CN214471470U

CN214471470U - High-reliability memory pointer pressure gauge

Info

Publication number: CN214471470U
Application number: CN202120400007.8U
Authority: CN
Inventors: 陈小平; 陈民标; 邬杭琼
Original assignee: Ningbo Xuri Temperature And Pressure Instrument Co ltd
Current assignee: Ningbo Xuri Temperature And Pressure Instrument Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-10-22
Anticipated expiration: 2031-02-23

Abstract

The utility model discloses a highly reliable memory pointer manometer, including watchcase and table lid, watchcase and table lid constitute the cavity, the table lid seted up the mounting hole, mounting hole department be provided with joint Assembly, the medial surface and/or the lateral surface leakproofness of joint Assembly and table lid be connected, the memory pointer install at joint Assembly, the memory pointer rotatable. The assembly problem of the memory pointer is optimized, and the leakage problem of the pressure gauge is solved.

Description

High-reliability memory pointer pressure gauge

Technical Field

The utility model belongs to the technical field of the manometer and specifically relates to a highly reliable memory pointer manometer.

Background

At present, the known pressure gauge structure is composed of a pressure guide system (including a joint, a Bourdon tube, a flow limiting screw and the like), a gear transmission mechanism, a vision device and a shell. The pressure is displayed by the rotation of the pointer through the elastic deformation of the sensing element Bourdon tube in the watch and the transmission mechanism of the movement in the watch to transmit the pressure deformation to the pointer. Now a memory pointer is arranged in the pressure gauge for recording the reading of the indicating pointer, thereby facilitating the reading of a user.

Chinese utility model patent "manometer with memory function", application (patent) No.: CN201720821061.3, which discloses a pressure gauge with memory function, comprising a watchcase, wherein a plastic sheet is arranged on the upper cover of the watchcase, a measuring mechanism and an indicating pointer connected with the output end of the measuring mechanism are arranged in the watchcase, a memory pointer is connected to the plastic sheet, the memory pointer has a touch part capable of touching the indicating pointer, a fixed block is arranged in the center of the plastic sheet, a rotatable iron central shaft is arranged in the center of the fixed block in a penetrating manner, a magnet is arranged in the central shaft, and an adjusting cap located outside the plastic sheet is arranged at the tail end of the central shaft; the memory pointer is an iron memory pointer which is rotatably connected to the central shaft.

However, for the shock-proof watch, oil needs to be filled in the watch, and the oil is easy to leak out from the memory pointer. Or a corresponding sealing structure is arranged at the memory pointer, but the memory pointer is still driven, so that the pointer of the pressure gauge is blocked.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a highly reliable memory pointer manometer is provided, optimizes the assembly problem of memory pointer, has solved the leakage problem of manometer.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the high-reliability memory pointer pressure gauge comprises a pressure gauge shell and a pressure gauge cover, wherein the pressure gauge cover is provided with a mounting hole, a joint component is arranged at the mounting hole and is in sealing connection with the inner side face and/or the outer side face of the pressure gauge cover, a memory pointer is arranged on the joint component, and the memory pointer can rotate.

Compared with the prior art, the utility model has the advantages of the utility model discloses set up joint Assembly in table lid department to the medial surface and/or the lateral surface leakproofness that set up joint Assembly and table lid are connected. The sealing of the pressure gauge at the mounting hole of the gauge cover is realized, the leakage of oil in the gauge shell from the mounting hole is avoided, and the permeation of external gas or liquid into the pressure gauge is also avoided. Then a memory pointer is arranged on the joint component, and the memory pointer can rotate to record the measured value of the pressure gauge.

The utility model discloses further preferred scheme: the joint assembly is connected with the inner side face and the outer side face of the meter cover in a sealing mode. The inner layer and the outer layer are sealed between the joint component and the meter cover, so that the joint component has good sealing effect at the mounting hole of the meter cover,

the utility model further discloses a specific structure of joint Assembly: the joint assembly comprises a connector and a locking nut, the locking nut is in threaded connection with the connector, the locking nut can be pressed on the outer side surface of the meter cover through rotating the locking nut, the connector is pressed on the inner side surface of the meter cover, and the joint assembly is connected with the meter cover in a sealing mode.

