membrane (56);

the lower surface and the intercommunication portion (542) through connection of casing (52), the interior bottom surface fixedly connected with pointer device (1) of bottom (541), pointer device (1) includes axis body (3) and pointer (2), the surface of axis body (3) is provided with revolution mechanic (58), the surface of axis body (3) is provided with pointer (2).

2. A pointer device as claimed in claim 1, characterized in that: the upper surface of casing (52) is provided with table body (51), table body (51) are located the top of pointer (2).

3. A pointer device as claimed in claim 1, characterized in that: an inner space (53) is arranged inside the shell (52), and the seat body (54) is positioned in the inner space (53).

4. A pointer device as claimed in claim 1, characterized in that: the lower surface of the shell (52) is provided with fasteners (55) on two sides of the communicating portion (542), and the shell (52) is connected with the bottom portion (541) through the fasteners (55).

5. A pointer device as claimed in claim 1, characterized in that: the communication portion (542) is located at a central axis position of the housing (52).

6. A pointer device as claimed in claim 1, characterized in that: a pressure space (57) is arranged on the upper surface of the bottom (541) and below the elastic diaphragm (56).