Through the structure that sets up connector and lock nut, realized two-layer sealed inside and outside table lid department, further guaranteed the sealing performance of table lid mounting hole department.

Furthermore, the connector comprises a head part and a tail part, the head part is connected with the meter cover in a sealing mode, and the tail part extends out of the meter cover to be connected with the locking nut.

The utility model discloses a concrete structure of connector, the cross section of connector for T shape.

Specifically, the head of connector is provided with the sealing washer, and the head passes through sealing washer and table lid medial surface sealing connection. The locking nut is provided with a sealing ring and is connected with the outer side surface of the meter cover in a sealing mode.

Further, the utility model discloses be provided with on connector, lock nut's surface and sunken, the sealing washer is installed in sunken. The sealing ring is installed by arranging the recess, so that the sealing ring is fixed and does not shift under stress. Be different from and directly set up the sealing washer structure, the utility model discloses a connection stability between connector, lock nut and the watchcase is higher, sealed effect is better.

Furthermore, the connector in be provided with the through-hole, the through-hole in install the axle piece, the axle piece rotatable.

Further, a sealing element is arranged outside the shaft element. The meter shell and the meter cover form a cavity, the shaft part and the joint component are sealed by arranging the sealing part, and oil in the cavity is prevented from leaking out from the shaft part.

Furthermore, the outer circumferential surface of the shaft member is provided with a recess, and the inner ring of the sealing member is embedded in the recess of the shaft member. The utility model discloses a set up sunken fixed sealing member in the shaft piece periphery for the sealing member can not play outside the shaft piece, improves the sealed effect between shaft piece and the joint Assembly.

Further, the utility model discloses a through-hole is the shoulder hole, the through-hole include first hole section and second hole section, the bore of first hole section is greater than the bore of second hole section.

The sealing element is positioned in the first hole section of the through hole, and the diameter of the sealing element is larger than the caliber of the first hole section. I.e. the seal is arranged at the end of the second bore section, the gap between the second bore section and the shaft element is well sealed. And the through hole is a stepped hole, and the shaft part with the sealing element can be simply inserted from the opening of the first hole section, so that the shaft part and the sealing element are conveniently installed in the through hole.

Furthermore, the outer end cover of axle be equipped with the regulation cap, the regulation cap is rotatory to drive the axle piece rotatory.

After the pressure gauge finishes measuring, the indicating pointer can return automatically, and the memory pointer can stay at the original position, so that the pressure value can be read conveniently after the measurement is finished. When the memory pointer returns to the original position, the adjusting cap needs to be rotated, so that the shaft piece and the memory pointer are driven to rotate to the original position.

Further, the memory pointer is arranged on the shaft piece.

The memory pointer may rotate on the shaft without rotation of the shaft. Namely, the memory pointer is rotatably connected on the shaft element, and the rotation of the memory pointer is not influenced by the sealing element sleeved on the shaft element.

Further, the utility model discloses a set up the joint Assembly and install the shaft, and offer the through-hole on the connector afterwards, install the shaft at the through-hole for the shaft is along the axial setting of manometer. The problem of the axle piece slope appears after the installation, leads to installing the memory pointer on the axle piece to block, can not be smooth and easy drive the rotation by the instruction pointer.

Furthermore, the shaft part is provided with a groove, and a magnet is arranged in the groove.

Further, the memory pointer is rotatably connected to the end of the shaft member through a rivet shaft.

Further, the utility model discloses set up the riveting axle and be iron, magnet has appeal to the riveting axle, and the appeal direction is the axial of axle piece for the riveting axle is pressed on the memory pointer. Through reasonable setting of friction between the rivet shaft and the memory pointer, the mounted memory pointer keeps static under the condition of no additional stress; when the force of the indicating pointer is applied, the memory pointer rotates along with the indicating pointer.

Furthermore, the utility model discloses set up the memory pointer and be iron, magnet in the axle has appeal to the memory pointer for the memory pointer leans on the axle and keeps static. During measurement, the indicating pointer rotates to apply force to the memory pointer, and the memory pointer rotates along with the indicating pointer. After the measurement is finished, the indicating pointer rotates, and the memory pointer is not subjected to the force of the indicating pointer, so that the memory pointer can be kept stable under the attraction of the magnet after the measurement is finished. Thereby facilitating the reading of the user and improving the reading precision.

Further, the utility model discloses an indicate pointer does not install the axle on, but set up in the pivot that is located same straight line with the axle. The rotating shaft is driven by a bourdon tube in the pressure gauge to rotate, and the rotating shaft drives the indicating pointer to rotate.

Furthermore, a touch piece is arranged on the memory pointer, and the memory pointer is driven to rotate by the rotation of the indication pointer through the touch piece. When the indicating pointer rotates to point to the dial reading, the indicating pointer is contacted with the touch piece. When the indicating pointer rotates, the indicating pointer does not contact with the touch piece.

The utility model discloses a memory pointer sets up with the instruction pointer relatively to through the setting of magnet, make the memory pointer keep static under the condition of not atress, have the memory function.

When pressure is measured, the memory pointer is driven to rotate by the indication pointer, after the measurement is finished, the indication pointer returns, and the memory pointer still stays at the original position, so that the pressure value can be conveniently read after the measurement is finished.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a cross-sectional view of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

Wherein the reference numerals are specified as follows: 1. a watch case; 2. a watch cover; 3. a shaft member; 4. a joint assembly; 5. a connector; 5a, a head; 5b, tail; 6. locking the nut; 7. memorizing a pointer; 8. a seal member; 9. an adjusting cap; 10. a magnet; 11. indicating a pointer; 12. a touch sheet; 13. and (5) riveting the shaft.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 and 2: a high-reliability memory pointer 7 pressure gauge comprises a pressure gauge shell 1 and a pressure gauge cover 2, wherein the pressure gauge cover 2 is provided with a mounting hole, a joint component 4 is arranged at the mounting hole, the joint component 4 is connected with the inner side surface and/or the outer side surface of the pressure gauge cover 2 in a sealing mode, the sealing of the pressure gauge at the mounting hole of the pressure gauge cover 2 is achieved, oil in the pressure gauge shell 1 is prevented from leaking from the mounting hole, and external gas or liquid is prevented from permeating into the pressure gauge. The memory pointer 7 is arranged on the joint component 4, the memory pointer 7 can rotate, and the memory pointer 7 can rotate to record the measured value of the pressure gauge.

The utility model discloses further preferred scheme: as shown in fig. 3 and 4, the joint unit 4 is sealingly connected to the inner and outer surfaces of the case lid 2. The inner layer and the outer layer are sealed between the joint component 4 and the meter cover 2, so that the sealing effect of the joint component 4 at the mounting hole of the meter cover 2 is good,

the joint component 4 include connector 5 and lock nut 6, connector 5 be connected with 2 medial surface leakproofness of table lid, lock nut 6 be connected with 2 lateral surface leakproofness of table lid. Locking nut 6 and connector 5 threaded connection, through rotatory locking nut 6, can be so that locking nut 6 presses firmly at 2 lateral surfaces of table lid, and connector 5 presses firmly at the medial surface of table lid 2, realizes that joint Assembly 4 is connected with table lid 2 leakproofness. Through the structure that sets up connector 5 and lock nut 6, realized two-layer sealed inside and outside table lid 2 department, further guaranteed the sealing performance of table lid 2 mounting hole department.

The connector 5 comprises a head part 5a and a tail part 5b, the head part 5a is hermetically connected with the meter cover 2, and the tail part 5b extends out of the meter cover 2 and is connected with a locking nut 6. The utility model discloses a concrete structure of connector 5 is further disclosed, the cross section of connector 5 for T shape. The head part 5a of the connector 5 is provided with a sealing ring, and the head part 5a is connected with the inner side surface of the meter cover 2 in a sealing way through the sealing ring. The locking nut 6 is provided with a sealing ring, and the locking nut 6 is connected with the outer side surface of the meter cover 2 in a sealing mode.

The utility model discloses be provided with on connector 5, lock nut 6's surface sunken, the sealing washer is installed in sunken. The sealing ring is installed by arranging the recess, so that the sealing ring is fixed and does not shift under stress. Be different from and directly set up the sealing washer structure, the utility model discloses a connection stability between connector 5, lock nut 6 and the watchcase 1 is higher, sealed effect is better.

The connector 5 in be provided with the through-hole, the through-hole in install axle piece 3, axle piece 3 rotatable.

The shaft member 3 is externally provided with a sealing member 8. The meter shell 1 and the meter cover 2 form a cavity, the shaft part 3 and the joint component 4 are sealed by arranging the sealing part 8, and oil in the cavity is prevented from leaking out from the shaft part 3. The outer peripheral surface of the shaft member 3 is provided with a recess, and the inner ring of the seal member 8 is fitted into the recess of the shaft member 3. The utility model discloses a set up in 3 peripheries of axle piece and cave in and fix sealing member 8 for sealing member 8 can not be at 3 outer drunkenness of axle piece, improves the sealed effect between axle piece 3 and the joint Assembly 4.

The utility model discloses a through-hole is the shoulder hole, the through-hole include first hole section and second hole section, the bore of first hole section is greater than the bore of second hole section. The sealing element 8 is positioned in the first hole section of the through hole, and the diameter of the sealing element 8 is larger than the caliber of the first hole section. I.e. the seal 8 is arranged at the end of the second bore section, the gap between the second bore section and the shaft element 3 is well sealed. And set up the through-hole and be the shoulder hole, the axle piece 3 that has sealing member 8 can be simple inserts from the opening part of first hole section, makes things convenient for axle piece 3 and sealing member 8 to install in the through-hole.

The outer end cover of shaft member 3 be equipped with and adjust cap 9, adjust cap 9 rotation drive shaft member 3 rotatory. After the pressure gauge finishes measuring, the indicating pointer 11 will return automatically, and the memory pointer 7 will stay in the original position, in order to read the pressure value conveniently after the measurement is finished. When the memory pointer 7 returns, the adjusting cap 9 needs to be rotated, so as to drive the shaft member 3 and the memory pointer 7 to rotate back.

The memory pointer 7 is mounted on the shaft member 3. The memory pointer 7 can be rotated on the shaft element 3 without the shaft element 3 rotating. That is, the memory pointer 7 is rotatably connected to the shaft member 3, and the sealing member 8 sleeved on the shaft member 3 does not affect the rotation of the memory pointer 7.

The utility model discloses a set up joint Assembly 4 and install shaft 3, then set up the through-hole on connector 5, install shaft 3 at the through-hole for shaft 3 is along the axial setting of manometer. The problem that the shaft 3 is inclined after being installed is avoided, so that the memory pointer 7 installed on the shaft 3 is clamped and cannot be smoothly driven to rotate by the indicating pointer 11.

The shaft member 3 is provided with a groove, and a magnet 10 is arranged in the groove. The memory pointer 7 is rotatably connected to the end of the shaft member 3 through a rivet shaft 13.

Regarding the effect of magnet 10, an embodiment of the present invention is to set rivet shaft 13 to be iron, magnet 10 has an attraction force to rivet shaft 13, and the direction of the attraction force is the axial direction of shaft 3, so that rivet shaft 13 is pressed on memory pointer 7. Through reasonable arrangement of friction between the riveting shaft 13 and the memory pointer 7, the mounted memory pointer 7 keeps static under the condition of no additional stress; when the force of the indicating pointer 11 is applied, the memory pointer 7 rotates along with the indicating pointer 11.

The second embodiment of the present invention is to set the memory pointer 7 to be iron, and the magnet 10 in the shaft member 3 has an attraction force to the memory pointer 7, so that the memory pointer 7 leans against the shaft member 3 and remains still. During measurement, the indicating pointer 11 rotates to apply force to the memory pointer 7, and the memory pointer 7 rotates along with the indicating pointer 11. After the measurement is completed, the indicating pointer 11 is rotated, and the memory pointer 7 does not receive the force of the indicating pointer 11, so that the memory pointer 7 is kept stable under the attraction force of the magnet 10 after the measurement is completed. Thereby facilitating the reading of the user and improving the reading precision.

The utility model discloses an indicate pointer 11 not install shaft member 3 on, but set up in the pivot that is located same straight line with shaft member 3. The rotating shaft is driven to rotate by a bourdon tube in the pressure gauge, and the rotating shaft drives the indicating pointer 11 to rotate. The memory pointer 7 is provided with a touch sheet 12, and the indication pointer 11 rotates to drive the memory pointer 7 to rotate through the touch sheet 12. When the indicating pointer 11 rotates to point to the dial reading, the indicating pointer 11 contacts the touch sheet 12. When the indicating pointer 11 is turned back, the indicating pointer 11 is not in contact with the touch pad 12.

The utility model discloses a memory pointer 7 sets up with instruction pointer 11 relatively to through the setting of magnet 10, make memory pointer 7 keep static under the condition of not atress, have the memory function. When pressure is measured, the memory pointer 7 is driven to rotate by the indicating pointer 11, after the measurement is finished, the indicating pointer 11 returns, and the memory pointer 7 still stays at the original position, so that the pressure value can be conveniently read after the measurement is finished.

The above is to the utility model discloses going on the detailed introduction, having used specific individual example to right in this paper the utility model discloses a principle and implementation mode have been elucidated, and the explanation of above embodiment only is used for helping understanding the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. High reliable memory pointer manometer, including watchcase and table lid (2), its characterized in that table lid (2) seted up the mounting hole, mounting hole department be provided with joint Assembly (4), joint Assembly (4) and the medial surface and/or the lateral surface sealing connection of table lid (2), memory pointer (7) install in joint Assembly (4), memory pointer (7) rotatable.

2. The pressure gauge with high reliability and memory pointers as claimed in claim 1, wherein the connector assembly (4) comprises a connector (5) and a lock nut (6), the connector (5) is connected with the inner side surface of the gauge cover (2) in a sealing manner, and the lock nut (6) is connected with the outer side surface of the gauge cover (2) in a sealing manner.

3. The pressure gauge with high reliability and memory indicator according to claim 2, wherein the connector (5) comprises a head portion (5a) and a tail portion (5b), the head portion (5a) is connected with the gauge cover (2) in a sealing manner, and the tail portion (5b) extends out of the gauge cover (2) and is connected with the locking nut (6).

4. The pressure gauge with high reliability and memory indicator according to claim 2, wherein the connector (5) is provided with a through hole, the through hole is provided with a shaft (3), and the shaft (3) can rotate.

5. The pressure gauge with high reliability memory indicator according to claim 4, wherein the shaft member (3) is externally provided with a sealing member (8).

6. The pressure gauge with high reliability memory indicator according to claim 4 or 5, characterized in that the outer end of the shaft member (3) is sleeved with an adjusting cap (9), and the adjusting cap (9) rotates to drive the shaft member (3) to rotate.

7. A highly reliable memory pointer pressure gauge according to claim 4 or 5, characterized in that said memory pointer (7) is mounted on the shaft member (3).

8. The pressure gauge with high reliability memory indicator of claim 7, wherein the shaft member (3) is provided with a groove, and the groove is internally provided with a magnet (10).

9. The pressure gauge with high reliability memory indicator according to claim 1, wherein the memory indicator (7) is provided with a touch plate (12), and the rotating indicator drives the memory indicator (7) to rotate through the touch plate (12).